— 81 —
MAIN BOARD IC501 uPD780016AYGF-011-3BA (MAIN 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
39
40
41
42
43
44
45
46
47
48
49
50
Pin Name
LINE-MUTE
DBFB-H/L
442-LT
—
POWER
F-RELAY
R-RELAY
PL-RELAY
VSS
X2
X1
VDD
XT2
XT1
RESET
AC-CUT
CAPM-CNT1P
SCOR
SOFT-TEST
CAPM-CNT2P
RDS-INT
RDS-DATA
VDD
AVREF
ADJ
A-SHUT
B-SHUT
B-HALF
—
SPEC-IN
AMS-IN
—
AVSS
SQ-DATA-IN
—
SQ-CLK
SW-ON/OFF
SW-MODE
—
VSS
VOL-LAT
PL-LAT
COM-DIN
COM-DOUT
COM-CLK
CD-POWER
CD-DATA
CD CLK
PL-CLK
PL-DATA
I/O
O
O
O
—
O
O
O
O
—
O
I
—
O
I
I
I
I
O
O
I
I
I
—
I
I
I
I
I
—
I
I
—
—
I
—
I
O
O
—
—
O
O
I
O
O
O
O
O
O
O
Function
Line mute signal output
DBFB H/L select signal output
Latch signal output for IC101(M62442FP)
Not used
Power control signal output
Main speaker relay control signal output
Surround speaker relay control signal output(Not used)
Surround speaker relay control signal output
Ground
X’tal(5MHz)
X’tal(5MHz)
Power 5V)
X’tal(32.768kHz)
X’tal(32.768kHz)
Reset signal input
AC check input
Capstan motor control 1(+) signal output
Subcode data request signal output(Not used)
Software test port
Capstan motor control 2(+) signal output(Not used)
Sirial data transfer clock input
Serial data input
Power 5V)
Analog reference voltage input
CD adjust point port
Deck-A reel pulse detector
Deck-B reel pulse detector
Half detector signal input
Not used
Versin select signal input
AMS signal input
Not used
Analog ground
Sub code Q data input(Not used)
Not used
Sub code Q data clock input(Not used)
Super woofer ON/OFF control output(Not used)
Super woofer mode control output(Not used)
Not used
Ground
Latch signal 2 output for IC201(LV1041M)
Latch signal 1 output for IC201(LV1041M)
Common serial data input(Not used)
Common serial data output(Not used)
Common serial clock output(Not used)
CD power ON/OFF control output
CD data output(Not used)
CD clock output(Not used)
Clock signal output for IC201(LV1041M)
Data signal output for IC201(LV1041M)