TV Repair: Common Faults and Solutions.
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Results: 87416
Results: 87416
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | TCFX30 | Error in s/m | In the schematic section (pages 24b, 25 of both manuals)r321 and r322 are mislabelled as r332, r321 respectively. also a missingconnection line exists in both service manuals. it is located to theleft of the mislabelled resistors. -hq comments: the sc | ||
| SONY | TAYX7F | Missing part # in manual | The servicer needs to replace the volume control motor inthis unit. there is no part or even ref. number listed in the manual. -hq comments: 1) checked with npc/kc and found the motor and thevolume control comes as an assy. order the part by the numbe | ||
| SONY | STRVX5 | Part # error in manual | Receiver was dead. checked inside and found pps had nooutput. inverters were changed, still no output. t902 was jumpered andstart ckt was checked, waveform was ok. further eyeball inspectionrevealed c905 was split. -hq comments: please order the cap | ||
| SONY | STR4800SD | Missing part # | A servicer asked the part # for the fm front end (faf-033w).it is not listed in the s/m. | ||
| SONY | NR500 | Error in manual | Incorrect cal. indicator adjustment procedure. see page 10,section 3 adjustments is also error in schematic (pages 15/16/17) - d314.left and right audio channels are shorted together at c133 and c233. | ||
| SONY | MTL10 | Cam gear out of position | Several units did not work out of the box. the problem isthat the main cam gear is not properly positioned. repositioning the camresolves the problem. -hq comments: the main cam gear being out of position may have beencaused by some irregular cassette | ||
| SONY | CFSF11 | Part number for split gear | Found split gear on bracket assy head (#424) on two units.i would like separate part # for gear, or is it included in bracket assypart # x-3313-714-0? -hq comments: the gear is available separately. the part # is3-313-754-01. please refer to the t/n | ||
| SONY | WM7 | Head bracket out of position | 1) no audio, noise only. 2) low volume, audio distorted.3) low audio, low volume, high pitch noise. | ||
| SONY | TCU60 | Capstan motor replacement | The replacement capstan motor assembly is different from theoriginal. in addition to the expected rv1001 speed control potentiometer,there are two additional pots rv1002 and rv1003. -hq comments: the gain adj. of the motor assy (x-3564-030-0) has beenc | ||
| SONY | TCFX77 | Manual corrections | The hardwire diagrams for both the tc-fx77 and tc-fx600 haveerrors. the schematic diagrams appear correct. q504, q506 are shown asnpn transistors incorrectly, they are pnp. | ||
| SONY | PSLX510 | Flickering led | Locked led will flicker after 15 minutes to 2 hours ofplaying. heat or cold seems to have no effect. ic101, ic102, ic103 havebeen replaced. unit is still intermittent. -hq comments: use 100Ω resistor in place of r284, or put 220Ω inparallel to | ||
| SONY | PSLX500 | Arm motor produces noise on output | Arm motor moves eratically producing a thumping noise in thespeakers, especially audible on low recording or classical records.tracking error adjustment does not change anything. -hq comments: verified the problem thumping noise, frequency 10-15hz,becam | ||
| SONY | HMK3000 | P/n not in manual | Torque converter for rew and ff motor is not shown on partsmanual. please supply part # if available. -hq comments: please replace the motor as an assembly x-3564-015-0since the converter (gear) is press-fit. | ||
| SONY | CFS300 | Replacement parts have changed | A technician ordered the side plate for the handle with thep/n 3-313-604-00. the new part has different shape and it cannot fitin the handle. -hq comments: production changes have been done on both side plateand handle bar. please order three parts: | ||
| SONY | CFM15 | Replacement parts not correct | Customer ordered replacement parts from kansas city, but partsreceived were not identical to original parts. -hq comments: there has been a production change of mechanical trans-port. we will issue a t/n as soon as we get details from tokyo.meanwhile p | ||
| SONY | CDP200 | Misadjusted thrust screw | Intermittently the unit would not eject the disc. we foundexcessive thrust play in the shaft of the chucking motor to be theproblem. this permitted the worm to bind with the chucking gear.adjustment of the thrust screw resolved the problem. -hq commen | ||
| SONY | CDP101 | Noise in left channel | Whistle on left channel. audio thru headphone output but not thru line out. | ||
| SONY | WMF5 | Missing part number | Unavailable p/n or description in manual for walkman holster. | ||
| SONY | WM10 | Different size washers | When replacing part #358 and #363 you must leave out washer#346 or the unit will not rewind because gears will not mesh. | ||
| SONY | WM10 | Replacement parts have been changed | In the course of repair, it was necessary to replace chassisassy, motor p/n x-3315-312-0 schematic ref. #363. this part is replacedby chassis ass'y motor p/n a-3133-195-a. 1) no bearing 3-315-387-01 issupplied making it necessary to remove old bearing |