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• PANEL BOARD IC901 LC8767962B-51F6 (SYSTEM CONTROLLER)
Pin No.
Pin Name
1
O-SYS-MUTE
2
I-BU1924 DI
3
I-BU1924 CLK
4
O-CL78646 RESET
5
O-CL78646 CE
6
O-CL78684 CE
7
O-M61529 CLK
8
O-BU2099 LCK
9
O-LC72121 CE
10
I-CL78684 SYNC
11
RESET
12
XT1
13
XT2
14
VSS1
15
CF1
16
CF2
17
VDD1
18
I-SPEANA L
19
I-SPEANA M
20
I-SPEANA H
21
I-MIC/I-TU SIG
I-BU UP DOWN/
22
CD OPEN CLOSE
23
NC
24 to 26
I-KEY3 to I-KEY1
27
I-POWER DOWN
28
I-RMC
29
I-HOLD
30
G1
31 to 40
G2 to G11
41 to 45
S1 to S5
46
VDD3
47
S6/I-A-MODE
48
S7/I-A-PHOTO
49
S8/I-A-HALF
50
I-REC (FWD)
51
FIX0
52
I-B-PHOTO
53
I-B-HALF
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I/O
O
Line muting on/off control signal output terminal "H": muting on
I
RDS serial data input terminal Not used
I
RDS serial data transfer clock signal input terminal Not used
O
Reset signal output to the CD DSP "L": reset
O
Chip enable signal output to the CD DSP
O
Chip enable signal output to the MP3 decoder
O
Serial data transfer clock signal output to the electrical volume
Serial data latch pulse clock signal output to the LED driver, tape mechanism controller, multi
O
controller and bass boost controller
O
Chip enable signal output to the tuner unit
I
Chip enable signal input from the MP3 decoder
System reset signal input from the reset signal generator "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
I
Sub system clock input terminal (32.768 kHz)
O
Sub system clock output terminal (32.768 kHz)
—
Ground terminal
I
Main system clock input terminal (8.64 MHz)
O
Main system clock output terminal (8.64 MHz)
—
Power supply terminal (+3.3V)
I
Spectrum analyzer drive (low frequency) signal input from the spectrum analyzer band-pass filter
Spectrum analyzer drive (middle frequency) signal input from the spectrum analyzer band-pass
I
filter
I
Spectrum analyzer drive (high frequency) signal input from the spectrum analyzer band-pass filter
I
Mic audio signal input terminal
I
Optical pick-up up/down detection signal and CD tray open/close detection signal input terminal
—
Not used
I
Front panel key input terminal (A/D input)
I
AC detection signal input terminal "L": power down
I
Remote control signal input terminal
I
System malfunction signal (hold signal) input from the power amplifier circuit
O
Grid drive signal output to the fluorescent indicator tube Not used
O
Grid drive signal output to the fluorescent indicator tube
O
Segment drive signal output to the fluorescent indicator tube
—
Power supply terminal (+3.3V)
Segment drive signal output to the fluorescent indicator tube and deck-A mode detection signal
I/O
input from the tape mechanism deck block "L" active
Segment drive signal output to the fluorescent indicator tube and deck-A tape reel rotating
I/O
detection signal input from the tape mechanism deck block
Segment drive signal output to the fluorescent indicator tube and deck-A cassette detection signal
I/O
input from the tape mechanism deck block "L": cassette in
Recording-proof (forward direction) detection signal input from the tape mechanism deck block
I
"L": recording possible
—
Not used
I
Deck-B tape reel rotating detection signal input from the tape mechanism deck block
I
Deck-B cassette detection signal input from the tape mechanism deck block "L": cassette in
Description
CX-JT9
59
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