| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| 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 | ||
| JVC | AV29SX1EK | Dead - HT present but No line drive | TDA8366 jungle chip producing no line drive - faulty | ||
| JVC | AV29SX1EK | BRIGHTNESS VARYING | RESOLDER EARTH PIN ON LOPTX | ||
| JVC | AV29SX1EK | Brightness varies | Dry joint earth pin of LOPTx | ||
| JVC | AV29SX1EK | Brightness fluctuates int blanking out when warm | OK when 16:9 button pressed - FOP chip TDA8350Q | ||
| JVC | AV29SX1EK | Bright white raster - sound ok | FR551 white fusible o/c - back middle of pcb | ||
| JVC | AV29SX1 JA | Buzz at 6khz on sound | IC601 MSP3410-SDIL multi sound proc chip on AV selector board | ||
| JVC | AV29SX1 | Field collapse | If version 3 fit mod as described TV Mag Oct 00, if vers 5 not nec | ||
| 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 | ||
| JVC | AV295X1EK | Pic Narrows - esp on Txt | R553 5R6 o/c or dry joints & check D553 BYD330 for s/c | ||
| JVC | AV29 | Field Foldover with no pic | TDA8350Q | ||
| JVC | AV28WT5 | St/by only | LOPTr 2SD2634-YD s/c, line dr tr Q501 BSN304T defective | ||
| JVC | AV28WT4 | St/by only with ECO light flashing | B1 sec read s/c; E/W cct s/c due to D521, C470 & Q466 | ||
| 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) | ||
| JVC | AV28WR4EK | Pic shifted to right in all modes - may be int | Loss of hor fback pulses to IC101 due to Q501 2SC1815 s/c |