– 99 –
1
TA-MUTE
O
Line mute signal output
2
DBFB-H/L
O
DBFB H/L select signal output
3
427-LT
O
Latch signal output for IC201 (62427)
4
KCON-LT
O
Not used
5
KCON-ON/OFF
O
6
F-RELAY
O
Front speaker relay control output
7
R-RELAY
O
Not used
8
PL-RELAY
O
9
TEST
I
Connected ground
10
X2
O
X’tal (5MHz)
11
X1
I
12
VDD
–
Power supply (+5V)
13
XT2
O
X’tal (32.768 KHz)
14
XT1
I
15
RESET
I
Reset signal input
16
INT/IN
I
Connected ground
17
INT/IN/OUT
I
18
SCOR
O
Subcode data request signal output
19
SOFT-TEST
O
Software test port
20
AC-CUT
I
Back up signal input
21
RDS-INT
I
Not used
22
RDS-DATA
I
23
VDD
–
Power supply (+5V)
24
AVDD
I
Analog reference voltage input
25
ADJ
I
CD adjust point port
26
A-SHUT
I
A Deck reel pulse detector
27
B-SHUT
I
B Deck reel pulse detector
28
B-HALF
I
Half detector signal input
29
CLK-CHECK
I
Connected ground
Version select signal input
Connected ground
Connected ground
Ground
Subcode Q data input
Not used
Sub code Q data clock input
Not used
Connected ground
40
Vss
–
Ground
41
VOL-LAT
O
Not used
42
PL-LAT
O
43
COM-DIN
I
Connected ground
44
COM-DOUT
O
Common serial data output
Pin No.
Pin Name
I/O
Function
6-20.
IC PIN FUNCTION DESCRIPTION
MAIN BOARD IC301 µPD780018Y (MAIN CONTROL)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
