GRUNDIG 80 Repair Tips
Search: 80 GRUNDIG
Results 21
Results 21
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Grundig | ST82-675/9 TOP CUC6380 | Dead set, Tripping | LOPTX short circuit between most pins! | ||
| Grundig | CUC2080 | After replacment of FBT, the set starts and reverts to standby mode immediately. If the Crt heater is fed by an external transformer i.e. 6 V. a/c, the screen will show a very weak light, except in the corners | 13V. was present on pin 11 of V. output IC TDA8350Q during the brief moment when the set tried to start. The TDA8350Q was found to be defective and was replaced. Don't forget to check +A voltage after replacing the FBT | ||
| Grundig | M70-495 CUC-3800 | Dead set | I replaced the BU546 transistor in the power supply and resoldered some paths on the PCB. An intermittent soldering path to the collector of the transistor was the reason for the destroyed BU546 | ||
| Grundig | M82-795 CUC7880 | Dead, 800mA fuse blown | Check for dry joints on the chopper transformer also check D663, D664, D666, C653 4.7nF and C667 2.2uF | ||
| Grundig | M70-490/9 TEXT CUC3800 | No sound, picture ok | When shifting up the channel frequency using the fine tuning, a very weak sound could be heard. Replaced the sound IF demodulator chip U2829BIC2110 | ||
| Grundig | CUC3800 | PICTURE DARK ON LEFT HAND SIDE BRIGHT ON RH SIDE | C2582 1uF ON PIN 15 TDA3505 DRIED UP AND OC | ||
| Grundig | CUC3800 | No sound - multistandard TV on wrong setting | On front panel press"N", select 0,1,2,3 or 4 with P+/- buttons. Each no. refers to a different std. Press "M" to store | ||
| Grundig | CUC3800 | No sound - just hiss | IC2110 U2829B sound IF demod chip on sound IF stereo board | ||
| Grundig | CUC3800 | No sound | IC2210 U2829B - fit same type as replacement | ||
| Grundig | CUC3800 | Int switches to SECAM . | C507 100uF 25v. Connects to pin 2 TDA8140 line drive IC. | ||
| Grundig | CUC3800 | EW fault aft tripler replacement | R571 4R7 & IC555 E/W chip | ||
| Grundig | CUC3800 | Dark on left, bright on RH side | C2582 1ยต faulty - lum signal decoupler to pin 15 TDA3505 chip | ||
| Grundig | CUC2800 | The tripler had failed. After replacing it the set | Microcontroller chip type SDA2011 -AOO5 . Make sure that you get the right one for the set. | ||
| Grundig | CUC2800 | Sound low & dist | U2829B IC sound chip | ||
| Grundig | CUC2800 | Sound from one chan only & no brill adj | Micro SDA2011-A005 faulty | ||
| Grundig | CUC2800 | No sound | Check TDA6200 sound proc & U2829B sound dem chip | ||
| Grundig | CUC2800 | Dead - psu working ok | Relay contacts | ||
| Grundig | CUC2800 | Arcing from LOPTx former to adjacent components | Tripler faulty | ||
| Grundig | CUC2080 | turns on but goes to SB after a second | TDA8350Q + R54012 1Ohm +R50011 33ohm. | ||
| Grundig | CUC2080 | No power | IRFPC50 s/c and 270K (connected to pin 2 of TDA5605-3 |