Service Modes, Error Codes, and Fault Finding
EN 24
SDI PDP 2K6
5.
5.2.2
Faulty Power Supply
Figure 5-5 Power Supply Check for 42” SD v5 models 1/2
Figure 5-6 Power Supply Check for 42” SD v5 models 2/2
AC Input
Check CN8001/2pin
Connect [220V ac]
Reconnect it
N
NO
YES
D5V: 5V
Check
Vs: 207V
Check
Va: 65V
Check
Vset: 201V Check
Vscan: -190V Check
Ve: 110V Check
Vcc: 15V Check
D3V3: 3.3V Check
5Vstandby: 5.2V Check
Fuse
8001/8002/8005/8007
Replace SMPS
SMPS Voltage check
SMPS
LED 8001,8002
Green
Check
NO
O
1
G_16380_123.eps
190606
SMPS
On/OFF Relay
(RLY 8001, 8002
Acts?
LED (Green)
N
NO
8001, 8002 off
SMPS
SMPS
Check Protection,
YES
NO
Open CN 8001
Until LED 8004 OFF,
Then Reset SMPS
Check
Vs_on
LED 8004(RED) is
OFF?
Replace
NO
Under voltage
Checking, repeat
If LED8004 is ON
YES
YES
Vs, Va, Vset, Vscan, Ve
Check output voltage
NO
Open these connector
One by One
- CN8002, X-Main check
- CN8003, Y-Main check
- CN8005/CN8006 Buffer check
Turn off Relay SW
Replace
Replace SMPS
Vs, Va, Vset, Vscan, Ve
Check output voltage
NO
YES
Go to 5.2.3 No Display
O
1
O
1
G_16380_123a.eps
190606
=>