Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por:![]() |
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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. | ||
Sony | KV2670R | INTERMITTENT VERTICAL JITTER ON TAPE, R-854 VALUE CHANGE | This unit had an intermittent vertical jitter on copy guardtapes. The tape I viewed was MCM home video - MASK. The vertical jitterwas worse in the beginning. The tape was played through two SL-HF900and an SL-HF600 with the same results. | ||
Sony | CCDM8U | WIND SCREEN | We have been getting a lot of request for the wind screenwhich detaches from the mic. Will a part number be issued for the windscreen? -HQ COMMENTS: A S/B will be issued for the following models: CCD-V8 2-536-720-01 CCD-M8U X-2536 | ||
Sony | SLHF300 | SNOWY PICTURE | Snowy picture, receives no channels. | ||
Sony | XR740 | NO AUDIO OR MOTOR OPERATION | No audio or tape operation but AM and FM appeared to function.Found Q302, Q304, Q402, Q404, Q501 and Q601 muting. This was due to IC701Pin 19 in mute state (2.5V). When checking B+ to IC701, it was only 2.5V.Found Q702 collector to be 0V. This is the | ||
Sony | ITA500 | BEEP TONE ERROR | When out button pressed, beep tone error produced. |