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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: 8
Matsui
25M2
(Sanyo)
No start up - LED flashing
R621 & 620 both 120k in psu pri
14-09-04
Matsui
25M2
(Sanyo)
No start up LEDs flashing
R621 & 620 both 120k resistors in the PSU primary.
14-09-04
Mitsubishi
C
25M2
TX
Field collapse
AN5521 FOP chip & C454 100µ 35v hi esr
14-09-04
Mitsubishi
CT
25M2
Field collapse & burn up around D533
Replace D533 BYD33G (used BYW96E in lieu) C560 2200µ 35v, C457 2200µ 35v & IC451 AN5521 - also check caps in psu - C914, C905 etc
14-09-04
Mitsubishi
CT
25M2
TX
EXCESSIVE WIDTH WITH BENT VERTICALS
CHECK FOR DRY JOINTS ON C558 WHICH CAUSES IC5E1 AND L555 TO FAULT
14-09-04
Mitsubishi
CT
25M2
TX
No E/W control with excess width
Dry joint C558 caused failure of IC5E1 TEA2031A on E/W pcb & L555 s/c turns (should read 80R) Pt no MITS409P749010
14-09-04
Mitsubishi
CT
25M2
TX
OK at sw on then no osg aft 30sec. Aft 5mins blank raster for 10sec on chan change or adj Vol
If freezing field chip IC454 AN5521 works ok - chip faulty
14-09-04
Sony
KVXF
25M2
0
Lightening damaged
Smoothing cap C613 560uf, Low v p/supply; D631 + D632 - s/c R602 4r7 o/c, C646 10uf 450v - popped, Q605 2SK2845- leaky, D623 12v zener - leaky
14-09-04
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