TV Repair: Common Faults and Solutions.
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Results: 87438
Results: 87438
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | FDL320 | Replacement lcd assembly | Replacement lcd assembly has part of copper shield missing.missing shield exposes solder terminals. when shield plate (15 pg. 21)re-installed, it shorts exposed terminals. when terminals short, lcd isdamaged, or dc board is damaged. | ||
| SONY | FDL320 | Part number for battery lid | Customer needs a battery lid. part number is not anywhere inthe service manual. -hq comments: battery lid is part of the rear cabinet, they will not besold separately. | ||
| SONY | KPR36XBR | Part number for cp-105, 1-235-084-11 | Cp-105 on (a) board has no part number. -hq comments: the part number is 1-235-084-11. | ||
| SONY | KV2645RS | Vertical shrinkage, replace c518 | Set came in with vert. fold over, and vertical shrinkage.this unit had been worked on by an unauthorized person. i found ecgtransistors in the vertical output circuit. with the sony sub. trans q502(8-765-500-00) failed right away. replacing it with th | ||
| 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. power supply 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. | ||
| SONY | CDXA30 | Unit does not work | Unit would blow fuse when disc attempted to play. found -5voutput of dc-dc converter was dead. before replacing converter checkedresistance on -5 line. it was shorted. removing flex to rf pcb showedproblem was on rf pcb. this is the second unit with |