Kenwood CKDC-392V/VA Service Manual page 8

CKDC-392V/VA/VD/VDA
CKDC-492V/VD
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MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
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
8
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 (for DSP) serial data clock output
- BU5V
O (for DSP) serial data output
I (for DSP) serial data input
I/O (for system control) I2C clock
I/O (for system control) I2C data
- (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
O NC
O Power ON/OFF control
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y
- BU5V
i
- BU5V
2 9
8
GND
Less than 54h : NORMAL,
More than 54h : ZMUTE detect
Less than 54h : NORMAL,
More than 54h : ZMUTE detect
L : MUTE ON, H : MUTE OFF
L : MUTE ON, H : MUTE OFF
L : STOP, H : Release for STOP mode
H : Interruption
L : Fo GAIN UP, H : NORMAL
H : ON, L : OFF
Q Q
3 6 7 1 3 1 5
OPEN
GND
L : RESET, H : NORMAL
4.19MHz
4.19MHz
L : Inside detect, H : Outside
L : MUTE ON, H : MUTE OFF
OPEN
L : Search, H : NORMAL
L : RESET, H : NORMAL
OPEN
L : ON, H : OFF
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9 4 2 8
Processing Operation
0 5 8 2 9 9 4 2 8
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9 9
9 9