Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | WMF80 | PART NUMBER FOR FLEX CONNECTOR | I have been faxed a S/B No. 230 which gives a P/N for CN302.But, as I have described before, I require the P/N for the flex connectorbetween the EQ unit and the main PCB. These connectors keep tearing dueto their faulty design. It is very expensive to | ||
| Sony | STRAV760 | MEMORY LOSS IF MAIN POWER SWITCH TURNED OFF | Unit would lose memory if main power switch was turned OFF.We found no DC voltage to pin 32 IC-207 at this time. It appears that asolder jumper has been left off during production. This jumper connectsthe battery to R-288, thereby, supply power to IC-2 | ||
| Sony | TCW233 | REC MUTE ACTIVATED CONTINUOUSLY | REC MUTE would not release in record mode. I found that Q305emitter input was from a line regulated by D506, and the base input indir-ectly from a line regulated by D505. | ||
| Sony | SLHF1000 | NEED PART NUMBER FOR PWR REGULATOR HOLDER (PG. 216) | Need mechanical piece that reference number 162 attaches to(pg. 216 of service manual). -HQ COMMENTS: Part number is 3-712-738-01, but is an unstocked part.Tokyo is shipping some pieces, and I will send you one at that time. | ||
| Sony | SLHFR70 | SHUTS DOWN | Unit will shut down in special effects and sometimes in PLAY(intermittent). Pinch roller will spill tape because the reel assemblywill not turn. I have come across 5 machines with this problem in thelast six months. The rotor becomes warped. | ||
| Sony | CCDV5 | INTERMITTENT SHUTDOWN | Intermittent shutdown and at times no start. Found output ofsupply reel sensor varying in amplitude. Cause - supply reel sensor wasnot fastened to chassis and was too close to reel - not allowing receivediode to sense proper light. Varying amplitude w | ||
| Sony | KV2080R | SHUTDOWN, OPEN R507 | When the unit was first turned on, unit would shutdown. | ||
| Sony | WMF100 | GROUNDING OF RADIO CONNECTION BOARD | Unit works only when cassette door is opened. Shuts down whenclosed. Radio connection board has trace worn and exposed causing it toground in the act of opening and closing cassette lid. | ||
| Sony | STRVX550 | RELAY CHATTER | Units power relay would chatter for some time and then wouldfunction properly. Problem may not show again for a few days. | ||
| Sony | CCDV9 | NO AUTO FOCUS | No auto focus. Manual focus slow and hunts. | ||
| Sony | CDXR88 | NO TUNER OPERATION | No AM or FM. (No scan stop. Manual tune gives no backgroundstatic, or audio at all). Found no output from Q17 its base was 0.57VDC. | ||
| Sony | CCDM8SP | VF JACK PART NUMBER | No P/N listed in manual. -HQ COMMENTS: P/N is 1-562-183-00. | ||
| Sony | KV2092R | BOTTOM HALF OF PICTURE DISTORTED, C1504 | Top half of pix was fine, bottom half was stretched and dis-torted. Scopes of pin 3 or 6 of IC1501 shows RF riding on B+. FoundC1504 had changed value - replaced problem cured. | ||
| Sony | FD42A | NO PIX, REPLACED Q802, D802, IC601 AND Q602 | 1. No picture. 2. No high voltage. 3. Bad keystone.1. Weak drive signal on Q801 base.2. Open Q802.3. No drive of pin 5 (IC601) open Q602. | ||
| Sony | CDP701ES | HIGH FREQUENCY WHISTLE IN ONE CHANNEL | High freq. whistle in one channel. Found cold solder joint onLPF ground tab. This problem could occur on LPF401 effecting other side. |