Kenwood DV-203, Руководство по обслуживанию, Страница: 15 / 58

DV-203/2070/DVF-5010/9010/K7010
16
CIRCUIT DESCRIPTION
Pin No. Pin Name I/O DVF-9010 DV-2070 DVF-K7010 DV-5010 DV-203 DV-S701 DV-K751
1
/RES
2
XTAL
3
EXTAL
4
MD1
HIGH HIGH HIGH HIGH HIGH HIGH HIGH
5
MD0
LOW LOW LOW LOW LOW LOW LOW
6
/NM1
7
/STBY
8
VCC
9
DSPCLK
I
I
I
I
I/O
I/O
–
–
–
–
–
10
STATUS
I
11
CMD
O
O
O
O
12
VSS
13,14
-
15
/AS
16
/WR
17
/RD
18
REMOCON
I
19
DQSY
I
20
CD
O
2CHANNEL
O
21
SYNCHRO BUSY
I/O
BIT 0
O
22
SYNCHRO DATA
I/O
23
PANEL OPEN
O
IFS
O
CK
O
24
PANEL CLOSE
O
IFD
O
DATA
O
25
MUTE
O
IFL
O
Pin No. Pin Name I/O Description
49
BB-MUT I DAC soft mute
MIC-IN I Mic input control port H : in, L : out
50 BB-SF0 I DAC sampling rate(SF0)
51 BB-DEM I DAC data deemphasis
52 CE I Chip enable H : Power supply on L : off
53-55 A10-8 O Access address of SRAM
56 VSS – GND
57-64 A7-0 O Access address of SRAM
65-72 D0-7 I/O Access data of SRAM
73 VSS – GND
74 BANK A O Bank selector A
75 P-MUTE O Power mute H : off, L : on
76 EMPH O Deemphasis H : on, L : off
77 CE O FL driver IC serial control latch
78 DI O FL driver IC serial data
79 SRDT I Data for CD-TEXT
80
CL O FL driver IC serial clock
SCLK O Serial clock for CD-TEXT/VFD
2-3 Port table
DV-203/DVF-5010(K) COVER1,1( 98.12.11 14:22 y [ W 23
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