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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: 10
Crown
CRP14 Matsui 2096
Child Lock removal
Connect a tact switch between pin 4 & 17 of IC1 (in r/c) . When TV is sw on via R/C & a chan is selected that has a PASS code no. (child lock) will allow access approx 1 sec after pressing the tact switch once. The pass channel will clear & pic will return. To remove child lock permanently press tact switch again a message "PASS CLEAR" will appear on screen
14-09-04
Goodmans
215N T2172TUSU Comet
dead with ticking noise from loud speakers
C811& C813 both 100uF 16v, C812 1uF 50v All read very low, in power supply circuit
14-09-04
Grundig
Super color 8472/8672/8272/8872/9272
R621(6,2ohms) smokes immediately after switch-on.
Replace thyristor Ty503 type17127
14-09-04
Grundig
Super color 8472/8672/8272/8872/9272
R621(6,2ohms) smokes immediately after switch-on.
Replace thyristor Ty503 type17127
14-09-04
Grundig
Super color 8472/8672/8272/8872/9272
Won't search.
Pin 5 of syntheseizer module, should have 3,5 volts. If not, change R4111 (1,8 volts).
14-09-04
Grundig
Super Color 8615/8415/8215/8115
Won't start, no EHT present.
Di518 Sced. It's located behind the large 15uF nonpolar cap.(C532)
14-09-04
Hitachi
CP2514TE Issue 7C
Service mode access
If the set has 3 pins close to the earom 24c04 then short pins 1 & 2 or 2&3 .
14-09-04
JMBC
2099TX Matsui TVR180
St/by only
syscon/timer/servo IC1006 OEC0078C using the sub-panel to get it out of S/by and then corrected incorrect Hex values. (Or get preprog 24C08 from Grandata)
14-09-04
Samsung
LE32A456C2D PSU board: BN44-00214A
ot coming out of standby or shutting down.
Check solder joints on T0-220 MOSFET QB802 on the power supply board.
11-10-12
Sony
FE1 KV25KSU
FRAME IC HOT LINES ON SCREEN
REPLACE C506 0.01MFD
14-09-04
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