Service manual

-50-
TROUBLE DIAGNOSIS
Fig. 5 Trouble Diagnosis Flow when “SHUT DOWN” occurs
Turn ON the SET
NOYES
Turn AC power OFF
Open BACK COVER
"SHUT DOWN"
occur?
Set POWER PCB'S VOLTAGE SWITCH
to LOW (refer to Fig. 4)
Turn AC power ON (STAND BY)
YES
Replace POWER PCB
NO
Disconnect CN801, CN803, CN805, CN806
of POWER PCB and set AUTO & NORMAL
S/W of Power PCB to AUTO
"SHUT DOWN"
occur?
* LOW VOLTAGE part is problem.
* Related PCBs
DIGITAL, MAIN, SUB
* Trouble Diagnosis in order
shown as Fig. 6
* HIGH VOLTAGE part is problem.
* Related PCBs
High Voltage, SCAN, DATA
* Trouble Diagnosis in order
shown as Fig. 7