Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27XBR95S | BLACK LINE IN PICTURE, RE SOLDERED C652 (G BOARD) | TV had black lines across picture. Looked like interlaceproblem. Tapping on the G board would temporarily correct the problem. | ||
| Sony | KV27XBR45 | 10 BARS IN PICTURE,IC301 | Unit had 10 horizontal lines in the picture evenly spaced. | ||
| Sony | KV27V15 | DISTORTED COLOR, COMB FILTER | Unit came in with bad color. Purity was good but colorsseemed blurred and fluorescent. | ||
| Sony | KV27V10 | BLACK BAR AT TOP OF CRT AND PINCUSHION, REPLACED C646 | Unit had a black bar at top of screen and pincushion problem. -SOLUTION Checked IC501 on D board pin 1 was reading 1.9V DC. Replaced IC501, Black bar is gone but still read 1.9V on IC pin 1. Also picture had pincushion problem | ||
| Sony | KV27V10 | NO AUDIO ON RIGHT SIDEIC202 MISSING | No audio from right side speakers. Found problem on M board. In checking M board found IC202 missing along with related circuit. Newboard contained parts. - SOLUTION: Replaced M board unit operated normal. -HQ COMMENTS: This is a 1994 model. Too lat | ||
| Sony | KV27S10 | INTERMITTENT VIDEO, RESOLDERED COMB FILTER/PIN 3 | Intermittent video. | ||
| Sony | KV27HFR | DEAD SET SHORTED DAMPER DIODE, Q501 | Customer reported dead set found D512 shorted, replaced D513also and Q551 and C550 as precaution. | ||
| Sony | KV27EXR25 | PIN CUSHION AND LOCK ON CH 2, IC104 | No sound, pin cushion problem, and came up onlyon channel 2. Only function that worked was the power on/off. | ||
| Sony | KV20VM20 | TV SHUTS OFF, Q1814 | Set shuts off by itself intermittently. | ||
| Sony | KV20S10 | PHANTOM OPERATIOIN, REPLACED CF001, CLOCK ERROR | Unit exhibits phantom operations. Such as unit runs off by itself, volume goes up and down bu itself and sometimes locks up. ASC replaced micrro and same. | ||
| Sony | KV20M10 | SHUT DOWN,FLYBACK | Shut down. -SoLUTION Replaced flyback unit worked fine.Note: original part # on old flyback in not a good number 859822200. -HQ COMMENTS: You should use the P/N in the service manual not thenumber on the part. P/N can change depending on vendor. | ||
| Sony | KV20M10 | LOW AUDIO, TUNER | Audio was very low when set to max. | ||
| Sony | KV1928R | SERVICE MANUAL SCHEMATIC CORRECTIONS | The schematic diagram contains two mistakes. They are: 1. R524 listed as 3.9 ohm should be 3.9k Located across T502 It's part number is 1-247-720-11. 2. T503, 24 volt winding is listed as pins 9 & 11. It should be listed as pins | ||
| Sony | KV13VM21 | TICKING NOISE IN STANDBY, Q1801 | Ticking noise coming from unit when in standby.Oscillator actually starting and stopping. Problem caused by theStandby Regulsator Q1801. Replacement resolved problem. -HQ COMMENTS: IC1802 and IC1803 also exhibit the same symptom. | ||
| Sony | KV13VM21 | NO RECEPTION CABLE CONNECTOR (JACK) BROKEN | Customer reported TV had snowy picture. Found F connectorjack turned and was loose. Analysis of set found F plug defective.No continuity between pin and socket connection, inside F plug . Servicemanual exploded view pg 139, 14-2 showed F plug as pa |