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SECTION 6
DIAGRAMS
6-1.
IC Pin Description
• IC801 CSP84124-056Q (System control)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12, 13
14
15
16
17
18, 19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38 – 42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
I/O
O
I
O
O
O
O
O
O
O
O
I
I
O
O
O
O
O
O
O
O
O
I
O
O
O
O
O
I
I
O
—
O
I
—
I
I
I
I
I
I
O
O
O
O
O
I
O
I
I
I
Description
MEGA BASS ON/OFF output
CD sense input
CD X latch output
CD command data line output
CD command clock line output
CD tray motor control output (open)
CD tray motor control output (close)
CD X reset output
CD mute output
LINE OUT mute output
Headphone insertion detect input
JOG DIAL input
TAPE FUNCTION LED control output
LINE FUNCTION LED control output
CD FUNCTION LED control output
RADIO FUNCTION LED control output
ISS selection output during AM recording.
Tape bias oscillation ON/OFF output
Tape REC/PB selection output
Tape playback mute output
Tape deck A/B selection output
Music exist/non-exist detection input during tape AMS
Electronic volume’s chip enable output
Electronic volume serial data output
Electronic volume serial clock output
LINE IN mute output
Shift clock control output during TU
Reset input
4.19 MHz oscillation input
4.19 MHz oscillation output
GND
32.768 MHz oscillation output
32.768 MHz oscillation input
AD GND
AD reference voltage input
Key input
Tape deck low voltage detection input
CD tray status detection input (AD)
Model destination setting input
Set power check input
LCD command/data selection output
LCD clock line output
LCD chip enable output
LCD data line output
CD SUBQ clock output
CD SUBQ data input
Audio mute output
Tape deck (B), tape end detection input
Tape deck (A), tape end detection input
Remote control signal input
Pin Name
AU MB
SENSE
CA XLAT
CD DATA
CD CLK
CD OP MOT
CD CL MOT
CD XRST
CD MUTE
LN O MUTE
HP SW
JOG A, JOG B
TAPE H
LINE H
CD H
RA H
ISS-1, ISS-2
BIAS
REC
PB MUTE
B/PRI
AMS
AU CE
AU DATA
AU CLK
LN I MUTE
SHIFT. CLK
RST
EXTAL
XTAL
VSS
TX
TEX
AVSS
AVREF
KEY1 – KEY5
BATT – CHK
CD DOOR
CHILDREN MODEL
REG - CHK
LCD C/D
LCD CLK
LCD CE
LCD DATA
CD SQCK
CD SQSO
AU MUTE
B END
A END
RMC
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