4-3
TROUBLESHOOTING
Errors in the sync system
NO
Is a clock signal present at Pin 49 of the
Fault in the AD connector block or peripheral circuits of X9001
AD connector?
YES
NO
Are signals of 3Vp-p present at Pins 51
Fault in the AD connector block or peripheral circuits of IC9004
(HSYNC) and 53 (VSYNC) of the AD
connector?
YES
NO
Are signals of 5Vp-p present at Pins
Fault in the AD connector block or peripheral circuits of IC9501
77, 78, and 79 of the AD connector?
YES
NO
Are signals of 3Vp-p present at Pins
Fault in the IC8501 block or peripheral circuits of IC9004
115 (HSYNC) and 116 (VSYNC) of
IC8501?
YES
Are signals of 3Vp-p present at Pins 39
and 213, 42 and 212 (VSYNC), and 215
(CLOCK) of the AD connector?
NO
YES
YES
Is normal display available after the replacement of the
AD cable defective
of the AD cable?
NO
YES
Is normal display available after the replacement of the
Fault in the MAIN PWB
MAIN PWB?
NO
YES
Is normal display available after the replacement of the
Fault in the MAIN PWB
VIDEO PWB?
NO
Fault in plasma display module
YES
Are horizontal and vertical sync signals
Are horizontal and vertical sync signals of 5Vp-p present at Pins 7
of 5Vp-p present at Pins 9 and 10 of the
and 8 of the MN connector?
MN connector?
NO
YES
NO
YES
Is normal operation accomplished after
MN cable defective
Is discrimination of the
Fault in peripheral
the replacement of the MN cable?
PC mode finished?
circuits of IC9501
NO
NO
YES
Fault in peripheral circuits of IC6502 or IC7503
YES
Is normal operation accomplished after
HD cable defective
the replacement of the HD cable?
NO
YES
Is normal operation accomplished after
VIDEO PWB defective
the replacement of the VIDEO PWB?
NO
Fault in the MAIN PWB
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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...
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