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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair
Make
Model
Problem
Solution
Date
Found: 917
Sony
SCC-244A
Loss of line hold.
May also have EW fault C811 ( 0.47uF ) .
14-09-04
Sony
SCC251
off - no HT
2SC1942 chopper s/c (use BU208A) R637 0R33 1W o/c, R640 10k burnt out also check C616 &621 HT caps & R604 8M2
14-09-04
Sony
SCCB15DA
No pic - in tuning mode would show pic but not stop
Dry joints at T101 & T102 on tuner pcb
14-09-04
Sony
SCCB15DA
No picture.
R807 ( 1k ) 0/c , D803 ( 1N4004 ) s/c L/H side of LOPT.
14-09-04
Sony
SX
Convergance errors.
Q1504 leaky from base to emitter.
14-09-04
Sony
SX
DEAD , ENERGISES BUT SHUTS DOWN
LOPT - FAT 3925
14-09-04
Sony
SX
Display only visible at bottom of screen - top blanked
Scastle pulse has square wave superimposed on it at IC501 TDA2579 replacing chip cured fault
14-09-04
Sony
SX
Field cramping & top foldover
C563 3µ3 160v
14-09-04
Sony
SX
off - no HT
lopt and L651 o/c
14-09-04
Sony
SX
Pattern - rope pattern 1/8in wide.
Drys around C715 & scan coil connection plug.
14-09-04
Sony
SX
trips off aft half second - no led lit
ok on dummy load - lopt
14-09-04
Sony
SX
Won't tune in VCR & BBC1pic poor
dry joints IF tfmrs
14-09-04
Sony
VTX-100CS TV Tuner
No sound
Check/Replace R358 220Ohms Resistor
14-09-04
Sony
XE-3
tuner drift aft 4 mins then chan search
switches S401-413 on front panel faulty
14-09-04
Sony
XE-4
Red & green flashing/streaks/squares & no txt when heated
SAA5243P chip on txt panel soldered directly in (dry joints holder)
14-09-04
Sony
XE-5
no store chans
dry joints tuner/IF section
14-09-04
Sony
XE2
Dead - Pin 4 of chopper IC not 2.9v.
R602 2M2 o/c.
14-09-04
Sony
XE2
Dead - after 5-10 seconds at sw on
R602 high or o/c.
14-09-04
Sony
XE2
Dead.
R602 ( 2.2MR ) o/c.
14-09-04
Sony
XE2
No startup.
R602 ( 2.2MR ) o/c , IC601 ( uPC1394C )
14-09-04
Sony
XE2
Slow startup.
R602 goes high.
14-09-04
Sony
XE2
Startup - no or intermittent - fuse intact
IC601.
14-09-04
Sony
XE2
Tuner out of action
If 33V ok check Q10 for control voltage VC point on tuner if low Replace C134 inside tuner
14-09-04
Sony
XE3
BLANK SCREEN SOUND OK
uPC1377 LINE OSC IC FAULTY
14-09-04
Sony
XE3
DEAD , ic OSCILLATING ( MAY START IF ic HEATED )
R 602 , 2.2M 1/2 W
14-09-04
Sony
XE3
Dead with no drive at pin 7 of the chopper control
R632 ( 2.2M ) , which is connected to pin 4 of IC601 and is used for standby switching.
14-09-04
Sony
XE3
Dead.
R632 ( 2.2MR ) going high on panel A.
14-09-04
Sony
XE3
Dead.
IC601 ( uPC1394C ) , R632 ( 2.2M ) , Q202 ( 2SD788 )
14-09-04
Sony
XE3
Flyback - lines - intermittent.
D304.
14-09-04
Sony
XE3
Flyback lines - picture shaded with no signal
C801 leaky.
14-09-04
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