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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
Matsui
14V1
R
Dead - 2.5A fuse blackened
T665 (MJF18004C), IC630 (UC3842N), D663 (3.6v zener), CD656 (LL4148 smd diode) and CD656 (18v smd zener) were all S/C R661 (220R 1/2w) O/C. Cause was C669 1n 1400v dry joints
14-09-04
Matsui
14V1
R
Won't go fully into st/by - crt heaters stay lit etc
Pin 1 IC676 should drop to 1.2v in st/by - was staying at 10.7v. BC848 sm tr downstream from pin 1 was faulty though checked ok
14-09-04
Matsui
14V1
T CUC7303
Dead - Chopper FET s/c
HT res cap 47µ 385v o/c
14-09-04
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