Read Sony PMC-D307L / PMC-D40L Service Manual online
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6-4. IC PIN DESCRIPTION
• IC801 CXP83120A-022Q (SYSTEM CONTROL, LCD DRIVE) (EXCEPT East European Model)
• IC801 CXP83120A-031Q (SYSTEM CONTROL, LCD DRIVE) (East European Model)
• IC801 CXP83120A-031Q (SYSTEM CONTROL, LCD DRIVE) (East European Model)
Pin No.
Pin Name
I/O
Pin Description
1
AC CHK
I
AC check input
2
C-SCOR
I
CD-SCOR input
3
RMC
I
Remote commander input
4
C-XRST
O
CD system reset output
5
C-XLAT
O
CD DSP (IC702) command latch output
6
C-DAT
O
CD DSP (IC702) command data output
7
C-CLK
O
Clock output for CD DSP (IC702) command
8
C-DOOR
I
Open/close detection input (“L”: close, “H”: open)
9
328/332
I
328/332 select input (Fixed at “H”.)
10
C-SENC
I
CD-SENS input
11
C-SQCK
O
Clock output for CD SUBQ
12
C-SQSO
I
CD SUBQ input
13
T-BIAS
I
Tape REC BIAS input
14
—
—
Not used (Open)
15
T-REC
I
Tape REC input
16
T-SOL
O
Plunger control output
17
T-MODE
O
HEAD switching output
18
T-AMS
I
AMS sensitivity switching
19
T-MCON
O
Motor control output (“H”: Motor ON)
20
P-CON
O
Power on/off control output
21
V-CLK
O
Volume clock output
22
V-DAT
O
Volume data output
23
V-CE
O
Electrical volume (IC302) chip enable output
24
R-ST
I
Stereo detection input
25
R-COUNT
I
Tuner PLL IC count input
26
R-DAT
O
Tuner PLL IC data output
27
R-CLK
O
Tuner PLL IC clock output
28
R-CE
O
Tuner PLL IC chip enable output
29
9K/10K
I
9K/10K select input (Not used.)
30
T-STAT
I
Tape detection input
31 – 34
KEY-0 – 3
I
Key return signal input
35
INIT
O
Initial setting output (East European model)
36
SIMUKE
I
Destination setting terminal
37
SFC
O
Shift clock ON/OFF out
38
RST
I
Reset input
39
EXTAL1
I
Clock oscillation input (4.19 MHz)
40
XTAL1
O
Clock oscillation output (4.19 MHz)
41
VSS
—
Ground (for A/D converter)
42
XTAL2
O
Clock oscillation output (Open)
43
EXTAL2
I
Clock oscillation output (Fixed at “L”.)
44
AVREF
I
Reference voltage input (for A/D converter)
45
AVSS
—
Ground (for A/D converter)
46
VL
O
LCD bias resistor current control terminal (Cut off at standby)
47 – 49
VLC3 – 1
—
LCD bias power supply terminal
50 – 53
COM0 – 3
O
LCD common signal output terminal
54 – 77
SEG0 – 23
O
LCD segment signal output terminal
78 – 84
NC
—
Not used. (Open)
85 – 87
—
—
Not used. (Open)
88
BL-CONT
O
LCD Back light control output
89
VDD
—
Power supply (+5 V)
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