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4-2
TROUBLESHOOTING
Fault in the digital signal processor system
Fault in the digital signal processor system
Is the input any of the VIDEO, DVD, RGB VIDEO inputs?
YES
NO
Are there normal 3Vp-p pulse
YES
YES
Are pulses of 3Vp-p (video signal) normally
outputs (video signal) available at
generated at Pins 70 to 98 (except for VDD
Pins 122 to 159 (except for the
and VSS) of IC7506?
VDD, GND, and JL connector
terminals) of IC8501?
NO
NO
Fault in peripheral circuits of IC9004
Are pulses of 3Vp-p (video signal)
Are pulses of 3Vp-p (video signal) normally
normally generated at Pins 80 to
generated at Pins 1 to 36 (except for VCC, GND,
98 (except for VDD and VSS) of
CE, and MSEL) of IC7503?
IC7506?
NO
YES
YES
NO
Fault in peripheral circuits of IC8501
Fault in peripheral circuits of IC7506
Are pulses of 3Vp-p (video signal)
Are pulses of 3Vp-p (video signal) normally
normally generated at Pins 1 to 24
generated at Pins 122 to 159 (except for the VDD,
(except for VCC, GND, and CE)
GND, and JL connector terminals) of IC8501?
of IC7503?
NO
YES
YES
NO
Fault in peripheral circuits of IC7506
Fault in peripheral circuits of IC7503
Are pulses of 3Vp-p (video signal) normally
generated at Pins 91 to 150 (except for VDD
and GND) of IC8701?
YES
NO
Fault in peripheral circuits of IC7503
Are pulses of 3Vp-p (video signal)
Are pulses of 3Vp-p (video signal) normally
normally generated at Pins 45 to
generated at Pins 45 to 122 (except for VDD,
122 (except for VDD, GND, VO,
GND, VO, DE, and HO) of IC6502?
DE, and HO) of IC6502?
NO
YES
YES
Fault in peripheral circuits of IC7503
Fault in peripheral circuits of IC8701
Fault in peripheral circuits of IC8701
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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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