1
PM
PN
PD
PH
PQ
PV
PA
PI
LM RM AB AE PA
F2 AD
F1 T1
SY
PL
BU
YU
PC
BU
DS
SY
YU
PC
PQ PV AB
T1 T 2
T4
PM
PN
LD
PW AE SW RS
PW
SW
LD
RS
PL
RM LM
SERIAL NO.
∗∗∗∗∗∗∗∗∗
Vd=
∗∗
V
Vs=
∗∗∗
V
CODE -01
METHOD OF ADJUSTMENTS
Adjustments should be carried out in accordance with the procedures described below.
1. When the PDP module is replaced, adjust the sections according to the adjusting items 1 to 4 specified below.
2. When the power unit is replaced, adjust the sections according to the adjusting items 1 to 3 specified below.
3. When the MAIN PWB or the VIDEO PWB is replaced, adjust the sections according to the adjusting item 4
specified below.
4. No adjustments are required in case of any replacement other than 1 and 2 above.
(CAUTION)
When you exchange PDP module, please be sure to clear integrated time to “0” by the following
“How to clear the integrated time”.
*
How to clear the integrated time
Assume the folloing factory mode by the use of the remote control. Press “PROCEED” key six times to get
the screen of “USAGE TIME”. In this state, the integrated time up to the present time is displayed.
The integrated time is cleared to “0” when the remote control keys are pressed in the order of “MUTE”
→
POSITION “UP”
→
POSITION “DOWN”
→
“OFF TIMER”.
*
How to enter or withdraw from the factory setting mode:
Press the keys in the sequential order of [OFF TIMER]
→
[EXIT]
→
[MUTE]
→
[OFF TIMER].
When a conventional remote control is used:
Press the keys in the sequential order of [OFF TIMER]
→
[OK]
→
[MUTE]
→
[OFF TIMER].
At that time, use the [MENU] key in place of the [PROCEED] key.
1. Adjustment of +170V
(1) Using any video signal of VIDEO input, DVD/HD input, or RGB input, and display a color bar signal. Turn on
the power switch of the main unit.
(2) Turn the volume control (RV4) in the [+170V ADJ] section of the power unit, and adjust the voltage value
between TP3 (+170V output) and TP4 (GND) of the power unit so that this voltage settles within the range
of “specified voltage of the PDP module (Value Vs on the label shown below)
±
1V.”
Summary of Contents for PlasmaSync 50MP1
Page 1: ...USE THIS SERVICE MANUAL WHEN SERVICING Model PLA 50V1 ...
Page 10: ...PlasmaSync Plasma Monitor User s Manual NEC Technologies ...
Page 64: ...TROUBLESHOOTING 4 1 ...
Page 80: ...METHOD OF ADJUSTMENTS 5 1 ...
Page 98: ...CIRCUIT DESCRIPTION 6 1 ...
Page 113: ...METHOD OF DISASSEMBLY 7 1 ...
Page 134: ...PACKAGING 8 1 ...
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Page 147: ...PART LIST 9 1 ...
Page 158: ...CONNECTION DIAGRAMS 10 1 ...
Page 160: ...BLOCK DIAGRAMS 11 1 ...
Page 163: ...SCHEMATIC DIAGRAMS 12 1 ...
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