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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | TAAV411 | LOW REAR CHANNEL OUTPUT - IC404 FAULTY 8-759-820-11 | There was low output from the rear channel in surround mode. | ||
| Sony | SLV696HF | NO POWER: Q102 SR370 BD. | The unit was inoperative. Traced the problem to Q102, SR370Board. It was shorted. | ||
| Sony | SLV400 | ERRATIC POWER ON/OFF, TUNER OPERATION: ALIGN/RESOLDER IC501 | There was erratic operation of the tuner and power on andoff. It seemed to be a loose connection at times. I found many pins ofIC501 were not soldered due to a misalignment of IC501 to traces on board. | ||
| Sony | KV1914 | HORIZONTAL LINES ACROSS TOP OF PICTURE, REPLACED C-529 | The customer complained of horizontal lines across the top ofthe picture. On troubleshooting IC502 pin 9 does not have the 1.6V. | ||
| Sony | WMF76 | TAPE SPEED TOO FAST AND AUDIO IS MUTED - CHANGE MOTOR M-301 | After pressing play the tape was moving very fast and therewas no audio. Going for the muted audio first, I found pin 10 of IC303(headphone drive) was low from Q309 being turned on. Following it back toQ602, both sections were turned off causing this mut | ||
| Sony | TAS7 | VIDEO SIGNAL FROM VIDEO IN INPUT IS WASHED OUT, R804 NO GND | The video signal processed through the Video In input iswashed out. When the same video signal is input to the TV Video In input(same type input on same IC IC801), the picture is normal. | ||
| Sony | SLV400 | CORRECT DRUM ASSY PART NUMBER: 8-848-595-11 | The part number in the manual is wrong. The replacement drumwill not plug into the head amp. The flex connector is wrong. I needthe correct drum part number. -HQ COMMENTS: The correct part number is 8-848-595-11. It can be foundin the SLV-400 Correct | ||
| Sony | TAAV521 | SOUND "SWIRLS" WHEN IN DOLBY PRO-LOGIC WIDE MODE | An ASD in Sacramento has two units with the same problem. Thevolume out of the front speakers pump alternating from left to rightcontinually when Dolby Pro-Logic Wide mode is selected, but it plays finein other modes. Replacement of IC304 and IC308 did | ||
| Sony | CDXA55 | DISC DOES NOT SPIN, NO OPTICAL PICKUP MOTION (REPLACE Q901) | Disc would load but not spin, and there was no opticoperation. The unit was missing +5 VDC from regulator IC901. | ||
| Sony | XRU770 | PART NUMBER CORRECTION: KEYSWITCH | The part number for switches on the key pad is incorrect(S701 through S729). The correct number is 1-692-037-41. The problemwith the switch is that the button attached to it is too short to makecontact with the button on faceplate. | ||
| Sony | CCDFX410 | STUCK IN "STANDBY" ON WITH RM95/CHECK COUNTER RESET BUTTON | I put the unit in test mode 03 and I put in record with RM95.It was recording but the tape counter stuck at 0000. While the unit wasrunning I unplugged various cables. When W561 was unplugged, the counterstarted working, record/standby would also work. | ||
| Sony | TAE1000ESD | AUDIO ONLY IN DOLBY SURROUND MODE - RESOLDER IC1001 | The audio will only pass in Dolby Surround mode, while theother modes are intermittently distorted. | ||
| Sony | STRGX67ES | UNIT IN PROTECT MODE | Unit flashing P indicator and had no audio out. Protectrelays are open and no 4.5V from IC101 on display MCB (pin 77, 78, 79OVDC). Protect In pin No. 37 on IC101 was at 4.5VDC. I traced theproblem to a leaky protect detect transistor Q709. | ||
| Sony | SPPA60 | NO TX ON HANDSET, RX O.K. | Unit's handset does not transmit. Receiver works O.K. | ||
| Sony | STRD1090 | NO PIN CONFIGURATION FOR IC150 IN FRONT OF SERVICE MANUAL | While installing a new IC150, I found all IC pin-outs infront of the service manual except for IC150. -HQ COMMENTS: We will notify Tokyo on the missing information inthe service manual. Thank you for the information. |