MAKE
| MODEL
| SYMPTOM
| CURE
|
MAGNAVOX
| N/A
| TV IS STUCK IN THE DEMONSTRATION MODE
| PRESS VOLUME UP/VOLUME DOWN AT THE SAME TIME TO END DEMO
|
MAGNAVOX
| N/A
| GOES INTO SHUTDOWN AND HAS NO REGULATION
| CHECK/REPLACE Q500 FOR SHORT
|
MAGNAVOX
| N/A
| DEAD SET WITH VERY SLOW TIC-TIC
| CHECK/REPLACE Q600 FOR SHORT
|
MAGNAVOX
| N/A
| INTERMITTENTLY SHUTS OFF AND WHEN TURNED BACK ON, TV HAS RESET TO CHANNEL 3 (AS IF AC WAS REMOVED)
| CHECK/RESOLDER CONNECTIONS ON T471
|
MAGNAVOX
| N/A
| WILL NOT GO INTO WHITTLE PROGRAM MODE
| BE SURE R321 HAS BEEN REMOVED FOR WHITTLE OPERATION
|
MAGNAVOX
| N/A
| DEAD SET WITH VERY SLOW TIC-TIC
| CHECK/REPLACE Q600 FOR SHORT
|
MAGNAVOX
| N/A
| DEAD SET WITH VERY SLOW TIC-TIC
| CHECK/REPLACE Q600 FOR SHORT
|
MAGNAVOX
| N/A
| ONLY HAS SNOW-WON'T TUNE ANY CHANNEL
| CHECK/REPLACE Z361 FOR SHORT OR LEAKY
|
MAGNAVOX
| N/A
| DEAD SET OR HARD TO GET TO POWER ON
| CHECK/REPLACE R406 FOR OPEN OR CHANGE IN VALUE
|
MAGNAVOX
| N/A
| CIRCUIT BREAKER TRIPS
| CHECK FOR SHORTED T101
|
MAGNAVOX
| N/A
| HIGH VOLTAGE IS TOO HIGH
| CHECK/REPLACE C218,C204 (MOTHER BOARD),REGULATOR MODULE AND TRIPLER
|
MAGNAVOX
| N/A
| NO SOUND,NO PIX,HV ONLY 4KV
| CHECK AND REPLACE Q6 (POWER SUPPLY)
|
MAGNAVOX
| N/A
| DIM SMEARED VIDEO
| CHECK C4 FOR LEAKAGE
|
MAGNAVOX
| N/A
| NO SOUND,NO PIX,HV ONLY ABOUT 4KV,ALL XSTR GOOD
| CHECK R17 ON POWER SUPPLY MODULE
|
MAGNAVOX
| N/A
| DIM,SMEARED VIDEO
| CHECK C4 FOR LEAKY CONDITION (CRT BD)
|
MAGNAVOX
| N/A
| NO SOUND - NO PIX - HV ABOUT 4KV
| CHECK R17 FOR INCREASE IN VALUE
|
MAGNAVOX
| N/A
| ARCING IN THE PIX
| CHECK/REPLACE CRT,C218,REGULATOR MODULE AND TRIPLER
|
MAGNAVOX
| N/A
| NO COLOR OR NO COLOR SYNC
| CHECK/REPLACE D213,D214,C224 (MOTHER BOARD) AND D208 (CHRM)
|
MAGNAVOX
| N/A
| NO SOUND - NO PIX - HV ABOUT 4KV
| CHECK Q6 (SWITCH REG)
|
MAGNAVOX
| N/A
| LOW HIGH VOLTAGE
| CHECK/REPLACE D213,D214,C218,C216 (MOTHER BOARD) ALSO REGULATOR MODULE AND TRIPLER
|
MAGNAVOX
| N/A
| NO SOUND
| CHECK IC1 ON SOUND MODULE
|
MAGNAVOX
| 13PR12
| WON'T SHUT OFF AND R432 BURNT
| CHECK/REPLACE IC410 (P/N# 483520947056 OR STR30130) AND R432 (P/N# 483511657582 OR 1K 1/2watt)
|
MAGNAVOX
| 13PRC1
| REPEATED HORZ. OUTPUT FAILURE
| CHANGE Q501 WITH (483513041782), R502 W/2k (483511657409), INSTALL C509 (483512247008) & DIODE/RES. KIT (483521957539)
|
MAGNAVOX
| 19PR14
| WON'T SHUT OFF AND R432 BURNT
| CHECK/REPLACE IC410 (P/N# 483520947056 OR STR30130) AND R432 (P/N# 483511657582 OR 1K 1/2watt)
|
MAGNAVOX
| 19PRC1
| REPEATED HORZ. OUTPUT FAILURE
| CHANGE Q501 WITH (483513041782), R502 W/2k (483511657409), INSTALL C509 (483512247008) & DIODE/RES. KIT (483521957539)
|
MAGNAVOX
| 19PRC1
| WILL NOT TUNE ANY CHANNELS
| CHECK/REPLACE R360/R361 (15k 1/2w.) AND Z361 (33v ZENER)
|
MAGNAVOX
| 19PRC10
| DEAD SET - NO ATTEMPT TO TURN ON
| CHECK/REPLACE F401 (P/N# 483525397031) AND Q502 (P/N# 483513067001)
|
MAGNAVOX
| 19PS52
| WON'T SHUT OFF AND R432 BURNT
| CHECK/REPLACE IC410 (P/N# 483520947056 OR STR30130) AND R432 (P/N# 483511657582 OR 1K 1/2watt)
|
MAGNAVOX
| 25TR12
| WON'T SHUT OFF AND R432 BURNT
| CHECK/REPLACE IC410 (P/N# 483520947056 OR STR30130) AND R432 (P/N# 483511657582 OR 1K 1/2watt)
|
MAGNAVOX
| 25TRC1
| SET WON'T SHUT OFF
| CHECK/REPLACE IC401 (STR30130)
|
MAGNAVOX
| 25TS52
| WON'T SHUT OFF AND R432 BURNT
| CHECK/REPLACE IC410 (P/N# 483520947056 OR STR30130) AND R432 (P/N# 483511657582 OR 1K 1/2watt)
|
MAGNAVOX
| 25TSC6
| NO SOUND OR PICTURE - WHEN G1 CONTROL IS INCREASED, THERE IS NO VERTICAL SWEEP PRESENT
| CHECK/REPLACE R516 (1 @ 1/3w.) RESISTOR
|
MAGNAVOX
| BB4172WA02
| VERTICAL FOLDOVER
| CHECK/REPLACE R451
|
MAGNAVOX
| BB4172WA02
| RINGING IN THE VIDEO
| ADD 22pF @ 50v NPO (2508412205) ACROSS R102
|
MAGNAVOX
| BB4172WA02
| NO VIDEO
| CHECK/REPLACE C120
|
MAGNAVOX
| BB4172WA02
| NO SOUND
| CHECK/REPLACE C106
|
MAGNAVOX
| BB4172WA02
| BRIGHT SCREEN WITH NO VIDEO THEN SET SHUTS DOWN
| CHECK/REPLACE R719 OPEN
|
MAGNAVOX
| BB4172WA02
| BRIGHT SCREEN,NO VIDEO AND THEN SET SHUTSDOWN
| CHECK/REPLACE R719
|
MAGNAVOX
| BB4172WA02
| EXCESSIVE BLUE
| CHECK/REPLACE Q402
|
MAGNAVOX
| BB4172WA02
| DEAD SET
| CHECK/REPLACE C501,Q600,T700,D705,Q501,SCR500 OR CONNECTIONS ON T901
|
MAGNAVOX
| BB4172WA02
| SET WON'T SHUT OFF
| CHECK/REPLACE IC80 ON TUNER CONTROL BOARD
|
MAGNAVOX
| BB4172WA02
| L501 IS VERY NOISY - SQUEALS
| CHECK/REPLACE R509 CHANGED VALUE
|
MAGNAVOX
| BB4172WA02
| BUZZ IN THE AUDIO
| CHECK/REPLACE L500 (3617950001) ALSO ADD CHOKE (3617355699) ACROSS R107
|
MAGNAVOX
| BB4172WA02
| INTERMITTENT BRIGHTNESS
| CHECK/RESOLDER CONNECTIONS ON PLUG P15
|
MAGNAVOX
| BD4143WA06
| NO RASTER
| CHECK/REPLACE IC502 (TDA3651)
|
MAGNAVOX
| BD4143WA06
| WEAK COLOR
| CHECK/CLEAN FLUX BUILD UP FROM IC100,IC200,IC500,SF130
|
MAGNAVOX
| BD4143WA06
| DEAD SET
| CHECK/RESOLDER CONNECTION ON R466
|
MAGNAVOX
| BD4143WA06
| DEAD SET
| CHECK/RESOLDER CONNECTIONS ON R466
|
MAGNAVOX
| BD4143WA06
| SMALL RASTER
| CHECK/REPLACE R424
|
MAGNAVOX
| BD4143WA06
| INTERM, PIX-CHANNEL INDIC. BLINKS OFF/ON
| CHECK FOR DEFECTIVE C474
|
MAGNAVOX
| BX3748
| POOR REGULATION
| CHECK/REPLACE Q502 (MAY CHECK GOOD)
|
MAGNAVOX
| C3901WA02
| DISTORTED AUDIO
| CHECK/REPLACE IC202
|
MAGNAVOX
| C3901WA02
| VERTICAL JITTER OR FLAGGING WITH A VCR
| CHANGE R564 TO 820 ohm,C534 TO .15uF,R550 TO 39 ohm AND R552 TO 6.8k
|
MAGNAVOX
| C3901WA02
| DEAD SET
| CHECK/REPLACE Q408,T452,Q410,C404,IC500,T400 OR CONNECTIONS ON R469,R470,IFT
|
MAGNAVOX
| C3901WA02
| WEAK SOUND OR STATIC IN SOUND
| CHECK/CLEAN FLUX BUILD UP FROM IC100,IC200,IC500 AND SF130
|
MAGNAVOX
| C3901WA02
| VERTICAL COMPRESSION AND SLIGHT STRETCH IN THE CENTER WHEN CHANNELS ARE CHANGED AND BOUNCE ON SCENE CHANGES.
| CHECK/REPLACE C510
|
MAGNAVOX
| C3901WA02
| INTERMITTENT SHUTDOWN
| CHECK/REPLACE Q410
|
MAGNAVOX
| C3901WA02
| PICTURE ALL GREEN
| CHECK/REPLACE Q602,Q604
|
MAGNAVOX
| C3901WA02
| NO HORZ. SYNC
| CHECK/REPLACE IC500
|
MAGNAVOX
| CE4137
| GREEN PIX AND LOW BRIGHTNESS
| CHECK/REPLACE Q406
|
MAGNAVOX
| CE4137
| WEAK COLOR
| CHECK/CLEAN FLUX BUILD UP FROM IC100,IC200,IC500,SF130
|
MAGNAVOX
| CE4137
| WEAK SOUND OR STATIC IN SOUND
| CHECK/CLEAN FLUX BUILD UP FROM IC100,IC200,IC500 AND SF130
|
MAGNAVOX
| CE4137
| DEAD SET
| CHECK/RESOLDER CONNECTION ON R466
|
MAGNAVOX
| CE4137
| PICTURE ALL GREEN
| CHECK/REPLACE Q602,Q604
|
MAGNAVOX
| CE4137
| NO RASTER
| CHECK/REPLACE IC502 (TDA3651)
|
MAGNAVOX
| CE4137
| VERTICAL JITTERS
| REPLACED C512
|
MAGNAVOX
| CE4137
| INTERMITTENT SHUTDOWN
| CHECK/REPLACE Q410
|
MAGNAVOX
| CE4137
| INTERM, PIX-CHANNEL INDIC. BLINKS OFF/ON
| CHECK FOR DEFECTIVE C474
|
MAGNAVOX
| CE4137
| SMALL RASTER
| CHECK/REPLACE R424
|
MAGNAVOX
| CE4137
| DEAD SET
| CHECK/REPLACE Q408,T452,Q410,C404,IC500,T400 OR CONNECTIONS ON R469,R470,IFT
|
MAGNAVOX
| CE4137
| SNOWY PIX - EXCESSIVE PEAKING OR SHARPNESS
| ADD A 22k TO PIN 3 OF PLUG P11 TO GROUND
|
MAGNAVOX
| CE4137
| DEAD SET
| CHECK/RESOLDER CONNECTIONS ON R466
|
MAGNAVOX
| CE4137
| DISTORTED AUDIO
| CHECK/REPLACE IC202
|
MAGNAVOX
| CE4137
| BEAT PATTERN IN PICTURE
| RE-ADJUST L156
|
MAGNAVOX
| CE4137
| VERTICAL JITTER OR FLAGGING WITH A VCR
| CHANGE R564 TO 820 ohm,C534 TO .15uF,R550 TO 39 ohm AND R552 TO 6.8k
|
MAGNAVOX
| CE4137
| NO HORZ. SYNC
| CHECK/REPLACE IC500
|
MAGNAVOX
| CE4137
| NO VIDEO BUT HAS EXCESSIVE BRIGHTNESS
| CHECK/REPLACE R601 ON CRT BOARD
|
MAGNAVOX
| CE4137
| VERTICAL IS COMPRESSED BUT SLIGHTLY STRETCHED IN THE MIDDLE
| CHECK/REPLACE C510
|
MAGNAVOX
| CE4137
| HIGH FREQUENCY SQUEAL
| CHECK/REPLACE L458
|
MAGNAVOX
| CE4137
| VERTICAL COMPRESSION AND SLIGHT STRETCH IN THE CENTER WHEN CHANNELS ARE CHANGED AND BOUNCE ON SCENE CHANGES.
| CHECK/REPLACE C510
|
MAGNAVOX
| CE4137
| DEAD SET
| CHECK FOR OPEN R417,R418
|
MAGNAVOX
| CE4137
| SOFT VERT. BOUNCE
| CHECK C510
|
MAGNAVOX
| CE4137WA08
| HIGH FREQUENCY SQUEAL
| CHECK/REPLACE L458
|
MAGNAVOX
| CE4137WA08
| SNOWY PIX - EXCESSIVE PEAKING OR SHARPNESS
| ADD A 22k TO PIN 3 OF PLUG P11 TO GROUND
|
MAGNAVOX
| CE4137WA08
| BEAT PATTERN IN PICTURE
| RE-ADJUST L156
|
MAGNAVOX
| CE4137WA08
| VERTICAL IS COMPRESSED BUT SLIGHTLY STRETCHED IN THE MIDDLE
| CHECK/REPLACE C510
|
MAGNAVOX
| CE4137WA08
| VERTICAL JITTERS
| REPLACED C512
|
MAGNAVOX
| CE4137WA08
| SOFT VERT. BOUNCE
| CHECK C510
|
MAGNAVOX
| CE4137WA08
| GREEN PIX AND LOW BRIGHTNESS
| CHECK/REPLACE Q406
|
MAGNAVOX
| CE4137WA08
| NO VIDEO BUT HAS EXCESSIVE BRIGHTNESS
| CHECK/REPLACE R601 ON CRT BOARD
|
MAGNAVOX
| CE4137WA08
| DEAD SET
| CHECK FOR OPEN R417,R418
|
MAGNAVOX
| CG4047
| DEAD - POSSIBLY INTERMITTENT
| CHECK POWER SWITCH CONNECTIONS TO THE PC BOARD
|
MAGNAVOX
| CG4712
| DEAD SET - PIN#26 OF IC201 IS SHORTED TO GROUND.
| CHECK/REPLACE Z436
|
MAGNAVOX
| CG4712
| WHITE SMOOTH RASTER (NO VIDEO) - SOUND OK
| CHECK/REPLACE C631 AND IC640
|
MAGNAVOX
| CG4712
| DEAD SET-NO REG B+
| CHECK IC340 FOR SQR. WAVE @ PIN #11--IF MISSING REPL.
|
MAGNAVOX
| CG4712
| NO STANDBY VOLTAGES OR LOW STANDBY VOLTAGE OR 130V TOO HIGH
| CHECK/REPLACE D414,D416,Q406 AND Q407
|
MAGNAVOX
| CG4712
| DEAD SET
| CHECK/REPLACE Q406
|
MAGNAVOX
| CG4712
| NO SOUND - AFTER REPLACING IC280 IT RUNS VERY WARM
| CHECK/REPLACE IC280,R284 AND C287
|
MAGNAVOX
| CG4712
| WHEN BRIGHTNESS INCREASES,PIX SHRINKS VERTICALLY
| CHECK D416 FOR OPEN (OUT OF CIRCUIT)
|
MAGNAVOX
| CG4712
| INTERMITTENT LOSS OF HORZ. HOLD AND PIX SHRINKS HORZ.
| CHECK R505 FOR CONNECTIONS PROBLEMS
|
MAGNAVOX
| CG4712
| BRIGHT RASTER WITH RETRACE AND DIM VIDEO
| CHECK/REPLACE R25 (CRT BOARD)
|
MAGNAVOX
| CG4712
| FULL VOLUME-VOL.CHNG. CAUSES TUNER TO SEARCH
| CHECK IC280
|
MAGNAVOX
| CG4712
| GARBLED SOUND AND POSSIBLY ONLY ON CERTAIN CHANNELS
| CHECK/REPLACE Y201 SAW FILTER (P/N 483515497069)
|
MAGNAVOX
| CG4712
| DEAD SET
| CHECK/REPLACE D414,D416,Q406 AND Q407
|
MAGNAVOX
| CG4712
| NO STANDBY VOLTAGES
| REPLACED R407/INDUCTOR L402
|
MAGNAVOX
| CG4712
| POOR AFT LOCK - ADJUSTING AFT DETECTOR HELPS BUT DOESN'T COMPLETELY CORRECT
| CHECK/REPLACE Y200 SAW FILTER (P/N# 483515497068)
|
MAGNAVOX
| CG4712
| BLANK RASTER OR SLICK RASTER-SOUND OK
| CHECK/REPLACE IC580 (VERT. OUTPUT IC)
|
MAGNAVOX
| CG4712
| NO VIDEO OR LUMINANCE
| CHECK/REPLACE LEAKY HORZ.DRIVER XSTR.
|
MAGNAVOX
| CG4712
| PIX SHIFTED TO RIGHT,4' BLACK BAR ON LEFT SIDE
| CHECK R508 FOR BREAKING DOWN UNDER LOAD
|
MAGNAVOX
| CG4712
| NO VOLUME CTRL.--DOESN'T MUTE ON CHANNEL CHANGE
| CHECK IC280
|
MAGNAVOX
| CG4712
| DEAD SET - STANDBY VOLTAGE IS TOO HIGH AND FULL POWER IS SLIGHTLY HIGH (132 VOLTS)
| CHECK/REPLACE Q500
|
MAGNAVOX
| CG4712
| DEAD SET
| CHECK R434 FOR OPEN
|
MAGNAVOX
| CG4712
| TUNER SEARCHES AFTER CHANNEL IS SELECTED
| RESOLDER IC309
|
MAGNAVOX
| CG4712
| DEAD SET AFTER INSTALLATION OF IC404
| CHECK FOR PROPER ORIENTATION OF IC404 - SOME BOARDS WERE MARKED WRONG WITH RESPECT TO PIN#1 OF THE IC.
|
MAGNAVOX
| CG4712
| NO VIDEO WITH RETRACE LINES
| CHECK D500 FOR LEAKAGE (WILL CHECK GOOD)
|
MAGNAVOX
| CG4712
| BRIGHT SCREEN W/RETRACE - SHORT VERT. - AUDIO IS NORMAL
| CHECK R510 FOR OPEN
|
MAGNAVOX
| CG4712
| DEAD SET BUT POWER LED COMES ON WHEN POWER BUTTON IS PUSHED
| CHECK/REPLACE Z408 FOR SHORT
|
MAGNAVOX
| CG4712
| INTERMITTENT SOUND OR FULL VOLUME WITH NO CONTROL
| CHECK/RESOLDER ALL CONNECTIONS ON THE BOTTOM OF THE 'IF' CAGE TO THE PCB.
|
MAGNAVOX
| CG4712
| POOR SOUND FROM LEFT SPKR WITH SOUND EXPAND ON
| REPLACE IC400 ON THE SAP BOARD
|
MAGNAVOX
| CG4712
| PICTURE SIZE VARIES BOTH HORZ. AND VERT.
| CHECK/REPLACE C421
|
MAGNAVOX
| CG4712
| DEAD SET
| CHECK/REPLACE T500 (HORZ. DRIVER XFRM)
|
MAGNAVOX
| CG4712
| PIX BREAKS UP,BLOOMS,AND VERT SIZE DECREASES
| CHECK Q406,Q407 AND Z436 FOR SHORTS
|
MAGNAVOX
| CG4712
| INTERMITTENT PIX-BLACKS OUT-AUDIO LEVEL DROPS
| CHECK ALL CONNECTIONS ON T500
|
MAGNAVOX
| CG4712
| STANDBY VOLTAGE IS TOO HIGH (22VDC) AND FULL POWER IS SLIGHTLY HIGH (132VDC) BUT NO HIGH VOLTAGE.
| CHECK/REPLACE Q500
|
MAGNAVOX
| CG4712
| PICTURE IS SHIFTED 8 TO 10 INCHES TO THE RIGHT - HORZ. BLANKING BAR IS IN THE CENTER OF THE SCREEN
| CHECK/REPLACE R501 AND R502 FOR OPEN
|
MAGNAVOX
| CG4712
| BRIGHT SCREEN WITH NO VIDEO - OSD LOOKS LIKE THE HORZ. PHASE IS OFF AS GRAPHICS ARE SHIFTED
| CHECK/REPLACE R501 OR R502 FOR OPEN
|
MAGNAVOX
| CG4712
| DARK PIX ON LEFT SIDE
| CHECK C508
|
MAGNAVOX
| CG4712
| POOR SOUND FROM LEFT SPEAKER WITH EXPANDED SOUND SWITCH ON.
| CHECK/REPLACE IC400 ON THE STEREO DECODER BOARD.
|
MAGNAVOX
| CG4712
| DEAD SET-POWER SUPPLY IS OK-NO HORZ. DRIVE
| CHECK IC201 AND Q500
|
MAGNAVOX
| CG4712
| STANDBY AND FULL POWER VOLTAGES TOO LOW
| CHECK/REPLACE Z436 FOR SHORT
|
MAGNAVOX
| CG4712
| DEAD SET--NO HORZ. DRIVE
| CHECK Q500
|
MAGNAVOX
| CG4712
| BRIGHT SCREEN W/RETRACE - SHORT VERT. - AUDIO IS NORMAL
| CHECK R510 FOR OPEN
|
MAGNAVOX
| CG4712
| NO PIX-RASTER AND SOUND OK
| CHECK C642 SHORTED
|
MAGNAVOX
| CG4712
| Q501 OVERHEATS/SHORTS--APPEARS FLYBACK SHORTED
| CHECK R503 (47 OHM) FOR OPEN OR HIGH RESISTANCE
|
MAGNAVOX
| CG4712
| BRIGHT SCREEN W/RETRACE - SHORT VERT. - AUDIO IS NORMAL
| CHECK R510 FOR OPEN
|
MAGNAVOX
| CG4712
| HERRINGBONE,VERT.JITTER,INT.COLOR,DOUBLE IMAGE
| CHECK/REPLACE IC201
|
MAGNAVOX
| CG4712
| SHUTDOWN,130V NOT REGULATING OR NOT HIGH ENOUGH
| CHECK IC201,IC580,Q400,SCR401,Q402,Q403,Q406,Q407,
|
MAGNAVOX
| CG4712
| INTERMITTENT BRIGHTNESS VARIATIONS
| CHECK/REPLACE R25 ON CRT BOARD
|
MAGNAVOX
| CG4712
| LOUD WHISTLE WHEN SET IS OFF-OTHERWISE NORMAL
| CHECK R430 (56 OHM) FOR OPEN
|
MAGNAVOX
| CG4712
| STANDBY VOLTAGE AT TP4 OK BUT THE FULL POWER 130VDC IS TOO LOW (29VDC)
| CHECK/REPLACE Q406
|
MAGNAVOX
| CJ4146
| SHORT VERT. SWEEP--ABOUT 1' TO 2'
| CHECK D554 FOR OPEN
|
MAGNAVOX
| CJ4146
| INTERMITTENTLY SHUTS OFF AND WHEN TURNED BACK ON, TV HAS RESET TO CHANNEL 3 (AS IF AC WAS REMOVED)
| CHECK/RESOLDER CONNECTIONS ON T471
|
MAGNAVOX
| CJ4146
| INTERMITTENTLY SHUTS OFF AND WHEN TURNED BACK ON, TV HAS RESET TO CHANNEL 3 (AS IF AC WAS REMOVED)
| CHECK/RESOLDER CONNECTIONS ON T471
|
MAGNAVOX
| CJ4146
| WASHED OUT VIDEO - COLORS SMEAR WHEN ADJUSTING THE CUTOFF CONTROLS
| CHECK/REPLACE Q641,Q642 AND Q643 FOR E-B SHORT
|
MAGNAVOX
| CJ4146
| AUD. OUT FAILURE--C211 TO 1uF C206 TO 470pF
| PARALLEL R202 W/470pF R207 10 OHM R213,214 130 OHM
|
MAGNAVOX
| CJ4146
| SHORT VERT. SWEEP--ABOUT 1' TO 2'
| CHECK D554 FOR OPEN
|
MAGNAVOX
| CJ4146
| REPEATED AUDIO OUTPUT FAILURES
| CHECK TWEETER FOR SHORT (IT SHOULD CHECK OPEN)
|
MAGNAVOX
| CJ4146
| SHORT VERT. SWEEP--ABOUT 1' TO 2'
| CHECK D554 FOR OPEN
|
MAGNAVOX
| CJ4147
| SHORT VERT. SWEEP--ABOUT 1' TO 2'
| CHECK D554 FOR OPEN
|
MAGNAVOX
| CJ4147
| INTERMITTENTLY SHUTS OFF AND WHEN TURNED BACK ON, TV HAS RESET TO CHANNEL 3 (AS IF AC WAS REMOVED)
| CHECK/RESOLDER CONNECTIONS ON T471
|
MAGNAVOX
| CJ4147
| WASHED OUT VIDEO - COLORS SMEAR WHEN ADJUSTING THE CUTOFF CONTROLS
| CHECK/REPLACE Q641,Q642 AND Q643 FOR E-B SHORT
|
MAGNAVOX
| CJ4147
| INTERMITTENTLY SHUTS OFF AND WHEN TURNED BACK ON, TV HAS RESET TO CHANNEL 3 (AS IF AC WAS REMOVED)
| CHECK/RESOLDER CONNECTIONS ON T471
|
MAGNAVOX
| CJ4147
| REPEATED AUDIO OUTPUT FAILURES
| CHECK TWEETER FOR SHORT (IT SHOULD CHECK OPEN)
|
MAGNAVOX
| CJ4147
| SHORT VERT. SWEEP--ABOUT 1' TO 2'
| CHECK D554 FOR OPEN
|
MAGNAVOX
| CJ4147
| AUD. OUT FAILURE--C211 TO 1uF C206 TO 470pF
| PARALLEL R202 W/470pF R207 10 OHM R213,214 130 OHM
|
MAGNAVOX
| CJ4712
| POOR VIDEO
| CHECK/REPLACE C249
|
MAGNAVOX
| CJ4712
| POWER SUPPLY GOES INTO SHUTDOWN AT POWER ON OR CHANNEL CHANGE OR SCENE CHANGES.
| CHECK/REPLACE R433 (115K) FOR CHANGE IN VALUE.
|
MAGNAVOX
| CJ4712
| POOR HORZ. HOLD,PIECRUSTING,BENDING,ETC.
| REPLACE AVJ034A001 JACK PANEL
|
MAGNAVOX
| CJ4712
| SNOWY RASTER AND AUDIO FROM ONE CHANNEL IS ALL THAT CAN BE HEARD - CHANNEL NUMBER DOES CHANGE
| CHECK/REPLACE TUNER OR PRESCALER IC INSIDE TUNER IC - (P/N# 483520987893)
|
MAGNAVOX
| CJ4712
| LOUD RUSHING SOUND W/RETRACE BEFORE GOING OUT
| CHECK Z300
|
MAGNAVOX
| CJ4712
| BEAT IN THE PICTURE
| CHECK/REPLACE R433
|
MAGNAVOX
| CJ4712
| SOUND INTERMITTENT AND ERRATIC ON SCREEN DISPLAY
| REPLACED D306
|
MAGNAVOX
| CJ4712
| NO VIDEO HAS JAIL BARS
| CHECK Z670,R673,D670,C680
|
MAGNAVOX
| CJ4712
| SECONDARY CONTROLS LOCK-UP AFTER 30 MINUTES OF OPERATION ALSO THE OSD GRAPHICS ROLL VERTICALLY
| CHECK/REPLACE D306
|
MAGNAVOX
| CJ4712
| WASHED OUT VIDEO - OSD GRAPHICS ARE PERFECTLY NORMAL
| CHECK/REPLACE Q641,Q642 AND Q643 FOR E-B SHORTS
|
MAGNAVOX
| CJ4712
| INTERMITTENT AUDIO
| REPLACED INDUCTOR L307
|
MAGNAVOX
| CJ4712
| REDUCED LDR RANGE AND LED BRIGHTNESS
| INSTALL 47K AT JUMPER B397-R91 2.4k R261 4.3k
|
MAGNAVOX
| CJ4712
| POOR AFT LOCK - ADJUSTING AFT DETECTOR HELPS BUT DOESN'T COMPLETELY CORRECT
| CHECK/REPLACE Y200 SAW FILTER (P/N# 483515497068)
|
MAGNAVOX
| CJ4712
| HIGH VOLTAGE PULSATES ON/OFF - NO PICTURE AND 130v B+ IS LOW
| CHECK/REPLACE IC550 (LA7831) AND R445 (1 @ 1/2w)
|
MAGNAVOX
| CJ4712
| TV CYCLING ON AND OFF
| CHECK FOR SHORTED VERTICAL OUTPUT IC LOADING DOWN
|
MAGNAVOX
| CJ4712
| POP OR CHIRP IN THE AUDIO AT TURN OFF
| CHECK FOR A 0.1uF AT PIN #6 OF IC (COUPLING CAP.)
|
MAGNAVOX
| CJ4712
| BRIGHT SCREEN WITH RETRACE LINES,NO SOUND OR PIX AND SET CANNOT BE SHUT OFF - NO KEYBOARD FUNCTIONS
| CHECK/REPLACE Z300 (MAY CHECK GOOD BUT LEAKY)
|
MAGNAVOX
| CJ4712
| WEAK VIDEO IN PICTURE
| CHECK/REPLACE C249 FOR SHORT
|
MAGNAVOX
| CJ4712
| DEAD SET
| CHECK Q420,R430 AND D448
|
MAGNAVOX
| CJ4712
| HORZ. WAVE FLOATING THROUGH PICTURE
| SEE SERVICE BULLETIN NOV/DEC 1988 ISSUE 6
|
MAGNAVOX
| CJ4712
| SET DEAD
| REPLACED INTERGRATED CIRCUIT IC550
|
MAGNAVOX
| CP4570
| NO VERTICAL SWEEP
| CHECK/REPLACE R445
|
MAGNAVOX
| CP4570
| NO PICTURE - HAS OSD AND SOUND - PICTURE MAY COME IN IF THE PIP BUTTON IS PRESSED ON REMOTE - SET DEFAULTS TO SPANISH
| CHECK/REPLACE IC351 (P/N# 483520947113)
|
MAGNAVOX
| CRK120
| NO SOUND OR PICTURE - BUZZING SOUND FROM SWITCHING XFRM. - HIGH VOLTAGE BEINGS TO COME UP THEN SHUTS DOWN
| CHECK/REPLACE C916 (P/N# SBTP-0038)
|
MAGNAVOX
| CS4538
| NO VERTICAL SWEEP - POSSIBLY REPEATED FAILURE
| CHECK/REPLACE D445 (P/N# ECG552) ,R445 (1 1/2w.) AND IC550 (P/N# LA7831)
|
MAGNAVOX
| CS4744P4
| NO VERTICAL SWEEP - R445 BURNS UP AND IC550 GETS HOT AND SHORTS REPEATEDLY.
| CHECK/RESOLDER CONNECTIONS ON C447 AND REPLACE R445 (1 ), D445 (SUB # ECG552) AND IC550 (LA7831)
|
MAGNAVOX
| CS4744P4
| SET WILL NOT SHUT OFF
| CHECK/REPLACE Q400 (P/N# TIP47)
|
MAGNAVOX
| CS5160
| NO VERTICAL SWEEP
| CHECK/REPLACE R445
|
MAGNAVOX
| CX4010
| DARK PICTURE OR NO PICTURE
| CHECK/REPLACE C2 FOR SHORT ON CRT BOARD
|
MAGNAVOX
| CX4010
| LOSS OF THE HOTEL-MOTEL MODE
| REPLACE IC350
|
MAGNAVOX
| CX4010
| HORZ. TEARING -- SET TRIES TO FOLDOVER IN THE CENTER
| CHECK/REPLACE R502 (47k)
|
MAGNAVOX
| CX4010
| NO AUDIO
| CHECK/REPLACE R231 (15 1/4w)
|
MAGNAVOX
| CX4010
| NO SOUND BUT PICTURE IS FINE
| CHECK/REPLACE R231 FOR OPEN
|
MAGNAVOX
| CX4010
| HIGH VOLUME WITH NO CONTROL--SHORT VERT SWEEP
| CHECK/REPLACE IC450 (12V REGULATOR)
|
MAGNAVOX
| CX4010
| DEAD SET - APPEARS TO HAVE NO START-UP VOLTAGE
| CHECK/REPLACE Q422 AND Q330
|
MAGNAVOX
| CX4010
| FLYBACK CHATTERS - NO SOUND OR PIX - ALL SCAN SUPPLIES LOW
| CHECK/REPLACE Q421,Q422 OR Z422 FOR LEAKAGE OR BREAKING DOWN UNDER LOAD
|
MAGNAVOX
| CX4010
| SET TURNS ON BY ITSELF OR CANNOT BE TURNED OFF
| CHECK/REPLACE D414 FOR LEAKAGE USE 483513037048)
|
MAGNAVOX
| CX4010
| POP IN AUDIO AT TURN ON/OFF
| CHECK FOR PRESENCE OF C602 (.047)-REPL. IF ITS .47
|
MAGNAVOX
| EM4019
| NARROW RASTER - MAY ALSO HAVE FAINT JAILBARS
| CHECK/REPLACE C508 WITH 10nF @ 50v (P/N# 483512147461)
|
MAGNAVOX
| EM5019
| WON'T SHUT OFF AND R432 BURNT
| CHECK/REPLACE IC410 (P/N# 483520947056 OR STR30130) AND R432 (P/N# 483511657582 OR 1K 1/2watt)
|
MAGNAVOX
| EMK872
| DEAD SET-NO POWER-FUSES ALL OK
| CHECK R471 FOR OPEN
|
MAGNAVOX
| EMK872
| REPEATED AUDIO OUTPUT FAILURES
| CHECK TWEETER FOR SHORT (IT SHOULD CHECK OPEN)
|
MAGNAVOX
| EMK872
| NO PICTURE - SOUND OK - HV OK
| CHECK/REPLACE T501 (P/N# 483514887065)
|
MAGNAVOX
| EMK872
| NO COLOR
| CHECK/REPLACE Q640
|
MAGNAVOX
| EMK872
| WASHED OUT VIDEO - COLORS SMEAR WHEN ADJUSTING THE CUTOFF CONTROLS
| CHECK/REPLACE Q641,Q642 AND Q643 FOR E-B SHORT
|
MAGNAVOX
| EMK872
| NO START UP - DEAD SET
| CHECK/RESOLDER CONNECTIONS ON R450 AND R452 ALSO CHECK/REPLACE IC400 (P/N# STR30130)
|
MAGNAVOX
| EMK872
| NO START UP - DEAD SET
| CHECK/RESOLDER CONNECTIONS ON R450 AND R452 ALSO CHECK/REPLACE IC400 (P/N# STR30130)
|
MAGNAVOX
| EMK872
| AUD. OUT FAILURE--C211 TO 1uF C206 TO 470pF
| PARALLEL R202 W/470pF R207 10 OHM R213,214 130 OHM
|
MAGNAVOX
| EMK872
| DEAD SET-NO POWER-FUSES ALL OK
| CHECK R471 FOR OPEN
|
MAGNAVOX
| EMK872
| SET GOING INTO SHUTDOWN
| CHECK IC400
|
MAGNAVOX
| EMK872
| NO VIDEO
| CHECK/REPLACE D640
|
MAGNAVOX
| EMK872
| NO COLOR
| CHECK/REPLACE R638
|
MAGNAVOX
| EMK872
| NO VIDEO
| CHECK/REPLACE Y609
|
MAGNAVOX
| EMK872
| NO PICTURE - SOUND OK - HV OK
| CHECK/REPLACE T501 (P/N# 483514887065)
|
MAGNAVOX
| EMK872
| SNOWY RASTER AND AUDIO FROM ONE CHANNEL IS ALL THAT CAN BE HEARD - CHANNEL NUMBER DOES CHANGE
| CHECK/REPLACE TUNER OR PRESCALER IC INSIDE TUNER IC - (P/N# 483520987893)
|
MAGNAVOX
| EMK872
| HORZ. FREQUENCY DRIFTS
| CHECK/REPLACE R247
|
MAGNAVOX
| EMK882
| REPEATED AUDIO OUTPUT FAILURES
| CHECK TWEETER FOR SHORT (IT SHOULD CHECK OPEN)
|
MAGNAVOX
| EMK882
| NO START UP - DEAD SET
| CHECK/RESOLDER CONNECTIONS ON R450 AND R452 ALSO CHECK/REPLACE IC400 (P/N# STR30130)
|
MAGNAVOX
| EMK882
| NO VIDEO
| CHECK/REPLACE D640
|
MAGNAVOX
| EMK882
| NO VIDEO
| CHECK/REPLACE Y609
|
MAGNAVOX
| EMK882
| DEAD SET-NO POWER-FUSES ALL OK
| CHECK R471 FOR OPEN
|
MAGNAVOX
| EMK882
| AUD. OUT FAILURE--C211 TO 1uF C206 TO 470pF
| PARALLEL R202 W/470pF R207 10 OHM R213,214 130 OHM
|
MAGNAVOX
| EMK882
| SNOWY RASTER AND AUDIO FROM ONE CHANNEL IS ALL THAT CAN BE HEARD - CHANNEL NUMBER DOES CHANGE
| CHECK/REPLACE TUNER OR PRESCALER IC INSIDE TUNER IC - (P/N# 483520987893)
|
MAGNAVOX
| EMK882
| SET GOING INTO SHUTDOWN
| CHECK IC400
|
MAGNAVOX
| EMK882
| NO START UP - DEAD SET
| CHECK/RESOLDER CONNECTIONS ON R450 AND R452 ALSO CHECK/REPLACE IC400 (P/N# STR30130)
|
MAGNAVOX
| EMK882
| HORZ. FREQUENCY DRIFTS
| CHECK/REPLACE R247
|
MAGNAVOX
| EMK882
| NO COLOR
| CHECK/REPLACE R638
|
MAGNAVOX
| EMK882
| DEAD SET-NO POWER-FUSES ALL OK
| CHECK R471 FOR OPEN
|
MAGNAVOX
| EMK882
| NO PICTURE - SOUND OK - HV OK
| CHECK/REPLACE T501 (P/N# 483514887065)
|
MAGNAVOX
| EMK882
| WASHED OUT VIDEO - COLORS SMEAR WHEN ADJUSTING THE CUTOFF CONTROLS
| CHECK/REPLACE Q641,Q642 AND Q643 FOR E-B SHORT
|
MAGNAVOX
| EMK882
| NO PICTURE - SOUND OK - HV OK
| CHECK/REPLACE T501 (P/N# 483514887065)
|
MAGNAVOX
| EMK882
| NO COLOR
| CHECK/REPLACE Q640
|
MAGNAVOX
| EML892
| INTERMITTENT AUDIO
| REPLACED INDUCTOR L307
|
MAGNAVOX
| EML892
| BRIGHT SCREEN WITH RETRACE LINES,NO SOUND OR PIX AND SET CANNOT BE SHUT OFF - NO KEYBOARD FUNCTIONS
| CHECK/REPLACE Z300 (MAY CHECK GOOD BUT LEAKY)
|
MAGNAVOX
| EML892
| POOR AFT LOCK - ADJUSTING AFT DETECTOR HELPS BUT DOESN'T COMPLETELY CORRECT
| CHECK/REPLACE Y200 SAW FILTER (P/N# 483515497068)
|
MAGNAVOX
| EML892
| POOR VIDEO
| CHECK/REPLACE C249
|
MAGNAVOX
| EML892
| POP OR CHIRP IN THE AUDIO AT TURN OFF
| CHECK FOR A 0.1uF AT PIN #6 OF IC (COUPLING CAP.)
|
MAGNAVOX
| EML892
| LOUD RUSHING SOUND W/RETRACE BEFORE GOING OUT
| CHECK Z300
|
MAGNAVOX
| EML892
| REDUCED LDR RANGE AND LED BRIGHTNESS
| INSTALL 47K AT JUMPER B397-R91 2.4k R261 4.3k
|
MAGNAVOX
| EML892
| DEAD SET
| CHECK Q420,R430 AND D448
|
MAGNAVOX
| EML892
| POWER SUPPLY GOES INTO SHUTDOWN AT POWER ON OR CHANNEL CHANGE OR SCENE CHANGES.
| CHECK/REPLACE R433 (115K) FOR CHANGE IN VALUE.
|
MAGNAVOX
| EML892
| SECONDARY CONTROLS LOCK-UP AFTER 30 MINUTES OF OPERATION ALSO THE OSD GRAPHICS ROLL VERTICALLY
| CHECK/REPLACE D306
|
MAGNAVOX
| EML892
| HORZ. WAVE FLOATING THROUGH PICTURE
| SEE SERVICE BULLETIN NOV/DEC 1988 ISSUE 6
|
MAGNAVOX
| EML892
| POOR HORZ. HOLD,PIECRUSTING,BENDING,ETC.
| REPLACE AVJ034A001 JACK PANEL
|
MAGNAVOX
| EML892
| TV CYCLING ON AND OFF
| CHECK FOR SHORTED VERTICAL OUTPUT IC LOADING DOWN
|
MAGNAVOX
| EML892
| NO VIDEO HAS JAIL BARS
| CHECK Z670,R673,D670,C680
|
MAGNAVOX
| EML892
| WASHED OUT VIDEO - OSD GRAPHICS ARE PERFECTLY NORMAL
| CHECK/REPLACE Q641,Q642 AND Q643 FOR E-B SHORTS
|
MAGNAVOX
| EML892
| BEAT IN THE PICTURE
| CHECK/REPLACE R433
|
MAGNAVOX
| EML892
| WEAK VIDEO IN PICTURE
| CHECK/REPLACE C249 FOR SHORT
|
MAGNAVOX
| EML892
| SET DEAD
| REPLACED INTERGRATED CIRCUIT IC550
|
MAGNAVOX
| EML892
| SOUND INTERMITTENT AND ERRATIC ON SCREEN DISPLAY
| REPLACED D306
|
MAGNAVOX
| EML892
| HIGH VOLTAGE PULSATES ON/OFF - NO PICTURE AND 130v B+ IS LOW
| CHECK/REPLACE IC550 (LA7831) AND R445 (1 @ 1/2w)
|
MAGNAVOX
| EML892
| SNOWY RASTER AND AUDIO FROM ONE CHANNEL IS ALL THAT CAN BE HEARD - CHANNEL NUMBER DOES CHANGE
| CHECK/REPLACE TUNER OR PRESCALER IC INSIDE TUNER IC - (P/N# 483520987893)
|
MAGNAVOX
| EMX862
| REPEATED AUDIO OUTPUT FAILURES
| CHECK TWEETER FOR SHORT (IT SHOULD CHECK OPEN)
|
MAGNAVOX
| EMX862
| SHORT VERT. SWEEP--ABOUT 1' TO 2'
| CHECK D554 FOR OPEN
|
MAGNAVOX
| EMX862
| WASHED OUT VIDEO - COLORS SMEAR WHEN ADJUSTING THE CUTOFF CONTROLS
| CHECK/REPLACE Q641,Q642 AND Q643 FOR E-B SHORT
|
MAGNAVOX
| EMX862
| AUD. OUT FAILURE--C211 TO 1uF C206 TO 470pF
| PARALLEL R202 W/470pF R207 10 OHM R213,214 130 OHM
|
MAGNAVOX
| FP2790A101
| SET WILL NOT SHUT OFF
| CHECK/REPLACE Q400 (P/N# TIP47)
|
MAGNAVOX
| FP2790A101
| NO VERTICAL SWEEP - R445 BURNS UP AND IC550 GETS HOT AND SHORTS REPEATEDLY.
| CHECK/RESOLDER CONNECTIONS ON C447 AND REPLACE R445 (1 ), D445 (SUB # ECG552) AND IC550 (LA7831)
|
MAGNAVOX
| GM5019
| WON'T SHUT OFF AND R432 BURNT
| CHECK/REPLACE IC410 (P/N# 483520947056 OR STR30130) AND R432 (P/N# 483511657582 OR 1K 1/2watt)
|
MAGNAVOX
| HD1305
| WILL NOT TUNE ANY CHANNELS
| CHECK/REPLACE R360/R361 (15k 1/2w.) AND Z361 (33v ZENER)
|
MAGNAVOX
| HD1305
| REPEATED HORZ. OUTPUT FAILURE
| CHANGE Q501 WITH (483513041782), R502 W/2k (483511657409), INSTALL C509 (483512247008) & DIODE/RES. KIT (483521957539)
|
MAGNAVOX
| HD1306
| NO OR LOW VOLUME
| BEFORE TROUBLESHOOTING FOR AN AUDIO PROBLEM, CHECK THE VOLUME LIMITER SETTINGS IN THE MENU OPTIONS
|
MAGNAVOX
| HD1306C1
| LOW OR NO VOLUME
| CHECK THE VOLUME LIMITER--USING REMOTE,PRESS 07,20,91,MENU ADJUST VOL. FOR A DESIRED MAX. AND PRESS STATUS/EXIT
|
MAGNAVOX
| HD1320
| DARK PICTURE OR NO PICTURE
| CHECK/REPLACE C2 FOR SHORT ON CRT BOARD
|
MAGNAVOX
| HD1320
| SET WILL NOT SHUT OFF
| CHECK/REPLACE Q400 (P/N# TIP47)
|
MAGNAVOX
| HD1320
| NO VERTICAL SWEEP - R445 BURNS UP AND IC550 GETS HOT AND SHORTS REPEATEDLY.
| CHECK/RESOLDER CONNECTIONS ON C447 AND REPLACE R445 (1 ), D445 (SUB # ECG552) AND IC550 (LA7831)
|
MAGNAVOX
| HD1321C4
| SET WILL NOT SHUT OFF
| CHECK/REPLACE Q400 (P/N# TIP47)
|
MAGNAVOX
| HD1321C4
| NO VERTICAL SWEEP - R445 BURNS UP AND IC550 GETS HOT AND SHORTS REPEATEDLY.
| CHECK/RESOLDER CONNECTIONS ON C447 AND REPLACE R445 (1 ), D445 (SUB # ECG552) AND IC550 (LA7831)
|
MAGNAVOX
| HD1900
| DEAD SET BUT DOES TICK A FEW SECONDS WHEN PLUGGED IN
| CHECK D413 FOR SHORTS
|
