| Make | Model | Problem | Solution | Date |
| | | |
| Found: 6
|
| Hitachi | 50FX30B | I have a Hitachi 50FX30B rear projection set that won't power on, no power LED on fornt panel. It started shutting down after playing for a little while (or being unplugged) but now nothing at all, except a click when you turn it on.
There is a serie | Hi, If your led`s don`t stay lit your set has a short, check all of the
little chemical fuses near the led`s one or more are open, once you
find the open fuse that`s the line with the shorted part on it, I would
say without some experience with tv repair your probably not going
to be able to fix it yourself, time to call a tech, | 23-06-05 |
| LG | CF25A50F | Field mod when FOPTr has blown | Fit TDA8350Q & use heatsink compound as well as the grey thermal transfer pad between the chip & the heatsink. Change C352 to 22mfd (was 47mfd) 50 volts Change C708 to 22mfd (was 47mfd) 100volts . This is located to the left of the LOPT on the 45 volts rail. Change FR359 to 22ohms half watt fuse resistor (was 10 ohms) This is also located to the left of the LOPT on the 45 volts.
rail. Add a 0.01 mfd cap on pins 8 & 9 of the frame chip & 0.1mfd between pins 7 & 8 (both 100volts) | 14-09-04 |
| LG | CF25A50F | Reverts to st/by aft 2-3 secs, HT drops to 60v | IC351 FOP chip TDA8350Q & FR350 10R fusible | 14-09-04 |
| LG | CI14B50F 11.1 | St/by only - no line dr | No 12v supply to line dr trfmr Tr101. Check back from pin 15 chopper trfmr - R410 0R1 o/c & dry joints chopper trfmr | 14-09-04 |
| Matsui | 14TR50 F series | Sound but no raster at sw on thens shuts down with LED flashing every 4 secs | ReplaceR909, R913, R922 180K on tube base, D901 6.2V zener, 100k or could be 180K on tube base, R404 270K on main board. | 14-09-04 |
| Wharfedale | 550FTB | SCART I/p has no sync - sound ok | TDA8361A replaced & resolder scart | 14-09-04 |