| Make | Model | Problem | Solution | Date |
| | | |
| Found: 355
|
| JVC | AV28WR4EKS | Dead | Replaced s/c MC44604P chopper chip, CP953 blown, optocoupler TLP721FD4GR and the error amp SE-135N finally cured the problem (HT was rising above its correct 145v) | 14-09-04 |
| JVC | AV28WT4 | St/by only with ECO light flashing | B1 sec read s/c; E/W cct s/c due to D521, C470 & Q466 | 14-09-04 |
| JVC | AV28WT5 | St/by only | LOPTr 2SD2634-YD s/c, line dr tr Q501 BSN304T defective | 14-09-04 |
| JVC | AV29 | Field Foldover with no pic | TDA8350Q | 14-09-04 |
| JVC | AV295X1EK | Pic Narrows - esp on Txt | R553 5R6 o/c or dry joints & check D553 BYD330 for s/c | 14-09-04 |
| JVC | AV29BD3EK | Poor greyscale - possible CRT defective if Philips - to adj greyscale | Press info button ( "i" ) & Mute together to enter service menu. Option 2 reqs adj. 4 & 7 up/down = red; 5 & 8 = green; 6 & 9 = blue; Menu button = store | 14-09-04 |
| JVC | AV29SX1 | Field collapse | If version 3 fit mod as described TV Mag Oct 00, if vers 5 not nec | 14-09-04 |
| JVC | AV29SX1 JA | Buzz at 6khz on sound | IC601 MSP3410-SDIL multi sound proc chip on AV selector board | 14-09-04 |
| JVC | AV29SX1EK | Bright white raster - sound ok | FR551 white fusible o/c - back middle of pcb | 14-09-04 |
| JVC | AV29SX1EK | Brightness fluctuates int blanking out when warm | OK when 16:9 button pressed - FOP chip TDA8350Q | 14-09-04 |
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| JVC | AV29SX1EK | Brightness varies | Dry joint earth pin of LOPTx | 14-09-04 |
| JVC | AV29SX1EK | BRIGHTNESS VARYING | RESOLDER EARTH PIN ON LOPTX | 14-09-04 |
| JVC | AV29SX1EK | Dead - HT present but No line drive | TDA8366 jungle chip producing no line drive - faulty | 14-09-04 |
| JVC | AV29SX1EK | Dead - Red LED comes on at sw on turning Green | Check earth lead to CRT aquadag is fitted securely aft FOP mod kit fitted or IC806 can cause corrupt I2C bus | 14-09-04 |
| JVC | AV29SX1EK | E/W FAULTY | REPLACE FR553 | 14-09-04 |
| JVC | AV29SX1EK | E/W faulty | FR553 5R6 o/c | 14-09-04 |
| JVC | AV29SX1EK | Faint line 2" from bottom aft fitting field chip mod | C560 220µ 50v | 14-09-04 |
| JVC | AV29SX1EK | Field collapse | D552 BYW95B-20 s/c, FR552 0R82 2w safety res o/c TDA8350Q u/s | 14-09-04 |
| JVC | AV29SX1EK | Field collapse | Fit TDA8350 Mod kit | 14-09-04 |
| JVC | AV29SX1EK | Field collapse | Fit JVC field kit & replace D552 BYW95B, FR552 0R82 2w in 16v supply LOP stage | 14-09-04 |
| JVC | AV29SX1EK | Field foldover | TDA8350 Field/E-W chip | 14-09-04 |
| JVC | AV29SX1EK | Int R, G or B lines at top - pic shakes - very int | IC1401 FOP chip - fit mod kit JVC TPCE0051 | 14-09-04 |
| JVC | AV29SX1EK | Mod kit for field problems | Replace IC1401.(TDA8350Q) Ensure silicon grease (G746TS) is spread on heatsink of IC1401. Replace resistor FR1553, part no. QRH127J (5R6M) with QRH017J (180M). Add capacitor C1411 printed on symbol number on PWB to QFLC2AK (103MZ). Add capacitor C1407 printed on symbol number pm PWB to QFLC2AK (103MZ). Replace resistor R1560 part number, part no. QRG019J (332S) with QRG019J (222S). Add zener diode RD62E(B)-T2 between pins 8 and 9 of IC1401. Replace FR1552, part no. QRH027 (R82M) with QRH027J (1R8M). | 14-09-04 |
| JVC | AV29SX1EK | No pic | IC101 TDA8366 jungle chip | 14-09-04 |
| JVC | AV29SX1EK | NO SOUND | CHECK FR958 FOR O/C | 14-09-04 |
| JVC | AV29SX1EK | NO SOUND | REPLACE IC952 5V REGULATOR IC**KAI7805PI | 14-09-04 |
| JVC | AV29SX1EK | NO SOUND | CHECK FR958 FOR O/C | 14-09-04 |
| JVC | AV29SX1EK | No sound | Check Fuse FR958 , reg IC952 KIA7805PI, Q603 C1815YGT, D611, D633 1SS133T3 on main pcb | 14-09-04 |
| JVC | AV29SX1EK | No sound | IC1952 KIA7805PI 5v reg | 14-09-04 |
| JVC | AV29SX1EK | Pic blanks aft 20 mins leaving blank raster with Txt coming on/off | IC1401 FOP chip - fit mod kit JVC TPCE0051 | 14-09-04 |