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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: 10
GEC
20AX
MK1
Channels - Jumping back to channel 1.
IC201 ( SAA1025 ) , IC202 ( SN74141N ) , D206 , C5 , IC3.
14-09-04
Matsui
25M1
Mk1
11
Dead - no lights with psu ticking
St/by tfmr Pt no PTO146a from CHS
14-09-04
Minoka
MK1
491A
Green raster - no video
TA8718 IC201 Timebase gen/col dec u/s
14-09-04
Minoka
MK1
491A
Tripping with 112v HT low
Dis loptr makes no difference - TDA1013B audio o/p IC faulty
14-09-04
Minoka
MK1
498N
Dead apart from buzz at sw on
5v supply ok at pin R on daughter board but pin R (reset) was only 2.8v instead of 5v - IC701 has s/c pin 23 - chip u/s - Akura provide board exchange service
14-09-04
Panasonic
Euro 7 TX28MD
Mk1
C/M
White raster , no OSD - sometimes G with FB Lines - very int
Replaced micro SDA5450C48 (34 UKP)
14-09-04
Panasonic
TX25
MK1
Dead, no st/by, mains & 12v on relay
SMC Transistor Q853 BC847B
14-09-04
Sony
KV2060/62
Mk1
&2
blank raster and no sound although it appeared to lock sync blank stable pic )
1/ D 102 in the mute cct ( MK1 versions only ) 2/ D 306 in pulse shaping cct ( Both Versions )
14-09-04
Thomson
TX807C 10
MK1
6UF
Loud buzz on AV I/P
IV001 TDA9554PS/N1 U/S. Fit Micro kit part No.35190040
14-09-04
Thomson
TX807C 14
MK1
5U1
No comp video via scart - ok off air pic
Break between RV023 & RV022 (invisible)
14-09-04
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