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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY KV20V50
Sound level goes low after 20 minutes After about 20 minutes the sound began to go low.
SONY KV20TS32
Display indication won't go away, replace ic101 micro Tv works fine but channel indication won't go away.
SONY KV20TS29
Raster expands intermittently, replaced fbt Customer complained of pix stretching out intermittently. technician of service found high voltage is increasing and decreasing slightly at a regular rate.
SONY KV20TS27
Tv shuts off, replaced crt After playing for one minute the picture displaysbright blue lines. then it shuts down. -solution : replace shorted crt.
SONY KV20TR23
No picture due to crt problem The unit has no picture. no rgb signal comes form y/c j ic, but y and c signal into ic301(y/c jungle ic). however, i found bad ik signal returning from crt, it is not ic problem.
SONY KV20S10
No raster, replaced crt Unit came in with no raster, sound ok. high voltage wasvery high, 26-27kv, check 200v ok, 1000v were max. coming from flybacktransformer.
SONY KV20S10
Intermittent no pictutre, cold solder on ic101 pin 5 The unit has intermittent no picture.
SONY KV20S10
No picture, re soldered the socket on the "c" board. Picture disappears after tv is on for 1 minute.
SONY KV20M10
Lines across screen, replaced ic501 Distorted lines across middle of screen.
SONY KV2084R
Intermittent vertical, re soldered open ground by if shield Intermittent vertical deflection. very sensitive to tappingof the a board.
SONY KV13VM20
Cassette stuck, re soldered ic102 & 103 replaced fr1805 Unit came with cassette stuck inside, 17 volts missing at pbt-3/pin 2, fr1805 was open due to loose connection at ic101.also check ic102, 103.
SONY KV13VM20
Picture dark. color quality poor, replaced dl-1202 Picture displays chroma only, with no luminance. found nosignal on ic-1501/pins 23 & 45. composite video ok on connectorp-1503/pin 7.Ωeter check of delay line manifested a short to ground.
SONY KV13TR24
Intermittent picture, re-soldered the if block Unit came back as a cr after having tuner replaced. removedthe if block and checked solder joints. found ring cracks around the pins of the pll transformer. very unusual for this if block.
SONY KV13M10
Unit intermittent turn off itself, replaced crt After awhile unit turns off itself, not shut down. hit powerbutton it works again.
SONY KV13M10
No power, replace q 601/602 and r606 on main board Tv won't turn on.
SONY KV13M10
Snowy picture, replaced tuner After two minutes the picture becomes snowy.
SONY KPR36XBR
What is the impedance and wattage of the speakers
SONY KP61XBR38
Dead, replaced d623 Unit dead, no 12v standby t608 gets hot. d623 shorted.
SONY KP53XBR35
No picture, replaced hv resistor block No picture traced to hv block assy and resistor r742, onthe cg board.
SONY KP46V15
No picture, replaced q733 on green "c" board Unit had no picture and stadby light on front panelflashing. suspected unit was in ik blanking. while troubleshooting unitdiscovered 3 volt ik pulse on video input to green c board. blue and redvideo inputs had 1.5 volts pulse, normal. none of vide