Kenwood DPX-3070 Service Manual page 7

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MICROCOMPUTER'S TERMINAL DESCRIPTION
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CD MECHANISM CONTROL IC : 789166YGB-A513 (X32 : IC1)
Pin No. Name
1~6 NC
7 ZMUTE L
8 ZMUTE R
9 AVSS
10 /MUTE L
11 /MUTE R
12 /MSTOP
13 INTQ
14 /FOGUP
15 PON
16 /SCK
17 VDD1
18 SO
19 SI
TE
20 /CLK
L 13942296513
21 DATA
22 VPP
23 XT2
24 XT1
25 /MRESET
26 X2
27 X1
28 VSS0
29 VDD0
30 LOE&LIM SW
31 DRV MUTE
32,33 NC
34 /SERCH
35 /STB
36 A0
37 VSS1
38 /DSP RESET
39~41 NC
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42 /PON
43 AVDD
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44 AVREF
I/O Description
I NC
I 0-bit MUTE detect (Lch)
I 0-bit MUTE detect (Rch)
- DGND
O Lch Audio mute control
O Rch Audio mute control
I Interruption for stand-by
I Interruption for DSP IC
I Interruption for focus gain up
O Power ON/OFF control
O Serial data clock output for DSP
- BU5V
O Serial data output for DSP
I Serial data input for DSP
I/O I2C clock for system control
I/O I2C data for system control
- Flash saving terminal
- NC
I NC
I Reset detect
- System clock
I System clock
- DGND
- BU5V
I Loading end & limit SW detect
O Driver muting
O NC
O Condition of serch state
O Data strobe signal output
O Command & parameter signal output
- DGND
O DSP reset control
- NC
O Power ON/OFF control
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y
- BU5V
i
- BU5V
2 9
8
GND
Less than 54h : Normal condition,
More than 54h : 0-bit mute detect
Less than 54h : Normal condition,
More than 54h : 0-bit mute detect
L : MUTE ON, H : MUTE OFF
L : MUTE ON, H : MUTE OFF
L : Stop, H : Release for stop mode
H : Interruption
L : Foucus gain up, H : Normal condition
H : ON, L : OFF
Q Q
3 6 7 1 3 1 5
Open
GND
L : Reset, H : Normal condition
4.19MHz
4.19MHz
L : Inside detect, H : Outside
L : MUTE ON, H : MUTE OFF
Open
L : Search, H : Normal condition
L : Reset, H : Normal condition
Open
L : ON, H : OFF
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DPX-3070/3070B
9 4 2 8
Processing Operation
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