Philips for Intel Socket 775 processor Service Manual page 21

Repair Scenario SDI PDP panels as stand alone
3122 785 90770
Remove plastic Frame to have acces to all boards
Connect Jig connector with switch to Sub Supply
Position of DIP Switch Int or Ext is indicated on board
Go to fault finding part
No Display Abnormal Display
Diagnostic software
Repair 42" & 50" SDV3
as Stand alone
Check PDP type number
PDP identification =
S37SD-YD02 or YB01?
S42SD-YD05 or YB03?
S42AX-XD02 or XB01?
S50HW-XD03 or XB02?
Disconnect and remove SSB FTP2.2
or LC4.7 board.
CN9004 / CN9005
Set DIP switch 3 to internal mode
Connect set to Mains
CN8001 on Power Supply (use mains filter)
Green Stby LED
8003 is on ?
Yes
Switch Jig connector switch on
Green LED 8001
& 8002 are on?
Yes
Some horizontal or
Vertical Lines don´t exist
Figure 5-8
S/SD/HD 3.1 PDP
V3 & V4 versions
Other PDP
type
Go to V2 repair scenario
1 1 2 2 3 3 4 4
Internal Internal
No
No
Protection
LED8004 is on?
Yes
Go to operating voltages
don´t exist repair procedure for V3/V4
Versions.
Switch on via Jig connector switch.
5. EN 21
1 1 2 2 3 3 4 4
External External
Standby Supply
is defective
Replace Power
supply board