7.5. Power Indicator - Not Light
No LED
YES
NO
Replace Main PCB.
Is FFC between
OLED PCB and Main PCB
damaged?
YES
Replace FFC.
NO
NO
Is the correct voltage presented
at connector P8401 on Main SW PCB?
Between Pin 1 and 7: +4.8 to 5.2V
Is there a connection
between
Pin 1 of P8401 on Main SW PCB and
Pin 7 of P8003 on OLED PCB?
Replace OLED PCB.
YES
YES
<6>
Is the correct voltage +5V
present from IC5002?
Confirm between both side of C5038.
(Refer to Chapter 7.4)
NO
Is the correct voltage presented
at connector P8001 on OLED PCB?
Between Pin 9 and 7: +4.8 to 5.2V
NO
Replace Main PCB.
YES
YES
NO (No connection)
Replace Main SW PCB.
Replace Main SW PCB.