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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: 6
Philips
32 PW 9
503
/12
Problems with a Philips 32 PW 9503/12, chassie MD 2.22 Shortcircuit in HV-transistor BU2520D, short in 2418 (85 ohms). 220pF Have replaced both of them, tv started up for 1 sec with highvoltage then to stby. Red standbylight on front is blinking rapi
also replace fet 7470 = IRF620FI
18-08-05
Samsung
CI
503
0
No sound.
X601 XTAL ( STEREO SOUND
14-09-04
Samsung
CI
503
0AN
No pic for up to an hour
No line lock - adj H sync preset
14-09-04
Samsung
CI
503
0AN
Slightly off tune at sw on gradually improving
C401
14-09-04
Samsung
CI
503
8Z
Tripping with HT low at 102v instead of 125v
SMR earthing was suspect on heatsink (new type device recently fitted) I PSU
14-09-04
Samsung
CR
503
5
Dead aft storm
STRS 6707 D404 (15Volts start up for Drive ) TDA 7056 audio chip ( no sound ) TDA8362 Jungle chip no OSD
14-09-04
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