57
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
30-45
46
47-49
50
51
52
53-55
56
57
58
59
IC, LC866560W-5M02FD
Pin No.
Pin Name
I/O
Description
IC DESCRIPTION
O-MACMD
____________
I-SCMD
O-ARDY
O-SREQ
I-MREQ
O-SURROUND
O-SRST
O-VOLCTL
P36
O-COIN
_____________
O-CKSFT
________
RST
I-DRF
I-SQOUT
VSS1
CF1
CF2
VDD1
____________
I-HOLD
I-KEY1, I-KEY2
AN3
AN4
I-CDDSW
I-SPE
P87
I-WRQ
P72
I-RMC
T0-T15
VDD3
MODE1-MODE3
T.U.R
VP
I-SUP.R
PC5-PC7
I-AMST
I-AM10K
I-LW
I-SW
O
I
O
O
I
O
O
O
O
O
O
I
I
I
—
I
O
—
I
I
I
I
I
I
I
I
I
I
—
—
I
I
—
I
I
I
I
I
I
Command output to slave microprocessor.
Command input from slave microprocessor.
Serial data send/receive preparation completion output for MD UNIT control. (TAPE
REC MUTE output).
Serial data transfer request for MD UNIT control. (FWD/RWD switching output
during TAPE PLAY/REC).
Serial data transfer request for MD UNIT control. (REC/PB switching output).
QSURROUND ON/OFF output.
Reset signal output to slave microprocessor.
Connected to VOL/P.EQ IC M62439SP pin-
!
CONT.
NC.
Connected to CD DSP LC78622E pin-56 COIN and CD ASP LA9240M pin-52 DAT.
Clock shift output. “L” at clock shift.
Microprocessor reset.
Connected to CD ASP LA9240M pin-54 DRF.
Connected to CD DSP LC78622E pin-55 SQOUT.
GND.
5.76 MHz. Connected to oscillator.
Microprocessor power supply. (µ-com 5V).
Hold state detection. (A/D).
KEY AD data input.
DECA MECA state detection input. (AD).
TAPE MUSIC SENSOR input. (A/D).
CD DOOR OPEN/CLOSE state detection input. (AD).
Spare level detection. (A/D).
NC.
Connected to CD DSP LC78622E pin-53 WRQ.
NC.
Remote control signal input.
NC.
Microprocessor power supply. (µ-com 5V).
DECK MECA state detection input.
Rotation detection of TAKE UP REEL of DECK MECA.
Connected to negative polarity power supply -VFL for FL.
Rotation detection of TAKE UP REEL of DECK MECA.
NC.
INITIAL DIODE MATRIX input.
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