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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: 5
Philips
MD1.2E 25PT4
523
/25
Dead Disc ceramic (2540) blown apart, 10R fusible resistor (3524) o/c and diode (6524) s/c.
2540 330pF 2Kv disc ceramic (4822 126 11254) 7540 STP4NA60FI FET (4822 130 63787) 3524 10R 0.33W 5% fusible resistor (4822 052 10109) 6524 BYV10-20 diode (4822 130 31631)
14-09-04
Philips
MD1.2E 28PT4
523
/25
Tripping
C2433 1n5 2kv burnt up
14-09-04
Philips
MD2.25 32PW9
523
excessive width with E/W
IC7480 (482213011336) EW chip
14-09-04
Philips
MD2.25 32PW9
523
/25
Width shrinks & reverts to st/by on bright scenes
Current sense resistors R3546, R3547 0R39 in PSU had gone slightly high in value
14-09-04
Philips
MG2.1E 32PW9
523
/05M
Starts up, relays click then shuts down with LEDs flashing
Check relay 1010 - conducts only briefly at sw on in this case
14-09-04
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