![background image](http://html2.mh-extra.com/html/nec/plasmasync-px-42vm1g/plasmasync-px-42vm1g_service-manual_5178515075.webp)
4-12
TROUBLESHOOTING
Troubleshooting for the POWER circuit
Failure in POWER ON
NO
NO
Is the POWER LED lit?
Is the outlet correctly connected?
Connect the outlet correctly.
YES
YES
Is 100V AC available behind the
Fuses F1 and F2 have
F1 and F2 fuses?
blown out.
Replace the fuses. If they
Flash in greenTo 1
blow out again, the POWER
(Fan error detected)
unit is out of order.
Flash in red
To 2
(Thermal error detected)
Flash in green and red
To 3
(Panel cracks detected)
Lit in green
To 4
YES
NO
Are there outputs of M+14V and
Try to disconnect the PW,
M+7V at Pins
1
and
3
of the
PQ, and RS connectors from
PM connector?
one after another. If the out-
puts of M+14V and M+7V
are found available, the cir-
cuits beyond these connec-
tors are out of order. If no
outputs are found, the
POWER unit is out of order.
YES
NO
Is there an output of M+5V at Pin
Fault in S2601 (PWR) and
2
(MAIN) of IC9504?
the related circuits
YES
NO
Is there an output of M+5V at Pin
Fault in the +5V lines to
5
of the LD connector, Pin
4
of
the respective LED PWB,
the PW connector, and Pin
5
of
PWR PWB, and 232C PWB
the RS connector?
YES
Fault in IC9501 and its peripheral
circuits
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
▼
Содержание PlasmaSync PX-42VM1G
Страница 10: ...NEC Technologies PlasmaSync Plasma Monitor User s Manual...
Страница 118: ...METHOD OF DISASSEMBLY 7 1 1 Diagonal view of the main unit rear panel...
Страница 123: ...METHOD OF DISASSEMBLY 7 6 A01 C04 4 MAIN PWB ASSY 1 Remove the screw C04 and take out the MAIN PWB ASSY A01...
Страница 124: ...METHOD OF DISASSEMBLY 7 7 5 POWER UNIT 1 Remove the eight screws S02 and take out the POWER UNIT A10 A10 S02...
Страница 128: ...METHOD OF DISASSEMBLY 7 11 9 BRACKET MAIN 1 Remove the six screws S02 and take out the BRACKET MAIN M11 S02 M11...
Страница 134: ...MEMO...
Страница 135: ...DISASSEMBLY 8 1 S01 S01 M05 M06 M07 A06 S01 S01 S01 S01 S01 M01 M04 M06 S01 A04 P01 M03 S10 S03 S01 M02...
Страница 137: ...9 1 PACKAGING Packing details A Safety bracket SASSY B 1 Safety bag SASSY...
Страница 139: ...D CUSHION CARTON BOX 9 3 PACKAGING...
Страница 141: ...9 5 PACKAGING F CARTON BOX OUT...
Страница 147: ...CONNECTION DIAGRAMS 11 1...
Страница 148: ...BLOCK DIAGRAMS 12 1 MAIN PWB BLOCK...
Страница 149: ...BLOCK DIAGRAMS 12 2 VIDEO BLOCK...
Страница 150: ...BLOCK DIAGRAMS 12 3 AUDIO BLOCK...
Страница 151: ......
Страница 152: ......
Страница 153: ......
Страница 154: ......
Страница 155: ......
Страница 156: ......
Страница 157: ......
Страница 158: ......
Страница 159: ......
Страница 160: ......
Страница 161: ......
Страница 162: ......
Страница 163: ......
Страница 164: ......
Страница 165: ......
Страница 166: ......
Страница 167: ......
Страница 168: ......
Страница 169: ......
Страница 170: ......
Страница 171: ......
Страница 172: ......