Specifications

Service Modes, Error Codes, and Fault Finding
EN 24 SDI PDP 2K65.
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
Checkin
g,
re
p
eat
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
Re
p
lace
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
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