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ADJUSTMENT INSTRUCTIONS
5. POWER PCB Assy Voltage
Adjustment
(Va, Vs Voltage Adjustment)
5-1. Test Equipment :
D.M.M 1EA
5-2. Connection Diagram for Measuring
Refer to Fig 1.
5-3. Adjustment(42”/50”)
(1) Va Adjustment
1) Connect + terminal of D.M.M to Va pin of P812(50”:
P805) and connect – terminal to GND pin of P812(50”:
P805).
P805).
2) Adjust VR901 voltage to match that of the label on the
Top/Right of the panel. (Deviation : ±0.5V)
(2) Vs Adjustment
1) Connect + terminal of D.M.M to Vs pin of P812(50”:
P805) and connect – terminal to GND pin of P812(50”:
P805).
P805).
2) Adjust VR951 voltage to match that of the label on the
Top/Right of the panel. (Deviation : ±0.5V)
5-4. Adjustment(Sanken: EAY32929001)
(1) Va Adjustment
1) Connect + terminal of D.M.M to Va pin of P12 and
connect – terminal to GND pin of P12.
2) Adjust VR951 voltage to match that of the label on the
Top/Right of the panel. (Deviation : ±0.5V)
(2) Vs Adjustment
1) Connect + terminal of D.M.M to Vs pin of P12 and
connect – terminal to GND pin of P12.
2) Adjust VR901 voltage to match that of the label on the
Top/Right of the panel. (Deviation : ±0.5V)
Each PCB Assy must be checked by Check JIG Set before
assembly. (Especially, be careful Power PCB Assy which can
cause Damage to the PDP Module.)
assembly. (Especially, be careful Power PCB Assy which can
cause Damage to the PDP Module.)
1
1
1
VsADJ
VR951
VaADJ
VR901
3.3VADJ
VR221
T8
01
01
T9
01
01
T1
12
12
T5
01
01
L6
01
01
5V
GND
Va
GND
GND
NC
Vs
Vs
P811
1
1
1
VsADJ
VR951
VsADJ
VR951
VaADJ
VR901
VaADJ
VR901
3.3VADJ
VR221
T8
01
01
T9
01
01
T1
12
12
T5
01
01
L6
01
01
5V
GND
Va
GND
GND
NC
Vs
Vs
P811
<Fig. 1-1> Connection Diagram of Power Adjustment for
Measuring (Power Board): 42” XGA/VGA
VsADJ
VR951
5V
GND
Va
GND
GND
NC
Vs
Vs
P811
1
1
1
VaADJ
VR901
3.3VADJ
VR221
T8
01
01
T9
01
01
L8
51
51
T5
01
01
T1
12
12
L6
01
01
VsADJ
VR951
5V
GND
Va
GND
GND
NC
Vs
Vs
P811
1
1
1
VaADJ
VR901
VaADJ
VR901
3.3VADJ
VR221
T8
01
01
T9
01
01
L8
51
51
T5
01
01
T1
12
12
L6
01
01
<Fig. 1-2> Connection Diagram of Power Adjustment for
Measuring (Power Board): 50”
<Fig. 1-3> 50” PSU(Sanken: EAY32929001)
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