Specifications

Service Modes, Error Codes, and Fault Finding
EN 26 SDI PDP 2K65.
Figure 5-9 Power Supply Check for 50” HD w1 models 1/2
Figure 5-10 Power Supply Check for 50” HD w1 models 2/2
AC Input
220Vac or 110Vac
YES
Check CN1308
Connect [ 220Vac]
Reconnect it
NO
D5V: 5V Check
Vs: 202V Check
Va: 65V Check
Vset: 190V Check
Vscan: -190V Check
Ve:115V Check
Vcc: 15V Check
D3V3: 3.3V Check
5Vstandby:59V Check
Fuse
F8001/8002/8005/8007
Replace SMPS
SMPS Voltage check
NO
LED 8001,8002
Green
Check
SMPS
O
1
G_16380_125.eps
190606
SMPS
On/OFF Relay
(RLY 8001, 8002
Acts?
LED (Green)
8001
,
8002 off
N
O
SMPS
SMPS
Check Protection,
YES
YES
Open CN 8001
Until LED 8004 OFF,
Then Reset SMPS
Check
Vs_
on
N
O
N
O
LED 8004(RED) is
OFF?
Replace
Under voltage
Checkin
g,
re
p
eat
If LED8004 is ON
YES
Re
p
lace
N
O
Vs, Va, Vset, Vscan, Ve
Check output voltage
? Open these connector
One by One
- CN8002, X-Main check
- CN8003, Y-Main check
- CN8005/CN8006 Buffer check
Turn off Relay SW
Check output voltage
Vs, Va, Vset, Vscan
,V e
N
O
Re
p
lace SMPS
YES
O
1
O
1
G_16380_125a.eps
190606
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