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MAIN BOARD IC301 µPD780016YGF-013-3BA (MASTER CONTROL)
Pin No.
Pin Name
1
TA-MUTE
2
DBFB-H/L
3
427-LAT
4
K-CON-LAT
5
K-CON-ON
6
F-RELAY
7
R-RELAY
8
PL-RELAY
9
TEST
10
X2
11
X1
12
VDD
13
XT2
14
XT1
15
RESET
16
(INT/IN)
17
(INT/IN/OUT)
18
SCOR
19
SOFT-TEST
20
AC-CUT
21
RDS-INT
TE
22
RDS-DATA
L 13942296513
23
VDD
24
AVDD
25
ADJ
26
A-SHUT
27
B-SHUT
28
B-HALF
29
CLK-CHECK
30
SPEC-IN
31
ADJ 2
32
DEMO-MODE
33
AVSS
34
SQ-DATA-IN
35
—
36
SQ-CLK
37
SW-ON/OFF
38, 39
FUNC 1, 2
40
VSS
41
VOL-LAT
42
PL-LAT
43
COM-DIN
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I/O
O
Line mute signal output
O
DBFB H/L select signal output
O
Latch signal output for IC201 (M62427FP)
O
Not used
O
O
Main speaker relay control output (Not used)
O
Surround speaker relay control output (Not used)
O
Surround speaker relay control output (Not used)
I
Connected ground
O
X'tal (5MHz)
I
–
Power supply (+5V)
O
X'tal (32.768 kHz)
I
I
Reset signal input
I
Connected ground
I
O
Subcode data request signal output
O
Software test port
I
Reset signal input
I
Serial data transfer clock signal input
I
Serial data input (Not used)
–
Power supply (+5V)
I
Analog reference voltage input
I
CD adjust point port
I
A Deck reel pulse detector
I
B Deck reel pulse detector
I
Half detector signal input
I
Connected ground
I
Version select signal input
I
Connected ground
I
DEMO H/L select signal input
–
Ground
I
Subcode Q data clock input
–
Not used
I
Sub code Q data clock input (Not used)
O
Not used
I
Connected ground
–
Ground
O
Not used
O
I
Connected ground
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2 9
8
Function
Q Q
3
6 7
1 3
1 5
co
.
– 89 –
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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