Saturday, March 5, 2011

Resolve PHILIPS TV problem and Tips to Repair

PHILIPS



Size Model Chassis Symptom Problem Description Fix
PTV780AH01PTV780audiopoor audio on one channel, no audio on othersIC120 and surronding .15uF/63V mylar caps
19CCT190AT01PowerNo power up, relay clicks, hi voltage up then back downIC603 (5V regulator, 4835-209-88129, ICG1960)
2525TSC6-101 25B5Dark Screen Dark Screen CRT Rejuvenated, also turned up screen voltage
25Scrolling Lines Horizontal Lines Scrolling up/down on the screen Replaced filter capacitor
2727PT5445/37L03.1UAAVideoVertical foldover about 3/4 of the screen. Then shutdownC2463 (10uF/160v, near vert output transistors), D6460 (SMD located under C2463)
2727PT6441/37L04.1UAAVideoVertical foldover at top of screenC2465 (10uF/100V), if still not working replace D6457 (SMD)
2727PT6441/37L04.1UAAPowerBlows Fusedeguassing thermister 3525 (#2122-6630-0019)
27TS2744 C103 27B8White picture Burnt Resistor on CRT neck board R58 (22 Ohms)
3232PT563SL01.1UACPowershuts down in 10 secondsC2463 (680pF/2KV, #4835-122-47584), C2455 (47uF/50V)
3232PT663R37L01.1UACPowershutdownD6447 (1N4148), R3451 (3.9ohm), C2455 in horz drive
3232PT663R37A L01.1UACShuts Down Shuts off as soon as picture turns on R3451, D6447, adjust Screen to just below retrace lines.
4242PW99-6217 FTV1.5U No Picture Redish Vertical Lines for 2 seconds at startup Replace PDP, cost prohibitive to replace, junked
5050MF231D/37PlasmaPowerWon't start, or starts intermittentlyC8059=C8060 (3300uF/10V, in power supply)
5050PP920217DPTV305VideoVideo gets dark as set warms upReplace the HDR board
5050PP920217DPTV305VideoPicture gets darker as it warms up, and eventually flickers on and offIC7212 (T1431/AN1431, 3 pin regulator on standby supply module), optoisolator 7213 (NTE3041)
5555PP9352/17DPTV310Videopic gets darker from left side as warms up, then on and offHDR module
607P6030-W101 dead Clicks On then Off HOT (2sd2539)
L04.1UVideoVideo shifted to RightC2486 (27pF/500V ceramic)
P1PowerPower Supply drifts from 130VR428, IC400, Z430
P1PowerSet won't power offIC402 (optoisolator, ECG3041)

Source : http://www.riddledtv.com/repair/philips.html

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