Dicas Reparação
Modelo - Chassis D34
Pesquisa: D34 Enviar Dica Resolvida
Resultados 15
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | D345 | WON'T CHARGE BATTERIES | Would not charge rechargeable battery pack. | ||
| Sony | D34 | UNIT WOULD NOT PLAY - REPLACE CN502 | Unit would not play with main board installed. CD wouldspin in reverse or spin without any output. Unit would play fine ifboard was separated from rest of unit. -SOLUTION CN502 was defective. When board was installed and flex calbepositioned it di | ||
| Sony | D34 | UNIT SKIPS OR FAILS TO PLAY - REPLACE OR RESOLDER JR599,C569 | Unit skips intermittently, or will not play at all. ComponentsJR599 and C569 become unsoldered or cracked when spindle motor hits theboard, after being dropped, or roughly handled. | ||
| Sony | D34 | DEFECTIVE CHASSIS ASSY. (X2625-248-1) RECEIVED FROM NPC | New chassis assembly are being shipped defective, have foundoccasionally, spindle (M901) not placed on correctly. I recently wentthrough six chassis before finding a good one. I have samples here at theNE HUB.Chassis are being brought up by Steve Nuniv | ||
| Sony | D34 | DEFECTIVE HEADPHONE JACK (NO RIGHT CHANNEL) | Only one channel is heard through headphone jack. Tracedaudio from IC304 up to the jack. Had audio all the way until jack.Checked jack and found trace lifted on side for right channel. | ||
| Sony | D34 | SLED STUCK (NO MOVEMENT) - REPLACE L503, P/N 1-412-032-11 | Optic will not track in or out. Put unit in test, still hadno tracking. Ohmed the motor, it was OK. Checked L503 and found it to beopen, or broken. | ||
| Sony | D34 | DOOR WILL NOT STAY OPEN - STRAIGHTEN BENT SPRING (C), REF 7 | Door will not stay all the way open, keeps dropping down.Checked spring in cabinet by door hinge, found it bent. | ||
| Sony | D34 | INTERMITTENT NO PLAY - REPLACE IC-504, P/N 8-759-030-17. | No play - intermittent. When bass boost was switched tomaximum, the unit would sometimes quit playing. Measured Vcc atIC-304/pin 12 and the voltage was low at this pin (approximately 3.4V).Checked regulator circuitry and found wave form missing at IC-5 | ||
| Sony | D34 | NO POWER, AC/DC OR BATTERIES | Unit showed no sign of life when PLAY button was pressed,though pins 25 and 31 of IC801 went low as button was pressed. Unitworked perfectly in test mode. Also pertains to serial number 145263. | ||
| Sony | D34 | DEFECTIVE STOP AND REVERSE AMS FUNCTIONS - RESOLDER IC-801. | Unit would not stop or AMS reverse when button was pressed.Switches checked okay. Upon further diagnosis, found pins 26 and 27 ofIC801 cold soldered. Also pertains to serial number 155174. | ||
| Sony | D34 | DEAD UNIT - JUMPER Q451 AND Q453 EMITTERS. | The unit will not function and will not run a test. Checkedpower supply and found proper voltage on emitter of Q451. There was novoltage on emitter of Q453. | ||
| Sony | D34 | UNIT INOPERATIVE - OPEN TRACE (IC801/PIN 30 TO IC504/PIN 24) | The unit does not power up. I found that IC504 and IC801were getting B+. IC801/pin 30 (PCONT) must send a low to IC504/pin 24(PC). This enables IC504/pins 16 (VD) and 18 (VREF), and the rest of thepower supply circuit would power up and turn the unit on | ||
| Sony | D34 | NO AUDIO - R508, R509, R201, R202, C519 MISSING | Optic will not read TOC. We checked adjustments and they didnot have traverse wave form. Upon further inspection I found certainparts missing. They looked to be cold soldered. The parts missing are asfollows R509, R508, C519, R201, R202. Also credit | ||
| Sony | D34 | BROKEN PCB | PCB breaks in area of R330 (service manual page 16,coordinates B13). The same problem occured in another unit( Workorder No.W1562489) with different PCB (A-3275-450-A). Maybe the screw No. 24 usedto tighten the board in that area puts too much stress on | ||
| Sony | D34 | OPTICAL ASSEMBLY NOT WORKING | Servicer ordered part number 8-848-217-11 and received partnumber 8-848-142-11. Both part numbers do not substitute to each other.Part number 8-848-142-11 not working in unit. -HQ COMMENTS: Thanks for pointing out the mistake to us. KCPS hascorrected |