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Sony Repair Tips




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Search: sony
Results: 20077
Make Model Symptom Problem Solution By
SONY SPP57
No ring/no talk Found handset and base to both be transmitting and receivingand assumed problem to be code. after checking code path in handset,found d-602 cold soldered. also applies to serial numbers 206190 and87568.
SONY SPP57
No receive base channel "a" Base unit would not receive on channel. x-2 was not gettingits voltage. followed voltage from ic-5 pin 22 to a cold soldered jumperwire located above r-58 on base board. also applies to serial number290616.
SONY SPPA40
No ring/no talk Unit had no ring/no talk but was intermittent. base wouldtransmit at 44mhz and then to the correct 46mhz. found x-1 to be coldsoldered.
SONY ITA205
Distorted audio-tape deck Defective motor causing wow and flutter in the tape deck.also applies to serial number 232347.
SONY ITA305
No ogm or icm recording Have found several units in which cn-3 was not properlymounted in the main board before soldering. in one (ser. no. 198352) pin1 was open between ic-602/28 and ic-605/41 preventing ogm record. inothers, pin 10 was open or intermittent preventing the (i
SONY ITA205
No ogm or icm recording Have found several units in which cn-3 was not properlymounted in the main board before soldering. in one (ser. no. 198352) pin1 was open between ic-602/28 and ic-605/41 preventing ogm record. inothers, pin 10 was open or intermittent preventing the (i
SONY SPPA20
No battery back-up Unit has no battery back-up, power led always flashes, foundtwo different problems, ref. no. 25 and/or ref. nos. 18/19 are missing onseveral units. also found that ref. no. 19 is bent on several units,making bad contact to main board. also applies to s
SONY TAAV621
Audio cuts out, unit in protect - change r807 & r857 I have several customer complaints regarding this problem.it occurs when in surround mode and the rear level is adjusted at 50% ormore. when the master volume is increased, unit goes into protect (relayopens). this problem occurs when in simulated or ha
SONY WMF2078
Tape speed slow in forward direction only Tape speed slower in forward direction. it is ok in reverse.found forward capstan bearing mount cracked. this causes forward capstangears to mesh too tightly when pinch roller presses against shaft (fourchassis from stock have crack).
SONY CCDFX410
No picture in camera e-e - washed out image Only a completely washed out or whited out image in the camerae-e mode. i checked for proper osciallation and waveforms at the timinggenerator ic-801 on the cs-31 board. the waveforms were distorted andnoisy or not present.
SONY PCM501ES
No audio - e to e jumper missing on digital board No clock/vco signals (rec mute did work). when digital boardwas replaced, there was vco/clock signals present. data from ic-502,(data process, record) to video out/in and through ic-506, playbacksection sync separator, to data process, ic-507. lost da
SONY SLV696HF
No fluorescent display Unit had no display. found no 3v dc between filament pins ofdisplay tube.
SONY AVU270
Improper shape on pre-panel assembly (ref. 51) Problem is where surround sound button assembly fits. bottomof the screw hole has two (2) plastic pins sticking up adjacent to it.the inside pin (closest to the bottom button) must be removed, as well asa portion of the plastic immediately underneath.
SONY GEN-HFP
Aubus technical theory for servicing now available A technical theory for servicing guide is now available to aidin troubleshooting and understanding the aubus on lbt, mhc and fh seriesunits.
SONY ICFSW20
Missing part number - ceramic filter cfu, p/n 1-577-177-11 Part number of the ceramic filter cfu is missing in theservice manual. the part number is 1-577-177-11. -hq comments: since this unit is 4 years old, a service bulletin willnot be issued.
SONY ACV30
Wrong part number The part number listed is incorrect. the correct part numberis 1-571-632-11. -hq comments: this is listed in acv30 service manual correction-1(9-972-676-91).
SONY ACV60A
Service manual There are three service manuals for acv60a. part numbers are:9-973-240-11 9-973-095-11 and 9-973-099-11, these are different. isthere a way to identify the correct one. -hq comments: for ac-v60a servicing, use service manual 9-973-099-11.
SONY ITA555
Ic-602 on back order at kcp. Asc reported three units with a bad ic-602. also applies toserial number 101395. -hq comments: we checked with kcp. the parts are on back order. theestimated time of arrival is april 15, 1993.
SONY ITA505
Ic-602 on back order at kcp, Asc reported three units with a bad ic-602. also applies toserial numbers 120679 and 120596. as of today there are 216 on back orderat npc. -hq comments: we checked with kcp. the estimated time of arrival of theparts is april 15, 1993.
SONY KV32XBR95S
Inoperative set, replaced ic-1401 Relay would not click when power button is pushed. it wouldclick when unit is plugged into ac. unplugged connector g-5 on g boardand power switch would work.