| Make | Model | Problem | Solution | Date |
| | | |
| Found: 355
|
| JVC | AV21TS2EK | Green line down rh side of pic | TB1227AN IC101 Jungle chip u/s | 14-09-04 |
| JVC | AV21TS2EK | Int flashing across screen | CRT faulty | 14-09-04 |
| JVC | AV24WT5EKS JK11 | Blank white raster at start up - reverts to st/by aft 5 secs | The +5v supply low - replace 5v reg IC954 BA05T - used L7805CP in lieu | 14-09-04 |
| JVC | AV24WTSEKS | Dull pic, poor contrast | Check if "ECO" mode has been set - press the I "Information button and Mute button at the same time to enter the service mode. Choosing 6 (Picture settings) from the VSM menu you can set up the contrast and brilliance settings etc in all the
preset modes that this set offers (EI Warm, Cool, Normal etc) | 14-09-04 |
| JVC | AV25F1 | Field collapse & no sound | Dry joints regs IC521 & 522 | 14-09-04 |
| JVC | AV25F1 | Int dead | Dry joint between lie dr base & video/chroma board | 14-09-04 |
| JVC | AV25F1 JX | Dead | Q001 SGSIF444 chopper tr s/c, IC001 TEA2261, CNX82A opto also replaced to prevent repeats | 14-09-04 |
| JVC | AV25F1EK | Blank raster aft 45 mins | Field chip TDA3654 - s/castle pulse dist thus blanking pic with full invisible raster | 14-09-04 |
| JVC | AV25F1EK | Dead - LED blinks on once at sw on | Loptx faulty | 14-09-04 |
| JVC | AV25F1EK | Geometry of pic out | IC561 TDA8145 | 14-09-04 |
|
|
| JVC | AV25F1EK | Int shut down | Opto coupler CNX92A & 2SC1815 | 14-09-04 |
| JVC | AV25F1EK | Int sigs & other int functs | Dry joints IC522 | 14-09-04 |
| JVC | AV25F1EK | Lack of width with foldover | Check for dry joints in line stage | 14-09-04 |
| JVC | AV25F1EK | No sound | CP591 15cp IC501 TDA3810 s/c On 'ASP' small sub panel LH Side . | 14-09-04 |
| JVC | AV25F1EK | No sound or field | FR527 6R8 1w also TDA3654 causing top cramp | 14-09-04 |
| JVC | AV25F1EK | No Txt - when selected goes blank & returns to pic | IC004 PCF84C81P/064 on Txt pcb | 14-09-04 |
| JVC | AV25F1EK | Text faulty - keeps jumping to random pages | solder bridge across pins 1 & 2 of IC02 SAA5243 Txt proc chip | 14-09-04 |
| JVC | AV25F1EK JX Chassis | Dead - LOPTr Q502 BU508AFI s/c | Caused by faulty LOPTx | 14-09-04 |
| JVC | AV25F1EK JX | INT. RF , COULD BE MISTAKEN FOR TUNER Clue is No | IC522 DRY JOINTS | 14-09-04 |
| JVC | AV25F1EK JX | PSU powers down aft a sec of sw on | HT was excessive - Q031 2SC1815YG o/c | 14-09-04 |
| JVC | AV25F1EK JX | STARTS UP THEN SHUTS DOWN | Q031 OC | 14-09-04 |
| JVC | AV25F1EKA | Int blows lop trs | Check for dry joints driver IC etc | 14-09-04 |
| JVC | AV25FX11 | PIC PULSING-HT CONSTANT | DJ - HAIRLINE CRACK ON C011 PSU PANEL | 14-09-04 |
| JVC | AV25GS1EK | Dead - no 146v supply | D2031 BY229-600 o/c | 14-09-04 |
| JVC | AV25GS1EK | Reverts to st/by aft I sec | removing eeprom type cat35c104hp allows set to run - eeprom faulty | 14-09-04 |
| JVC | AV25GS1EK & AV25S1EK etc | Dead - HT starts to rise then decays | D521 BY228 in EW cct | 14-09-04 |
| JVC | AV25GS1EK MX | St/by only | Dis pins 5 & 6 of EEPROM to check - if set powers up then EEPROM may be faulty (IC704 pt no CAT35C104HP) | 14-09-04 |
| JVC | AV25S1EK | At sw on LED red then green, red then out - dead | C468 (4u7F 50v) blown its top and R526 (39R 0.5w)burnt also D521 (BY228) s/c | 14-09-04 |
| JVC | AV25S1EK | Dead or int dead - front LED operates ok & HT/LT readings ok | Check R903 & 904 2k2 & dry joints on st/by trs Q902 & 901 near them | 14-09-04 |
| JVC | AV25S1EK | DIM PIC | C1206 LEAKY 3.3mfd | 14-09-04 |