Make | Model | Problem | Solution | Date |
| | | |
Found: 33
|
Bush | 1433 11AK20M-3 | Trips at sw on | D604 200v rect s/c - fitted RGP15 in lieu | 14-09-04 |
Bush | 1434 11AK20M-3 | Int tuning - no sigs | resolder SMD`s around R584 / R521, located on underside of PCB near IC501 | 14-09-04 |
Bush | 1434 11AK20M-3 | Shuts down with ticking noise | D604 BA157 s/c | 14-09-04 |
Ferguson | TX807 M3615UT | Dead apart from red LED pulsing - In Child Lock | To release - Sw on TV at mains whilst holding in Magenta Txt key | 14-09-04 |
Ferguson | TX807 M3615UT | LED stays green for 6 secs at sw on then reverts to st/by | DL04 BY288 in E/W mod cct leaky | 14-09-04 |
Hikonda | RM300 | Fault picture/sound OK but gradually after 5 minutes H/V sync started to fail followed by a total video overload and vision buzz on sound. | due to a 0.22Mfd 50V Tantalum capacitor C114 (used a polyester as replacement | 14-09-04 |
Hikonda | RM300 | sync failed aft 5 mins with vid overload & buzz | C114 tant cap 0µ22 50v | 14-09-04 |
JVC | C21M3EK | Bottom cramp, no col, pulling, warbling sound | Low 12v supply (9v) on D405 - R421 0R68 hi res | 14-09-04 |
JVC | C21M3EK | Dead | C910 0.1µ | 14-09-04 |
JVC | C21M3EK | Line freq off & lack of field bottom scan | R421 0R68 risen to 5R | 14-09-04 |
|
JVC | C21M3EK | No R/C operation | X601 xtal wrong freq fitted - should be 4Mhz not 17Mhz | 14-09-04 |
JVC | C21M3EK | No sigs or R/C | ZD603 5v6 zener faulty causing 5v to micro low at 4.4v | 14-09-04 |
JVC | C21M3EK | No start up - maybe int. | C901 ( 0.1uf ) in startup cct | 14-09-04 |
JVC | C21M3EK | No vision | CMOS switch IC202 4066B - comp video disappeared through it | 14-09-04 |
JVC | C21M3EK | Power supply not starting up , may be intermittant. | Replace C910 0.1uF | 14-09-04 |
JVC | C21M3EK | St/by only | HT present 110v. Replaced C909, C911 47µ 50v 105deg, ZD401 12v zener s/c, R419 1R0 2w o/c | 14-09-04 |
JVC | C21M3EK Onwa | Field collapse, no sound after replacing C909/911 R419 & 12v Zener | R421 0R68 ?w fusible o/c; D406 s/c - used BY228 | 14-09-04 |
JVC | C21M3EK Onwa | No sound | IC601 micro has no PWM o/p on vol cont pin - chip faulty | 14-09-04 |
KENWOOD | KM3501T | NO POWER | CHECK RF SUPPRESSOR BETWEEN HV CAP AND MAGNETRON FOR DRY JOINTS | 14-09-04 |
Mitsubishi | CT21M3STX | LOW HT | Q953 JC501 Pt No 260P543050 | 14-09-04 |
Mitsubishi | CT21M3TX | No signals | R702 22k in 33v line o/c | 14-09-04 |
Mitsubishi | CT21M3TX | No store tune & r/c responses spurious | X24C04P eeprom & check caps in psu - used SDA2516 in lieu | 14-09-04 |
Mitsubishi | CT25M3 | Slow response to front & R/C commands | Resolder Xtal on Txt panel | 14-09-04 |
Mitsubishi | CT25M3TX | Trips at sw on - ok when LOP dis'd HT correct at 145v | LOPTr leaky - check for dry joints esp IC951 | 14-09-04 |
Mitsubishi | CT25M3TX Euro 14 | Difficult to come on from st/by, wont stop at stations & graphics wrong | C955 2200µ 25v leaked over EEPROM IC702 X24CO4P - both need replacing | 14-09-04 |
Mitsubishi | CT25M3TX Euro 14 | Tuning instructions | Select chan & press preset on r/c (tuning display appears in blue at bottom of display), change to yellow by pressing up/down chan. press vol +/- to start search tune, then press vol + until channel is displayed, press preset button to store | 14-09-04 |
Mitsubishi | Euro 12 CT25M3TX | Blank raster - ok via scart | - eeprom IC702 X24C04P faulty | 14-09-04 |
Mitsubishi | Euro 14 CT21M3TX | Dead - but goes in & out of st/by | Has 110v on LOPTr but no line drive dry joints IC951 - also check for dry joints on other regs | 14-09-04 |
Mitsubishi | Euro 14 CT25M3LTX | Field collapse - caused by FOP chip AN5521 which failed again shortly after replacement | C560 3300µ 35v in 27v supply seems to have been cause | 14-09-04 |
Philips | Nicam 3A | Int blowing 800Ma fuse F1642. | Increase to 1.25AT. | 14-09-04 |