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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: 7
Hitachi
C2558
repeated failure of TDA3654 field o/p chip
dry joint scan coil tag also replace flyback boost cap to pin 6 (47 or 100µ)
14-09-04
Hitachi
C2558
TN
High HT
R941 100k, ZD941 10v zener - HT = 157v
14-09-04
Hitachi
C2558
TN
Slow start up
12v rail low - C933 2200µ 25v
14-09-04
Hitachi
C2558
TN
st/by - wont come out of using front controls
use hset - reason u/k
14-09-04
Hitachi
C2558
TN
Tripping to st/by
C931/2/3 on sec of sm trfmr - Note R/C reqd to bring set out of st/by
14-09-04
Hitachi
G8Q
C2558
TN
St/by only
IC901 UC3844, Q901 BUZ91A, Q902 SGSIF344 & Opto OC941 CNX82A
14-09-04
Hitachi
G8QP
C2558
TN
Dead - fuse o/c
C915 1n5 2kv in psu s/c
14-09-04
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