MGA-TIP

Index ID	Brand	Model	Chassis	Keyword	Symptom	Cure
MGA 1	MGA	VS-4561	VZ1B	Audio	BUZZ IN AUDIO,CHANGES WITH BRIGHTNESS	1. BUZZ IN THE AUDIO,THAT CHANGES WITH BRIGHTNESS CHANGE.CHECK THE VALUE OF R6G6 (6.8 OHM 1W) LOCATED ON THE RED CRT-PCB
MGA 2	MGA	WS65903	V15	Audio	DISTORTED AUDIO RIGHT AND/OR LEFT	1. FOR DISTORTED RIGHT CHANNEL AUDIO CHECK R3018 AND FOR LEFT CHECK R3019, BOTH ARE 2.2 OHM 2 W, ON THE AUDIO/GUIDE PCB.
MGA 3	MGA	VS-4561	VZ1B	Audio	BUZZ IN AUDIO,CHANGES WITH BRIGHTNESS	1. BUZZ IN THE AUDIO,THAT CHANGES WITH BRIGHTNESS CHANGE.CHECK THE VALUE OF R6G6 (6.8 OHM 1W) LOCATED ON THE RED CRT-PCB
MGA 4	MGA	VS50800	VZ6	Audio	DISTORTED AUDIO RIGHT AND/OR LEFT	. FOR DISTORTED RIGHT CHANNEL AUDIO CHECK R3018 AND FOR LEFT CHECK R3019, BOTH ARE 2.2 OHM 2 W, ON THE AUDIO/GUIDE PCB
MGA 5	MGA	CS35601	YA1	Audio	POP AT PWR ON/OFF	1. APPLY FOLLOWING CIRCUIT CHANGES ON PCB-A/V FOIL SIDE: A) ADD C3073 (100UF 16V) (-) TO J-56 AND (+) TO BASE OF Q3009. B) ADD C3074 (100UF 16V) (-) TO J-56 AND (+) TO BASE OF Q3008. C) ADD 2.7K 1/4W RESISTORS IN PARALLEL WITH R3053, R3054 AND R3087. D) C
MGA 6	MGA	CK35804	YA2B	Audio	NO AUDIO	1. MAY BE INTERMITTENT, CHECK C3X09 BETWEEN PIN 9 AND 10 OF IC3X01 AND C3R09 OFF BETWEEN PIN 9 AND 10 OF IC3R01, BOTH ARE 470 UFD 50 V
MGA 7	MGA	CS35601	YA1	Audio	POP AT PWR ON/OFF	1. APPLY FOLLOWING CIRCUIT CHANGES ON PCB-A/V FOIL SIDE: A) ADD C3073 (100UF 16V) (-) TO J-56 AND (+) TO BASE OF Q3009. B) ADD C3074 (100UF 16V) (-) TO J-56 AND (+) TO BASE OF Q3008. C) ADD 2.7K 1/4W RESISTORS IN PARALLEL WITH R3053, R3054 AND R3087. D) C
MGA 8	MGA	CK35804	YA2B	Audio	NO AUDIO	1. MAY BE INTERMITTENT, CHECK C3X09 BETWEEN PIN 9 AND 10 OF IC3X01 AND C3R09 OFF BETWEEN PIN 9 AND 10 OF IC3R01, BOTH ARE 470 UFD 50 V
MGA 9	MGA	CS20301	XM1	Audio	INT POP AT CHANNEL CHANGE	1. POP OCCURS THROUGH INTERNAL SPEAKERS ONLY. CHANGE R3F0 (470 OHM 1/4W) TO 820 OHM 1/4W. LOCATED ON PCB-MAIN AT IC3A2 PIN 3.
MGA 10	MGA	CS27MX1	XM	Audio	INT.DISTORTED LEFT AUDIO	1. CHECK FOR CONTINUITY OF THE GROUNDING POINTS ON THE HEAT SINK OF IC3A2 LOCATED ON THE MAIN-PCB.
MGA 11	MGA	CS20RX1	XL	Audio	LOW AUDIO	1. AUDIO OUPUT LEVEL IMPROVEMENT: CHANGE THE VALUE OF THE FOLLOWING COMPONENTS AS INDICATED: ORIGINAL VALUE NEW VALUE R724 3.9K 1K R773 15K 6.8K R787 12K 22K R304 6.8K 5.6K ADD A 120K RESISTOR ON THE FOIL SIDE OF PCB FROM THE POSITIVE SIDE OF C708 TO R787
MGA 12	MGA	VS4543	VZ3	Chroma	NO COLOR-PARENTAL LOCK	1. NO COLOR WHEN PARENTAL LOCK IS TURNED ON OR OFF. REPLACE R7005 WITH A 68KOHM 1/4W RESISTOR.
MGA 13	MGA	VS4543	VZ3	Chroma	NO COLOR-PARENTAL LOCK	1. NO COLOR WHEN PARENTAL LOCK IS TURNED ON OR OFF. REPLACE R7005 WITH A 68KOHM 1/4W RESISTOR.
MGA 14	MGA	VS45501	VZ4	Chroma	INTERMITTANT COLOR OR COLOR SYNC	1. CHANGE THE VALUE OF C230 FROM 22 PF TO 15 PF. LOCATED IN THE COLOR OSC CIRCUIT OFF PIN 1 OF IC200 ON THE SIGNAL PCB
MGA 15	MGA	VS45605	VZ7	Chroma	NO COLOR	1. CHECK FOR OPEN L2C60 PART # 325C146030 ON THE SIGNAL PCB
MGA 16	MGA	VS45607	VZ8	Chroma	NO COLOR	1. CHECK FOR OPEN L2C60 PART # 325C146030 ON THE SIGNAL PCB
MGA 17	MGA	CS20301	XM1	Chroma	COLOR FADES + TINT CHANGE	1. COLOR FADES AND TINT SHIFTS AFTER 20 MINS.CHECK D5X1 AT PIN3 OF IC6E2 ON THE MAIN-PCB. PT#264P045040
MGA 18	MGA	CS27MX1	XM	Chroma	COLOR FADES + TINT CHANGE	1. COLOR FADES AND TINT SHIFTS AFTER 20 MINS.CHECK D5X1 AT PIN3 OF IC6E2 ON THE MAIN-PCB. PT#264P045040
MGA 19	MGA	CS27MX1	XM	Chroma	WEAK/UNSTABLE CHROMA	1. PULL PIP PCB FROM SET, JUMP OUT 'VP' CONNECTOR WITH .1UF CAP FROM PIN 7 TO PIN 9 AND .1UF CAP FROM PIN 11 TO PIN 5.IF MAIN PIX RETURNS TO NORMAL, CHECK ALL ELECTROLYTIC CAPS AND TRACES CONNECTING TO THESE CAPS FOR CONTINUITY
MGA 20	MGA	CS27MX1	XM	Chroma	NO COLOR	1. CHECK Q700 PART # 260P632010 OFF OF PIN 30 OF IC201 ON THE MAIN PCB.
MGA 21	MGA	CS20RX1	XL	Chroma	NO COLOR	1. CHECK THE VALUE OF C713 (4.7UF 50V) LOCATED ON PIN 11 OF IC701,ON THE MAIN-PCB.
MGA 22	MGA	VS40VA2	VZ1	Control Display	incorrect1. UNIT EXHIBITS SEVERAL DISTINCT SYMPTOMS: A) DURING 'MUTE' OSD INDICATES 'MUTING'. B) NO FUNCTION/DISPLAY FOR 'EXTRA BASS'. C) CANNOT ACCESS 'EXTRA BASS' FEATURE. aud displays	IF ANY OR ALL OF THESE SYMPTOMS APPEAR AFTER REPLACEMENT OF PCB-FS CONFIRM IC701 SUFFIX IS -561SP. IF SUFFIX IS -566SP, REPLACE WITH CORRECT PART NUMBER 274P200010.
MGA 23	MGA	VS40VA2	VZ1	Control Display	no osd	1. CHECK FOR 5VPP VERTICAL PULSE AT COLLECTOR OF Q2P1. IF LOW/MISSING, SUSPECT LEAKY/SHORTED CAPACITOR C2S4 (330PF 50V). LOCATED ON PCB-SIGNAL ADJOINING COLLECTOR OF Q2P1.
MGA 24	MGA	VS40VA2	VZ1	Control Display	no osd function control	1. OTHER SYMPTOMS MAY INCLUDE ROLLING/PULSATING THROUGH PIX, NO PIP WINDOW DISPLAY, RANDOM DISTORTION IN PIX. SUSPECT DEFECTIVE IC701. LOCATED ON PCB-UCOM. PT# 274P200010 1. SUSPECT DEFECTIVE D/A CONVERTER IC703. LOCATED ON PCB-UCOM. PT# 272P758010
MGA 25	MGA	VS40VA2	VZ1	Control Display	no remote operations	1. CHECK R758 (100 OHM 1/4W) FOR RAISED VALUE/OPEN. LOCATED ON PCB-FS AT IC701 PIN 5.
MGA 26	MGA	WS65903	V15	control display	SHADOW TO THE RIGHT OF OSD	1. REPLACE R771 WITH A 560 OHM 1/4, OFF Q712 EMITTER ON THE SIGNAL PCB
MGA 27	MGA	WS65903	V15	control display	IMPROPER GUIDE PLUS OPERATION	1. CIRCUIT CHANGE FOR IMPROPER GUIDE PLUS OPERATION, REMOVE R241 FROM THE SIGNAL PCB AND ADD A 100 OHM 1/4 W RESISTER FROM CONNECTOR "GC" PIN 6 TO THE "SUB VIDEO OUT" PIN OF TUNER TU102.
MGA 28	MGA	WS65903	V15	control display	BLUE SHADOW ON THE RIGHT OF OSD & CCD	1. REPLACE R771 WITH A 560 OHM 1/4, OFF Q712 EMITTER ON THE SIGNAL PCB.
MGA 29	MGA	VS50805	V16	control display	INCORRECT A/V SWITCHING OF M-VR700 & M-VR900	1. IC701 MAY BE INCORRECTLY PROGRAMMED AND WILL NOT ACT CORRECTLY. WHEN THE TV SELECTS INPUT 3 DVD, THE TV SENDS AN INCORRECT SIGNAL AND TELLS THE AV RECEIVER TO SWITCH TO THE CABLE/DBS INPUT INSTEAD OF DVD INPUT. REPLACE IC701 PART # 275P452030. ON THE SIGNAL PCB
MGA 30	MGA	VS40VA2	VZ1	Control Display	incorrect1. UNIT EXHIBITS SEVERAL DISTINCT SYMPTOMS: A) DURING 'MUTE' OSD INDICATES 'MUTING'. B) NO FUNCTION/DISPLAY FOR 'EXTRA BASS'. C) CANNOT ACCESS 'EXTRA BASS' FEATURE. aud displays	IF ANY OR ALL OF THESE SYMPTOMS APPEAR AFTER REPLACEMENT OF PCB-FS CONFIRM IC701 SUFFIX IS -561SP. IF SUFFIX IS -566SP, REPLACE WITH CORRECT PART NUMBER 274P200010.
MGA 31	MGA	VS40VA2	VZ1	Control Display	no osd	1. CHECK FOR 5VPP VERTICAL PULSE AT COLLECTOR OF Q2P1. IF LOW/MISSING, SUSPECT LEAKY/SHORTED CAPACITOR C2S4 (330PF 50V). LOCATED ON PCB-SIGNAL ADJOINING COLLECTOR OF Q2P1.
MGA 32	MGA	VS40VA2	VZ1	Control Display	no osd function control	1. OTHER SYMPTOMS MAY INCLUDE ROLLING/PULSATING THROUGH PIX, NO PIP WINDOW DISPLAY, RANDOM DISTORTION IN PIX. SUSPECT DEFECTIVE IC701. LOCATED ON PCB-UCOM. PT# 274P200010 1. SUSPECT DEFECTIVE D/A CONVERTER IC703. LOCATED ON PCB-UCOM. PT# 272P758010
MGA 33	MGA	VS40VA2	VZ1	Control Display	no remote operations	1. CHECK R758 (100 OHM 1/4W) FOR RAISED VALUE/OPEN. LOCATED ON PCB-FS AT IC701 PIN 5.
MGA 34	MGA	VS45501	VZ4	Control Display	NO OSD	1. CHECK D216 PART # 264P483070 AND D217 PART # 264P502020 ON THE SIGNAL PCB.
MGA 35	MGA	VS45603	VZ5	Control Display	LOSES CUSTOMER SETTINGS WHEN UNPLUGGED	1. MAY ALSO GO TO HOME THEATER WHEN UNPLUGGED. E2 RESET IS NEEDED. ACCESS THE OPTION MENU BY PRESSING "MENU 1, 3, 7, 0", USE THE ADJUST BUTTON TO SELECT "E2 RESET" AND PRESS "QV". THIS IS ALSO NECESSARY AFTER REPLACEMENT OF THE EEPROM, IC701.
MGA 36	MGA	VS50800	VZ6	Control Display	SHADOW TO THE RIGHT OF OSD	1. REPLACE R771 WITH A 560 OHM 1/4, OFF Q712 EMITTER ON THE SIGNAL PCB.
MGA 37	MGA	VS50800	VZ6	Control Display	IMPROPER GUIDE PLUS OPERATION	1. CIRCUIT CHANGE FOR IMPROPER GUIDE PLUS OPERATION, REMOVE R241 FROM THE SIGNAL PCB AND ADD A 100 OHM 1/4 W RESISTER FROM CONNECTOR "GC" PIN 6 TO THE "SUB VIDEO OUT" PIN OF TUNER TU102.
MGA 38	MGA	VS-4571	V13	control display	cust conv moves incorrect	1. CUSTOMER CONVERGENCE CONTROL MOVES IN THE OPPOSITE DIRECTION,MAY OCCUR AFTER INITIALIZING SET.CHECK 'OPTION MENU' PER SERVICE MANUAL,FOR 'FINAL SETTINGS'.THIS SHOULD BE SET TO FIG 2.THIS MUST BE DONE AFTER INITIALIZING SET NOT,BEFORE AS STATED IN THE SERVICE MANUAL.
MGA 39	MGA	VS-4571	V13	control display	no green is display	1. CHECK Q6A5 TO BE SHORTED OR LEAKY,PT#260P571010 AND IS LOCATED ON THE GREEN CRT-PCB.
MGA 40	MGA	VS-4571	V13	control display	processor lockup	1. ON FS-PCB FOIL SIDE REMOVE R746 (R-CHIP 100 OHM) AND ON COMPONENT SIDE OF PCB ADD JUMPER WIRE TO LOCATION J2.
MGA 41	MGA	VS-5073	V13B	control display	cust conv moves incorrectly	1. CUSTOMER CONVERGENCE CONTROL MOVES IN THE OPPOSITE DIRECTION,MAY OCCUR AFTER INITIALIZING SET.CHECK 'OPTION MENU' PER SERVICE MANUAL,FOR 'FINAL SETTINGS'.THIS SHOULD BE SET TO FIG 2.THIS MUST BE DONE AFTER INITIALIZING SET NOT,BEFORE AS STATED IN THE SERVICE MANUAL.
MGA 42	MGA	VS-5073	V13B	control display	no green in display	1. CHECK Q6A5 TO BE SHORTED OR LEAKY,PT#260P571010 AND IS LOCATED ON THE GREEN CRT-PCB.
MGA 43	MGA	TS-5087	V14	control display	accessing home theatre	1. TO ACCESS THE HOME THEATER OPTION.GO INTO THE SERVICE OPTION MENU USING 'MENU' THEN '2358',AND CHANGE THE ANTENNA NO. TO ZERO.EXIT THE MENU AND UNIT WILL BE IN HOME THEATER.
MGA 44	MGA	Ts-5087	V14	control display	can't access service menu	1. SERVICE MENU IS NOT ACCESSABLE.THIS IS DUE TO THE ACTIVATION OF THE ADVANCED ICON MENU IN THE CUSTOMER MENU.THIS CAN BE DEACTIVATED BY PRESS THE 'MENU' BUTTON ON THE REMOTE AND HIGHLIGHTING THE TOP ICON IN THE MENU AND PRESS 'ENTER'.THIS WILL THEN GIVE YOU THE OPTION OF EITHER A STANDARD MENU OR ADVANCED MENU,SELECT STANDARD
MGA 45	MGA	TS-5087	V14	control display	INCORRECT A/V & S.S FUNC	1. INCORRECT ACTIVE A/V AND STARSIGHT FUNCTIONS.CHECK Q718 TO BE EITHER A (DTA124-EK OR UN2112),LOCATED ON THE FS-PCB.IF INCORRECT REPLACE IT WITH PT#260P806010.
MGA 46	MGA	CK35804	YA2B	Control Display	JITTER ON STARSIGHT MENU	1. PRESS THE MENU BUTTON FOLLOWED BY 2-3-5-6. USE THE LFT AND RT ADJ BUTTONS TO CHANGE THE HORIZONTAL POSITION UNTIL THE JITTER DISAPPEARS.
MGA 47	MGA	CK35804	YA2B	Control Display	ANT-B TUNES ONLY ONE CH	1. THE CABLE BOX SETTING IN THE CUSTOMER MENU NEEDS TO BE SET TO NO CABLE BOX, INSTEAD OF A CHANNEL SETTING, IF THE STARSIGHT WAS SET UP WITH A CABLE BOX CONTROL CHANNEL SELECTED, YOU MAY NOT BE ABLE TO CHANGE SETTING WITHOUT FIRST DEAUTHORISING STARSIGHT
MGA 48	MGA	CS35503	YA0	Control Display	INTERMITTENT POWER UP	1. CHECK Q901 AND Q916 TO BE SHORTED OR LEAKY.IF ONE IS DEFECTIVE REPLACE BOTH TRANSISTORS.LOCATED ON THE DEFL.-PCB. PT#260P422010.
MGA 49	MGA	CS35503	YA0	Control Display	INT. NO VIDEO/NO OSD	1. INTERMITTENT NO VIDEO AND NO OSD MAY ALSO SHUTDOWN.CHECK FOR 5VPP OF DIGITAL INFORMATION ON PIN 6 OF IC702,IF LOW OR MISSING.CHECK FOR LEAKY D7Q1 ON PIN 19 OF IC2A01 ON THE A/V-PCB. PT#264P502030
MGA 50	MGA	CS20301	XM1	Control Display	LP MODE INOP W/EXT INPUTS	1. WILL RESUME OPERATION AFTER POWER LOSS ONLY WITH TUNER INPUT. REPLACE IC701 WITH NEW VERSION. PT# 274P157060 UPD17008CW-526
MGA 51	MGA	CS27MX1	XM	Control Display	NO POWER UP	1. SUSPECT LEAKY D702. LOCATED ON PCB-MAIN ADJOINING IC701 PIN 64. PT# 264P045040 1S2471
MGA 52	MGA	CS27MX1	XM	Control Display	SHUTS DOWN WTH. ACT. MENU	1. SHUTS DOWN WHEN MENU IS ACTIVATED.CHECK FOR OPEN D210,ON PIN 8 OF THE FLYBACK. LOCATED ON THE MAIN-PCB. PT#264P045040
MGA 53	MGA	CS27MX1	XM	Control Display	TINT ADJUSTMENT	1. WITH REMOTE CONTROL SELECT MODE THEN ENTER 007 TO ACCESS PIP ADJUSTMENT MENU. THEN USE ADJUST UP/DOWN TO CHANGE, WHEN DONE USE MODE TO RETURN TO NORMAL OPERATIONS.
MGA 54	MGA	CS27MX1	XM	Control Display	PIP TINT ADJUSTMENT	1. WITH REMOTE CONTROL SELECT MODE THEN ENTER 007 TO ACCESS PIP ADJUSTMENT MENU. THEN USE ADJUST UP/DOWN TO CHANGE, WHEN DONE USE MODE TO RETURN TO NORMAL OPERATIONS.
MGA 55	MGA	CS20RX1	XL	Control Display	MENU TOO HIGH CAN'T ADJ.	1. MENU SCREEN IS TOO LARGE:REPLACE C405 (1UF 25V) LOCATED AT PIN 6 OF IC401 ON THE MAIN-PCB.
MGA 56	MGA	CS20RX1	XL	Control Display	REDUCED BRIGHTNESS CONT.	1. REDUCED BRIGHTNESS CONTROL:CHECK FOR 2.2V ON PIN 35 OF IC101 IF IT IS LOW OR MISSING,CHANGE D204(3V 1/4W) ZENER ON THE MAIN-PCB.
MGA 57	MGA	CS20RX1	XL	Control Display	SHUTDOWN AT CH. CHANGE	1. CHECK THE VALUE OF C515 (10UF 100V) ON PIN 5 OF THE FBT.LOCATED ON THE MAIN-PCB.
MGA 58	MGA	VS-4561	VZ1B	Convergence	RED VERT. LINE ON RIGHT.	1. SNOWY PIX;RED VERT. LINE ON THE RIGHT,CHANGE C8H0 (3.3UF 25V NP), ON CONVERGENCE PCB.
MGA 59	MGA	VS-4541	VZ2	Convergence	BLUE BOW ON LEFT & RIGHT	1. CONVERGENCE WILL NOT ADJUST PROPERLY.CHECK FOR LEAKY OR SHORTED Q8F04 PART # 260P651010 AND Q8F06 PART # 260P652010. LOCATED ON THE SIGNAL-PCB. 2. CHECK D8F00 AND D8F01 FOR LEAKAGE IN THE 24/34 V SWITCH CIRCUITS ON THE SIGNAL PCB PART # 264P045040 3. C
MGA 60	MGA	VS-4541	VZ2	Convergence	BLUE CONV. JITTER	1. JITTER OCCURS MAINLY IN THE CORNERS.CHECK FOR SHORTED Q8F02,LOCATED ON THE SIGNAL-PCB. PT#260P560040
MGA 61	MGA	VS-4541	VZ2	Convergence	CONVERGENCE DISTORTION	1. CHECK FOR LEAKY OR SHORTED Q8F04 PART # 260P651010 AND Q8F06 PART # 260P652010. LOCATED ON THE SIGNAL-PCB. 2. CHECK D8F00 AND D8F01 FOR LEAKAGE IN THE 24/34 V SWITCH CIRCUITS ON THE SIGNAL PCB PART # 264P045040 3. CHECK FOR SHORTED OR LEAKY Q8F02 (PT#2
MGA 62	MGA	WS65903	V15	Convergence	CONVERGENCE DISTORTION	1. CHECK CONNECTOR "VD" FOR PROPER CONNECTION, BETWEEN THE CONVERGENCE PCB AND POWER PCB.
MGA 63	MGA	VS-4561	VZ1B	Convergence	RED VERT. LINE ON RIGHT.	1. SNOWY PIX;RED VERT. LINE ON THE RIGHT,CHANGE C8H0 (3.3UF 25V NP), ON CONVERGENCE PCB.
MGA 64	MGA	VS-4541	VZ2	Convergence	BLUE BOW ON LEFT & RIGHT	1. CONVERGENCE WILL NOT ADJUST PROPERLY.CHECK FOR LEAKY OR SHORTED Q8F04 PART # 260P651010 AND Q8F06 PART # 260P652010. LOCATED ON THE SIGNAL-PCB. 2. CHECK D8F00 AND D8F01 FOR LEAKAGE IN THE 24/34 V SWITCH CIRCUITS ON THE SIGNAL PCB PART # 264P045040 3. C
MGA 65	MGA	VS-4541	VZ2	Convergence	BLUE CONV. JITTER	1. JITTER OCCURS MAINLY IN THE CORNERS.CHECK FOR SHORTED Q8F02,LOCATED ON THE SIGNAL-PCB. PT#260P560040
MGA 66	MGA	VS-4541	VZ2	Convergence	CONVERGENCE DISTORTION	1. CHECK FOR LEAKY OR SHORTED Q8F04 PART # 260P651010 AND Q8F06 PART # 260P652010. LOCATED ON THE SIGNAL-PCB. 2. CHECK D8F00 AND D8F01 FOR LEAKAGE IN THE 24/34 V SWITCH CIRCUITS ON THE SIGNAL PCB PART # 264P045040 3. CHECK FOR SHORTED OR LEAKY Q8F02 (PT#2
MGA 67	MGA	VS45501	VZ4	Convergence	CONVERGENCE DISTORTION	1. CHECK FOR -8 VDC TO THE CONVERGENCE PCB AT "VM" CONNECTOR PIN 3, IF LOW, MISSING OR NOISY, CHECK C936 (1000 UFD 16 V) AND C935 (100 UFD 16 V) ON THE MAIN PCB. 2. CHECK C924 (1000 UFD 36V) AND C925 (100 UFD 50 V) IN THE -24 VOLT SUPPLY CIRCUIT ON THE MA
MGA 68	MGA	VS45603	VZ5	Convergence	CONVERGENCE RESET	1. CONVERGENCE RESET CAN BE DONE SEPARATELY FROM E2RESET. (THIS IS NOT IN THE SERVICE MANUAL). ACCESS THE FINE CONVERGENCE MODE BY PRESSING MENU 23594 THEN PRESS 8970 TO RESET GREEN, PRESS THE AUDIO BUTTON TO CHANGE TO RED AND PRESS 8970 AGAIN TO RESET RE
MGA 69	MGA	VS45603	VZ5	Convergence	CONVERGENCE EEPROM INTERMITTENTLY RESETS	1. CHECK FOR PROPER GROUND CONNECTIONS TO THE SHIELD ON THE CONVERGENCE GENERATOR PCB
MGA 70	MGA	VS45603	VZ5	Convergence	CONVERGENCE DISTORTION	1. CHECK CONNECTOR "VD" FOR PROPER CONNECTION BETWEEN THE CONVERGENCE PCB AND CONVERGENCE GENERATOR PCB. 2. SEVERE CONVERGENCE DISTORTION BUT CONVERGENCE WILL ADJUST. THE CONVERGENCE EEPROM DATA MAY BE CORRUPT, DO CONVERGENCE RESET AND REALIGN THE CONVERG
MGA 71	MGA	VS45603	VZ5	Convergence	INTERNAL CROSS HATCH JITTER	1. INTERNAL CROSS HATCH JITTER WHILE ADJUSTING. CHANGE THE VALUE OF R8C52 FROM 1 K TO 22 K ON THE CONV-AUDIO PCB.
MGA 72	MGA	VS50800	VZ6	Convergence	BLUE SHADOW ON THE RIGHT OF OSD & CCD	1. REPLACE R771 WITH A 560 OHM 1/4, OFF Q712 EMITTER ON THE SIGNAL PCB.
MGA 73	MGA	VS50800	VZ6	Convergence	CONVERGENCE DISTORTION	1. CHECK CONNECTOR "VD" FOR PROPER CONNECTION, BETWEEN THE CONVERGENCE PCB AND POWER PCB.
MGA 74	MGA	VS45605	VZ7	Convergence	CONVERGENCE RESET	1. E2RESET DOES NOT RESET THE CONVERGENCE. THE CONVERGENCE CAN BE RESET BY PRESSING "MENU 125968970"
MGA 75	MGA	VS45607	VZ8	Convergence	CONVERGENCE RESET	1. E2RESET DOES NOT RESET THE CONVERGENCE. THE CONVERGENCE CAN BE RESET BY PRESSING "MENU 125968970"
MGA 76	MGA	WT42311	VK20	Convergence	DOESN'T RETAIN CONVERGENCE SETTINGS	1. RESET THE CONVERGENCE EEPROM, PRESS "MENU 2259" TO ENTER THE CONVERGENCE MENU THEN PRESS "8970" TO RESET.
MGA 77	MGA	VS50111	V20	Convergence	DOESN'T RETAIN CONVERGENCE SETTINGS	1. RESET THE CONVERGENCE EEPROM, PRESS "MENU 2259" TO ENTER THE CONVERGENCE MENU THEN PRESS "8970" TO RESET
MGA 78	MGA	VS-4571	V13	convergence	no video/conv control	1. NO VIDEO OR CUSTOMER CONVERGENCE CONTROL. MAY HAVE OCCURED AFTER REPORT OF SET ARCING. SUSPECT DEFECTIVE IC2004 (D/A CONV). LOCATED ON PCB-SIGNAL. PT# 272P758010
MGA 79	MGA	TS-50811	V14B	convergence	convergence distortion	1. CONVERGENCE WILL NOT ADJUST PROPERLY.CHECK FOR LEAKY OR SHORTED Q8F04 PART # 260P651010 AND Q8F06 PART # 260P652010. LOCATED ON THE MAIN-PCB. 2. CHECK D8F00 AND D8F01 FOR LEAKAGE IN THE 24/34 V SWITCH CIRCUITS ON THE MAIN PCB PART # 264P045040 3. CHECK FOR SHORTED OR LEAKY Q8F02 (PT#260P560040) AND Q8F03 (PT# 260P386010).LOCATED ON THE MAIN-PCB.
MGA 80	MGA	TS-5087	V14	convergence	no convergence or pcc control	1. NO CONVERGENCE OR PCC. CONTROL,CHECK FOR +5V ON PIN (54) OF IC4A01 AND -5V ON PIN (17) IF PRESENT,CHECK FOR 5V P-P OF DATA ON PIN (12) AND PIN (13) OF IC4A01.IF PRESENT MONITOR PIN (48) (PCC. OUTPUT) OF THE IC FOR A CHANGE IN THE WAVEFORM.IF THERE IS NO CHANGE REPLACE IC4A01, LOCATED ON THE CONV.-PCB. PT#270P276010.
MGA 81	MGA	TS-5087	V14	convergence	convergence distortion	1. CONVERGENCE WILL NOT ADJUST PROPERLY.CHECK FOR LEAKY OR SHORTED Q8F04 PART # 260P651010 AND Q8F06 PART # 260P652010. LOCATED ON THE MAIN-PCB. 2. CHECK D8F00 AND D8F01 FOR LEAKAGE IN THE 24/34 V SWITCH CIRCUITS ON THE MAIN PCB PART # 264P045040 3. CHECK FOR SHORTED OR LEAKY Q8F02 (PT#260P560040) AND Q8F03 (PT# 260P386010).LOCATED ON THE MAIN-PCB.
MGA 82	MGA	VS5005	V10	Dead	VS5005. Unit has not power from supply. Set will not power up.	The 130 volt line has a complete short circuit. Disconnecting from supply will allow supply to run all the secondary voltages normally. Tech had a shorted H.Out Xistor, caused by broken bias resistor in the base of the horizontal output. Replacing the Horizontal output and the bias resistor corrected the symptom.
MGA 83	MGA	CS2771		Dead	MGA CS2771R . This TV will not run. Power supply is damaged. Field tech replaced the same parts 3 times and each time it blows out the devices he just changed. This tech received this unit with a lot of hidden damage components.	I had tech disconnect all secondary loads from power supply after replacing all the shorted components in the primary. Jumping the on/off relay the set was powered up with an variac at 10 volts AC Power supply oscillation began normal operation. But at 20 Volts A.C input the power supply B+ secondary, for the 140 volts, was already at 90 vdc. At 30 volts the B+ supply was running at 140 volts. Tech needs to replace C914, & C903 in power supply. After replacing the electrolytic in the primary side of the power supply Unit ran normally.
MGA 84	MGA	WS55859	V19	Dead	NO POWER	1. CHECK FOR 12 VOLTS DC (AC-OFF DETECT) AT PIN 3 OF PC9A21 IF MISSING REPLACE PC9A21 PART # 268P058020 ON THE POWER PCB.
MGA 85	MGA	CK35804	YA2B	Digital	PIP LOOSES COLOR	1. ADD A 47PF 50V CERAMIC CAP. IN PARALLEL WITH R7001 ON THE PIP-PCB
MGA 86	MGA	CS35503	YA0	Digital	PIP LOOSES COLOR	1. ADD A 47PF 50V CERAMIC CAP. IN PARALLEL WITH R7001 ON THE PIP-PCB.
MGA 87	MGA	CK35804	YA2B	Digital	PIP LOOSES COLOR	1. ADD A 47PF 50V CERAMIC CAP. IN PARALLEL WITH R7001 ON THE PIP-PCB
MGA 88	MGA	CS35503	YA0	Digital	PIP LOOSES COLOR	1. ADD A 47PF 50V CERAMIC CAP. IN PARALLEL WITH R7001 ON THE PIP-PCB.
MGA 89	MGA	CS20301	XM1	Digital	NO PIP VIDEO	1. SUSPECT SUB-VIDEO SWITCH IC2002 (LA7956) PART # 272P394010. LOCATED ON PCB-VIDEO. USE FOLLOWING LOGIC CHART TO CONFIRM: ] LOGIC PIN ] INPUT / PIN ] 2 ] 3 ] * HIGH = 5V --------------]-----]-----] TUNER 4 ] H ] H ] ] ] ] EXT 1 6 ] L ] H ] ] ] ] EXT 2 8
MGA 90	MGA	CS27MX1	XM	Digital	NO PIP VIDEO	1. CHECK C7026, AND C7036 BOTH 4.7 UFD 35 V ON THE PIP PCB. 2. SUSPECT SUB-VIDEO SWITCH IC2002 (LA7956) PART # 272P394010. LOCATED ON PCB-VIDEO. USE FOLLOWING LOGIC CHART TO CONFIRM: LOGIC PIN INPUT PIN 2 3 * HIGH = 5V TUNER 4 H H EXT 1 6 L H EXT 2 8 H L
MGA 91	MGA	WS55807	V17	focus purity	INTERMITTENT FOCUS	1. MAY ALSO HAVE INTERMITTENT SHUTDOWN. CHECK FOR PROPER SEATING OF CONNECTIONS TO AND FROM THE HIGH VOLTAGE BLOCK.
MGA 92	MGA	WS48313	V22	high voltage	SHUTDOWN AT POWER	1. SHUTDOWN AT POWER WITH SELF DIAGNOSIS ERROR 2 2. CHECK FOR LEAKY C9A60 470 PF 1000 V PART # 154P400030, PARALLEL TO D9A57 ON THE POWER PCB 2. SHUTDOWN AT POWER WITH SELF DIAGNOSIS ERROR 2 2. CHECK FOR OPEN FUSES F9A04 AND F9A05 ON THE +24 AND -24 VOLT LINES. IF THE FUSES ARE OPEN THE CONVERGENCE OUTPUT CIRCUIT WOULD BE SUSPECT
MGA 93	MGA	VS-4541	VZ2	High Voltage	SHUT DOWN	1. SHUT DOWN CAN BE INTERMITTENT OR AT POWER ON. CHECK FOR LEAKEY OR SHORTED Q570 PART # 260P560040 ON THE MAIN PCB.
MGA 94	MGA	VS4543	VZ3	High Voltage	INTERMITTENT SHUTDOWN	1. CHECK FOR LEAKEY D5A21, PART # 264P045040, IN THE BEAM PROTECTION CIRCUIT ON THE MAIN PCB 2. CHECK PIN 6 OFF IC5A01 FOR 22.2 VOLTS DC IF LOW CHECK D5A09, PART # 264P244030 ON THE MAIN PCB.
MGA 95	MGA	VS4543	VZ3	High Voltage	SHUTDOWN AT POWER ON	1. SHORT DETECT SHUT DOWN (PIN 15 OF IC700) CHECK FOR OPEN L902 PART # 351P070010 OFF Q904 C (15 V SUPPLY) ON THE MAIN PCB. 2. SHORT DETECT SHUTDOWN (PIN 15 OF IC700) CHECK FOR SHORTED D913 PART # 264P722010 AND OPEN Z901 PART # 283P039020 (Z905 AND Z900
MGA 96	MGA	VS4543	VZ3	High Voltage	BEAM CURRENT SHUTDOWN	1. EXCESSIVE BRIGHTNESS, CHECK FOR LEAKY Q6R1 (RED CRT PCB), Q6G1 (GREEN CRT PCB) AND/OR Q6B1 (BLUE CRT PCB). PART # 260P267020 2. NORMAL BRIGHTNESS, CHECK FOR LEAKEY D5A21, PART # 264P045040, IN THE BEAM PROTECTION CIRCUIT ON THE MAIN PCB
MGA 97	MGA	VS4543	VZ3	High Voltage	REPEAT FAILURE OF Q5A00	1. CHECK FOR SHORTED L5A00, PART # 351P138020 ON THE MAIN PCB
MGA 98	MGA	VS4543	VZ3	High Voltage	WIDTH CHANGE ON DARK TO BRIGHT SCENE CHANGE	1. CHECK Q5A08 HIGH VOLTAGE REGULATOR PART # 260P420020 ON THE MAIN PCB.
MGA 99	MGA	WS65903	V15	high voltage	NO HIGH VOLTAGE, AUDIO PRESENT	1. CHECK D564 ON THE FOIL SIDE OF THE MAIN PCB. IT SHOULD BE MOUNTED WITH THE ANODE TO THE GATE OF Q530. IF IN BACKWARD REPLACE D564 PART # 264P045050 (MAKING SURE THE ANODE IS CONNECTED TO GATE OF Q530) AND Q530 PART # 261P082010, ON THE MAIN PCB. 2. CHANGE R539 FROM 1K TO 470 OHMS, CHANGE C536 FROM 10 UF TO 22 UF, CHANGE R531 FROM 0.12 TO 0.15 OHMS, REPLACE IC500 PART # 267P143010.
MGA 100	MGA	WS65903	V15	high voltage	SHUTDOWN	1. CHECK CONNECTOR "DR" FOR PROPER CONNECTION, BETWEEN THE DEFL MINI PCB AND THE MAIN PCB.
MGA 101	MGA	WS65903	V15	high voltage	REPEAT FAILURE OF Q530	1. CHECK D564 ON THE FOIL SIDE OF THE MAIN PCB. IT SHOULD BE MOUNTED WITH THE ANODE TO THE GATE OF Q530. IF IN BACKWARD REPLACE D564 PART # 264P045050 (MAKING SURE THE ANODE IS CONNECTED TO GATE OF Q530) AND Q530 PART # 261P082010, ON THE MAIN PCB. 2. CHECK THE VALUE OF R567 56 OHM 1/4 W AND R568 470 OHM 1/4 WATT. LOCATED ON THE FOIL SIDE OF THE MAIN PCB BETWEEN PIN 1 OF IC500 AND THE GATE OF Q530.
MGA 102	MGA	WS65903	V15	high voltage	EXCESSIVE HIGH VOLTAGE	1. CHECK C5A09 AND C5A50 BOTH 33 UFD 50 V OFF OF IC5A01 ON PCB-DEFL MINI
MGA 103	MGA	VS50805	V16	high voltage	EXCESSIVE HIGH VOLTAGE	1. CHECK C5A09 AND C5A50 BOTH 33 UFD 50 V OFF OF IC5A01 ON PCB-DEFL MINI
MGA 104	MGA	WS55807	V17	high voltage	INTERMITTENT SHUTDOWN	1. SELF- DIAGNOSIS INDICATE X-RAY. MAY ALSO HAVE INTERMITTENT FOCUS. CHECK FOR PROPER SEATING OF CONNECTIONS TO AND FROM THE HIGH VOLTAGE BLOCK. 2. SELF-DIAGNOSIS INDICATE X-RAY. CHECK FOR 10 VOLTS AT PIN 3 OF IC5A02. IF LOW CHECK IC5A03 PART # 270P704010.
MGA 105	MGA	WS55807	V17	high voltage	SHUTDOWN AT POWER	1. SELF- DIAGNOSIS INDICATE X-RAY. CHECK FOR PROPER SEATING OF CONNECTIONS TO AND FROM THE HIGH VOLTAGE BLOCK. 2. SELF- DIAGNOSIS INDICATE X-RAY. CHECK FOR A SHORTED IC5A03 PART # 270P704010 AND AN OPEN R5A73 82K ¼ WATT OFF PIN 2 OF IC5A02 ON THE MAIN PCB. 3. SELF-DIAGNOSIS INDICATES SHORT PROTECT. CHECK FOR A SHORTED IC4B01 PART # 270P261020 (VERTICAL OUTPUT) LOADING 24-VOLT SUPPLY LINE. LOCATED ON THE MAIN PCB.
MGA 106	MGA	VS-4541	VZ2	High Voltage	SHUT DOWN	1. SHUT DOWN CAN BE INTERMITTENT OR AT POWER ON. CHECK FOR LEAKEY OR SHORTED Q570 PART # 260P560040 ON THE MAIN PCB.
MGA 107	MGA	VS4543	VZ3	High Voltage	INTERMITTENT SHUTDOWN	1. CHECK FOR LEAKEY D5A21, PART # 264P045040, IN THE BEAM PROTECTION CIRCUIT ON THE MAIN PCB 2. CHECK PIN 6 OFF IC5A01 FOR 22.2 VOLTS DC IF LOW CHECK D5A09, PART # 264P244030 ON THE MAIN PCB.
MGA 108	MGA	VS4543	VZ3	High Voltage	SHUTDOWN AT POWER ON	1. SHORT DETECT SHUT DOWN (PIN 15 OF IC700) CHECK FOR OPEN L902 PART # 351P070010 OFF Q904 C (15 V SUPPLY) ON THE MAIN PCB. 2. SHORT DETECT SHUTDOWN (PIN 15 OF IC700) CHECK FOR SHORTED D913 PART # 264P722010 AND OPEN Z901 PART # 283P039020 (Z905 AND Z900
MGA 109	MGA	VS4543	VZ3	High Voltage	BEAM CURRENT SHUTDOWN	1. EXCESSIVE BRIGHTNESS, CHECK FOR LEAKY Q6R1 (RED CRT PCB), Q6G1 (GREEN CRT PCB) AND/OR Q6B1 (BLUE CRT PCB). PART # 260P267020 2. NORMAL BRIGHTNESS, CHECK FOR LEAKEY D5A21, PART # 264P045040, IN THE BEAM PROTECTION CIRCUIT ON THE MAIN PCB
MGA 110	MGA	VS4543	VZ3	High Voltage	REPEAT FAILURE OF Q5A00	1. CHECK FOR SHORTED L5A00, PART # 351P138020 ON THE MAIN PCB
MGA 111	MGA	VS4543	VZ3	High Voltage	WIDTH CHANGE ON DARK TO BRIGHT SCENE CHANGE	1. CHECK Q5A08 HIGH VOLTAGE REGULATOR PART # 260P420020 ON THE MAIN PCB.
MGA 112	MGA	VS45501	VZ4	High Voltage	SHUTDOWN AT POWER	1. SHORT DETECT SHUTDOWN (PIN 13 OF IC700) CHECK FOR OPEN L902 PART # 351P155010 OFF Q904 C (15 V SUPPLY) ON THE MAIN PCB. 2. SHORT DETECT SHUTDOWN (PIN 13 OF IC700) CHECK FOR SHORTED D913 PART # 264P722010 AND OPEN Z901 PART # 283P039020 (Z905 AND Z900 M
MGA 113	MGA	VS45501	VZ4	High Voltage	INTERMITTENT SHUTDOWN	1. CHECK FOR LEAKEY D5A21, PART # 264P045040, IN THE BEAM PROTECTION CIRCUIT ON THE MAIN PCB 2. CHECK PIN 6 OFF IC5A01 FOR 22.2 VOLTS DC IF LOW CHECK D5A09, PART # 264P244030 ON THE MAIN PCB.
MGA 114	MGA	VS45603	VZ5	High Voltage	INTERMITTENT SHUTDOWN	1. CHECK FOR 10 VDC AT PIN 5 OF IC502 OF LOW, CHECK IC503 PART # 270P704010 ON THE MAIN PCB
MGA 115	MGA	VS45603	VZ5	High Voltage	PULSING RASTER	1. CHECK FOR IMPROPER ANODE LEAD CONNECTIONS TO THE HV BLOCK. NOTE: ARCING DUE TO POOR ANODE LEAD CONNECTIONS CAN CAUSE INTERNAL DAMAGE TO THE HV BLOCK PART # 920P015010.
MGA 116	MGA	VS45603	VZ5	High Voltage	SHUTDOWN AT POWER	1. CHECK FOR 10 VDC AT PIN 5 OF IC502 OF LOW, CHECK IC503 PART # 270P704010 ON THE MAIN PCB. 2. CHECK R529 .82 OHM 1/2 WATT OFF PIN 4 OF THE FLYBACK. IF OPEN CHECK C411 2200 UFD @ 35V AND IC 451 PART # 270P064020. ON THE MAIN PCB
MGA 117	MGA	VS50800	VZ6	High Voltage	SHUTDOWN	1. CHECK CONNECTOR "DR" FOR PROPER CONNECTION, BETWEEN THE DEFL MINI PCB AND THE MAIN PCB.
MGA 118	MGA	VS50800	VZ6	High Voltage	REPEAT FAILURE OF Q530	1. CHECK D564 ON THE FOIL SIDE OF THE MAIN PCB. IT SHOULD BE MOUNTED WITH THE ANODE TO THE GATE OF Q530. IF IN BACKWARD REPLACE D564 PART # 264P045050 (MAKING SURE THE ANODE IS CONNECTED TO GATE OF Q530) AND Q530 PART # 261P082010, ON THE MAIN PCB. 2. CHE
MGA 119	MGA	VS50800	VZ6	High Voltage	EXCESSIVE HIGH VOLTAGE	1. CHECK C5A09 AND C5A50 BOTH 33 UFD 50 V OFF OF IC5A01 ON PCB-DEFL MINI
MGA 120	MGA	VS50800	VZ6	High Voltage	NO HIGH VOLTAGE, AUDIO PRESENT	1. CHECK D564 ON THE FOIL SIDE OF THE MAIN PCB. IT SHOULD BE MOUNTED WITH THE ANODE TO THE GATE OF Q530. IF IN BACKWARD REPLACE D564 PART # 264P045050 (MAKING SURE THE ANODE IS CONNECTED TO GATE OF Q530) AND Q530 PART # 261P082010, ON THE MAIN PCB. 2. CHA
MGA 121	MGA	VS45605	VZ7	High Voltage	PULSING RASTER	1. CHECK FOR IMPROPER ANODE LEAD CONNECTIONS TO THE HV BLOCK. NOTE: ARCING DUE TO POOR ANODE LEAD CONNECTIONS CAN CAUSE INTERNAL DAMAGE TO THE HV BLOCK, PART # 920P016010
MGA 122	MGA	VS45607	VZ8	High Voltage	PULSING RASTER	1. CHECK FOR IMPROPER ANODE LEAD CONNECTIONS TO THE HV BLOCK. NOTE: ARCING DUE TO POOR ANODE LEAD CONNECTIONS CAN CAUSE INTERNAL DAMAGE TO THE HV BLOCK, PART # 920P016010
MGA 123	MGA	WS48511	V21	high voltage	SHUTDOWN AT POWER	. SHUTDOWN AT POWER WITH SELF DIAGNOSIS ERROR 2 2. CHECK FOR LEAKY C9A60 470 PF 1000 V PART # 154P400030, PARALLEL TO D9A57 ON THE POWER PCB 2. SHUTDOWN AT POWER WITH SELF DIAGNOSIS ERROR 2 2. CHECK FOR OPEN FUSES F9A04 AND F9A05 ON THE +24 AND -24 VOLT LINES. IF THE FUSES ARE OPEN THE CONVERGENCE OUTPUT CIRCUIT WOULD BE SUSPECT
MGA 124	MGA	WS48313	V22	high voltage	SHUTDOWN AT POWER	1. SHUTDOWN AT POWER WITH SELF DIAGNOSIS ERROR 2 2. CHECK FOR LEAKY C9A60 470 PF 1000 V PART # 154P400030, PARALLEL TO D9A57 ON THE POWER PCB 2. SHUTDOWN AT POWER WITH SELF DIAGNOSIS ERROR 2 2. CHECK FOR OPEN FUSES F9A04 AND F9A05 ON THE +24 AND -24 VOLT LINES. IF THE FUSES ARE OPEN THE CONVERGENCE OUTPUT CIRCUIT WOULD BE SUSPECT
MGA 125	MGA	CK32308	ZM	High Voltage	SERVICE CAUTION	1. THIS CHASSIS MAINTAINS A H.V CHARGE WITH THE SET TURNED OFF. THE CRT ANODE NEEDS TO BE DISCHARGED USING A STANDARD DISCHARGE PROBE WITH A 47 OHM 5W RES. IN SERIES WITH THE PROBE.BEFORE ANY SERVICING IS DONE TO THE SET.
MGA 126	MGA	CK32308	ZM	High Voltage	INTERMITTENT SHUTDOWN	1.THE CRT BIAS, WHITE BALANCE, BLACK LEVEL AND SUB CONTRAST MUST BE ALIGNED (IN THAT ORDER) PER THE SERVICE MANUAL. AFTER ALL ALIGNMENTS ARE DONE, CHANGE THE VALUE OF R-530 (LOCATED AT Q541-C) FROM 1.8K TO 2.7K
MGA 127	MGA	CK32308	ZM	High Voltage	SERVICE CAUTION	1. THIS CHASSIS MAINTAINS A H.V CHARGE WITH THE SET TURNED OFF. THE CRT ANODE NEEDS TO BE DISCHARGED USING A STANDARD DISCHARGE PROBE WITH A 47 OHM 5W RES. IN SERIES WITH THE PROBE.BEFORE ANY SERVICING IS DONE TO THE SET.
MGA 128	MGA	CK32308	ZM	High Voltage	INTERMITTENT SHUTDOWN	1.THE CRT BIAS, WHITE BALANCE, BLACK LEVEL AND SUB CONTRAST MUST BE ALIGNED (IN THAT ORDER) PER THE SERVICE MANUAL. AFTER ALL ALIGNMENTS ARE DONE, CHANGE THE VALUE OF R-530 (LOCATED AT Q541-C) FROM 1.8K TO 2.7K
MGA 129	MGA	CS20301	XM1	High Voltage	INT SHUTDOWN	1. UNIT MAY SHUT DOWN UNDER CERTAIN SIGNAL CONDITIONS. INSURE THE VALUE OF THE FOLLOWING COMPONENTS ARE AS SPECIFIED BELOW: COMPONENT VALUE LOCATION --------- ----- -------- C501 560PF / 50V IC201 PIN 12 (HOR OSC CIRCUIT) R511 150K 1/4 W IC201 PIN 46 (SYN
MGA 130	MGA	CS27MX1	XM	High Voltage	FOCUS VOLTAGE	1. THE FOLLOWING ARE THE STANDARD FOCUS VOLTAGE RANGES DURING OPERATION: A) WITH CRT-PCB CONNECTED 5.7KV TO 8.5KV B) WITH CRT-PCB DISCONNECTED 6.1KV TO 9.1KV
MGA 131	MGA	CS27MX1	XM	High Voltage	INT SHUTDOWN	1. UNIT MAY SHUT DOWN UNDER CERTAIN SIGNAL CONDITIONS. INSURE THE VALUE OF THE FOLLOWING COMPONENTS ARE AS SPECIFIED BELOW: COMPONENT VALUE LOCATION --------- ----- -------- C501 560PF / 50V IC201 PIN 12 (HOR OSC CIRCUIT) R511 150K 1/4 W IC201 PIN 46 (SYN
MGA 132	MGA	CS20RX1	XL	High Voltage	SHUT DOWN AT POWER	1. CHECK C518, 33 UFD @ 50V BETWEEN THE BASE AND EMITTER OF Q507 ON THE MAIN PCB. 2. CHECK C519 100 UFD 50 V (105C) OFF THE COLLECTOR OF Q507 ON THE MAIN PCB. 3. CHECK C517 1 UFD 50 V (105C) BETWEEN BASE AND EMITTER OF Q506 ON THE MAIN PCB 4. CHECK C520 1
MGA 133	MGA	WS48313	V22	horizontal	REPEAT FAILURE OF Q5A31 AND/OR Q5A01	1. CHECK T5A31 PART # 349P216010, OFF THE COLLECTOR OF Q5A31 ON THE MAIN PCB
MGA 134	MGA	WS55809	V19	horizontal	Q5A31 & Q5A01 Repeat failure	1. SUSPECT SHORTED WINDINGS OF T5A31 PART # 349P216010 ON THE MAIN PCB
MGA 135	MGA	WS55809	V18	horizontal	Horizontal overscan	1. EXCESSIVE HORIZONTAL WIDTH WITH NO CONTROL. CHECK FOR SHORTED Q5A01, PART # 260P788010, ON THE MAIN PCB.
MGA 136	MGA	WS55859	V19	horizontal	repeat failure of Q5A31 and or Q5A01	1. CHECK T5A31 PART # 349P216010, OFF THE COLLECTOR OF Q5A31 ON THE MAIN PCB
MGA 137	MGA	VS40VA2	VZ1	Horizontal	limited PCC control	1. CHECK FOR LEAKY OR SHORTED C5A1 OR C5A2,BOTH ARE (2.2UF 50V) ON PIN 2 OF IC5A0.LOCATED ON THE SIDE-PIN-PCB.
MGA 138	MGA	VS40VA2	VZ1	Horizontal	horiz/vert instability	1. VERT JITTER/HORZ UNSTABLE-CHECK 'GE' CONNECTOR PIN 5 FOR 1VPP Y SIGNAL INTO PIP PCB THEN CHECK 'GE' CONNECTOR PIN 11 FOR 1VPP Y SIGNAL FROM PIP PCB. IF SIGNAL AT PIN 5 IS GOOD AND PIN 11 IS CLIPPED OR REDUCED. CHECK ALL ELECTROLYTICS (I.E.C7001, C7014,
MGA 139	MGA	VS-4541	VZ2	Horizontal	BOW AT TOP+BOTTOM OF PIC	1. BOWING ON THE TOP AND BOTTOM OF PICTURE.CHECK FOR 5.4V ON PIN 8 OF IC4B01,IF LOW OR MISSING CHECK Q4B01,ON THE MAIN-PCB. PT#260P559050. 2. CHECK FOR 6V ON THE BASE OF Q4B01 IF LOW OR MISSING CHECK THE VALUE OF R4B05 (220K 1/4W).LOCATED ON THE MAIN-PCB
MGA 140	MGA	VS-4541	VZ2	Horizontal	PICTURE IS BLOOMING	1. CHECK FOR 20.3V DC ON THE BASE OF Q502,IF LOW OR MISSING.REPLACE T501 AND CHECK Q502. T501,PT#334P191070 Q502,PT#260P559050
MGA 141	MGA	VS-4541	VZ2	Horizontal	PIX PULLS IN W/FOLDOVER	1. PIX PULLS IN ON RIGHT SIDE WITH FOLDOVER (WHITE LINE) IN CENTER OF PIX. CHECK T-500 FOR BAD CONNECTIONS. ALSO THAT LEGS OF T-500 ARE PENETRATING THROUGH THE PCB PROPERLY
MGA 142	MGA	VS-4541	VZ2	Horizontal	TOP PCC. DISTORTION	1. CHECK FOR 5.4V ON PIN 8 OF IC4B01,IF LOW,CHECK THE VALUE OF R4B07 (47K 1/4W) RES. ON THE MAIN-PCB. 2. CHECK FOR 6V ON THE BASE OF Q4B01,IF HIGH REPLACE C4B04 (33UF 50V) AND CHECK Q4B01;PT#260P559050,BOTH LOCATED ON THE MAIN-PCB
MGA 143	MGA	VS-4541	VZ2	Horizontal	PICTURE BOWED IN.	1. PICTURE HAS AN HOUR GLASS SHAPE,SUSPECT D501 IT MAY BE LEAKY OR SHORTED.D501 IS LOCATED NEXT TO Q501 ON THE MAIN-PCB. PT# 264P358070
MGA 144	MGA	VS4543	VZ3	Horizontal	REPEAT FAILURE OF Q5A02	CHECK FOR SHORTED L5A01 PART # 351P138010 ON THE MAIN PCB
MGA 145	MGA	VS4543	VZ3	Horizontal	WIDTH CHANGE ON DARK TO BRIGHT SCENE CHANGE	1. CHECK Q5A08 HIGH VOLTAGE REGULATOR, PART # 260P420020 ON THE MAIN PCB.
MGA 146	MGA	VS4543	VZ3	Horizontal	PULSING ON THE SIDES	1. CHECK FOR 20 VPP VERTICAL PULSE TO PIN 9 OF THE "GL" CONNECTOR TO THE CONVERGENCE PCB, IF MISSING, WEAK OR DISTORTED, CHECK PULSE AT SOURCE PIN 7 OF IC401 (PUMP UP OUTPUT) ON THE SIGNAL PCB, IF THE PULSE IS NOT CORRECT AT PIN 7 CHECK C402 100 UFD 50V A
MGA 147	MGA	VS50805	V16	horizontal	REDUCED OR NO HORIZONTAL DEFLECTION	1. CHECK THE COLLECTOR OF Q501 97 VOLTS DC OF LOW OR MISSING CHECK FOR AN OPEN Q503 (260P788010) AND/OR LEAKY Q502 (260P561020) ON THE MAIN PCB.
MGA 148	MGA	VS50805	V16	horizontal	SHORTED Q501	1. IF Q501 (261P071010) IS SHORTED, Q503 (260P788010) AND/OR Q502 (260P561020) MAY ALSO HAVE BEEN AFFECTED. IF ANY OF THESE TRANSISTORS ARE SHORTED OR LEAKY, REPLACE IT AND INSURE THE FOLLOWING CIRCUIT CHANGE HAS BEEN DONE. REMOVE J58 FROM THE PCB-MAIN. USING AN INSULATED JUMPER WIRE, SOLDER A 22 OHM 1/4W RESISTOR BETWEEN PIN 4 OF THE RELAY K9A30 AND THE J58 HOLE NEXT TO PIN 1 OF CONNECTOR DQ. DRESS AND INSULATE THE JUMPER AND RESISTOR TO PROTECT AGAINST SHORT CIRCUITS. INSTALL A .01 UF 50V CERAMIC CAPACITOR BETWEEN THE COLLECTOR OF Q510 AND THE GROUND LEAD OF R502.
MGA 149	MGA	VS50805	V16	horizontal	EXCESSIVE WIDTH WILL NOT ADJUST	1. CHECK Q503 (260P788010). IF SHORTED, REPLACE IT INSURE THE FOLLOWING CIRCUIT CHANGE HAS BEEN DONE. REMOVE J58 FROM THE PCB-MAIN. USING AN INSULATED JUMPER WIRE, SOLDER A 22 OHM 1/4W RESISTOR BETWEEN PIN 4 OF THE RELAY K9A30 AND THE J58 HOLE NEXT TO PIN 1 OF CONNECTOR DQ. DRESS AND INSULATE THE JUMPER AND RESISTOR TO PROTECT AGAINST SHORT CIRCUITS. INSTALL A .01 UF 50V CERAMIC CAPACITOR BETWEEN THE COLLECTOR OF Q510 AND THE GROUND LEAD OF R502.
MGA 150	MGA	WS55807	V17	horizontal	EXCESSIVE HORIZONTAL WIDTH	1. EXCESSIVE HORIZONTAL WIDTH WITH NO CONTROL. CHECK FOR SHORTED Q5A01, PART # 260P788010, ON THE MAIN PCB
MGA 151	MGA	WS55807	V17	horizontal	REPEAT FAILURE OF Q5A31 AND/OR Q5A01	1. SUSPECT SHORTED WINDINGS OF T5A31 PART # 349P216010 ON THE MAIN PCB
MGA 152	MGA	VS40VA2	VZ1	Horizontal	limited PCC control	1. CHECK FOR LEAKY OR SHORTED C5A1 OR C5A2,BOTH ARE (2.2UF 50V) ON PIN 2 OF IC5A0.LOCATED ON THE SIDE-PIN-PCB.
MGA 153	MGA	VS40VA2	VZ1	Horizontal	horiz/vert instability	1. VERT JITTER/HORZ UNSTABLE-CHECK 'GE' CONNECTOR PIN 5 FOR 1VPP Y SIGNAL INTO PIP PCB THEN CHECK 'GE' CONNECTOR PIN 11 FOR 1VPP Y SIGNAL FROM PIP PCB. IF SIGNAL AT PIN 5 IS GOOD AND PIN 11 IS CLIPPED OR REDUCED. CHECK ALL ELECTROLYTICS (I.E.C7001, C7014,
MGA 154	MGA	VS-4541	VZ2	Horizontal	BOW AT TOP+BOTTOM OF PIC	1. BOWING ON THE TOP AND BOTTOM OF PICTURE.CHECK FOR 5.4V ON PIN 8 OF IC4B01,IF LOW OR MISSING CHECK Q4B01,ON THE MAIN-PCB. PT#260P559050. 2. CHECK FOR 6V ON THE BASE OF Q4B01 IF LOW OR MISSING CHECK THE VALUE OF R4B05 (220K 1/4W).LOCATED ON THE MAIN-PCB
MGA 155	MGA	VS-4541	VZ2	Horizontal	PICTURE IS BLOOMING	1. CHECK FOR 20.3V DC ON THE BASE OF Q502,IF LOW OR MISSING.REPLACE T501 AND CHECK Q502. T501,PT#334P191070 Q502,PT#260P559050
MGA 156	MGA	VS-4541	VZ2	Horizontal	PIX PULLS IN W/FOLDOVER	1. PIX PULLS IN ON RIGHT SIDE WITH FOLDOVER (WHITE LINE) IN CENTER OF PIX. CHECK T-500 FOR BAD CONNECTIONS. ALSO THAT LEGS OF T-500 ARE PENETRATING THROUGH THE PCB PROPERLY
MGA 157	MGA	VS-4541	VZ2	Horizontal	TOP PCC. DISTORTION	1. CHECK FOR 5.4V ON PIN 8 OF IC4B01,IF LOW,CHECK THE VALUE OF R4B07 (47K 1/4W) RES. ON THE MAIN-PCB. 2. CHECK FOR 6V ON THE BASE OF Q4B01,IF HIGH REPLACE C4B04 (33UF 50V) AND CHECK Q4B01;PT#260P559050,BOTH LOCATED ON THE MAIN-PCB
MGA 158	MGA	VS-4541	VZ2	Horizontal	PICTURE BOWED IN.	1. PICTURE HAS AN HOUR GLASS SHAPE,SUSPECT D501 IT MAY BE LEAKY OR SHORTED.D501 IS LOCATED NEXT TO Q501 ON THE MAIN-PCB. PT# 264P358070
MGA 159	MGA	VS4543	VZ3	Horizontal	REPEAT FAILURE OF Q5A02	CHECK FOR SHORTED L5A01 PART # 351P138010 ON THE MAIN PCB
MGA 160	MGA	VS4543	VZ3	Horizontal	WIDTH CHANGE ON DARK TO BRIGHT SCENE CHANGE	1. CHECK Q5A08 HIGH VOLTAGE REGULATOR, PART # 260P420020 ON THE MAIN PCB.
MGA 161	MGA	VS4543	VZ3	Horizontal	PULSING ON THE SIDES	1. CHECK FOR 20 VPP VERTICAL PULSE TO PIN 9 OF THE "GL" CONNECTOR TO THE CONVERGENCE PCB, IF MISSING, WEAK OR DISTORTED, CHECK PULSE AT SOURCE PIN 7 OF IC401 (PUMP UP OUTPUT) ON THE SIGNAL PCB, IF THE PULSE IS NOT CORRECT AT PIN 7 CHECK C402 100 UFD 50V A
MGA 162	MGA	VS45605	VZ7	Horizontal	HORIZONTAL PULLING AND TEARING	1. HORIZONTAL PULLING AND TEARING, MAY ALSO HAVE VERTICAL ROLLING OR VERTICAL BLANKING BAR LOCKING IN THE MIDDLE OF THE PICTURE. CHECK C2C52 10 UFD @ 50 V OFF THE BASE OF Q2C51 ON THE SIGNAL PCB. 2. CHECK C2P05 100 UFD 16 V OFF PIN 3 OF IC2P01 (9-VOLT REG
MGA 163	MGA	VS45607	VZ8	Horizontal	HORIZONTAL PULLING AND TEARING	1. CHECK C2P05 100 UFD 16 V OFF PIN 3 OF IC2P01 (9-VOLT REGULATOR) ON THE SIGNAL PCB.
MGA 164	MGA	WS48511	V21	horizontal	REPEAT FAILURE OF Q5A31 AND/OR Q5A01	1. CHECK T5A31 PART # 349P216010, OFF THE COLLECTOR OF Q5A31 ON THE MAIN PCB
MGA 165	MGA	WS48313	V22	horizontal	REPEAT