Daewoo DSJ-6000LN, Руководство по обслуживанию

Страница: 30 / 39

- 29 -
No “Power On”
(Timer on/off and the main power lamp
lighting in orange)
Check if Engine Fan acts for a moment and stops
(Check if air blows to center ventilation hole on
backside of product)
Check voltage of pin 7(7V/10V)
in P806M at Power PCB
Replace Power PCB
Check “Short” between output
voltages at Power PCB and GND
Replace
LCD ENGINE Replace
SHORT PCB
Replace MAIN PCB Replace VIDEO PCB
Contact badness
of Connector
Check voltage of pin 5 (ID_1)
in P626C at Main PCB
Check voltage of pin 3 (32Pin) in P612V
at Main PCB
Remove Engine Unit, Check if it’s
short between pin 3 (Red wire) in
P922E at interior PCB (1x3cm) in
Eugire and Pin 5 in P626C at main
PCB
The voltage is mane
Then DC 5V in a short
Time, then it goes to 0V
POWER ON
NO
0V
More than 0.5V
NO SHORT
SHORT
NO YES
Less than 2V More than 2V
0V