TV Repair: Common Faults and Solutions.
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Results: 87420
Results: 87420
Repair Guide: Common Issues and Fixes
Brand | Model | Fault | Detailed Problem | Solution | By |
---|---|---|---|---|---|
SONY | CDP35 | Distorted audio | Unit played but with sparse static in audio. initiallysuspected switching ic (ic302) but scope showed spikes all the way back toic701 (clv). all clv and processing working ok, so last suspect ic wasram. | ||
SONY | SLHFR30 | Reel drive flywheel bearing | Servicer experienced several sl-hfr30 all sold by'same dealer, with reel drive torque problems. flywheel was not turningfreely in bearing. | ||
SONY | PCM501 | Shutdown | Thermistor installed instead of 2.2Ω resistor, causesshutdown and various problems. | ||
SONY | KPR4110 | Whistle in sound, uhf channels only, replaced pll circuit | Whistle in sound, uhf channels only. this was accompanied by mild venetian blind effect in the picture. | ||
SONY | XR27R | Audio distortion in right channel | Static thru r. ch. best heard when playing a blank tape. | ||
SONY | D7 | No play | Unit would spin up at turn on but would not play disc. uponstarting unit with no disc spindle motor would spin up but would alsosurge at rate related to focus search. all pins on ic502 and ic503 lookednormal except for pin 10 (sp). batt indicator was | ||
SONY | KV2024AEB | Sound buzz, no color - replace q008 & ic203 | Unit had buzz and loss of color. found q008 shorted, thisrestored the color and also switched the 4.5mc audio line whereby i hadaudio with buzz. replaced ic203 and this restored full audio with nobuzz. set ok. difficult problem to resolve due to the | ||
SONY | CDP70 | Unit scratches compact disc while playing | One of three supporting pins does not go down intermittently,when disc is in for play. also rubbing the disc gently while playing.it does not affect any playing disc. ten of customers new discs haveround scratches in the middle of circumference. event | ||
SONY | SLHF900 | P/n for 16 conductor cable from jg-2 to ch-38 board | Refering to page 167 of s/m, we need the 16 pin cable fromthe jg-2 board to the ch-38 board. please advise. -hq comments: the cable is not available as a replacement part. i will,however, send you a cable from another unit. in the future, please hard | ||
SONY | MPKM8 | No part # for cable | Need part # for cable - page 17. -hq comments: this part is not presently available. we will check withtokyo and inform you of availability. | ||
SONY | CCDM8U | P/n | No part number in manual for several springs used in gripass -hq comments: please refer to supplement 2 page 78 ref. no. 69 (nextto 68) p/n 3-695-457-01, ref. no. 93 (below 66) p/n 3-695-766-01,ref. no. 98 (to the left of 70) p/n 3-303-890-01. | ||
SONY | CCDM8U | No capstan fg, defective fg generator | Found 3 or 4 units with no capstan fg signal. can fg genera-tor be replaced separately? -hq comments: the fg generator is not available separately. pleaseorder the complete capstan motor. | ||
SONY | SL5000 | Blue line 1" from bottom of picture during self-rec playback | Pre-recorded tapes ok. adjusted servo system - no help. -hq comments: please check page 15 of sl-5000 troubleshooting guide(servo control - picture not normal at self-rec and playback) and informof results. | ||
SONY | SLHFR70 | P/n substitution for ry-5 board | Ry-5 board. subs to 99109934 (no longer usable for service).rpc shows a-6711-601-a as p/n for ry-5 board. please confirm. -hq comments: correct p/n is a-6711-656-a. | ||
SONY | SLHF300 | No part number | No part number listed for item directly below ref. #272(p. 117 of s/m). this is the base of the ac head assembly. -hq comments: p/n requested is x-3684-319-1. this number is correctlylisted in the sl-hf500 service manual. | ||
SONY | XR20 | Output ic | Ic found in unit was part #1-806-655-11, ta7240ap. and wassupposed to be 1-806-655-11 according to manual. unit made in taiwan.two ic's are not same physical size, so cannot be interchanged on pc bd. | ||
SONY | SLHF600 | No power, or picture rolls during playback | Will not power up, or pix rolls while playing a tape. | ||
SONY | ITA600 | Transfer from handset to speaker phone | If you pick up the receiver to make a call, you will hang upthe phone if you go to speaker phone. is there any way to modify oroperate the unit so you do not hang up when going from hand set tospeaker phone. -hq comments: the it-a600 is not designed to | ||
SONY | KV25XBR | Set could be turned on/off, no other functions | Set could be turned on or off, no other functions. rgb lightalways on. i found no vertical pulse present in order to system controlto function. inspection revealed no pulse coming out of ic501, pin 12.dc voltage at pin 13 was 0. cause of problem was | ||
SONY | SLHFR70 | No record | Open print between c60 and r70 on the ry-5 board. have seenthis a few times. board shows no sign of cracks. |