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126 CD SOM
CD serial data
127 CD SIM
CD serial data
128 MD1
(Connecting to VDD)
Note 1 : Voltage measuerments are with respect to ground,
with a voltmeter (internal resistance : 10M ohms).
IC901 : C2BBGD000016
Pin
Port
No.
1
MSM
MS gain control
2,3
-
No connection
4
VSSI
Ground
5
RX0
Communication data
6
RX1
(+5V pull-up)
7
VDDI
+5V power supply
8
RDI
CAN-BUS data
9
SCLK
Not used
10
TDO
CAN-BUS data
11-13 -
No connection
14
IF+C
IF count
15
ANT+
Motor antenna control
16
-
No connection
17
VRL
(Connecting to ground)
18
VRH
(Connecting to VDD)
19
AMP+
Ext. Amp power
20
VDD
+5V power supply
21
+BMONI
+B monitor
22
SP-L
SP Lch level detection
23
SP-R
SP Rch level detection
24
P-ANT
Antenna short detection
25
-
No connection
26
CANE
(Connecting to VDD)
27
VPP
(Connecting to VDD)
28
OSC1
Crystal oscillator
29
OSC2
Crystal oscillator
30
/RESET
Reset input
31
IRQ
(CAN-BUS data)
32,33 -
No connection
34-36 -
(Connecting to ground)
37
MODE C
Audio mode selection
38
MODE B
Audio mode selection
39
MODE A
Audio mode selection
40
SP CONT
Speaker control
41
WAKE OUT
CAN BUS request
42
PA2 (NERR)
Error/Time out signal
43
PA1 (STB)
Data strobe
44
PA0 (EN)
Chip enable
45
TX0
Communication data
46
TX1
Not used
47
-
No connection
48
T-RDI
CAN-BUS data
49
T-TDO
Not used
50
T-SCLK
Not used
51
AS-C
Speaker out mute
52
AS-B
Speaker out mute
53
AS-A
Speaker out mute
54-57 -
No connection
58
VSS
Ground
59
M2F
Tape main motor control
60
MS
Tape MS mode control
61
F/R
Tape F/R control
62
EQ
Metal tape select
63
NRSW
Dolby mode selection
64
-
No connection
I
0
O
1.4
-
5.2
Description
I/O
(V)
O
0
-
-
-
0
I
5.2
-
5.2
-
5.2
I
4.9
-
-
O
0
-
-
I
4.8
I
0
-
-
-
0
-
5.2
I
4.9
-
5.2
I
3.0
I
3.0
I
3.1
I
1.8
-
-
-
5.2
-
5.2
-
1.8
-
2.7
I
0
I
4.9
-
-
-
0
O
4.9
O
0
O
0
O
0
O
5.2
I
0
O
0
O
0
O
5.2
-
0
-
-
I
4.8
-
-
-
-
O
5.1
O
5.1
O
5.1
-
-
-
0
O
0
O
4.9
O
4.9
O
4.9
O
0.3
-
-
9.2.
DSP Block
IC801 : YEAMAK7712AF
Pin
Port
No.
1
TSTI
Not used
2-4
-
(Connecting to ground)
5
/PD
(Connecting to VDD)
6
/RST
Reset input
7-9
-
Not used
10,11 DVB
+5V power supply
12-19 -
Not used
20
SMODE
(Connecting to VDD)
21-23 -
Not used
24
DVDD
+5V power supply
25
DVSS
Ground
26
XTI
Crystal oscillator
27
XTO
Crystal oscillator
28
TSTI2
(Connecting to VDD)
29
/CS
DSP chip select
30
/WRQ
DSP data write request
31
DVSS
Ground
32
DVDD
+5V power supply
33
SCLK
DSP clock
34
SI
DSP serial data
35
WRDY
DSP write ready
36
DRDY
DSP write ready
37
SO
DSP serial data
38-48 -
Not used
49
DVSS
Ground
50
DVDD
+5V power supply
51-68 -
Not used
69
DVSS
Ground
70
DVDD
+5V power supply
71,72
Ground
73
DVDD
+5V power supply
74,75 DVB
+5V power supply
76-78 -
Not used
79
AVB
+5V power supply
80,81 AOUT R2,L2
Audio-Rear output
82
NC
No connection
83,84 AOUT R1,L1
Audio-Front output
85,86
Ground
87,88
+5V power supply
89
NC
No connection
90
A IN R-
Audio Rch (-) input
91
A IN R+
Audio Rch (+) input
92
A IN L-
Audio Lch (-) input
93
A IN L+
Audio Lch (+) input
94
VCON
Voltage control
95,96
Ground
97
AVDD
+5V power supply
98,99
+5V power supply
100 NC
No connecion
9.3.
Display Block
IC611 : C2BBFE000091
Pin
Port
No.
1-8
-
Not used
9
GND
Ground
10,11 -
Not used
12
TUNE.UP
Tune up switch
13
TUNE.DOWN
Tune down switch
14
VOL.UP
Volume up switch
15
VOL.DWN
Volume down switch
9
AUDI / CQ-JA1920L / CQ-JA1924L
Description
I/O
(V)
-
-
-
0
-
5.0
I
0
-
-
-
5.0
-
-
-
5.0
-
-
-
5.0
-
0
-
2.6
-
2.4
-
5.0
I
5.2
I
5.2
-
0
-
5.0
I
5.2
I
0
O
0
O
0
O
0
-
-
-
0
-
5.0
-
-
-
0
-
5.0
-
0
-
5.0
-
5.0
-
-
-
5.0
O
2.5
-
-
O
2.5
-
0
-
5.0
-
-
I
2.3
I
2.5
I
2.3
I
2.5
-
2.5
-
0
-
5.0
-
5.0
-
-
Description
I/O
(V)
-
-
-
0
-
-
I
0
I
0
I
5.0
I
0
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