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Results: 87717
Make Model Symptom Problem Solution By
SONY SL2400
No reel drive Servicer replaced q218 and r233 (ss-13 board) several times(kept blowing), as well as q217 and q220, and reel motor board. replacedss-13 board with new one from npc, after 4 days r233 blew.
SONY KV2602
Blows fuse at turn on, replaced thp601 and fuse At turn on f601 fuse blows out.
SONY KPR4150
Rainbow affect At night, only you get like a half moon reflection on thescreen. if the person has a red tie and dark suit you notice this. -hq comments: it appears to be an adjustment problem. to investigatethat possibility, display cross-hatch pattern (generated in
SONY CCDV8AFU
Auto focus motor rotates past focus point and keeps on going Turn unit on and auto focus motor turns focus ring too farand keeps on going. i have seen two of these. q020 was leaking c-b.
SONY CDP620ES
Wrong part number - ic301 Ic301 is listed as 8-759-703-53. this is incorrect. the icis 74ls353n.
SONY M101
Motor mounts not compatible The replacement motor 8-835-008-11 is electrically correctbut has different mounting holes which will not permit use in the m-101. -hq comments: the original motor has been subbed to the one by p/n8-835-008-11 as in the tape recorder s/b #135. the s/b
SONY KV1957R
Set will not turn on with remote or manually, replace ic1w Set could not be turned on by remote or manual button.closing power relay would allow set to work ok. i saw no signal at outputof remote head amp and pressing power button would not operate set either.voltage checks revealed 32v line to be about 2v low
SONY KV20XBR
Flashing change in video level at turn on, ic101 When set first turned on, there would be a rapid flicker andchange in video level for about 5 or 6 sec, then pix was ok. this problemwas noted at base of q403. at turn on, this voltage was very low andpulsating. further checks revealed the problem to
SONY CCDV8AFU
Intermittent drum/capstan rotation and no camera video 1) drum and capstan rotations were intermittent, then drumrotated at maximum speed. 2) no e-e or recorded camera video at lineor rf outputs.
SONY SLHFR70
Left channel audio distortion Left channel distortion on beta hi-fi playback only causedby am radio station 1540 khz. -hq comments: we do not have an hfp-200 here to try to simulate thiscondition. in the fpr concerning the sl-hf300, the customer lived closeto an am broadcast antenn
SONY KV25XBR
Vertical jitter This unit had a vertical jitter on a satellite antenna. out-put from dish was low (about 3/4vpp). customer has two 25xbr tvs. theother one does not jitter. the output at ic1501 pin 20 was about 5vpp.
SONY KV25XBR
Intermittent vert We have received a few reports of intermittent vertical. theproblem is that c1519 on the d board is poorly soldered.
SONY CDP30
Multiple part numbers - ic106 Ic106 shows three descriptions and two part numbers on page 44of service manual. also page 35 shows all three descriptions. which oneshould be used (-55rs in unit)? -hq comments: 8-759-920-17 (-75rs) has been subbed to 8-759-921-75(-82rs). please ord
SONY SL5800
No color No chroma. ic6, ic7, ic8 on yc-14 board all ok. pins 12, 11,10 of ic6 had 0v dc level. pin 3 of ic6 had proper waveform but 8vppinstead of 1vpp.
SONY KV1547RX
Incorrect part # in s/m Please notice on page 48 that the s3003 is p/n 1-553-656-00.after receiving the wrong part, we looked at the p/n on the switch whichis 1-552-656-21. -hq comments: we will publish a s/b on this.
SONY SL20
Illusive servo problem Cap dc bias difficult to adjust, tracking control has no effect on picture.
SONY KPR4600
Streaking in picture, replaced q-3349 Unit had streaking in picture. by flexing ba board, problemwould clear. found transistor q3349 defective. moving just transistor, iwas able to produce problem. i think transistor had a break inside.
SONY KV25XBR
No sound, replaced fuse wrong speaker impedance used No sound, found f651 open.
SONY SLHFR70
Special effects When going into special effects, pause slow motion etc, youwould see about 10 black horizontal lines 3/8 inch thick, top to bottom ofscreen. video was present with these bars. found problem in jog circuit.performed alignment rv13, 14, 15 and 16, and fo
SONY KV25XBR
Lock-up Set will not come on or may come on but no other functionworks. checked the reset pulse at pin 3 of ic103 and found it low alltimes. unsoldered pin 3 and voltage went up to 5v. resoldered pin 3 andset began to work. pin 3 now goes to low momentarily