Read Sony CFD-S07CP Service Manual online
CFD-S07CP
28
• IC Pin Function Description
MAIN BOARD (1/3) IC801 TC94A77FG-717
(CD-RF AMP/SERVO CONTROL, AUDIO DAC, DSP, LCD DRIVER, SYSTEM CONTROL)
(CD-RF AMP/SERVO CONTROL, AUDIO DAC, DSP, LCD DRIVER, SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
FMO
O
Feed (Sled) servo equalizer signal output
2
DMO
O
Disc (spindle) servo equalizer signal output
3
KEY1-I
I
Key signal input
4
KEY2-I
I
Key signal input
5
CD_LIMIT/LID IN
I
CD Door open/close and CD Limit switch signal input
6
BATT-CHK-H
I
Battery voltage power check input
7
6V CHK
I
6.2V power check input
8
SIMUKE
I
Model destination input
9
VREG
—
1.5V reference voltage terminal
10
MXO
O
Sub system oscillation output (4.19MHz)
11
MXI
I
Sub system oscillation input (4.19MHz)
12
VDD3
—
Power supply (VDD+3.3V (I/O))
13
VSS
—
Ground
14
VSSP3
—
Ground (VCO)
15
VCOI
I
VCO input
16
VDDP3
—
Power supply (VDD+3.3V (VCO))
17
FUNC_TC
O
Tape function select signal output
18
RESET
I
Initial reset signal input
19
VDD1
—
Power supply (VDD+1.5V)
20
VSS
—
Ground
21
DVSS3
—
Ground (DAC)
22
LO
O
CD audio L-CH signal output
23
DVR
I
DAC reference voltage terminal
24
RO
O
CD audio R-CH signal output
25
DVDD3
—
Power supply (VDD+3.3V (DAC))
26
XVSS1
—
Ground (OSC)
27
XI
I
Main system oscillation input (16.93MHz)
28
XO
O
Main system oscillation output (16.93MHz)
29
XVDD1
—
Power supply (VDD+1.5V (OSC))
30
RMC
I
Sircs signal input
31
TU-DAT
I/O
Tuner serial I2C data input/output
32
TU-CLK
O
Tuner serial I2C clock output
33
EEP-CLK
O
EEPROM/EVR control serial I2C clock output
34
EEP-DAT
I/O
EEPROM/EVR control serial I2C data input/output
35
TU RESET
O
Tuner reset signal output
36
VSS
—
Ground
37
VDD1
—
Power supply (VDD+1.5V)
38
P-CONT
O
Power control signal output
39
A-MUTE
O
Audio mute signal output
40
MOTOR-MUTE
O
Motor drive mute signal output
41
ISS1
O
Tuner beat change signal output
42
ISS2
O
Tuner beat change signal output
43
POWER KEY
I
Power key signal input
44
AUDIO IN CHECK
I
Audio signal in check signal input
45
TC-OPERATION
I
Tape play detect signal input (L: Play)
46
TAPE REC
I
Tape REC signal input (H: REC)
47 to 49
NC
—
Not used (Open)
50
VDD3
—
Power supply (+3.3V)
51 to 54
NC
—
Not used (Open)
55
D-SHIFT2
O
Clock shift signal output
56
D-SHIFT1
O
Clock shift signal output
57
ACDC CHK
I
AC power check signal input
58
NC
—
Not used (Open)
59
WR
O
LCD driver data write signal output
60
CS
O
LCD driver chip select signal output
61
DATA
O
LCD driver data output
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