Read Sony CFD-101 Service Manual online
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5-4. IC PIN DESCRIPTION
• IC801 CXP5084H-680Q (SYSTEM CONTROL/LCD DRIVE)
• IC801 CXP5084H-680Q (SYSTEM CONTROL/LCD DRIVE)
Pin No.
Pin Name
I/O
Pin Description
1-3
NC
—
Not used.
4
SCOR
I
SCOR input from DSP (IC702).
5
SQCK
O
Sub “Q” code clock output
6
NC
—
Not used.
7
SENS
I
SENS input from DSP (IC702).
8
SQSO
I
Sub “Q” code input from DSP (IC702).
9
CLOK
O
Serial clock output
10
XLAT
O
Serial latch output
11
DATA
O
Serial data output
12
XRST
O
System reset output to DSP (IC702).
13
K-FR
I
≠(REW) key input
14
K-PB
I
fl(PB) key input
15
K-FF
I
±(FF) key input
16
KSTOP
I
π(STOP) key input
17
K-MODE
I
MODE key input
18
K-DISP
I
DISPLAY/ENT key input
19
MUTE
O
Mute output to DSP • D/A (IC702 • IC704).
20
NC
—
Not used.
21
DOOR
I
Door OPEN/CLOSE to switch (S704).
22
(CD)
—
Ground
23
REC
O
“L” : REC ON
24
TEST
I
CD test mode ( “L” : ADJ mode)
25
VSS
—
Ground
26-34
NC
—
Not used.
35-50
SEG15-SEG0
O
LCD segment output
51-54
COM0-COM3
O
LCD common output
55-57
VLCD1-VLCD3
—
LCD drive power supply
58
VDD
—
Power supply (+5V)
59
VL
O
Connected to VLCD3.
60
NC
—
Not used.
61
EXTAL
I
Clock input from DSP (IC702).
62
RST
I
System reset input
63
WP
—
Ground
64
NC
—
Not used.
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