☰

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: 20073
Make Model Symptom Problem Solution By
SONY TCW21
No p/b or rec with b deck No p/b or rec with b deck. no indication on level meters.a deck playback ok. found ic309 pins 9, 13 held at -5.8v instead of+6.4v. traced switching logic back to pin 2 of ic402. it measured0.6v instead of -5.8v. found ic401 at pin 6 was drawing exce
SONY KV2084R
Picture blanked, replace r552 Picture blanked. hi v ok. noticed negative voltage on baseof q305, which the schematic calls out as positive.
SONY SLHF450
S/m correction: audio pb output level adjustment Page 200, section 5-5-2-3 refers to vr901 on the af22 boardfor pb output level adjustment. the pot is actually on board va14. -hq comments: a service bulletin will be issued.
SONY KX2501
Shutdown/blanking problem, replaced hvr block Set shut down intermittly.
SONY KPR41DS1
Service manual error, q-8206, u2-18 Service manual schematic shows the base of q8206 connected to5v. this will not allow q8206 to switch (see attached). also u2-18 pin 1should show a ground connected which it does not. if no ground werepresent the external audio switch would not functio
SONY CCDV3
No camera e/e or record picture No camera picture in ee or record modes.
SONY CCDV9
No servo lock in playback Noise bars riding up monitor screen during playback. foundbandpass filters of 16k & 47k would intmtly show correct waveforms andimmediately servo would stabilize. q251 and supportive circuitry whichacts as low pass filter extracting atf from playback r
SONY STRAV27
Pop in speakers when in tuner mode When the unit was in tuner mode, there would be a pop heard onthe speakers every so often. all other modes were ok.
SONY XR6100
No audio on tape function Tape deck mute switch is engaged all the time. please note the other serial numbers (39354, 38860, 11732, 20270, 38576, 32027, 39025,37745, 49545, 33402, 37112).
SONY ITA500
Premature shut off of icm
SONY ITA500
Excessive take-up torque Extreme wow and flutter on message playback. the take-uptorque is approx. 50g/cm (should be about 5-10g/cm). on this particularunit, it occurred on the icm side. however, i have also seen this problemoccur on the ogm side. it appears there is some oi
SONY PVM1910
No video on line a or b No video displayed when inserting video through j002 orj006. found break in etch right at both connectors. unusual for both tobe broken, only explanation they broke while inserting or removing thebnc connectors.
SONY KV20XBR
No raster Set would shut down after 3 or 4 seconds. brought up setwith variac, found hi-v protect voltage at the base of q503 too high.found transistor leaky.
SONY KV27HFR
Shutdown, replace ic-681 Intermittent shutdown after 15 to 20 minutes.
SONY XR6100
Audio muted on tape function Tape deck mute switch is engaged all the time.
SONY STRAV460
Every segment of the display lights at once Customer complained of intermittently every segment in displaywould light up at turn on. no functions would work. turning on/off wouldclear it up.
SONY CCDV3
Number '5' screw on r cabinet (item 21) Number 5 screw on r cabinet, many times is very difficult to be removed due to the glue used. the cabinet may be damaged in the effort to remove the screw.
SONY SLHF550
Ic001 overheating Unit would shut down due to erratic 5v output from ic001 inthe power supply. found that the aluminum heat sink for ic001 wasmissing from the unit.
SONY HVC2800
P/n for bottom frame support for ckt boards Page 40 of s/m shows frame support below ref. no. 64. i needa part number for this piece. -hq comments: i checked with tokyo and found that this part isunavailable. please try to find a scrap unit.
SONY XVT600
P/n missing for sl-901 flex board (page 78 in s/m) S/m shows ref. no. 132, but no p/n. -hq comments: p/n is shown on page 89 (1-621-046-11). a servicebulletin will be issued.