PHT5000 TV Repair: Common Faults and Solutions.
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Results: 2
PHT5000 Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| PHILCO | PHT5000 | Does not turn on, only battery charging LED lights up | Capacitor c93 in the fm module circuit shorted | Tsound was a short in capacitor c93 on the display board, shorting the entire line that has two diodes (d14 and d13) and a coil (l9) leaving the device completely inoperative, I lifted the capacitor and the short disappeared, for anyone who wants to see In the schematic, I didn't find the PHT5000 schematic, but in the PHT3000 schematic that is sound at electronica-pt, the IC of the FM module is the RDA5807M, the capacitor C93 is 18PF. | Vandeko_bass |
| PHILCO | CAIXA DE SOM PHT5000 HP00068A | Turning off after supposed power outage. | Right away, I saw that the power supply responsible for charging the battery was inoperative. | When reviewing the power supply PCI, hp00068a (same as the pht3000 and tsound is a diagram at electronia.pt) I found the photo coupler shorted between pins 1 and 2, for this reason I replaced the 431 and the lm 358, it still didn't work. good primary It had +b and pwm power arrived, I replaced the ob2273m with an equivalent and it worked, it generated 14.5 volts on the secondary, I connected it to the box system and it stabilized at 13.5 volts. resolved! pht5000 box ok!!! | Giovani PiresBitencourt |