Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | FD2A | TV INTERMITTENTLY NO PICTURE, REPLACED S-151 | Picture comes and goes intermittently. | ||
Sony | KV20EXR10 | INTERMITTENT PICTURE, REPLACED TUNER | After warm-up, flashing noise would appear in picture. Ser-vicer was unable to locate bad solder connection in tuner. | ||
Sony | SPP115 | UNIT DOES NOT WORK AFTER MAIN BOARD IS REPLACED | The unit does not work after the main board in either the baseor the handset is replaced. -HQ COMMENTS: The replacement boards have blank ID ROMS. Therefore,after replacing either the handset or base unit board, remove the ID ROMsfrom both old boards ( | ||
Sony | KV27TS25 | DIRECT PICK UP, SEE SB TVP0101, 1-536-59161 | Customer complaint of ghost bars on left side of screen whenwatching local channels on cable system. RF level from nearby transmit-ting tower is high. | ||
Sony | SPP320 | IF UNIT DOES NOT WORK AFTER MAIN BOARD IS REPLACED | The unit does not work after the main board in either thebase or the handset is replaced. -HQ COMMENTS: The replacement boards have blank ID ROMS. Therefore,after replacing either the handset or base unit board, remove the ID ROMsfrom both old boards ( | ||
Sony | TADL100 | INCORRECT LABELING OF ICS ON DECODER BOARD | The service manual has IC-203 as the clock oscillator(SN74HCU04) and IC-204 as the wave shaper (SN74HC00N), the physical boardhas IC-203 as wave shaper and 204 as oscillator. -HQ COMMENTS: Make the necessary changes in the manual. A servicebulletin wil | ||
Sony | KV27TW70 | DIRECT PICK UP, SEE SB TVP0101, NEW ANT COUPLER | Customer complaint of ghost bars on left side of screen whenwatching local channels on cable system. RF level from nearby transmit-ting tower is high. | ||
Sony | FD10A | NO HORIZONTAL SYNC, REPLACED C504 | Inoperative phase detector, 0vdc at pins 16, 17 and 18 ofIC-501. Found shorted C-504. | ||
Sony | KPR53EX20 | R-697 MISSING FROM THE SERVICE MANUAL, SEE SB # OO71 | R-697 is not listed in either the schematic or the partslisting of the service manual. -HQ COMMENTS: This resistor is located between pin 6 of T-605 and pin 2of T-607. Please refer to Service Bulletin No. TVP0071 of Feb. 8, 1991for more information. | ||
Sony | KV20EXR10 | NO PICTURE - NO DISPLAY, REPAIRED CRACK ON "C" BOARD | No picture and no display. Y/C inputs to IC-301/pins 3 and 5ok, but no RGB outputs. IC-301/pin 7 at 0.2vdc confirming IC-301 has pic-ture muted. IC-301/pin 25 IK pulse shows no red sample. RGB referencepulses present at inputs to C board, but red pul | ||
Sony | KPR46EX25 | R-697 ON G BOARD NOT LISTED, SB 0071 | R-697 is not listed in either the schematic or in the partslist. -HQ COMMENTS: This resistor is located between pin 6 of T-605 and pin 2of T-607 on the G Board. Please refer to service bulletin No. TVP0071of Feb. 8, 1991 for more information. | ||
Sony | SPP90 | NO DISCONNECT - WALLMOUNT | When phone is hung-up (wallmount position), there is no chargeand no disconnect. | ||
Sony | SPP50 | NO DISCONNECT - WALLMOUNT | When phone is hung-up (wallmount position), there is no chargeand no disconnect. | ||
Sony | CDPC50 | WHEN TURNED ON, OPENS TWO INCHES - DEFECTIVE SW-105 | When first turned on, tray would open about two inches, rotateand then all discs played all functions were ok. Did complete mechanicalalignment. Now every time a disc was selected, optical rack would go downok but the tray would open about two inches a | ||
Sony | SBV900 | POWER ON BUT NO AUDIO VIDEO OUT | Found missing 12 volt. Replaced IC-001 but this did not solvethe problem. Found that the original IC-001 was installed backwards, soreplacement was installed backwards. Also found R-003 as a 680 Ohmsresistor, but the service manual shows it at 3.3K. |