Circuit Description
Index
NMV 1700V
1.
Audio circuit ---------------------------------------------------------------------------------------------------------------------------- 1
1.1 Audio input ------------------------------------------------------------------------------------------------------------------------- 1
1.2 Audio output ----------------------------------------------------------------------------------------------------------------------- 1
2.
Power supply ---------------------------------------------------------------------------------------------------------------------------- 1
3.
Video input circuit --------------------------------------------------------------------------------------------------------------------- 1
4.
Definition converter LSI peripheral circuit ------------------------------------------------------------------------------------- 1
5.
System reset, LED control circuit ------------------------------------------------------------------------------------------------- 1
6.
E
2
PROM for PNP ---------------------------------------------------------------------------------------------------------------------- 1
7.
E
2
PR OM ---------------------------------------------------------------------------------------------------------------------------------- 2
8.
CPU circuit ------------------------------------------------------------------------------------------------------------------------------ 2
8.1 Dection of POWER switch status -------------------------------------------------------------------------------------------- 2
8.2 Display mode identification ---------------------------------------------------------------------------------------------------- 2
8.3 User control ------------------------------------------------------------------------------------------------------------------------ 4
8.4 Control of identification converter LSI (IC 14)--------------------------------------------------------------------------- 5
8.5 I
2
C bus control --------------------------------------------------------------------------------------------------------------------- 5
8.6 Po wer ON seq uence -------------------------------------------------------------------------------------------------------------- 6
8.7 Po wer OFF se quence ------------------------------------------------------------------------------------------------------------ 7
8.8 List of CPU assignments -------------------------------------------------------------------------------------------------------- 8
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