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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY CDXA30
Unit does not work Unit would blow fuse when disc attempted to play. found -5voutput of dc-dc converter was dead. before replacing converter checkedresistance on -5 line. it was shorted. removing flex to rf pcb showedproblem was on rf pcb. this is the second unit with
SONY CDXR79
Part number is wrong 2-640-654-03 (guide feed) Above part number is wrong.
SONY CCDTR5
Vertical jitter On playback picture was jumping - vertical would not lock up.
SONY D9
Disc spins backwards Disc would immediately spin backwards when play is attempted.adjusting pll to 4.35 did not correct problem. replaced ic-502 unitstill did not function properly.
SONY KV25DXR
High voltage shutdown Set would go into high voltage shutdown at turn on. bydisabling hold-down circuit (open up r-571) i had about 11 vdc onprotect line, 225 vdc on 200 volt line and 39 kv high voltage. thepicture was about 3 inches small from both sides and top to bottom.
SONY WMD6C
No motor movement 0.5 volts across be junction of q-601 collector was at 0v.0v was measured from ic-601, pins 12 and 14, to ground - resistance frompin 12 to ground was 0Ω.
SONY FD45A
Part number for speaker Part number for speaker in service manual is missing. -hq comments: there is no separate part number for the speaker. itis part of the front cabinet. when you order the new cabinet make sure toorder the correct color cabinet.white x-3336-107-1yellow
SONY PVM2530
Horizontal line on center screen Screen appears completely black with the exception of a horizontal line across the center of the screen.
SONY TCWR9ES
Quick auto reverse Unit will not quick auto reverse on both decks as advertisedin the attached brochure. according to service manual, only b deck hasthe circuit for quick auto reverse as shown on the schematic attached. -hq comments: thanks for the info. you are right, a
SONY CCDV9
Color distorted and flashing Color distorted in play, ok in pause. sometimes colordistorted in pause, ok in play.
SONY CCDV11
Dew sensor on Dew sensor on.
SONY CCDF40
Poor playback Playback picture on tv monitor displayed bad heads, but rfenvelope looked good. traced signal to soft limiter circuit where rfentered but left distorted q-376, 378 and 379 had no 5v supply.
SONY MDP210
No video or rf Unit read disc and had audio but no video or rf. found videoat pin 13 of ic-103 but not at pin 13 of ic-602, nor at q-610.
SONY WMA39
Wrong part number listed in manual Part number for reference number 904 is listed as1-623-643-11. this is wrong (page 12 of manual).
SONY SPPS10
Test connector for alignment of rf section. How do you align rf section?
SONY SPP60
Test connector for alignment of rf section How do you align rf section?
SONY SPP50
Test connector for aligning rf section How do you align rf section?
SONY SPP90
After grabbing the line, unit shuts down after a few seconds When talk button on handset is pressed, base unit and handsetgo on-line normally. after about 30 seconds, base unit drops theline and handset goes back to standby mode. if talk button is pressedagain, same situation occurs.
SONY SPP80
After grabbing the line, unit shuts down after a few seconds When talk button on handset is pressed, base unit and handsetgo on-line normally. after about 30 secs., base unit drops the line andhandset goes back to standby mode. if talk button is pressed again, samesituation occurs. also applies to s/n 226939, 2
SONY TCDD10
Distorted audio during playback Plays normal for 30 seconds or so then bursts of static noise,then goes to all garbled static noise, then finally to no sound. some-times after this, it will stop playing and unthread. rec loop-through isfine. i have replaced ic-301, ic-311 and ic-529