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TV Repair Tips
PHILIPS
| Size |
Model |
Chassis |
Symptom |
Problem Description |
Fix |
| 50 | 50PP920217 | DPTV305 | Video | Picture gets darker as it warms up, and eventually flickers on and off | IC7212 (T1431/AN1431, 3 pin regulator on standby supply module), optoisolator 7213 (NTE3041) |
| 55 | 55PP9352/17 | DPTV310 | Video | pic gets darker from left side as warms up, then on and off | HDR module |
| 60 | 7P6030-W101 | | dead | Clicks On then Off | HOT (2sd2539) |
| | PTV835 | | Video | cannot adjust convergence | C2055, IC1007 (1A/250V) |
| | PTV835 | | Video | cannot adjust convergence | C2052 (.1uF mylar), F1007 (1A/250V) |
| | | L04.1U | Video | Video shifted to Right | C2486 (27pF/500V ceramic) |
| | | M8 | Power | turns on, then right back off | IC7901 (AN7522) |
| | | P1 | Power | Power Supply drifts from 130V | R428, IC400, Z430 |
| | | P1 | Power | Set won't power off | IC402 (optoisolator, ECG3041) |
| | | P1 | Power | Startup not working | Q420 (#6105590K01), R427, R428, C430, R429, IC400, IC401, IC402 |
| | | P1 | Dead | Dead, No Relay Click, no standby voltages | C423, C459, C435, C382 |
| | | P1 | Dead | Dead, no sound or pic | R424 (0.27ohm), C430 (1000uF/400V), Q420 (#4835-130-47062) |
| | | P1 | Dead | Dead, no relay click | R424 (0.27ohm, .5W), IC401 (#4835-209-87071) |
| | | P1 | Dead | Dead | Q502 (HOT), C505 (680pF/2kV) |
| | | P1 | Dead | Dead, board burned around D430 | D430, Q420, C430, R429, R424 |
| | | P1 | Power | set will not turn off | first replace optoisolator (#483513097005), if not fixed, check: Z430, C421, C430, R427, R428, Q433 and IC400. |
| | | P1 | Power | shuts down when turned on | R430 (110kohm) |
| | | P1 | Power | standby 5V takes a long time to come up | C456, C459, C441, C423 |
| | | P1 | Power | Dead, relay clicks | C505 (470pF/2kV), R429 (24ohm,3W), C430 (1000pF/400V poly), D430 (#4835-130-37061) |
| | | P1 | Power | Dead set | C505, C430, D430, R429, R424, switching FET |
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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. |
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