Dicas Reparação
Modelo - Chassis MX
Pesquisa: MX Enviar Dica Resolvida
Resultados 132
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| JVC | AV 28GS1EN Chassis MX I/II | Sem côr | Substituir IC201 TA8759BN | ||
| JVC | AV 28GS1EN Chassis MX I/II | Faz arranque e passados segundos volta a standby | Memoria IC704 CAT35C104HP avariada | ||
| Sony | KV-1493MX | Se apaga de imediato | R622. (100K ohm) Alterada | ||
| Sony | KV-1455MX | No liga | L601. (6.8uH) | ||
| Panasonic | TC29V50R MX2 | Dead | R833 (22E) emitter resistor to Q802 in power supply | ||
| Panasonic | MX-1 | Volume will not vary | CXA2021S sound proc chip | ||
| JVC | MX2 | Flyback lines at bottom of screen | Increase value of C442 from 150pf to 470pf | ||
| JVC | MX2 | Field int collapses | D441 RD3.0ES(B2) goes leaky when warm - to pin 13 TA8859P IC461 | ||
| JVC | AV28SD4EK MXIV | No sound and all programs show the same channel | Check the data lines on pins 14 and 13 of the connector CNO13 on the sound subboard. If they are low, disconnect the lines one by one from all the chips until the correct level is restored (about 4 V p-p). Also check IC001 5V regulator for DJs, as this could be the culprit. In this case all 3 chips on the sound board had leaky data line inputs: | ||
| JVC | AV28S1EK AV25S1EK MX2 | Width & E-W faulty | Replaced memory chip for electronic screwdriver - 24C01A/P IC1707 | ||
| JVC | AV28S1EK AV25S1EK MX2 | St/by light changes col but no line drive | No supply to line dr tfmr as R903 2k2 hi res (switches st/by tr Q902) | ||
| JVC | AV25S1EK MXII | Unstable pic with line jitter | Video o/p from IF module has ragged sync pulses - 1µ elect cap in AGC feed | ||
| 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) | ||
| JVC | 25S1EK MXII | StBy LED changes red to gren but no line drive | Check Q902 V if missing R903 ( 2K2 ) o/c | ||
| JVC | 25S1EK MXII | NO VISION - WONT TUNE IN | C119 47n IF UNIT. ON PIN 2 IC 101 |