Service Modes, Error Codes, and Fault Finding
EN 25
SDI PDP 2K6
5.
Figure 5-7 Power Supply Check for 42” HD w1 models 1/2
Figure 5-8 Power Supply Check for 42” HD w1 models 2/2
AC Input
Connect [ 220Vac]
Check CN8001/2pin
Reconnect it
NO
YES
Replace SMPS
Fuse
8001/8002/8005/8007
5Vstandby: 5.2V Check
D3V3: 3.3V Check
Vcc: 15V Check
Ve: 110V Check
Vscan: -190V Check
Vset: 190V Check
Va: 65V
Check
Vs: 195V
Check
D5V: 5V
Check
SMPS Voltage check
SMPS
Green
LED 8001,8002
Check
NO
O
1
G_16380_124.eps
190606
SMPS
On/OFF Relay
(RLY 8001, 8002
Acts?
LED (Green)
8001, 8002 off
NO
YES
SMPS
YES
Check output voltage
Vs, Va, Vset, Vscan, Ve
NO
Replace SMPS
Turn off Relay SW
Check output voltage
Vs, Va, Vset, Vscan
NO
YES
Replace SMPS
,Ve
- CN8003, Y-Main check
- CN8005/CN8006 Buffer check
Open these connectors
One by One
- CN8002, X-Main check
Check
Vs_on
Open CN 8001
Until LED 8004 OFF,
Then Reset SMPS
NO
OFF?
Check Protection,
LED 8004(RED) is
SMPS
Replace
NO
Checking, repeat
If LED 8004 is ON
Under voltage
YES
->
O
1
O
1
G_16380_124a.eps
190606
Go to 5.2.3 No Display