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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: 3
Hitachi
A7 series
Field collapse or cramp
Check IC601 & if R616 68k is fitted, if not connect across ZD603 - helps prevent crt flashover damage
14-09-04
Hitachi
A7 series
Int reverts to st/by - due to high HT of 175v (135v)
Check for dry joints (often invisible) on Set HT pot VR950
14-09-04
Hitachi
A7 series
Short pic
Check value of R602 or 603 (1R - 2R2), they can increase in value slightly
14-09-04
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