Sony TV Repair: Common Faults and Solutions.
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Results: 20067
Results: 20067
Sony Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | CFSF11 | Cracked gear | Cracked gear. | ||
| SONY | CDP701ES | Removal of shorting clip | Even though new opb was installed, unit did not operate. | ||
| SONY | CDP701ES | Chucking motor switch not engaged | The unit rejected the disc intermittently. opened the unitand found the chucking operation was not done, when we closed the disctable. | ||
| SONY | XR25 | Replacement part is too small | Per hq's comments for my fpr, i ordered the sub. spring(p/n 3-317-637-01). but it is too small as a sub for the original(p/n 4-303-774-xx). -hq comments: 3-434-137-02 is a correct number. kcp does not have instock presently. we will issue a t/n soon. | ||
| SONY | XR15 | Poor contact at connector | Intermittent audio (fm only). this was present w/radio andtape modes. i have seen two xr-15s with this problem. | ||
| SONY | WMD6 | Dirty switch contacts | We have been seeing guite a few units with low voltage onplayback. the problem is caused by dirty contacts on s902/playback mute.a little emery paper and a drop of lubricant (tv tuner type) resolvedthe problem. | ||
| SONY | WM7 | Switches not in place | Cp801 latches up. grounding emitter of q303 resets system,when condition appears. -hq comments: after a command such as rew is activated, feedback tothe cp801 control circuit on the flex board must return or the cp801latches up. the feedback for the c | ||
| SONY | TCK60 | Loose bushings | Distortion on p/b with 3kc ws-48b. speed ok but sounds likean electronic oscillation problem. | ||
| SONY | TCK60 | Bushing post cap wears off | A varying drag on the supply reel causes wow and flutter. | ||
| SONY | TCFX500 | Worn capstan bearing | The customer complained of an intermittent pop in bothchannels when playing the tape in the reverse direction. we found thecapstan bearing (reverse direction) to be providing a poor ground. | ||
| SONY | TCFX45 | Worn thrust retainer | This unit skewed tdk sa and maxell udx tapes at the verybeginning. we found that there was too much play in the capstan. thiswas caused by the plastic thrust retainer becoming slightly distorted. | ||
| SONY | TAP7F | Replacement xsistor leads too short | National parts center is substituting 2sa1141 for 2sa1097and 2sc2681 for 2sc2571. the substitute transistors have leads that aretoo short. | ||
| SONY | STA7B | Poor solder connections | Intermittent display and stations drifting. | ||
| SONY | SPP11 | Malfunctioning ic4 | When turning s2 to talk position on the hand unit, pin 8 ofic2 in the base unit goes low. to engage the phone line relay ry throughrelay driver q13. the relay did not click. | ||
| SONY | SPP11 | Leaky diode | Even when there was an incoming signal from tell line jack tophoto coupler, the call tone did not ring. | ||
| SONY | PSFL1 | Intermittent s6 | The unit intermittently would not shut off after the drawerwas fully open. this resulted in the gears grinding. we found s6 to beintermittent. we have also observed that whenever we encounter thiskind of problem that it is necessary to check the mesh | ||
| SONY | CFS88S | Burnt switch | Unit has no power or appears to be running on very low supplyvoltage. type of supply (ac, dc internal, or dc external) irrelevant tosymptom. s903 (power switch) has developed high resistance due to contactburning. | ||
| SONY | CDP200 | Poor contact between clutch and the disc | Unit skips. music comes and goes. noted that tracking errorand sled waveforms would go crazy when problem occurred. tracking errorwould alternate between traverse signal and servo loop signal. we foundthat the disc would wobble just before the proble | ||
| SONY | WMF10 | Worn take-up reel | Take-up reel drags - causes motor current to exceed 1/2 ampin rwd, and w&f to occasionally rise over 0.25% in fwd. | ||
| SONY | WMF5 | Open cap on osc circuit | No fm - subbed out osc with generator to verify the fm oscwas dead. |