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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | XM120 | SCHEMATIC ERROR | The unit does not match the schematic or supplement in thearea of the speaker protection. The unit has a protection LED plus theold circuit of Q501, 502, 503, 504. Can you supply me with a print ofthis version? -HQ COMMENTS: It is possible that the pr | ||
| Sony | STRAV500 | INCORRECT PART LISTED | The manual lists IC-701 as an STK4211V/8-749-920-17. The ICin the unit is an STK4191V/8-749-941-50. Does this unit use both or isthere an error? -HQ COMMENTS: The power ratings for the two units are different and thusdifferent output ICs are required. | ||
| Sony | STRAV650 | SERVICE MANUAL PART NUMBER ERROR - MAIN PCB | When above part number is received, it will not fit. Theconnector plugs are different. Investigation revealed that theA-4410-262-A board fits the STR-AV580/590. It was listed in the STR-AV67/650 manual. I found that the correct part number for the ma | ||
| Sony | GV8 | NO SOUND IN TAPE MODE | No sound in tape mode. | ||
| Sony | CFD5 | NO OPERATION | Unit will not operate. Servicer checked for FOK at pin 1, IC-1. When the scope probe is on Pin 1, the unit works. If scope probe isremoved from this pin, the set will not operate. Servicer placed 10M OHMresistor from Pin 1 to ground and set works ok. | ||
| Sony | CFSD550 | PLAY BUTTON JAMS | Plate under head deck is warped. Also S/N 59900 and 60492. -HQ COMMENTS: KCP has an improved part. Please exchange the play lever. | ||
| Sony | EVS800 | UNIT KEEPS EJECTING TAPE AND DOES NOT THREAD TAPE | Tape does not load when closing cassette compartment, goesdown and does not thread tape - tape keeps coming up and out. | ||
| Sony | STRAV67 | SERVICE MANUAL PART NUMBER ERROR - MAIN PCB | When above part number is received, it will not fit. Theconnector plugs are different. Investigation revealed that theA-4410-262-A board fits the STR-AV580/590. It was listed in the STR-AV67/650 manual. I found that the correct part number for the ma | ||
| Sony | KV27DS20 | LOCKED IN SLEEP MODE, REPLACE R-1569 | Locked in sleep mode, no picture, no audio. | ||
| Sony | KV2786R | PICTURE DARK, REPLACE R-504 | Picture very dark. Voltage at pins 24, 25, 26 of IC-301 was.8VDC at normal brightness and contrast level adjustments. All othervoltages on this IC were as per service manual. Q-305, ABL-1, was off,with a 9V DC on collector Q-304, ABL-2, was off about | ||
| Sony | KV27HFR | PICTURE PULLED IN FROM ALL SIDES, REPLACE R-655 | 135V line B+ was 117V which caused all four sides of thepicture to pull-in. | ||
| Sony | BMC550 | PART NUMBER FOR A.C.E. ASSEMBLY | I would like the part number for the complet A.C.E. Assembly. -HQ COMMENTS: The part number is A-6736-048-A. A supplement will beissued soon. | ||
| Sony | AVU270 | NO TV FUNCTION, NO TV CHANNEL DISPLAY | Indicator lights when TV button is depressed, however, TVchannel indicator is not lit and unit will not accept any TV commands. Novideo out at TV monitor position. All other functions working normally. | ||
| Sony | KV1746R | REPLACEMENT VERTICAL OUT CHIP | This chip is being replaced with uPC 1488 - P/N 8-759-113-05.It is being supplied as a kit consisting of the chip wired connector andadd-on 47pF capacitor. However, when mounted in set there will be somevertical lines in picture as well vert hold proble | ||
| Sony | KV27TR21 | NO SOUND LEFT CHANNEL, CONNECTOR A6 BECAME UNPLUGED | There was no audio on left channel as plug A6 had become un-pluged. |