Dicas Reparação SONY
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | TCFX707R | NO/INTERMITTENT TAPE TRANSPORT | Tape will intermittently stop or not run at all. Tech FlashNo. 003 dated 3/11/85 says to tighten gnd screw and add a star washer tosyscon board. I tried this, it made no difference at all in the problem. | ||
| Sony | XR6080 | WRONG PART NUMBER IN SERVICE MANUAL | Audio output chip IC-601 has 8-759-801-11 listed as the partnumber. This is incorrect. The correct part number is 1-806-801-11. -HQ COMMENTS: Thanks for letting us know. We will publish a servicebulletin. | ||
| Sony | DT4 | PLL FREE RUN FREQUENCY IS NOT CORRECT | Tested eight units with the following PLL free run frequen-cies:4.350 MHz, 4.342MHz, 4.342MHz, 4.349MHz, 4.355MHz, 4.346MHz, 4.355MHz,4.367MHz. In these units there is intermittent servo lock or noise inaudio. What should PLL frequency be? -HQ COMMENT | ||
| Sony | D4 | PLL FREE RUN FREQUENCY IS NOT CORRECT | Tested eight units with the following PLL free run frequen-cies:4.350 MHz, 4.342MHz, 4.342MHz, 4.349MHz, 4.355MHz, 4.346MHz, 4.355MHz,4.367MHz. In these units there is intermittent servo lock or noise inaudio. What should PLL frequency be? -HQ COMMENT | ||
| Sony | XR7150 | OPEN TRACE (PATTERN) +B LINE ON AMP BOARD | Have seen open pattern on +B line on amp board at lower lefthand side by IC-501. -HQ COMMENTS: This pattern may actually have opened during service. Theoutput ICs fail and unit is brought in for service. If the techniciandoes not ground amp board with | ||
| Sony | XR7180 | OPEN TRACE (PATTERN) +B LINE ON AMP BOARD | Have seen open pattern on +B line on amp board at lower lefthand side by IC-501. -HQ COMMENTS: This pattern may actually have opened during service. Theoutput ICs fail and unit is brought in for service. If the techniciandoes not ground amp board with | ||
| Sony | CFSW510 | PART NUMBER FOR AC ADAPTOR | What is the part number for the AC adaptor? -HQ COMMENTS: This unit has a transformer (power supply) built in.Therefore, you only need an AC power cord. The part number is1-557-287-11. | ||
| Sony | STRAV1010 | NO SURROUND OUTPUT OR LOW SURROUND OUTPUT | Customer complains of no output from the rear surround outputsor low output. Other complaint is that the surround output varries inlevel. Sometimes there is much output and other times during same programthere is no output. -HQ COMMENTS: The output to | ||
| Sony | STRAV910 | NO SURROUND OUTPUT OR LOW SURROUND OUTPUT | Customer complains of no output from the rear surround outputsor low output. Other complaint is that the surround output varries inlevel. Sometimes there is much output and other times during same programthere is no output. -HQ COMMENTS: The output to | ||
| Sony | KV27HSR10 | MISSING P/N FOR SOUND PROCESSOR IN S/M, 8-741-159-30 | In schematic on (A) board, sound processor located at G-8 isnot marked at all. It is not found in the parts listing anywhere. -HQ COMMENTS: The part number is 8-741-159-30 which is mentioned inthe miscellaneous section of the parts list. This IC is lo | ||
| Sony | CCDV11 | MOISTURE ON TAPE INDICATION | In the CCD-V11 owners manual on page 100 it refers to anemergency indication. Moisture present on tape surface. Is this right?How do we sense this? Maybe if the tape sticks to the drum we can monitordrum rotation? -HQ COMMENTS: There is no circuitry | ||
| Sony | CDXR79 | ADJUSTMENT OF SPINDLE DRIVE OFFSET | There is no adjustment in the service manual for the spindledrive amp. | ||
| Sony | CDXR77 | ADJUSTMENT OF SPINDLE DRIVE OFFSET | There is no adjustment in the service manual for the spindledrive amp. | ||
| Sony | KV2675R | PICTURE CANNOT BE LOCKED VERTICALLY, IC-301 SEE S/B TVP0236 | IC-301/CX20129 was replaced with substitute IC: CX20193. Thenthe picture was rolling vertically and could not be locked. -HQ COMMENTS: As per Service Bulletin No. TVP0236 and (0025): CX20129(early production) and CX20193 (late production) are not inter | ||
| Sony | KPR36XBR | CHARACTER DISPLAY VERTICAL POSITION, ADJUST L-102 (IC-104) | Volume, picture and bar display is too low. Bottom half ofbars below picture looked normal. Please advise how to adjust verticalposition. -HQ COMMENTS: There is no vertical position adjustment. Pin 18 ofIC-104 (A) board is the vertical adjustment inp |