Samsung AW09A0KE Specifiche Scaricare il pdf (Pagina 24)

5-2-2 When the assembly panel PCB is not operated

Samsung Electronics 5-3

1) Check points

(1) Is the voltage of the power source normal ?

(2) Is the electric wire in good contact ?(CN71, RY71)

(3) Is the connection of the assembly main PCB, and assembly panel PCB in good contact?

(CN91, CN92)

(4) Is the voltage of +12V normal ?(CN 91 No 1 pin and No 4 pin : +12V±0.5V)

(5) Is the voltage of +5V normal ?(CN91 No 2 pin and No 4 pin : +5V±0.5V)

Check the micom

(IC04) for a short,

and replace it.

Check the micom

(IC04) for a short,

and replace it.

Check the IC07

for a short, and

replace it.

Check the micom

(IC04) for a short,

and replace it.

Normal operation

Check the micom

(IC04) for a short,

and replace it.

Replace the assembly panel PCB

Replace the assembly

panel PCB.

Normal operation

N N

Y Y

Turn off the power, and then turn it on again

five seconds later.

When the LED lamp is

not operated.

When the TACT switch is

not operated.

Is the voltage of the micom

(IC02) No.7~13 port a square

wave?

Is the voltage of the

micom (IC04) No.22, 31port

a square wave?

Is the voltage of the micom

(IC02) No.14~16, 23 port a

square wave?

Is the voltage of the micom

(IC04) No.14~16, 23, 24 port a

square wave?

Is the voltage of the

IC07 No. 15~18 a

square wave?

Check the IC08

for a short, and

replace it.

Is the voltage of the

IC08 No. 10~16 a

square value?

IC04 : Assembly main PCB part.

IC07, IC08 : Assembly panel PCB part.

AW0690-00162A-2 5/16/00 11:34 AM Page 5-3

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 47 48

Commenti su questo manuale

Nessun commento

Samsung AW09A0KE Specifiche Pagina 24

Commenti su questo manuale

Prodotti e manuali riguardandi no Samsung AW09A0KE