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Sony Repair Tips




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Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY KV27VX1P
Unit will not turn on - shuts down immediately Unit will shut off as soon as it has powered up (has momentaryhigh voltage). attempted to defeat shutdown circuit, still will not powerup. checked power supply, (as i believe something has overloaded powersupply). found ic-952, pin 9 has a short to gr
SONY TCDD10
Intermittent muting of audio Intermittent unit would mute audio. rf envelope wasbreathing.
SONY XK8D
Wire harness not provided with new head assembly New head assembly should come with cable and connector asshown in the service manual on page 20 (ref. hp101). head was ordered andreceived without cable. -hq comments: the part number for the harness is 3-372-153-01, and theyare stocked in n.p.c. we
SONY KV27XBR10
Dead, shorted hor. output q-503, see service bulletin 161r1 Q-503 was shorted.
SONY SPP50
No communication between base and handset. No communication between base and handset.
SONY XR7077
Incorrect part number and type in service manual, q325 The parts list in the service manual shows q325 as a2sa1175hfe, p/n 8-729-119-76, which is a different type and package thanthat which is shown on the schematic. the type shown on the schematicis the correct type (2sb1132), which now subs to type 2sb111
SONY XR7080
Beep tone not working Customer sent unit for repair because beep tone stoppedworking. tried to turn on beep tone by pressing select and 6 keys, butbeep tone would not come back. -hq comments: unit was being bench tested by using line out from unit.this model only has beep t
SONY CCDTR4
Unit stays on with switch in off position Unit works fine but when you turn the camera off, the viewfinder stays on also the pause and caution light. cam is on and stayson. found that there was a short between pins 5 and 6 on cable fp-330 onvs-70 board.
SONY CCDF36
No rewind stop or record Rewind, stop and record buttons did not work. found data pre-sent on (mi5), pin 42 ic-501, all the time (no buttons pushed). foundq-536 leaking (mo 3), pin 23 ic-501, into (mi5) pin 42 ic-501.
SONY XR7087
Fm appears to drift Fm appears to drift after warm up. drops out of stereo mode.distorted audio.
SONY KV27EXR15
No picture/no display, replace crt No picture and no display. y/s inputs to ic-301 (pins 3 and 5ok). no rgb outputs. ic-301 pin 7 at 0.2vdc confirming ic-301 has pic-ture muted. g-2 voltage ok. ic-301 pins 19, 21, 23 all at 3.8vdc (shouldbe 4.2 - 7vdc), indicating missing cathode sam
SONY DTC75ES
Noise in audio Customer complained of noise and glitches in audio. checkedrf with scope and it was good. ty7252 tracking tape showed good envelope.however, when i changed back to my audio tape one head was missing.
SONY DTC1000ES
Troubleshooting digital circuits Intermittent audio distortion. found that using a leaderlb05860 waveform monitor hooked up to the digital output quickly demon-strated that one unit had a problem with its digital circuit and one didnot. viewed the digital output on rear panel with the
SONY DTC75ES
Troubleshooting digital circuits Intermittent audio distortion. found that using a leaderlb05860 waveform monitor hooked up to the digital output quickly demon-strated that one unit had a problem with it's digital circuit and onedid not. viewed the digital output on rear panel with th
SONY DTC700
Troubleshooting digital circuits There were two dtc-700s in the shop both had intermittentaudio distortion. found that using a leader lb05860 waveform monitorhooked up to the digital output quickly demonstrated that one unit had aproblem with its digital circuit and one did not. viewe
SONY DTC700
No sound The unit had no sound. looked at coaxial digital out withscope. found it distorted even in stop mode. checked ic-307 x-302 andx-303 waveform. found both crystals producing a distorted waveform.found x-303 was bad.
SONY SLV757UC
Intermittent shut down Found weak drive voltage from pin 11 of ic-001 on md-22board causing flat spot on drum motor.
SONY ITA600
Main pcb has wrong micro installed Boards coming from kansas city have wrong micros installed.the correct ic number is tmp47c47n-9613. the ic in the new boards istmp47c47n-9635. these ics are not compatible.
SONY TAM50
No operation of tape transport No operations of tape transport i.e. pinch roller would notengage gear, reference no. 75, was not engaging due to the washers,reference no. 72, being gone.
SONY SPP150
Unit works o.k. in norm but dead in batt save mode. Unit works fine in norm mode, however no action in batt savemode when talk is pressed. ic201/pins 12 and 29 went correctly from highto low when the mode switch was switched from norm to batt save,indicating a good switch. ic201 was replaced to no avail.