☰

Sony Repair Tips




AIWA
BEKO
CCE
CINERAL
DAEWOO
FUNAI
GRADIENTE
GRUNDIG
HITACHI
ITT
JVC
LG
MITSUBISHI
PANASONIC
PHILCO
PHILIPS
PIONEER
RCA
SAMSUNG
SANYO
SHARP
SONY
THOMSON
TOSHIBA
VESTEL


Search: sony
Results: 20072
Make Model Symptom Problem Solution By
SONY STRVX22
Defective ic301 This unit was locked on aux. we found pin 26 of ic301 have asteady 5.4v.
SONY STRVX6
Defective ic401 This unit had no display or tuning action on am/fm.
SONY STRVX6
Dead Dead unit. output transistors were shorted causing pulsepower supply to fail - replaced known defective components restoredoperation but bias current, after adjustment would start to increasecausing outputs to run hot. removed power before damage resul
SONY STRVX6
Overheating regulator The +15v regulator overheated to the point where it burntthe board badly. after replacing the board and modifying according tothe service bulletin we still had a very hot regulator. how can we coolit down?
SONY STRVX5
Malfunctioning mute circuit Upon turning power off, a slight popping sound through bothspeakers will be heard. by grounding inputs of main amp the popping iseliminated. an imbalance in the decaying time of the positive andnegative supply voltages can be seen on the scope. this r
SONY STRV25
Aged resistors The customer has owned this unit for 16 months and has hadit serviced by an independent servicer 4 times. she said it would playfor a while and then one or both channels would go out and it would stopworking. the relay would kick out.
SONY SRF40W
Defective headphone jack This unit had good separation and power level but the outputwas distorted. it appeared to be an output problem. further examinationfound the headphone jack defective. although this circuit is a simpleone, this problem was misleading.
SONY SPP11
Open foil trace No dial out, no dial tone, squelch broken opened base unitand measured voltages. no output from bridge rectifier d-6. found openfoil pattern at output lead of d-6.
SONY SEH310
Poor solder connection One channel cuts out intermittently when the space soundfunction was activated.
SONY PSX65
Defective ic106 All functions inoperative.
SONY PSX40
Shorting q202 We found the dc amp to be open (cracked) as a result of q202shorting - thus applying 18v to the ic.
SONY PSFL1
Noise during operation When the turntable moves in or out there is an objectionalclicking sound.
SONY MDRFM5
Part number for wire Wire for connecting head-pieces to main cabinet. need blue,orange and grey colored wire that connects switch board to amp in ear-piece. has to be very small wire and stranded wire to last some time. -hq comments: p/n for 10m lengths are as follows:9-9
SONY ICFC20W
Defective ic's When power is turned on, display sets to 1:00 am or pm andwill not set time nor alarm functions. when powered up display will onlyindicated flashing dots - no numerial displays.
SONY ICF2001
No am All functions worked except am, found q41 (2sk107) withintermittent lead.
SONY CFS500
Tape jam Tape counter belt comes off and jams in take up spindle assy.
SONY CFS500
Manual error Manual error. p. 30 (2) ref. #16 shown #16 pointing to spkgrille should be ref. #14.
SONY CFS45
Error in service manual The ipb on page 37 shows the capstan belt as a take-up belt.also t/r s/b 66 gives a new p/n for the belt. -hq comments: we are issuing a s/b and t/n.
SONY PST22
Low level noise Turntable, develops a low level static-like noise which isinduced into the audio ckt. the cartridge used also affects the level ofthe noise. an ortofon lm-10 produces about twice the amplitude of asony vl-7. grounding the motor shaft to ckt. ground el
SONY XR70
Improving ams response Ams would not operate for tapes with less than 4 to 6 secondsof silence. problem appears most often when rewinding close to thebeginning of the tape.