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VIDEO PWB Block
1. AUDIO block
The AUDIO signal input entered from M1008 to M1010 is controlled and selected by I2C bus control of IC5001
(MM1311BD: SW).
The selected AUDIO signal is output from the AB connector to the AUDIO AMP module via IC5002 (BA4558:
buffer).
2. PC block
The video signals (RGB signals) from M1006 and M1007 are selected at IC5703, IC5705, and IC5707, and then
output to the MAIN PWB via IC5708 (AD8023: buffer) and the PC connector.
3. HD block
The video signals (Y, Pb, Pr signals) from M1006 and M1007 are selected at IC5714 to IC5716. The selected
signals are changed over with the signals from M1005 at IC5004 to 5006.
The selected video signals (Y, Pb, Pr signals) are further changed over with the signals on the VIDEO input side
at IC5702, 5704, and 5706. The resultant outputs are sent to the MAIN PWB via IC5709 (AD8023; buffer) and
the YU connector.
M1006 input
M1007 input
IC5703~
IC5705 ; SW
IC5708 ;
BUFER
To the MAIN PWB
M1006 input
M1007 input
M1005 inpit
IC5714~
IC5716 ; SW
IC57089
BUFER
IC5004~
IC5006 ; SW
IC5702,
IC5704,
IC5706,
; SW
To the MAIN PWB
RGB signal after the decoding
of the VIDEO signal
Содержание PlasmaSync 50MP1
Страница 1: ...USE THIS SERVICE MANUAL WHEN SERVICING Model PLA 50V1 ...
Страница 10: ...PlasmaSync Plasma Monitor User s Manual NEC Technologies ...
Страница 64: ...TROUBLESHOOTING 4 1 ...
Страница 80: ...METHOD OF ADJUSTMENTS 5 1 ...
Страница 98: ...CIRCUIT DESCRIPTION 6 1 ...
Страница 113: ...METHOD OF DISASSEMBLY 7 1 ...
Страница 134: ...PACKAGING 8 1 ...
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Страница 147: ...PART LIST 9 1 ...
Страница 158: ...CONNECTION DIAGRAMS 10 1 ...
Страница 160: ...BLOCK DIAGRAMS 11 1 ...
Страница 163: ...SCHEMATIC DIAGRAMS 12 1 ...
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