Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | SL25 | NO P/B OR F/F FUNCTIONS | No F/F mode at all. Would enter rewind mode whenever the P/Bmode was entered. The sensor leads resistance would change from 4 ohms to20 ohms whenever the leads or the PC bd of the sensor was agitated. | ||
| Sony | KX2501A | ALL BLUE RASTER, RETRACE LINES, VERY LOW VIDEO LEVEL, Q1302 | CRT raster was all blue with faint retrace lines and very lowvideo level. We were unable to reduce the blue level with CRT or bright-ness controls. DC voltage checks allowed me to trace problem to a leakytransistor, Q1302 on BD board. | ||
| Sony | KP4600B | NO GREEN VERTICAL SWEEP | With set on, there was no green and display bar (which wasblack), rolling vertically. System looks like a problem in the picturetube area, but found no green vertical sweep. With loss of verticalsweep, there is no horizontal line, because itclue was th | ||
| Sony | SLHF300 | NO POWER | Unit would not power up. Replaced IC301 (timer) but IC wouldnot reset, so problem was not resolved. | ||
| Sony | D5 | BLOWN TRANSISTORS AND IC (SLED CIRCUIT) | Unit was brought in for service due to defective sled motorgears. Upon inspection, we discovered that IC508 and Q502-505 were burntseverely. The chip transistors disintegrated. IC508 is cracked and brownin color. | ||
| Sony | BMC550 | INCORRECT P/N PAGE 148 | Typo in manual, Page 148. -HQ COMMENTS: Correct P/N SK-3 board (complete) A-7060-078-A DS-10 board (complete) A-7060-098-A DS-10 board part number is correct on Page 175 in the S/M. | ||
| Sony | KV2602 | ONLY TUNES LOW CHANNELS, REPLACED NON SONY Q008 | VC voltage at tuner would only go up to 10VDC. | ||
| Sony | TCFX505R | CONTROLLER CHIPS DIFFERENCE | When ordering IC501 and IC505, TC #9310N-032 (8-759-201-86)and TC #9310N-033 are sent instead of -021 and -022. The serial # showsthe unit falling into the former type but ICAlso fiche crosses to the new numbers. Are the two compatible? -HQ COMMENTS: | ||
| Sony | KV2680R | AUDIO EXISTS AT VOL ZERO, REPLACE IC-1107 | When the audio level is turned all the way down, you canstill hear audio. | ||
| Sony | BMC550 | REPLACEMENT NUMBERS FOR CR2025 BATTERY | Since we do not have sample CR2025 battery, can you advise theDuracell or Eveready replacement numbers? -HQ COMMENTS: The numbers are as follows: SANYO CR2025 DURACELL DL2025 | ||
| Sony | KV1515 | NO HIGH VOLTAGE | No high voltage, +115V up to +142V. Half of the dialindicators light at the same time. Sometimes the TV would work normal. | ||
| Sony | KP5040 | CABLE INTERFERENCE, SOLDERED TUNER, PRESCALER AND ANT SW | Fine diagonal lines on Ch. 4 spaced about one inch apart. | ||
| Sony | ICF200W | REF #503 AND 504 REVERSED | Ref. # 503 and 504 reversed. Should be + board A P/N 1-605-271-00 - board B P/N 1-605-270-00 -HQ COMMENTS: We will issue a T/N and S/B. | ||
| Sony | TAAX44 | MISSING P/N | Page 27 of the service manual, location 2-A. Per KC, thepart number should be X-4882-013-1. This part number is not given in theservice manual. -HQ COMMENTS: The part number is correct. Will issue a T/N and S/B. | ||
| Sony | TAAX44 | MISSING PART NUMBER | No part number in service manual nor in semiconductor book.You issued HiFi Bulletin #166 (July, 1983). -HQ COMMENTS: The part number is 8-759-100-43 as in the HiFi Bulletin#164 issued in March 1983. The MPU w/-200 has been changed to -213. |