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TV Repair Tips

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Size Model Chassis Symptom Problem Description Fix
13DS13030 AudioSound not loud enough and distortedC151 (.01uF), also resolder T151 and X151
13DS13030 AudioAudio very low and mutes if turned upT151 (#610-037-7615)
19DP19647zzPowerDeadC220 (1000uF/10V), C228 (1000uF/10V), C221 (470uF/25V), C226 (1000uF/25V), C223 (220uF/25V)
19DS19010 Audiono audioT151 (#610-037-6751)
19DS19310 AudioAudio is scratchy or intermittentC133 (.01uF SMD), resoldered area around sound IF
19DS19530 AudioNo AudioResolder T151
19DS19539 Audiono audio at low setting, distorted at high volumeR623 (150k, near Q621)
19DS19630  Power Completely Dead Replace audio IC (TDA7231)
19DS19630  AudioNo audio or very low audioAdjust FM-DET coil, T131
19DS19730 AudioNo audio, might have static off stationT131 (#6100377615)
20CLT2054zzVideoBrightness fluctuates ever second or sobad caps in power supply (1000uF/16V)
21AVM2052zzVideoPicture is black at the top and bottomC452 (1uF/50V)
21DS20930 AudioAudio low and distortedC151 (0.01uF), T151 (Detector), X151 (Bandpass)
25DS24424 PowerDead, no standby voltage Q601 (2sk2638), Q612 (2SA984), Q613 (2SC2274), R615 (0.47ohm/ 2W), R611 (10ohm/0.5W), R617 (680ohm/0.5W)
25DS25030 AudioNo AudioIC101 (LA7655N)
25DS25030 Audiopopping and static in audioIC101 (LA7655)
25DS25031 VideoNo colorC321 (.015/50V)
25DS25230 Audiono audio or distortedAdjust or replace T151 and Check R608
27AVM-2758G  Tuner Tuner channel looks like an old scrambled TV channel Replace R106 (27kOhm Resistor) near IC601
27DS27425 PowerRelay chatters, then shuts downC488 (470uF/16V)
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Warning

: Don't kill yourself.  If you do, don't blame us...  We totally warned you.  These tips are intended for qualified service technicians that know what they're doing.  Unqualified persons should never service their own equipment.  Televisions contain very high voltage that could kill you.