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38
HCD-RG66
5-17.
IC PIN FUNCTION DESCRIPTION
• IC801
LC876662B-5Z81 Master Control (PANEL Board)
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 to 42
43 to 45
72
73
to
75
76
77
78
79
I/O
O
O
O
I
O
I
—
I
I
I
I
I
O
—
I
O
—
I
I
O
I
I
I
I
I
I
I
I
I
O
O
—
O
I
I
I
I
Pin Name
PWR LED
P.S.RELAY
SYS MUTE
CD CLOSE
CD RWC/F.CLOCK
CD WRQ/F.DATA
FLASH R/W
CD DRF
AMS IN
BU1924 DATA
RESET
XT1
XT2
VSS
CF1
CF2
VDD1
TAPE A STAT
TAPE B STAT
VACS
SPEANA IN H
SPEANA IN MH
SPEANA IN M
SPEANA IN L
KEY INPUT 0
KEY INPUT 1
KEY INPUT 2
PWR DOWN
BU1924 CLK
G13 to G01
P01 to P03
VDD
P28 OP. OUT 02(SW03)
to
P30 OP. OUT 00(SW01)
OP. SW IN
(MODE SW IN)
PROTECTOR SENSOR
HEADPHONE SENSOR
CD SENS
Description
PWR LED control signal output
Standby relay control signal output
System muting signal output
CD tray close switch signal input
Read/write control signal output
Subcode Q standby signal input
Fixed at “H”
RF level detection signal input
AMS signal input
Data input from the RDS decoder IC
Reset input
Connection for a crystal resonator
Connection for a crystal resonator
Ground
Connection for a ceramic resonator
Connection for a ceramic resonator
Power sypply
TAPE A switches signal input
TAPE B switches signal input
VACS control signal output
Spectrum analyzer signal input
Spectrum analyzer signal input
Spectrum analyzer signal input
Spectrum analyzer signal input
Function key input
Function key input
Function key input
Power down signal input
Clock input from the RDS decoder IC
FL tube grid signal ouput
FL tube segment signal ouput
FL tube segment signal ouput
Power supply (negative)
FL tube segment signal ouput
FL tube segment signal ouput or switch signal output
FL tube segment signal ouput or switch signal output
Power supply
FL tube segment signal ouput or switch signal output
Switch signal input
Power amplifier circuit protection signal input
Headphone detection signal input
Table address sensor signal input
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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
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TEL 13942296513 QQ 376315150 892498299