12
11
Pin No.
Pin Name
I/O
Description
77
78
79
80
NC
I/O-BUSY
O-CLK
________________
O-AMUT
—
I/O
O
O
Not used.
Communication busy signal between system control µ-com and MPEG µ-com.
Serial clock signal to MPEG µ-com.
Audio mute control output.
IC BLOCK DIAGRAM
IC, TDA1308T
1
2
3
4
5
6
7
8, 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25-31
32-40
41
42
43-60
61
62
63, 64
65
66
67-69
70
71
72
73
74
75
76
IC, LC866448W-5J10
Pin No.
Pin Name
I/O
Description
IC DESCRIPTION
DISH.R
DISH.F
O-LED BS
O-CDON
NC
O-LED FS
_____________
RESET
VDD
VSS1
XTAL
EXTAL
VDD1
NC
I-KEY1
I-KEY2
I-CDSW
I-DISH.S
NC
I-KEY3
NC
I-PAL/PAL60
NC
I-RMOT
G1-G7
P1-P9
VDD2
VP
P10-P27
NC
NC
O-LED5, O-LED4
O-OPEN
O-CLOSE
O-LED3-O-LED1
O-LED PLY
O-LED PAU
O-LED CD
VSS2
K-DATA
K-STB
K-CLK
O
O
O
O
—
O
I
—
—
—
—
—
—
I
I
I
I
—
I
—
I
—
I
O
O
—
—
O
—
—
O
O
O
O
O
O
O
—
O
O
O
CD turntable reverse control.
CD turntable forward control.
PREVIOUS key signal output.
CD system ON/OFF switch.
Not used.
NEXT key signal output.
Reset input.
5V power supply.
GND.
5.76MHz oscillator circuit.
5V power supply.
Not used.
Key matrix input.
CD switch signal input. (Pick up mecha of up & down and dish of open & close sw)
CD turntable sensor signal input. (Turntable no. and ON or no CD)
Not used.
Key matrix input.
Not used.
Video mode (NORMAL PAL, PAL60) control input.
Not used.
Remote control signal input.
FL GRID output G1-G7.
FL SEGMENT output P1-P9.
5V power supply input.
Power supply input for FL display.
FL SEGMENT output P10-P27.
Not used.
Not used.
LED control output for disc direct key 5 and 4.
CD tray open control output.
CD tray close control output.
LED control output for disc direct key 3, 2, 1.
PLAY key LED control output.
PAUSE key LED control output.
Dish LED control output.
GND.
Serial data signal for KARAOKE IC.
Serial strobe signal for KARAOKE IC.
Serial clock signal for KARAOKE IC.
