PHILIPS TV Repair: Common Faults and Solutions.


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PHILIPS Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
PHILIPSCP90
Tuning drift on higher channels.Mod
PHILIPSCP90
Top of pic flickers to one sideC2044 1µ 63v, c2045 22µ 35v, c2073 33µ 16v, c2087 1µ 63v, c2093 22µ 35v, c2098 1µ 63v in if unit
PHILIPSCP90
Tearing pic on high contrast & tuner driftC2638 470µ 16v (14v smoother) o/c
PHILIPSCP90
Stuck in standby.4
PHILIPSCP90
St/by onlyNo clock run at micro as d6934 leaky
PHILIPSCP90
Sound faultsHum - replace c2102 & 2113 470µ 25v, int sound check cf1103 cer filter. no sound - check l5108 for o/c
PHILIPSCP90
Sound distorted and lowCheck headphone socket
PHILIPSCP90
Sound - loud buzz in standby.Replace thyrister d6726.
PHILIPSCP90
Sometimes no soundCheck/replace bus bu 5 (4822 267 60188)
PHILIPSCP90
Slow to come on (1/2 hr)100µ cap on sub panel low cap (not shown on cct)
PHILIPSCP90
Set switches off - ok if put back on.Ic microcontroller ic.
PHILIPSCP90
Set goes dead supply drops to 20v , pin 14 micro iSuspect micro putting set in stby
PHILIPSCP90
Set does not come out of standby.Audible noise, whistle or motorboating, whilst set in standby. check/replace r3670 - 22Ω, d6670 - 1n4148 (4822 130 33939).
PHILIPSCP90
Set dead no oscillation on pins 31 + 32 ic78404, 2935 loved ones
PHILIPSCP90
Servicing the cp90 chassisSee tv mag mar 1993
PHILIPSCP90
RollingTda2579 on if/sync panel
PHILIPSCP90
Remote control failsRc5-signal on pin 9 ic 7960 not present, +4,9 v on pin 8 ic 7960 present check/replace ic 7960 (tda 3047; 4822 209 72364) and check/replace d 6960 (bpw 50; 4822 130 32376)
PHILIPSCP90
Reduced widthD6609 d/j & r3600 ( 8r2 ) o/c
PHILIPSCP90
Raster - blank with no sound.D6733 ( bav19 ) o/c.
PHILIPSCP90
Range of remote control limitedR/c receiver chip tda3047 u/s