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Sony Repair Tips




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Search: sony
Results: 20077
Make Model Symptom Problem Solution By
SONY CDXU500
Unit jams, discs not returned fully to mag. (replace sw655) Unit would load disc, but then when you went to change disc(for example: from 1 to 5) the slider assembly would not return previousdisc all the way in to magazine. thus, when the elevator went up or down,the disc would hang up on the elevator assembly.
SONY KV20TS32
No raster, replaced ic682. No raster no high voltage, also missing the 1000v and 200v.jungle ic301/pin 2 was very low. read 5v instead of 9vdc.
SONY KPR46XBR15
C1740 silkscreen on the "d" board is backwards Tech mounted cap as per silkscreen, which caused cap to pop. checking, found the silkscreen was shown backwards on the d board.
SONY KV27XBR35
Bad purity, resoldered degaussing thermistor Unit had colored spots over the corner areas, servicerdiagnosed a bad crt. when the replacement crt was installed, the samesymptom appeared. he thought this was also a defective replacement crt.
SONY KV27XBR10
No picture during playback, replaced q713 Picture would flicker. problem started at the output of they/c jungle pins 20, 22, and 24. ik line also pulsed as the pictureflickered. the base of q713 on the c-board remained at .3 volts but theemitter was constantly changing from 1 to 2 volts.
SONY KV32TS36
No color in pip mode, replaced "p" board No color on p.i.p.
SONY KPR53EX35
S/m error for p board connector p3, see supplement -1 Service manual indicates on page 74 that connection from p3 on the p board goes to d-17 on the d board. there is no connector d-17 shown in the service manual.
SONY CCDF35
No picture during playback q110/co2 Unit had no picture in playback. it would produce a pictureduring pause, cue, and review. pin 13 of ic101 (head amp) dop outputpulse was always high. pin 18 of ic101 is the rf input for the dopdetection circuitry inside ic101. signal was low at this
SONY KPR46EX35
S/m error for p board connector p3, see supplement -1 Service manual indicates on page 74 that connection from p3 onthe p board goes to d-17 on the d board. there is no connector d-17shown in the service manual.
SONY HSTD107R
No function indicator Unit powers up, but function indicator light does not display. connectors on connecting cable from cn901 (tc signal board) to cnp 81(leaf switch a board) are shorted together causing no function indicator.
SONY KPR53XBR15
All green picture with/horizontal lines thru pix, replaced crt All green, excessive green, g2 ground inside crt opened up when crt snapped.
SONY CDPC322M
Distorted audio output-re-solder j501 ground Constant or intermittent distorted audio through the rca jack(j501). this is caused by a cold solder on the ground lead of j501. solution: re-solder ground lead of j501.this fpr also pertains to serial # 806046.
SONY KV27HSR10
Pix blanking, replaced r743 ("c" board) Pix blanks on and off continually, at all brightness levels.
SONY WMF45
No audio in tape or radio - replace c302, p/n 1-123-661-00 Walkman doesn't have audio in tape or radio. going to thevolume pot. 1st (easiest to find), i measured audio. moving up to theheadphone amp (ic301), i found audio would enter the ic, but not leave.going through the dc voltages of this ic, it had vcc and
SONY HCDC70
No display open f912 Unit functions, but no display.
SONY HCDC90
No display open f912 Unit functions, but no display.
SONY DXAC90
No tuner or cd display-open f912 Tuner and cd do not have display.
SONY CDXU300RF
Unit jams, discs not returned fully to mag. (replace sw655) Unit would load disc, but then when you went to change disc(for example: from 1 to 5) the slider assembly would not return previousdisc all the way in to magazine. thus, when the elevator went up or down,the disc would hang up on the elevator assembly.
SONY SPPD15
No mic from handset - replace r563, p/n 1-247-891-00 Handset mic wasn't transmitting mic audio. going to ic501 (afamp) first, i saw audio throughout this ic (out of pin #10). i checked capc551 and found it to be good but audio wasn't present here. moving back tor563, i measured an open. after desoldering
SONY TADM1000ES
No sircs output video 1 or 2-repl ic701(875915223) No output from video one or two. no output from ic701 pins14 and 15. all other functions are good. i have 2 units with the sameproblem serial #'s 800458 and 801408.