Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | PCM601ESD | NO VCO STARTUP | VCO for sync separator IC would not start. If power wereremoved and immediately reapplied, VCO would start. Replaced Q-529suspecting gain had changed - no difference. Also applies to serialnumber 801237 | ||
Sony | RMX1 | SHORT ON ACC B+ LINE | Replaced damaged remote cord and connected unit for testing.Fuse on ACC B+ line blew. DVM showed line was shorted, but when box wasopened and disassembled there was no short. Reassembled and immediatelyblew another fuse. | ||
Sony | KV32SXR10 | BRIGHTNESS FLUCTUATION, REPLACE 12V REG IC-105 | Brightness on picture tube would vary at a rapid rate, butvery slight. Scope shot of RGB signal to CRT at A-16 Connector revealedslight DC shift which was in phase with brightness changes. Further testsrevealed the following. The 12V line measured 11V | ||
Sony | CPD1302 | BAD PURITY | Two problems noted - thermistor shorts - blows fuse.Thermistor overheats - melts solder where mounted to board causing openconnection. | ||
Sony | CPD9000 | CURVATURE OF CRT | We need the specification on the curvature (Radius) of theCRT used in this model. -HQ COMMENTS: _______ | |Y= 11560mm |_______| X= 2275mm | ||
Sony | SL2500 | SHUTDOWN IN FF OR REW MODES ONLY | Shuts down in FF or REW. All other operations, play, recordand swing search are normal. | ||
Sony | CDXR88 | AUDIO CUTS OUT INTERMITTENTLY | Audio will cut out - sometimes with time or with temp. | ||
Sony | CCDV11 | BASE (1) GUIDE RAIL ASSEMBLY MISSING A GUIDE PIN | Picture rolling, looses vertical because tape tension is notnormal without the post that is shown on the picture attached. Founddifferent base (1) with and without the guide - needs assistance, to findpart number for guide missing, not shown on any serv | ||
Sony | CCDF45 | INCORRECT PART NUMBER D-301 | Correct part number 8-719-820-44. -HQ COMMENTS: Thank you for the information. A service bulletin willbe issued. See CSV-3 No. 162. | ||
Sony | SPP80 | CONSTANT BUZZ IN AUDIO | There is a constant buzz onto the speaker of the handsetas soon as the TALK button is pressed and the receiver is energized. | ||
Sony | KV27XBR10 | SEVERE PINCUSHION DISTORTION,REPLACED L-501, R-571, AND Q505 | No correction occurring, L-501 and R-571 open Q-505 shorted.This is the forth set I have seen with these parts bad. IC-531 also re-placed. Labels for Q-505 pins are incorrect on the board and in S/M boardlayout it would be difficult to install the tran | ||
Sony | KPR41DS2 | VERTICAL CONVERGENCE PROBLEM, REPLACED THE NECK ASS'Y | Vertical convergence problem. Eight out of eleven units hadthe same problem. Serial numbers which also apply are: 8015025, 8014453,8014500, 8015063, 8015069, 8014430, and 8014424. | ||
Sony | CCDF330 | DARK PICTURE - NO LUMINANCE INTERMITTENTLY | Multiple intermittent problems with camera video whencompletely assembled. Clears up when camera PC boards are removed fromtheir mounting positions. | ||
Sony | KV27XBR10 | NO CHARACTER DISPLAY, COLD SOLDER C-517 ("A" BOARD) | Servicer had changed IC-101 and IC-301. With set on and audiomuted, found no clock activity at IC-101/pins 34 and 35, so no displayoutput at IC-101/62. Found no H-ref pulse at IC-101/59. Source of thispulse is C-516, C-517, C-518 divider off Q-503 H-o | ||
Sony | SL340 | FLEX CONNECTOR NOT SUPPLIED BETWEEN THE MF-40 & VS-33 BD'S | On page 62 of the SL-340 service manual it says that thiscable is unavailable. Is this correct? Can we get a part number for thiscable, I have a servicer who needs one? -HQ COMMENTS: The flexible cable part number is 1-563-626-11. |