Philips S42SD-YD09 Service Manual page 27

Service Modes, Error Codes, and Fault Finding
Check CN801
Connect [ 220Vac]
Figure 5-11 Power Supply Check for 63" HD v4 models 1/2
On/OFF Relay
SMPS
Insert Relay Switch at
1M03
SMPS
Check Protection
Check output voltage
Vs, Va, Vset, Vscan, Ve
Replace
Figure 5-12 Power Supply Check for 63" HD v4 models 2/2
Ac Input
230Vac or 120Vac
YES
SMPS
[Note]
Do not Vs voltage occurrence
if there is no Vs _On signal
NO
-Turn Off Relay SW-
Discharge PFC Voltage
Use to10W1kR
YES
at CN 804
NO
Open CN 801
Then Reset SMPS
( Use to10W1kR
YES
at CN 804)
NO
SDI PDP 2K6
NO
Reconnect it
SMPS Voltage check
D5.3V;5Vsw Check
Vs ; 184V Check
NO
Va ; 72V Check
Vset; 178V Check
Vscan; -160V Check
Ve; 88V Check
Vg; 15V Check
D3V3; 8V6 Check
12Vssb; Vsnd Check
5Vstb; Check
Fuse ( F8101)
Replace SMPS
G_16380_040.eps
- Turn ON Relay SW-
No PFC Voltage
Use to Multi Meter at CN 804
NO
Check
Vs on
Checking, repeat
YES
Turn off Relay SW
Open these connector
One by One
- CN804, X-Main check
- CN805, Y-Main check
- CN811/CN806 Buffer check
Check output voltage
Vs, Va, Vset, Vscan
,V e
Replace SMPS
YES
Go to 4-1-2 No Display
G_16380_041.eps
5. EN 27
161006
Replace
SMPS
NO
161006