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Sony Repair Tips




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Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY SLV555UC
Error in service manual On page 140 of the service manual the measuring point for theswitching position adjustment 2 is listed incorrectly as:ch1: ic-581 pin 8ch2: ic-581 pin 6 rf swp
SONY TAM50
Will not record Unit was recording static.
SONY GDM1602
No horizontal sync - rolling video Screen display looks like no sync. checked hd, vd in and outsignal by scope - looks ok. (important to) then check dc on ic-1, pin 2should be 8.2v but measured 0v dc. found c-2 was shorted.
SONY SLV353UC
No video in playback mode No video in playback only blue screen.
SONY CDP270
Drawer will intermittently not close completely Intermittent operation of drawer. unit will function properly20-30 times in a row and then will not fully load. drawer will close butloading motor will continue to run and will eventually reopen. multipleattempts to realign have proven futile. please
SONY CCDF77
Won't play, reload, ff or rew Unit would load fine. when any function was used such asplay, record fast forward or rewind, tape would start to move on take upside supply reel would not move tape would bind up unit would shutdown.
SONY WMAF58
No audio on right channel No audio on right channel (tape and radio). i changed ic-301(amp ic) but it didn't help. i switched head wires from pins 15 and 2 onic-301 and the problem switched to left channel. unit must have a feed-back path through head winding as there was no a
SONY VTX1100M
Mts reception Unit came in for service with no mts stereo receptionsymptom. is this unit supposed to receive us stereo tv sound? -hq comments: according to japan, vtx-1100m is made for general areawhich is using two carrier stereo system. therefore, it is not possi
SONY KV27FX10
Intermittently goes to dark raster only with retrace lines Ic-1702 had cold solder joints causing loss of 9 voltsregulated. easy point to check for 9 volts at the vhf-uhf tuner.
SONY KV2675R
Low voltage shutdown, c-540 open in 135v line Unit gets low voltage shutdown. as soon as unit's b+ isturned on, you get 150vdc. another technician replaced two each ofic-601 (voltage regulator), still has same problem. if variac is used,lower ac from 120v to 90v, unit will work ok.
SONY KV32HSR10
Dead set, "f" board ic-651 replaced Dead set had relay click, no b+, had 160v b+ on pin 1 ofic-651.
SONY KV2647RX
Contrast fulctuates ratically on channel 5 only, ic-302 Contrast fluctuates ratically on channel 5 only.
SONY KP5000
Tuner will not lock in on any channel, replaced c208 Tuner would not lock in on any channel. forced tuner intolocking up on a station and picture had very weak video information.drive ic-2202 pin 4 (aft detect) pin, had 12v dc, and pins 1, 2, 3 had6vdc each on them.
SONY TAM50
Ogm is erased when unit is unplugged When unit is unplugged, the ogm is erased. transistor q-206was not being turned on to pass the battery voltage onto the micro ic-3to keep it energized.
SONY SLV757UC
Clock gains two secons per day Clock gains two seconds per day or one minute per month.customer finds this unsatisfactory. is this within specs, or is there aproblem? -hq comments: no, there is not a problem with the clock. this iswithin specifications. this works out at a clock a
SONY STRAV1010
Hi-fi service bulletin no. 118 needs clarification Hi-fi service bulletin no. 118 needs clarification. themeasurement conditions need to be more clearly defined. we do need ameans of checking relative surround sound levels. -hq comments: the signal to be fed into the cd input would come from anaudio s
SONY STRAV910
Hi-fi service bulletin 118 needs clarification Hi-fi service bulletin no. 118 needs clarification. themeasurement conditions need to be more clearly defined. we do need ameans of checking relative surround sound levels. -hq comments: the signal to be fed into the cd input would come from anaudio s
SONY STRAV910
Missing part number for escutcheon assembly The str-av910/av1010 service manual identifies the front panelassembly and escutcheon assembly only for the av1010. the computer liststhe av910 front panel as x-4906-822-1. we still need the part number forthe av910 escutcheon assembly, ref. no. 7 on p
SONY SPP80
Intermittent audio transmit from portable to base Intermittently will transmit audio from handset to base.rf waveform is present at handset's transmitter. audio through ic-501 wasintermittent - very hard to troubleshoot.
SONY KPR46CX10
No power, replaced q-1 Found q-1 shorted which killed the switching supply. -hq comments: q-1 (2sd1548) is the h.v. output transistor located on thepc board.