TV Repair: Common Faults and Solutions.
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Results: 87436
Results: 87436
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | KV27TW70 | No raster, replace c-574 | No raster - sleep light on and audio is muted. turning upscreens raster showed retrace and foldover at top of screen. sprayingvertical section raster would return but retrace still visible and fold-over still present. | ||
| SONY | KV27TX10 | No raster, replace c-574 | No raster - sleep light on and audio is muted. turning upscreens raster showed retrace and foldover at top of screen. sprayingvertical section raster would return but retrace still visible and fold-over still present. | ||
| SONY | KV27TX11 | No raster, replace c-574 | No raster - sleep light on and audio is muted. turning upscreens raster showed retrace and foldover at top of screen. sprayingvertical section raster would return but retrace still visible and fold-over still present. | ||
| SONY | KV27TX12 | No raster, replace c-574 | No raster - sleep light on and audio is muted. turning upscreens raster showed retrace and foldover at top of screen. sprayingvertical section raster would return but retrace still visible and fold-over still present. | ||
| SONY | D25 | Intermittent does not track/start play | Unit does focus search ok but it cannot play. unit keeps try-ing to track because optical device cannot reach the limit switch. a moldmounting shaft in md chassis assembly is in the way of optical device. ittouches rack (a) mounted on optical device. | ||
| SONY | CCDF40 | No sill adjustment | Service manual shows still adjustment pot rv-003. there is ahole in board for this adjustment but no adjustment pot is there. how doi adjust? -hq comments: in playback pause, use edit search button on top ofcabinet to adjust for best pause. | ||
| SONY | CCDSP7 | No sill adjustment | Service manual shows still adjustment pot rv-003. there is ahole in board for this adjustment but no adjustment pot is there. how doi adjust? -hq comments: in playback pause, use edit search button on top ofcabinet to adjust for best pause. | ||
| SONY | KV27HSR10 | Srs malfunction, replace the srs module see tvp sb # 45 | Hum above the volume level when in the s.r.s. mode, alsovolume levels changing. this problem does not show up all the time. -hq comments: please refer to service bulletin no.45.new srs module p/n 8-741-592-02module bracket p/n 4-393-435-05 new bracket | ||
| SONY | XR7300 | Accessory bracket | There is no gmd bracket listed for the xr-7300. | ||
| SONY | XR7280 | Accessory bracket | The optional accessory bracket for the xr-7280 is notprovided. | ||
| SONY | ST72TV | Board does not match service manual | Board does not match the service manual. | ||
| SONY | KV8000 | Capacitor gets hot because of sub part number | Part 1-123-172-11 is being substituted to 1-123-267-00. thephysical size is smaller than original part, therefore, the capacitorgets hot in the kv-8000. the servicer reports that this has happened onseveral of the sets. -hq comments: this is the large | ||
| SONY | CVM1270 | Insufficient horizontal deflection | Unit had lost horizontal drive. this caused horizontal drivetransistor, drive transformer, dropping resistor in horizontal circuit toover dissipate. two coils and a resistor in the power supply had alsofailed. technician had found and replaced these c | ||
| SONY | SLHF1000 | Capstan motor runs fast | After the unit is on for a while, the capstan motor runs veryfast. no clock at pin 2, ic-801. | ||
| SONY | SUS49OT | Part number not on master parts list | The part number for the confirmat screw, t96522421 is listedin the service manual for the sus49ot, however, when the part is ordered,they were told to order by model and description. we found that the partnumber is not listed on the master parts list. | ||
| SONY | XR7050 | Part number | Need the part number for cnp901 for parts distributor. -hq comments: the part number is 1-574-105-11. tokyo issued a servicemanual correction, correction no. 1, in june 1988. | ||
| SONY | SLV70HF | Tracking meter not coming up on screen | The tracking meter display does not come up on the screen whentracking. -hq comments: if the tape is not a hi-fi tape, the tracking meter willnot come on since the unit uses the hi-fi signal to develop the trackingindicators. | ||
| SONY | CPD1304 | No picture | When using the vga wonder card (1056 x 350) in the inhancemode, picture will blank out. -hq comments: vga wonder card drops below 28khz. this models specs willnot go below 28khz. | ||
| SONY | SLHF360 | Tape threads half way then ejects - reel table will not turn | Tape threads half way then ejects. reel table will not turn. | ||
| SONY | KV27XBR10 | Raster, no video, loss of h sync, replaced ic-531 | Screen displayed raster, no video, severe loss of horizontalsync and severe pincushion distortion. waveform check revealed no signalat pin 1, ic-531. resistance check revealed 200Ω short between pins1 and 7 of ic-531. horizontal frequency was also |