TV Repair: Common Faults and Solutions.
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Results: 87439
Results: 87439
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | KV27XBR60 | Vertical bars behind picture after warm-up, replaced cm-1301 | During warm-up, three vertical bars would appear evenly spacedacross screen, each about two inches wide, first dim then progressivelydarker, tv or video in even with no signal power supply. using black rasterpower supply, found input to cm1301 ok, but outputs (y an | ||
| SONY | SPP110 | Id transfer between base and portable cannot be completed | Will not assign security code when handset is placed on base. | ||
| SONY | XR7100 | Balance and fade not working properly | Balance and fade not working properly. customer wired harnesson unit to install in car. | ||
| SONY | KV32CX10 | Horizontal lines top and bottom of picture, replace c-1548 | Two horizontal lines top and buttom of picture will fade some-what as set warms up. it will also be effected by adjusting the verticalsize control. | ||
| SONY | CCDTR5 | Drum reverses and unloads tape | When in rewind, drum reverses. when loading the drum slowsdown, then the tape is unloaded. the unit first came in with multipleproblems from an authorized servicer. the above problem occured when thevs-22 board was replaced. | ||
| SONY | CDPC100 | Disc jammed inside | Disc jammed when going into magazine after play. | ||
| SONY | CCDF36 | No zoom | Camera had no zoom functions. | ||
| SONY | KV27HSR10 | No color in tv mode but ok using video modes, see tvp sb 39 | Unit displayed colors in video modes but not in the tv (tunermode). chroma signal was present up to ic301 (jungle chip) in both modes. | ||
| SONY | CCDF40 | Unit powers up but does not accept any commands | The unit powered up ok but did not accept any of thecommands. there was no vtr power signal going to the dc-dc converter.the vcr power signal was present at pin 35 of ic-001, but it was not atcollector of q-079. unregulated voltage was missing at the e | ||
| SONY | CCDF40 | No tele/wide operation | There was no lens movement when the zoom switch was pushedfor wide angle. with the zoom switch pushed to the wide side, therewas not a low at pin 4 of ic-200 of ss-86 board. there was an openingbetween w001 pin 5 (wide) and the resistor r-029 on the ss | ||
| SONY | CCDF70 | Cassette compartment does not load or unload | The cassette compartment did not load or unload. when thecassette compartment was closed, there was not a low at pin 34 of ic-101of the fc-25 board. there was opening of the ccdown connection betweenfp-118 pin 32 and cn-007 pin 16 of the ss-93 board. | ||
| SONY | SLV70HF | C608 correct part number (mf-42 board) | The service manual shows c608 as 220mf this is incorrect. | ||
| SONY | CFD444 | Skipping during cd play | The unit skips on cds with 10 or more tracks, mostly on tracks 12 through 20. | ||
| SONY | D9 | Disc spins backwards intermittently | Discs spin backwards intermittently. this is due to c-533becoming leaky or becoming shorted because of the glue used to hold itto the board. | ||
| SONY | SLV555UC | Removal of left and right ornamental plates. | The service manual omitted the procedure to remove the subjectplates from the control door. | ||
| SONY | WMAF604 | Belt comes off the reverse pulley | Newer units have a modification from the factory with a largerreverse pulley (ref. no. 363) and a rubber cushion to keep the belt fromslipping off. a service bulletin with these part numbers should beissued. -hq comments:the part numbers for the new pa | ||
| SONY | TAAX380 | Intermittent board to board connector | Intermittent operation of power switch or remote control.traced to intermittent contacts at connector between control board andmain board. slight pressure on front panel would usually make unitwork. | ||
| SONY | CCDV700 | Ccdv700 comparability | Customer has ccdv700 and wants to know comparable u.s.model. -hq comments: ccd-v700 is the same as the ccd-v101. | ||
| SONY | CCDTR5 | Transport noise in ff, rew and play | Conversion gear (no. 353) had too much play on shaft and wasintermittently hitting relay belt (no. 367) causing grinding noise. | ||
| SONY | DT4 | Sled gears jamming | We have seen 5 or 6 d2, d4 or dt4 models with sled gearsjammed on new motor assembly (x-264-153-72). perhaps the fop is draggingon the shaft (ref. 201) and causing the gears to move out of place. also,i believe that if the rack gear (ref. 203) is inser |