Service Modes, Error Codes, and Fault Finding
EN 27
SDI PDP 2K6
5.
Figure 5-11 Power Supply Check for 63” HD v4 models 1/2
Figure 5-12 Power Supply Check for 63” HD v4 models 2/2
G_16380_040.eps
161006
Ac Input
230Vac or 120Vac
Check CN801
Connect [ 220Vac]
Reconnect it
NO
YES
ྙ
SMPS
SMPS Voltage check
D5.3V;5Vsw Check
Vs ; 184V Check
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
NO
[Note]
Do not Vs voltage occurrence
if there is no Vs _On signal
G
G_16380_041.eps
161006
SMPS
ྙ
On/OFF Relay
Insert Relay Switch at
1M03
-Turn Off Relay SW-
Discharge PFC Voltage
Use to10W1kR
at CN 804
NO
SMPS
Replace
SMPS
Check Protection
NO
ྚ
Open CN 801
Then Reset SMPS
(
Use to10W1kR
at CN 804)
Check
Vs on
NO
Check output voltage
Vs, Va, Vset, Vscan, Ve
NO
Replace
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
NO
Go to 4-1-2 No Display
Checking, repeat
ྚ
Replace SMPS
YES
YES
YES
YES
- Turn ON Relay SW-
No PFC Voltage
Use to Multi Meter at CN 804