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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: 9
Aiwa
VX
S14
0
Blank raster & no VCR funct except clock
FR551 [0.1 ohm 1/6 Watt] O/C
14-09-04
Aiwa
VX
S14
0
Lack of brightness on Video playback & off air
No 800V screen drive Increase FR752 from ( 1K ) to ( 1K5 ) PtNo 87022388060
14-09-04
Aiwa
VX
S14
0
TV sect remains on (No st/by)
115V power switching transistor Q550 [2SB816E] was S/C C-E
14-09-04
Hitachi
C
S14
15RE
Dead - PSKE130 prot diode s/c due to excessive HT
Won't run on dummy load - has 220v HT off load; Q 951 BF422 Leaky Base Em.
14-09-04
Hitachi/Fujian
HF
S14
25
Store function inoperative-Does not hold memories.
Pin2 of M58655 memory chip, must be at -30V. If not, check/ replace C920 1uF/250V cap.
14-09-04
Hitachi/Fujian
HF
S14
25
Store function inoperative-Does not hold memories.
Pin2 of M58655 memory chip, must be at -30V. If not, check/ replace C920 1uF/250V cap.
14-09-04
Mitsubishi
BD
S14
51UK 11AH20-S
St/by only
Check D604 BA157 LH side of LOPTx & R/C is initialised after batt change - Initialise remote by pressing arrow L arrow R and arrow Down as well as number 1 at the same time
14-09-04
Mitsubishi
BD
S14
51UK 11AK20-S
St/by only
Replaced IC501 (ST92195B1B1) Micro & check 4Mhx Xtal
14-09-04
Mitsubishi
Black Diamond BD
S14
51UK 11AK20-S
St/by only
Check 4Mhz Xtal by micro - may be dry jointed
14-09-04
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