| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | TCW320 | NO RECORD ON B DECK | No Record on B deck. Traced problem to loose CNP-73B on MDboard. | ||
| Sony | CCDTR5 | RK GOES UNDER SUPPLY REEL AND GETS DAMAGED | RK gear will go under supply reel in Rewind and breaks. Wash-er No. 256 was missing. RK gear was too close to chassis and would gounder supply reel. Also credit W. Taylor with this report. | ||
| Sony | SPP320 | ERROR ON BASE BOARD | Transistors Q-609 and Q-610 are identified in reverse on theBASE board. -HQ COMMENTS: Thanks for the info. The schematic and board layouts arecorrect in the service manual. Q-609 is a PNP, and Q-610 is an NPN.The right transistors are inserted in thei | ||
| Sony | WMF50 | P/N FOR SCREW INCORRECT IN SERVICE MANUAL | The P/N for Ref. 8 on Page 19 of the S/M is incorrect. TheP/N listed is X-3328-616-1 which is referenced to a Bracket, Block Assyfor an MVP-2500 by the KCP system. The part needed is a precision screw+P 1.4x3. | ||
| Sony | CDX7540 | DISPLAY SHOWS UNREADABLE CHARACTERS UPON POWER-UP | When first turned on, display shows unreadable charactersuntil any button is pressed, then display works normally. Noticed thatamp. remote lead was always at 9V, whether the unit was on or off.Found transistor Q-414 partially shorted and physically dama | ||
| Sony | SL2700 | UNIT WON'T PLAY | Unit has no capstan rotation. Pinch solenoid is not activatedand reel motor free run and drum runs normal. Changed IC-602 and 301 onSS-14 board and its still the same. If I manually rotate capstan forchecking FG, I get about 1/4 volts p-p FG signal (s | ||
| Sony | EVS550 | NOISY PICTURE | Unit showed noisy picture on most channels, some channelslooked ok on the EE mode. Looking at the video signal very hard to detectproblem. Scoped voltage lines and could not see anything wrong. Oncloser observation the 12V line had 50mV of white noise | ||
| Sony | SPP170 | UNIT SEIZED LINE GAVE IMPRESSION IT WAS DIALING - WAS NOT | Unit seized line and gave impression that it was dialing butit was not. | ||
| Sony | CDPH300 | NO SOUND FROM CD PLAYER | No sound when CD was being played. Found that analog audiowas going into line amp (IC-224). No audio was coming out of IC. Foundthat there was no -5V on pin 9. | ||
| Sony | TL7 | PART NUMBER OF PAD, EAR | The part number for the ear pad is not listed in the servicemanual. | ||
| Sony | KPR46DX10 | NO PART NUMBER FOR BRACKET, THIS IS NOT A REPLACEMENT PART | Bracket for door is not listed in parts list. Can you locatepart at VTM or from Tokyo and expedite delivery. -HQ COMMENTS: We were able to straighten out the bent bracket. Thisbracket is not available normaly as a replacement part. | ||
| Sony | KV25XBR | SET SHUTS DOWN - WHEN ITS ON HORIZONTAL WIDTH IS PULLED IN | Set shuts down upon turn on but if you turn it on a number oftimes, it will turn on but horizontal width is pulled in approximately 1/4to 1/2 inch on each side of the picture. | ||
| Sony | TCM600 | PLAY BUTTON LABELED INCORRECT IN SERVICE MANUAL | The Play Button located on page 19 of the Service Manual(Location A-4) is labeled Button, REW. It is the larger of the threebuttons in that location and connects to the Lever, FWD part number3-557-514-00. | ||
| Sony | KV32XBR65 | HORIZONTAL CENTERING PROCEDURE MISSING FROM SM, SEE SB 102 | The horizontal centering adjustmnet on page 30 of the servicemanual omits the fact that a horizontal centering tap exists as shown onpage 36, the F board. If the remote commander adjustment is made withthe tap in the wrong place, some sets will exhibit | ||
| Sony | KV32XBR15 | HORIZONTAL CENTERING: SERVICE MANUAL PROCEDURE, SEE SB # 102 | The horizontal centering adjustment on page 30 of the servicemanual omits the fact that a horizontal centering tap exists as shown onpage 36, the F board. If the remote commander adjustment is made withthe tap in the wrong place, some sets will exhibit |