☰

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: 20077
Make Model Symptom Problem Solution By
SONY NT1
No record or playback (resolder connections on ic1) The unit will not playback or record. the tape moves very slowly in the unit.
SONY KV27TS27
Whine from l506 hlc, applied hot glue around coil There was a high whine so i replaced l506 but the unit cameback with the same problem.
SONY SLV555UC
Tape will not play after rewound to beginning: capstan motor The tape will not play when it is completely rewound to thebeginning. if the tape is removed and ran forward a few inches in anothermachine, then replaced in this unit it will play fine.
SONY MZ1
Poor tracking (resolder open between rv501 and ic-505 pin 2) The unit will intermittently track discs. audio dropouts andinability to read discs were the observed symptoms.
SONY FD510
No picture (c board disconnected), reconnected the "c" board The units had power and audio, but no picture. i found thec board unplugged from the crt. apparently it was pushed off the endby a deflection yoke which had slid down the neck of the tube. the yokefelt snug around the tube, perhaps in hot or cold temp
SONY SPPA60
No ring - c-165 in base pushed through the board. There was no ring on the base or handset. i found c165 waspushed through the board.
SONY TCWR590
Both decks play at high speed - q804 faulty p/n 8-729-900-65 Both decks were playing at high speed. pin no. 11 of ic-801,speed control was switching and q-804 collector was not.
SONY TCWR521
Both decks play at high speed - q804 faulty p/n 8-729-900-65 Both decks were playing at high speed. pin no. 11 of ic-801,speed control was switching and q-804 collector was not.
SONY FH7MKII
No stero signal in tuner - c308 shorted 1-161-651-00 The tuner would not lock into a stereo signal. the stationswould not tune to stereo signal and one channel was very low. i found pin10 of mpx ic301 (right output) to be at zero volts. i found shorted c308was pulling pin 10 down to ground.
SONY CCDTR9
No camera y signal/ ic301 pins 9/10 shorted The unit had no camera y and e to e showed only chroma.
SONY TCWR590
Deck b inoperative, audio pcb missing trace to capstan motor When you press the play button, the reel motor turns but thecapstan motor does not. the voltages on the motor were measured and foundto be +5 volts. when you press play, the voltage on the power line tomotor goes to -7 volts.
SONY XVT33
Flagging at top/ adjust rv-304, rv-305 When the vcr is played through unit, pictures are superimposed. normal play of the vcr is good, but when paused or used in slowmotion, the picture will flag at the top.
SONY CCDF45
Intermittent open ps503 The ccdf45 was intermittently blowing ps503, similar but notexactly the same as bulletin 164.
SONY KPR53XBR15
Distorted audio after 20 minutes, replaced the x3 board It was intermittent after about twenty minutes and audio wasdistorted in both channels.
SONY KPR46XBR15
Losing picture and sound, replaced the tuner On the main picture, there is intermittent video and audio.
SONY KPR46CX25
Registration drift, replaced q551, and q552 A technician in costa mesa informed me of three sets that hehas been repairing in the last several months because of a convergencedrift. depending on on which color drifts, red, green or blue (q551/q552for red, q553/q554 for green, q555/q556 for blue) t
SONY SPPA60
Unit grabs a line as soon as powered up - change q-9. The unit would grab the line as soon as the power wassupplied. i checked the voltage at the base of q9 and found it was0 volts then i checked the voltage on the collector of q9 and found it wasalso 0 volts. i found q9 to have a short from emitter to co
SONY ITD10
Low dial tone on the speakerphone - reflow c-347 The unit had a low dial tone on the speakerphone. i foundc347 was cold soldered.
SONY SPP57
No ring nor page - replace sw-501, p/n 1-571-377-11 The unit would not ring or page. i found sw501 was always inan off position no matter what position the switch was in.
SONY SPP57
No line led - replace d-9, p/n 8-719-029-97 The unit would grab a line, but line led would not light. d9(line led) had proper voltage to light. eventually, i found d9 was open.