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4-10
TROUBLESHOOTING
Troubleshooting for the AUDIO System
No sound generation from the speaker
Is the mute function canceled?
NO
YES
Is the audio input correctly selected?
Check various settings.
NO
YES
Is the signal present at M2801 of the SP PWB?
Check the speaker and speaker cable.
NO
YES
Are signals present at the LM and RM
connectors of the AUDIO PWB?
NO
YES
Disconnection, etc. in the LM and RM connector
cables
5
Is the signal present at the AB connector of the
AUDIO PWB?
NO
YES
Fault around the POWER circuit
Are there various power voltages available at
NO
the PA connector?
YES
Fault around the MAIN PWB and IC9501
Is the rectangular wave signal of 5Vp-p available at
NO
Pins 1 and 2 of the AE connector when the sound
volume and others are changed?
YES
Fault in the AUDIO 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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