Dicas Reparação
Modelo - Chassis WMD6C
Pesquisa: WMD6C Enviar Dica Resolvida
Resultados 18
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | WMD6C | NO AUDIO - C235 TORN OFF BOARD WITH TRACES ON NEW VERSION | C235 and traces missing from unit on new version main boards, this is a common occurrance, usually just the cap is loose from solderlands. Symptom no audio in one channel. | ||
| Sony | WMD6C | NO AUDIO - REPLACE CP304, P/N 1-464-183-21 | unit had no audio (rec or PB). This is new style board afters/n 267,201. | ||
| Sony | WMD6C | DEAD, NO POWER - REPLACE Q601, P/N 8-729-116-57 | Unit totally dead, lost 6V supply going through DC-DC. Ifound Q601 open. | ||
| Sony | WMD6C | NO RIGHT CHL OUTPUT/SQUEALING ON RIGHT CHL (RESOLDER C235) | These two units came new with two different complaints. Onewith no sound out of right chl. The other with squealing sound on rightchl. Found C235 one end unsoldered from main board. The otherunit C235 had one end unsoldered and shorting to R603 produ | ||
| Sony | WMD6C | NO AUDIO OUTPUT - REPLACE CP-301, P/N 1-464-177-00 | Audio comes up briefly then fades out completely. | ||
| Sony | WMD6C | AVAILABILITY OF METER KNOB | Peak/battery switch cover is no longer available. This unit,however, is still in production. -HQ COMMENTS: KCPS had bad sub corrected. Please reorder. | ||
| Sony | WMD6C | SCHEMATIC DIAGRAM ERROR, C318 | Page 24 identifies a 220uF, 4V cap. at coordinates E-14 asC-138. This cap. is really C-318, and the component layout and parts listare correct. The real C-138 can be found at coordinates C-18 connected topin 5 of IC-102. | ||
| Sony | WMD6C | NO RECORD OR PLAYBACK | Found signal going into IC-101 and 102 (dolby ICs), but notgoing out. No DC voltages except pin 21 (B+). | ||
| Sony | WMD6C | NO MOTOR MOVEMENT | 0.5 Volts across BE junction of Q-601 collector was at 0V.0V was measured from IC-601, pins 12 and 14, to ground - resistance frompin 12 to ground was 0 Ohms. | ||
| Sony | WMD6C | HIGH OR EXCESSIVE WOW AND FLUTTER | Customer has purchased/returned 7 units during April and May.All units have displayed excessive Wow and Flutter. Upon investigation,found clutch spring too taut causing 70 + GCM of forward/take uptension. This spring is different than in other units as | ||
| Sony | WMD6C | EXCESSIVE WOW AND FLUTTER IN AUTO-SPEED MODE | Excess wow and flutter in auto-speed mode. Manual speednormal. Flywheel shows wear pattern. | ||
| Sony | WMD6C | NO PLAYBACK | No playback. Replaced dolby IC-101 and 201. Still dead.Found shorted C-138. | ||
| Sony | WMD6C | NO RECORD, RIGHT CHANNEL PLAYBACK OK | No record, right channel playback was ok. Waveform at bothhead leads showed virtually identical bias and audio waveforms. Head waschanged. Switched head wires. Problem remained in same channel. Finallykilled bias oscillator and looked at head input | ||
| Sony | WMD6C | INTERMITTENT MOTOR DRIVE | Motor would stop intermittently. Flexing main board wouldoccasionally cause problem, but problem was not reliably controllable. | ||
| Sony | WMD6C | MOTOR TOO FAST AND NO AUDIO | The motor runs too fast and there was no audio in PB mode.There was no B+ (6V) applied to IC601. |