| Make | Model | Problem | Solution | Date |
| | | |
| Found: 326
|
| Akai | CT2137 | Field scan only I" | No 33v via R442 - 5R16 8k2 o/c | 14-09-04 |
| Akai | CT2137UKT | No sound except hiss - ok through scart | when a 6Mhz resonator was fitted in vacant place 30F1 sound ok | 14-09-04 |
|
|
| Akai | CT2137UKT | Vision buzz | Remove digital transistor 9tr9 | 14-09-04 |
| Alien | 3711 PT92 | Sound system changing - enter service mode | Press Text sub page key on r/c whilst holding Vol down button on TV. Using Prg + & - key to navigate thru settings to Option Byte 1. Sound systems appear - at right of each is 0 or 1, press Vol- & + keys to alter settings for PAL I to 1. Press TV on R/C to exit & store. Press & HOLD menu on r/c till the OVERVIEW menu appears, press menu once more until INSTALLATION menu appears. Navigate to sound setting & use Vol - & + keys to alter to PAL-I for UK sound STORE by using Vol + | 14-09-04 |
| B & O | 3707 | Int trip at sw on | C26 22µ o/c | 14-09-04 |
| B & O | 3726 | Black band across pic at sw on | C44, C45 100mfd 63v | 14-09-04 |
| B & O | 3726 | St/by only | C29 100mfd 63v | 14-09-04 |
| B & O | 3726 | When cold it comes on with the bottom up by 1 inch, slight flyback lines and unlocked
text. The fault clears after 5 minutes, but no amount of freezing will bring it back, you have to switch off for 10 minutes.
| C45 (100µF/40V) which didn't look good
on the ESR meter!
| 14-09-04 |
| B & O | 37XX | Flashing black lines - int | 1TR11 tuner /IF pcb leaky int | 14-09-04 |
| B & O | 37XX | Lack of height | 10v supply to fop cct low at 9v - D32 6v2 zener leaky | 14-09-04 |
| B & O | 37XX | No line sync | TDA1940 26IC5 - no sync out at pin 9 | 14-09-04 |
| B & O | 37XX | No start up | Check for dry joints & Q3 in psu | 14-09-04 |
| B & O | 37XX | No Txt or osd etc | 8IC1 shift reg chip 4015 | 14-09-04 |
| B & O | 37XX | Width reduced | C32 1n5 1.5kv o/c | 14-09-04 |
| B & O | 37XX | Frame - reduced height | D32 6.2v zener leaky. | 14-09-04 |
| B & O | LX2500 37XX | NO STBY LED SET STUCK IN STBY | C14 470uF 16v OC | 14-09-04 |
| B & O | LX2800 37XX | Sync - poor sync. | 26IC5 ( TDA1940 ) | 14-09-04 |
| B & O | LZ5000 3766 | Won't work on batt - ok on mains | Aux sw behind mains sw contacts needed resetting - make sure battery supply is adequate | 14-09-04 |
| Bush | WS6673 11AK37 | Width excessive | C622 12nF 350v s/c | 14-09-04 |
| Contec | KTN3732 | Dist sound/low vol | R125 36k o/c by af o/p tfmr | 14-09-04 |
| Crown | 11AK08 CRV37 | Dead with BUZ77 chopper Q801 s/c | R809, R805 330k & check/change C817, C831 1µ 50v & C812 47µ 16v | 14-09-04 |
| Crown | CR3797R | Dead with squeal | C612 22µ 50v & C611 47µ 40v hi esr, 2SD5071 LOPTr leaky used 2SD1651 in lieu, line dr tr 2SC2330 s/c now would work except CRT is soft! Used 2nd hand crt to complete repair & replace C319 with 4n7 2kv to increase width | 14-09-04 |
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|
| Crown | CRV37 | Dead | Q801 R805 R803 R809(.47 OHM FUSIBLE) IC 801 | 14-09-04 |
| Crown | CRV37 | Streaky pic, dark on LH, bright on RH | C608 1µ 250v decoupler | 14-09-04 |
| Crown | CRV37 | Tripping | Chopper tfmr | 14-09-04 |
| Dawa | 3788 | Dead | ht (105v) down to 60v the ht reservoir c602 (100/ 160v) was o/c | 14-09-04 |
| Decca | CV9371 | Dead - F802 o/c | BU426A chopper s/c; R808 150k hi res; C814 1µ o/c & chech TDA4600 | 14-09-04 |
| Ferguson | 37410 | No contrast | R231 150k hi res | 14-09-04 |
| Ferguson | M6373GCT TX91G | No or intermittent TeleText | Check for dry joints on IX02 Reg IC on the small Text pcb. | 14-09-04 |
| Ferguson | TX90 37140 | Corrugated verts | C189 22µ 50v between LOPTx & chan sel | 14-09-04 |