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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: 509
ITT
Digi
Red picture - grey scale will not set up.
T1033 tube base blue drive.
14-09-04
ITT
Digi
Snowy raster.
IC1402 ( MEA2901 )
14-09-04
ITT
Digi
Sound - crackle when on hyposound.
IC670 on digi board APU 2400E.
14-09-04
ITT
Digi
Sound - no sound , picture or channel display.
T742 , F701.
14-09-04
ITT
Digi
Sound - no sound on one channel.
APU IC670 faulty.
14-09-04
ITT
Digi
Sound - no sound or vision.
R519 burt up due to D513 , check T561/2/3.
14-09-04
ITT
Digi
Sound - varies.
ICx2 ( APU ) on digi PCB.
14-09-04
ITT
Digi
Sound - will not adj correctly.
Memory IC on front unit ?????07
14-09-04
ITT
Digi
Teletext - incorrect.
TPU IC640.
14-09-04
ITT
Digi
Teletext - no teletext.
TPU IC640.
14-09-04
ITT
Digi
Text - information displaced.
TPU IC640.
14-09-04
ITT
Digi
Text - no text.
D403.
14-09-04
ITT
Digi 3
At sw on whisles, display lights for a sec then electronic fuse operates
OK on dummy load - s/c across -13v supply - D547 BA158, TDA2170 Field o/p chip IC401 & C548 1000µ16v s/c
14-09-04
ITT
Digi 3
Blank raster
VCU2100A codec chip IC650 on digi board
14-09-04
ITT
Digi 3
Col incorrect
IC630 PVPU2200 or Xtal X610
14-09-04
ITT
Digi 3
Colour faulty - osc off freq effect
IC610 clock gen chip
14-09-04
ITT
Digi 3
COMES ON AT SWITCH-ON GOES STRAIGHT OFF SMELLS OF Burning?
FIELD OP IC SC TDA2170
14-09-04
ITT
Digi 3
COMES ON FOR 5secs THEN GOES DEAD
D547 SC IC401 TDA2170 SC C548 SC
14-09-04
ITT
Digi 3
Crackling sound in Hyposound mode
APU2400E IC670 on digiboard
14-09-04
ITT
Digi 3
Dead
D795 s/c
14-09-04
ITT
Digi 3
Dead
Check chopper tr T742; DPU2540 deflection proc chip can drive LOP at wrong freq
14-09-04
ITT
Digi 3
Dead - chopper tr blows
Bridge rects D703-6 req changing
14-09-04
ITT
Digi 3
Dead - HT low
C535 1nF s/c
14-09-04
ITT
Digi 3
Dead - R519 burnt
Replace D513 BY448
14-09-04
ITT
Digi 3
Dead - tripped
Check D547 & 8 (+/- 13v rects)
14-09-04
ITT
Digi 3
dead - trips once at sw on
LOP Tr S2000 (BU508A) leaky c-e. NOTE when run on dummy load HT is only 110v (145v) - this is normal
14-09-04
ITT
Digi 3
Dead.
T738 s/c , C714 ( 10uf 50v ) o/c , C712 ( 10uf 400v ) s/c.
14-09-04
ITT
Digi 3
Field faulty
IC771 L78S05CV 5v reg
14-09-04
ITT
Digi 3
Field non lin
D411 6v8 zener
14-09-04
ITT
Digi 3
Flyback lines at top
C402,[100mf,25v]
14-09-04
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