Make | Model | Problem | Solution | Date |
| | | |
Found: 68
|
Beko | AT3 | Dead - tripping | R111 820k 1/2w, R112 330k 1/2w o/c | 14-09-04 |
Beko | AT3 | Int video, lines, no r/c action etc | IC901 micro IC skt int - replace skt with good quality one | 14-09-04 |
Crown | CRP14 Matsui 2096 | Child Lock removal | Connect a tact switch between pin 4 & 17 of IC1 (in r/c) . When TV is sw on via R/C & a chan is selected that has a PASS code no. (child lock) will allow access approx 1 sec after pressing the tact switch once. The pass channel will clear & pic will return. To remove child lock permanently press tact switch again a message "PASS CLEAR" will appear on screen | 14-09-04 |
ITT | LATE SLIM Slimline | WONT ALWAYS START , COMES ON WHEN WARM | CHECK 4.7mfd 400v POWER | 14-09-04 |
JMBC | 2099TX Matsui TVR180 | St/by only | syscon/timer/servo IC1006 OEC0078C using the sub-panel to get it out
of S/by and then corrected incorrect Hex values. (Or get preprog 24C08 from Grandata) | 14-09-04 |
KB | ATX6424 | TEXT SCREEN COVERED IN ?#? SYMBOLS | HCF4001 IC ON TEXT PCB | 14-09-04 |
Matsui | 20TN (Tatung D4N) | To enter service mode after EEPROM corrupted - no sound or OSD (just black blank window) | Fit link across 2 pins of PL701, ensure aerial is in, and power up from H/set; Press Chan down 3 times. You are now in text mix mode, Adjust using vol+, Press TV button to store. Press Red Fastext button, Adjust contrast using vol+, this will restore graphics. Press TV button to store. Switch off, remove link. | 14-09-04 |
Mitsubishi | AV1 srs WITH SAT | BLANK RASTER OSD OK. | Z953 1.6A OC DUE TO LNB SHORTED - UPRATE TO 3.15A Pt No 299P193030 | 14-09-04 |
Mitsubishi | CT29AT5 | No sound | TA8218AH audio o/p chip & caps 470µ 35v & 100µ 35v leaking | 14-09-04 |
Mitsubishi | CT29AT5 | off | L551 3µ3 choke in series with base of lop tr o/c | 14-09-04 |
|
Mitsubishi | CT29AT5 | sound slow to come on from cold | C9F4 1000µ leaky in psu | 14-09-04 |
Proline | TATU | CONTRAST NOT WORKING | R 430 120k OFF THE LOPT. ( CONTRAST D.C. LINE ) | 14-09-04 |
Samsung | CI3352AT P68 | Slow to change chan, go into Txt & analogue functs | TX01 27Mhz Xtal | 14-09-04 |
Samsung | CI5052AT | FIELD LOWERS WHEN WARM THEN BOUNCES | IC402 MC7812 | 14-09-04 |
Samsung | CI5052AT | FRAME COLLAPSE | CHECK D412 AND R412 | 14-09-04 |
Samsung | CI5052AT | Height reduces with bounce | IC402 12v reg MC7812 | 14-09-04 |
Samsung | CI5061AT | Field collapse - int | Dry joints FOP chip | 14-09-04 |
Samsung | P68SA CI5052AT | no frame | D401 ERB4304 (32167-208-510) s/c, R412 1R 0.5W (31059-002-010) o/c | 14-09-04 |
Sharp | 15AT15H | 3 coloured lines on the top of the picture | replace D504 (measured Ok). I used 1N4005 as a replacement. | 14-09-04 |
Sharp | 37AM23H 37AT25H | Stuck in child lock , pin not known . | Switch TV on at mains switch , press vol down on TV and child lock on handset together ( on handset only from now on ) press | 14-09-04 |
Sharp | 37AT25H | CHILD LOCK ON , PIN NOT KNOWN . | PRESS VOL - ON TV & CHILD LOCK ON REMOTE TOGETHER , PRESS MODE ON REM USING CHANNEL +/- TO SELECT CHILD LOCK , PRESS MODE , E | 14-09-04 |
Sharp | 37AT25H | Dead | R704/5 560k 1/2w hi res | 14-09-04 |
Sharp | 5BSA 51AT15 | Dead symptoms with psu running | No line drive base Q603, no 5v supply pin 8 EEPROM IC1002 as 5v reg tr Q704 BC338-40 o/c emitter | 14-09-04 |
Sharp | 5BSA 51AT15H | appears dead, LED is green | Q704 BC338 o/s | 14-09-04 |
Sharp | 5BSA 51AT15H | Corrupted service mode settings after replacement of Q601/2 | No stopping when tuning, height and vert posn out - set AFC optione byte to '9F' | 14-09-04 |
Sharp | 5BSA 51AT15H | Dead | LOPTr, Q509, Q510 & C713 | 14-09-04 |
Sharp | 5BSA 51AT15H | Dead | C713 1000µ 25v hi esr caused failure of Q509 BC635 & Q510 BC338 in field cct | 14-09-04 |
Sharp | 5BSA 51AT15H | Dead | C716 100µ hi esr | 14-09-04 |
Sharp | 5BSA 51AT15H | dead | Q601 BU508DFI s/c (use correct type) | 14-09-04 |
Sharp | 5BSA 51AT15H | dead | LOPTr reads s/c in situ, check R622 - one of its ends shorting to earth print | 14-09-04 |