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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | TCU270 | SET CAN'T FUNCTION WITHOUT POWER SUPPLY; JIG DOESN'T WORK | We needed an 18 vac center ground tap power supply to testthis unit. Our shop jig would not work. I ordered the power transformerfrom the AVU-270 model, wired A/C to the input and used the 18Vct windingto power the TCU-270. The windings (secondary) vo | ||
| Sony | SLV555UC | LOST OF CONTRAST IN LOOP THROUGH | When the playback output signal of another unit is loopedthrough the SLV-555UC, the picture looses contrast. | ||
| Sony | XR7300 | MISSING PART NUMBER, KNOB (HANDLE FITTING) | The lift tab on the handle (Knob, Handle Fitting) does notcome with the new handle and most service manuals do not have the partnumber listed. | ||
| Sony | XR5507 | MISSING PART NUMBER, KNOB (HANDLE FITTING) | The lift tab on the handle (Knob, Handle Fitting) does notcome with the new handle and most service manuals do not have the partnumber listed. | ||
| Sony | XR4057 | MISSING PART NUMBER, KNOB (HANDLE FITTING) | The lift tab on the handle (Knob, Handle Fitting) does notcome with the new handle and most service manuals do not have the partnumber listed. | ||
| Sony | UP850N | PRINTER IS NOISY WHEN USING UPP-110HD PAPER | When UPP-110HD paper is used, the unit squeaks and makes loudnoises like old typewriter striking the roller. When you use the UPP-110Spaper, everything is quiet. The only difference between the paper is theUPP-110HD has a shiney surface. We are going | ||
| Sony | CCDTR4 | CAPSTAN ERROR | Using the RM-95 and looking at last fault it showed 00:04(capstan error). Mr. Takesue informed me he has seen 3 or 4 with thisproblem and it turns out to be the flex connectors (pins 1 and 2). Itseems that the pins are pushed down where their not makin | ||
| Sony | SLV575UC | CAPSTAN MOTOR STOPS IN EP | After about 10 to 15 minutes, the capstan motor stops thenstarts up and then stops again. Found the motor getting hot and motorshorting. | ||
| Sony | HST69 | REPLACEMENT IC CAUSES DISTORTION IN OUTPUT | After replacing the power amp SI-1125HD (P/N 8-759-301-25)with its perscribed replacement, the new IC produced noise on the output.Tried another replacement and problem remained. Also removed thecapacitors as described in Hi-Fi bulletin No. HFP0116 to n | ||
| Sony | XR5500 | MISSING PART NUMBER, KNOB (HANDLE FITTING) | The lift tab on the handle (knob, handle fitting) does notcome with the new handle and most service manuals do not have the partnumber listed. | ||
| Sony | KV27EXR15 | DARK PICTURE, REPLACE Q-711 ON "C" BOARD | Unit had very low luminance chroma present and predominatelyred. Looked very much like a low screen voltage problem. Troubleshootingthe C board showed 200V on R, G and B output collectors. They werenot turned on. Found Q-711 Base at .22V and Emitter | ||
| Sony | XM3520 | PROTECTION TURNS ON | The protection circuit is activated when the unit is connectedto other equipment or when it is tested.Serial Numbers Applicable: Up to 30,750. | ||
| Sony | MDP200 | NO CLV LOCK ON CD - LD OK | CD would not lock, no play but LD is ok. Authorized servicerreplaced CD spindle motor. I looked in the computer - SDIS and read FPRnumber L1639. It said magnet was too weak for CD. I didn't believe thatchanging the magnet would solve the problem but | ||
| Sony | HST201 | BOTH TAPE DECKS AREN'T WORKING - CAPSTAN PUSHED BACK | Everytime customer put a cassette into the unit the capstanwas pushed back because the plastic washer cannot hold the capstan inplace. | ||
| Sony | KV32XBR75 | INT. PICTURE SHRINKING,TROUBLESHOOTING TIP FOR POWER SUPPLY | I have had several XBR sets with complaints of intermittentpicture shrinking. Solution was no regulation of the B+ which was lower-ing under load. Here is a simple procedure that can be used when trouble-shooting this type of failure: Operate the set w |