Search: sony
Results: 20077
Make Model Symptom Problem Solution By
SONY KV20EXR20
Shut down at turn on, replaced q604 and q605 (ovp) Press power, high voltage comes up and unit shuts down. q604and q605 are ovp circuit.
SONY KV1882AEB
Intermittent tuning, replaced l851 When unit turned on could not tune stations. after unit warmedup 20 minutes, then would tune ok.
SONY KV13TR29
Q309,r357, and r358 missing on "a"board, normal Have three units in shop that are missing components q309,r357, and r358. q309 supplies vert blanking to the ik line. has therebeen a change in this circuit ? -hq comments: yes, a year ago these components were removedsince they were not needed.
SONY KV13TR28
Q309,r357, and r358 missing on "a"board, normal Have three units in shop that are missing components q309,r357, and r358. q309 supplies vert blanking to the ik line. has therebeen a change in this circuit ? -hq comments: yes, a year ago these components were removedsince they were not needed.
SONY KPR46EXR15
F902 keeps blowing, replaced ic1707 (v def amp) F902 kept blowing. replaced both str's and still keptfailing. kept isolating crt's found ic1707 shorted.
SONY KPR46EX35
Distorted picture, replaced green and red crt Intermittent green and a line in picture. found green crt tobe intermittent also found red tube to have crack internally. does notlook like any physical damage has occured. fluid from tube has leaked tomain board.
SONY KP46XBR25
Colors distorted, replaced green crt Picture is red and blue. intermittent loss of green crt.
SONY KP41EXR96
Different parts from s/m on d board, c1713 & c1718 Found tantalum elco installed on d board pos# c1713 andc1718. both cap were damaged (failed) instead of what should be(according to schematic) both c1713 and 1718. by the way, the set camein with a vertical fold (no one worked on unit before).
SONY GENERAL
No audio, cable box was the fault Not audio.
SONY FDC290
Distorted audio, replaced speaker Distorted audio at high volume.
SONY FD555
Tape motor runs constantly, replaced s301 (tape motor drive) Tape motor runs constantly, even with tape funtion buttonsreleased. found s301 shorted in all 3 units. in the first (224725) theleaves of the switches were touching. in the second (222030) the wireheads from cn302 were twisted 180 degrees and touching
SONY FD525
Erratic tuning, resoldered ic101 Tv station will not lock-in to one station. sometimes canrestore picture by tapping on its side. flexing b board will causepicture to go on and off.
SONY FD525
Vertical collapse/horizontal line on screen, ic201 The set had a horizontal line on the screen found q551 andq552 not pushed through all the way. i pushed them through, only to havesame problem. voltages were all fine on transistors and ic201. changeic201. also found solder bridge shorting out verti
SONY SPPD15
Unit intermittently will not pick up line, but rings. Unit would ring, but intermittently could not pick up line.the micro ic15/pin 50 was putting out .7vdc to turn on relay driver q15.however q15 collector would drop only to 6vdc from 8vdc when its baseturned on, q15 emitter was properly grounded. transist
SONY SPPA40
Weak dial tone - replace l506, p/n 1-404-781-11 Unit came in with weak dial tone. when trying to lock thehandset up with the base you would get the out of range beep. i found theinput signal at ic502/pin 16 was there, but there was no audio out ofic502/pin 9. measuring all pins 1st, all of the voltag
SONY SPPA40
When pressing answer button, unit only goes into play mode When pressing answer button unit would only go into play.
SONY SPPA20
Handset won't work with base - adjust vr501 in handset When pushing talk, the talk/batt low light would just flash.
SONY SPP77
Handset not working with base - replace ic701 (875909946). Handset wouldn't code up.
SONY SPP57
Intermittent no dial tone or (intermittent beeps 3 times) Poor tx base.
SONY SPP110
No p/n for flex connector plugs Please advise p/n for plugs for flex connector (p/n1-624-678-11, ref 904, page 41) plugs. a customer has a unit that iscorroded. see page 23 lower section, hand board, component side. -hq comments: kcps checked with tokyo regarding your inquiry.unfort