Philips S37SD-YD02 Service Manual page 31

Service Modes, Error Codes, and Fault Finding
BD8903
BJ8902
right pos.
J8004
J8003
LED8002
Repair 42" & 50" SD/HD v4
as stand alone.
Check PDP type number:
PDP identification =
Disconnect and remove SSB.
Remove plastic frame to have acces to all boards
- Insert jumpers at J8003, J8004 (and BJ8902 for
stand alone application without Logic brd).
- Insert jumper CN2012 on Logic Brd for full white picture.
Connect Mains to PSU board
(CN8001 on Power Supply, use mains filter).
LED8001 CN8001
8002, 8001, BD8903 (on PSU)
No
PSU okay. If display problems,
go to fault finding part:
No Display Abnormal Display
Figure 5-9 Repair scenario 42"/50" SD/HD v4 stand alone panels
S42SD-YD07?
S42AX-YD01?
S50HW-XD04?
Yes
Green LEDs
No
(jumper setting ok?)
are "on" ?
Protection
Yes
LED BD8903 is
blinking?
Determine defective
Some horizontal or
Go to "Power Supply Check"
Vertical Lines don´t exist repair procedure for v4 versions.
SDI PDP 5.
Other PDP
type
Go to other repair scenario
LED signature Detected error condition
1 time V_A OVP, UVP
2 times 12V OVP, UVP
3 times V_SCAN OVP, UVP
4 times D3V3 OVP, UVP
5 times V_S OVP, UVP
6 times V_G OVP, UVP
7 times V_SET OVP, UVP
8 times V_E OVP, UVP
9 times Over-temperature (> 105 oC)
10 times PFC_OK UVP (> 330 V)
11 times 5V2 OVP or Active DC_PROT
13 times D5VL OVP, UVP
Power Supply
is defective.
part via error table.
Replace Power
Supply board.
F_14991_037.eps
EN 31
111005