☰

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: 20100
Make Model Symptom Problem Solution By
SONY KP46S55
No video or audio from tuner, cracked m board The function of channel up/down is not working. using direct access, it was possible to display a channel number, but there was only snow(no pix or sound). however, video line input worked ok and this symptom was affect
SONY KP41V15
No power due to leaky d612 on g board Unit would not turn on. technician removed transformer t608, and check it. because it was getting hot. however, this transformer has no problrem. i discovered there was 1 volt on pin 3 of ic602.
SONY APMX4
What is the impedance and wattage of the speakers
SONY SPPA5000
No disconnection with b & k telephone analyzer Answering machine will not disconnect with b & k telephoneanalyzer. the unit works fine with normal telephone line.we would like to have the information on vox circuit. -hq comments: this unit will not disconnect with the b&k telephoneanalyzer becaus
SONY CMH333
Poor or no reception (checks o.k. on tester) Customer complains of poor or no reception. however unitchecks o.k. on cellular tester. it is due to poor antenna contact as whenthe unit is checked with cellular tester, the phone's antenna contact isout of the circuit and the external antenna terminal
SONY CMH333
No audio - glue receiver lead to cover No audio on ear piece.
SONY GDM20SE1
No operation, center light on, pwr save blinking,q511 failed No operation, has high voltage but no picture, center lightworks power saving light is blinking.
SONY TCWR445
Noise when unit is turned off - repl ic801 Ic801 defective/ when i turned the unit off, the motor keepsrunning. no display but voltage is present at the motor.
SONY TAAV621
No surround output, surround chip overheats - repl ic304 Unit had ic304 replaced from previous service. found s/m pg17, incorrect indicating notch in corner of chip to be between pins 1 and64. chip notch is between pins 48/49 as indicated on pg 23.
SONY STRGX900ES
In dolby surr the audio fades out after 1hr. - repl ic301 When in dolby surround mode the audio will fade out tosilence after approx. an hour of playing. audio present if direct buttonpressed.
SONY STRGX900ES
Int noisy left channel - repl ic404 Left speaker crackels intermittently.
SONY STRGX900ES
Static sound left channel - replaced ic401 Static sound left channel
SONY STRGX800ES
No center/front output - replaced output devices Transistors output shorted, no audio.
SONY STRGX47ES
Low-vol buzz both chls at min vol - tighten gnd on main pcb Low-volume buzz both channels, even at minimum volume. buzzsounds like data interference on audio line.
SONY STRD915
Dead - resoldered ry901 Found one side of coil on the power relay unsoldered.
SONY STRD515
R805 and ic801 defective The +12v regulator ic801 had shorted, and r805 open.
SONY STRD1015
Display fades out in some function modes - resoldered t902 Unit came in dead, svcr replaced r-channel outputs, checkedout and gave back to cust. after 1 month, customer complained that when heswitched from video 1, 2, or 3 power supply to tuner, cd, or ld, display fadedout and audio muted. servicer verified problem. c
SONY STRD1015
All input signals are heard at the same time - repl ic501/2 Switching ic501/502 defective. i can hear all input signalsmixing at one time.
SONY STRD1011S
Low output on left channel @ 300 hz - normal in dance mode When using video input 3 sound field dance mode, the outputat the left mainspeaker is approx. 30% lower than the right. to verifythe problem a generator was used at 300hz. two other units with sameproblem. -hq comments: update 5/3/95: i checked the sa
SONY STRAV910
Dc at the output of q716/715 is -36v - repl r706 Output one channel has dc volt -36v. found resistor r706change value from 33 to 160k. value of r706 is 33.