12. Step 10 – Repair PSU. Follow the guides shown by others on this site. The PSU is illustrated
below. I have listed the capacitors used and there values. You can check most of the
components with a multimeter. There are several fuses on the board, look at these first.
Secondly – diodes, thirdly, capacitors & resistors. Transistors, coils and voltage inverters last
of all.
Capacitors Required for PSU
Type Voltage micro farads Tolerance Quantity
KMG 400v 68 20% 1
KY 35v 220 20% 2
KY 6.3v 1000 20% 2
50v 22 20% 1
KNB1560 275vac 0.33 10% C>=0.1 uf 1
PSU model: FM-40A04-AAA
Manufacturer: Asian Power DevicesRe-assembly reverse order as above. NOTE controls at
foot of screen.
Whilst I'm not an electrical expert, you can email me for larger or original images at
bob.felstead@tiscali.co.uk.
Good Luck!
Bob
PSU - Left, LCD controller - Right
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