Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY STRGX60ES
Bias adjusment procedure is incorrect Noticed the bias adjustment was not correct in the servicemanual. in the manual, it called to measure across r710(lf) & r760(rt).i believe you should measure from the emittrs of q-704 & q-703 for theleft channel and q-754 and q-755 on the right channel.
SONY STRGX50ES
Bias adjustment procedure is incorrect Noticed that the bias adjust was not correct in servicemanual. in the manual it called to measure across r710(lf) & r760(rt).i believe you should measure form emitter of q-704 and q-703 for the leftchannel amd from the emitter of q-754 and 755 on the ri
SONY KV32XBR15
Ic-101 does not match part number in manual, see sb # 92 Above part number does not match with the part called for inthe service manual. -hq comments: during production, the microprocessor was changed. thesetwo ics are not interchangeable. please check to see what micro is beingused before ordering from kcp
SONY KV27XBR65
Ic-101 does not match p/n in manual, 8-759-633-67, sb 092 Above part number does not match with the part called for inthe service manual. -hq comments: during production, the microprocessor was changed. thesetwo ics are not interchangeable. please check to see what micro is beingused before ordering from kcp
SONY CDP370
S/m error; e-f balance adjustment Page 7 of the s/m. e-f balance adjustment calls for groundingtp(gnd) to set adjustment mode.
SONY KV27XBR10
Remote gives iregular functions, replaced ic-1701 When using the remote control, unit would operate erratically.for example, hitting the power off, the set changes channel.
SONY KV20EXR10
No power, replaced c-112 No power. pins 29, 1, 38, 27 all checked out ok. however,there was no 5v on pin 25 (power) on ic-101 and as a result no drive forthe relay from pin 7 of ic-101.
SONY KX1901A
White video smear along with jail bars in background The unit displayed a white video smear along with jail bars inthe background. scoping tp-92 revealed 2v ripple, also found 1 volt ofripple at tp-93.
SONY KV27TS30
Horizontal jitter, replace c-501 Horizontal jitter for the first 10 minutes. then unit worksfine.
SONY ITA850
Unit cutting off icm Answering machine cutting off icm after a couple of seconds.found this problem in three units also serial numbers 15668 and 81697.after unit cut off, icm machine would default into answer mode 2. putunit in test mode, put unit into icm play, icm began t
SONY SLV50
Head drum replacement part This part is being substituted by part number 8-848-518-01.when this substitute part is installed, tapes recorded on the machine havea rainbow noise pattern at the beginning of the recording evidence thatthe flying erase head is not working. when the or
SONY EVS700U
Unit will not power up Unit will not power up.
SONY SLVR5UC
No display No display. replaced display board still no display. checkedvoltage on drive ic no -30v traced -30 to power supply. found resistoropen (nothing on power supply block in the service manual).replaced resistor on -30v, display is ok. put old circuit boa
SONY SLV757UC
No play Unit loads tape but drum runs very slow. checked drum drivecircuit ic-001 on md-22 board and it was very hot. replaced ic stilloperating very hot. didn,t have time to check any voltage. checkedall electrolitic caps for s/c around ic. when checking a
SONY TCH500
No power to tape deck The printed circuit board, 901, is often found broken throughthe ventilation holes. this break destroys several traces and renders theunit powerless. it appears that the board is weak at these points and isunable to withstand any shock to the rear pane
SONY ACV60
No power on No power on.
SONY SL3030
Capstan servo intermittent/will not lock/unstable picture Very intermittently the capstan will run too slow. ctl fre-quency goes from 30hz to 27hz. phase lock on phase pwm is lost. fg, ctl,sc, tracking and vcc are all normal. this problem occurs in both bii andbiii playback.
SONY SL5101
Bad capacitor in tantalum capacitor kit A capacitor kit was installed in this vcr to correct therecord lock phase. after installation, the servo circuits would notalign. the capstan phase servo output at ic-001, pin 23 (tp-5) which isnormally 5.5v was zero in both record and playback, bii or
SONY D2
No sound from left channel through headphone This unit had no left channel sound through headphone jack,only line out was ok.
SONY STRV35
Signal clipping due to incorrect part substitute Q-605 and q-655 seems to have an incorrect substitute. theoriginal part was 8-729-601-42 (2sc1914a) which crossed to a 8-729-800-32(2sc2362k). the substituted part would overdrive the signal causingclipping and the output to distort.