Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KX2501 | H SQUEAL AND MISCONVERGENCE, REPLACED HVR AND L504 | Unit had H squeal. Also, found when unit was cold, it hadmisconvergence on edges of CRT. After the unit warmed up, convergence wasOK. | ||
| Sony | KV2649RX | SNOWY PICTURE, NO CHANNEL LIGHT, REPLACED HPT | High band good, no low band or cable. No channel readout.Found had no -30 volts, HPT open. | ||
| Sony | CCDM8U | NO COLOR DURING RECORDING | The recording contained no color. Found problem caused by nosubcarrier clock input at pin 17 of the ED-11 board. Traced problem to apoor solder connection at IC771 on the VC-4 board. Resoldering the pinsrestored normal operation. When camera section | ||
| Sony | SLHF550 | AUDIO LINE OUTPUTS LOW IN NORMAL E-E MODE | The audio line outputs were down 15dB in the normal E-E mode.We found the problem to be caused by a defective IC501 on the SA-10 board. | ||
| Sony | SLHFR30 | INTERMITTENT LOSS OF VERTICAL SYNC | Critical or intermittent vert sync. | ||
| Sony | SLHF500 | PICTURE LOSES VERTICAL LOCK WHEN WARM | Intermittent pix lock up after two to six hours on playback. | ||
| Sony | CDP520S | UNIT READS TOC BUT WILL NOT GO INTO PLAY | Load disk and activate, scan lite comes on, reads TOC, tableruns full speed, then nothing else happens. | ||
| Sony | BMC660 | AUTO FOCUS | Auto focus runs in one direction - close up. | ||
| Sony | CDP70 | OPTICAL PICK UP | The original pick-up KSS120C (P/N 8-848-016-01) now changeto KSS121A (P/N X-4910-424-1) does not work in the CDP-70. When replacedwith the new pick-up, new laser diode does not light up. -HQ COMMENTS: Please refer to Supplement No. 1, 1985 CDP-70. Yo | ||
| Sony | CDXR7 | TECH FLASH A009 - PART NUMBER | Need P/N for buffer kit for FM tuner. -HQ COMMENTS: We are sending a few pieces for your use. A S/B will beissued listing part number. | ||
| Sony | ITA500 | INT OR NO DIAL TONE | Int or no dial tone. Incoming voice distorted and weak, unitshuts off before incoming message completed. | ||
| Sony | CCDV8AFU | NO AUDIO RECORD | Unit would not record Audio, but had good E-E Audio. Locatedproblem with freq. counter on Pin 13 of IC401 on AR-1 board. I could notadjust freq. any lower than 1.8 mHz with RV402. I replaced IC401 butthis did not help. I found that the ground end of | ||
| Sony | BMC220 | COLOR DISTORTION: BLUES AND YELLOWS APPEAR RED | Tube had low output and was replaced. Camera adjustmentscould not bring any blue or green colors, both appeared red. Replacementof VC-3 bd also did not help. | ||
| Sony | CCDV8AFU | INTERMITTENT OPERATION OF CONTROL MOTOR | Blowing fuse PS601 intermittently. This motor should drawabout 60mA under normal operation, increasing to about 170mA at the end ofboth threading or unthreading (max. load). This one was drawing over 1.2AI have two units with the same problem. | ||
| Sony | CCDV8AFU | COLOR DISTORTED | One pulse missing on IC707. IC708, CP-9 board (sync gen) alsoreplaced. |