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Sony Repair Tips




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Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY SPPA250
Defective speaker, duplicate part # No handset audio.
SONY SPP72
Handset has no power - resolder battery connector j502 Hand unit either not operational or battery is discharged.found poor solder connections on j502 battery connector on hand board.not enough solder for a secure grip. this connector is pulled whenreplacing batteries.
SONY SPP71
Handset has no power - resolder battery connector j502 Hand unit either not operational or battery is discharged.found poor solder connections on j502 battery connector on hand board.not enough solder for a secure grip. this connector is pulled whenreplacing batteries.
SONY SPP2010
Unit had lots of static then went dead - replace x301 Unit would lock up on one channel only and would not changechannels. found tx frequency off. checked for correct vco's.
SONY SPP1000
No digital code pgm/no ring/no talk - replace ic605 Unit had no digital code pgm, no ring and no talk. reset ic605inverter output was at 1.6v with vdd at 4.8v. ic605 was defective.
SONY SCT100
Won't make outgoing calls - resolder battery terminals,65 Won't make outgoing calls. unit would work but unit wouldcut off after a few minutes. battery would not hold charge.
SONY ITID500
Phone not recognizing numbers Phone will not read out phone numbers on screen since ..itdoes not recognize number on local calls.
SONY MDP650
Will not play all of some discs - see below Customer complained unit will not play all of some discs.checked unit out and tried another optical block. all adjustments meetspecs but unit will not play all of some of the discs that customer rentedthat will play on other machines. all of servicers
SONY TCWR665S
No power - cnp701 loose Unit dead.
SONY TCWR565
No record - resoldered ic805 Unit had no record. playback ok. problem caused by ic805/eqswitch being poorly installed/soldered. pins 9-16 not inserted throughboard. result was no record bias.
SONY TCWR545
No function or display - replaced opened r860 Unit had power but functions and display would not work.inspection of key inputs found r860 had opened. r860 is in key 5 laddercircuit. the failure was caused by -30v line shorting with key 5. key 5is adjacent to -30v line on ribbon cable.
SONY TCWR465
Deck a won't play - pinch roller assy loose Deck a would not play.
SONY TCWR465
Tape decks play high speed - flex cable not fully inserted Both tape decks played at high speed.
SONY TCH2600
No relay mode play - replaced reel motor Would not play the 2nd side of tape in deck b. the reelmotor assy had a missing tooth in one of the gears causing the tape toslightly unravel during changing of sides. upon play, the feeding capstanwould not turn right away unit all excess tape had be
SONY STRGX900ES
Protection - replaced ic150 Unit going into protect pin 12, ic150 sending signal todisplay.
SONY STRGX80ES
Noise on audio - replaced ic301 Excessive data noise with volume control fully attenuated.noise decreases as volume is turned up. found pin 42 of ic301 alwaysactive, which produced noise through flat cable.
SONY STRGX700ES
No audio output on a & b - resoldered s100 Unit powered up but no audio out, found cracked solder atspeaker switch board. s100 open solder causing no +5v at speaker a.
SONY STRG1ES
Unit dead - replaced c175 Unit will not turn on. tech found reset ine low 1.9v onic125 pin 7, osd mcb. found c175 leaky. -solution : replace c175. c1108 will also give the same symptombecause it is on the same line.
SONY STRD711
No rear speaker output - replaced shorted q614 Q614 shorted on rear amp board, no output to rear speaker.
SONY STRD611
Unit inoperative - replaced prologic ic301 Unit was inoperative. found r805 and a trace burned. after replacing this resistor, the unit started to operate but some outputs on the sys con ic202 went over 8vdc.