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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
C28W1TN
Cuts out
FOP chip TDA3650Q - also could be 68k & 8k2 res & dry joints Line Dr Tx
14-09-04
Hitachi
C28W1TN
Cuts out aft 10 secs (line freq appears to double)
Field chip TDA3650Q - other possible causes - 68k & 8k2 res & 1k pot
14-09-04
Hitachi
C28W1TN
Tripping, tearing pic & OSD & no B
R809 560R & Q814
14-09-04
Hitachi
C28W1TN
Trips aft 5 secs after trying to start up
FOPTr TDA8350Q was faulty - removing it makes no diff to symptoms HT should be approx 152v with Philips/LG crt
14-09-04
Hitachi
C28W1TN
A7
Excess height - unable to enter serv mode
Can be altered using EEPROM programmer - address 171H is the location
14-09-04
Hitachi
C28W1TN
A7
Service mode entering
Set to Chan 44 & press "Status" button(I or +) then mute & TV
14-09-04
Hitachi
C28W1TN
-311
Dead
R950 68k o/c, Q954 s/c, BU2508AF LOPTr s/c - psu will work for checking if loaded with 2k2 10w
14-09-04
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