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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: 5
Hitachi
C2
848
TN
Dead
Check 138v HT if hi check R950-2, Q703 gate = 3-4v (trip mode) Check for dry joints on R719 or Ics 950, 951,952
14-09-04
Hitachi
C2
848
TN
In factory set up mode - C***48TN-311 displayed
Remove R/C flap & press tuning button. Then press Menu button & go to st/by
14-09-04
Hitachi
C2
848
TN
No sound - sound psu tripping
Still trips with both audio o/p chips dis'd - D9112 s/c
14-09-04
Hitachi
C2
848
TN
no tuning or hi vol setting (hotel mode)
depress vol+/- whilst sw on. Press 2 vcr buttons on r/c. Check for "H" in lower right of menu. If pesent, delete using - /-- button.
14-09-04
Hitachi
C2
848
TN
Txt has low contrast
Poor freq response on Txt - change C805-6&7 to 470pF, check R203 is 2k2 & R204 is 560R - R204 can be changed to 680R as a last resort
14-09-04
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