Read Sony CDC-R30MP / CDC-X30MP Service Manual online
16
CDC-R30MP/X30MP
4-1. IC PIN DESCRIPTIONS
• IC201 µPD63760GJ-8EN (RF AMP, DSP, DEC) (SERVO BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
R GND
—
Ground pin for DRAM I/F
2
RST
I
Reset signal input from the mechanism control IC (IC301)
3 – 7
AB12 – AB8
I
Address bus signal input from the mechanism control IC (IC301)
8 – 15
AD7 – AD0
I/O
Address/data bus signal input from the mechanism control (IC301)
16
CS
I
Chip select signal input from the mechanism control IC (IC301)
17
ASTB
I
Address strob signal input from the mechanism control IC (IC301)
18
READ
I
Read control signal input from the mechanism control IC (IC301)
19
WRITE
I
Write control signal input from the mechanism control IC (IC301)
20
WAIT
O
Wait control signal output to the mechanism control IC (IC301)
21
INTQ
O
Interruption signal output to the mechanism control IC (IC301)
22
IFMODE
I
16 bit/8 bit data bus change signal output
23
D VDD
—
Power supply pin for digital circuit (+3 V)
24
XTALEN1
I
Oscillation permission pin (16.9344 MHz)
25
XTALEN2
I
Oscillation permission pin (24.576 MHz)
26
DA VDD
—
Power supply pin for DAC (+3 V)
27
ROUT
O
R channel audio signal output
28
DA GND
—
Ground pin for DAC
29
R+
O
R channel audio PDM signal output 1 Not used in this set. (Open)
30
R–
O
R channel audio PDM signal output 2 Not used in this set. (Open)
31
REGC
—
Capacitor connection pin for bandgap
32
L–
O
L channel audio PDM signal output 2 Not used in this set. (Open)
33
L+
O
L channel audio PDM signal output 1 Not used in this set. (Open)
34
DA GND
—
Ground pin for DAC
35
LOUT
O
L channel audio signal output
36
DA VDD
—
Power supply pin for DAC (+3 V)
37
XVDD
—
Power supply pin for crystal oscillator (+3 V)
38
XTAL1 I
I
Crystal oscillator connection pin (16.9344 MHz)
39
XTAL1 O
O
Crystal oscillator connection pin (16.9344 MHz)
40, 41
XGND
—
Ground pin for crystal oscillator
42
XTAL2 O
O
Crystal oscillator connection pin (24.576 MHz) Not used in this set. (Open)
43
XTAL2 I
I
Crystal oscillator connection pin (24.576 MHz) Not used in this set. (Open)
44
XVDD
—
Power supply pin for crystal oscillator (+3 V)
45
D GND
—
Ground pin for digital circuit
46
DIN
I
Audio data signal input
47
DOUT
O
Audio data signal output Not used in this set. (Open)
48
SCKIN
I
Clock signal input for audio data
49
SCKO
O
Clock signal output for audio data Not used in this set. (Open)
50
LRCKIN
I
LRCK signal input for audio data
51
LRCK
O
LRCK signal output for audio data Not used in this set. (Open)
52
TESTX
O
Test output Not used. (Open)
53
RFOK
O
RFOK signal output to the mechanism control IC (IC301)
54
C16M
O
16.9344 MHz output Not used in this set. (Open)
55
TESTEN
—
Connected to ground.
56
TEST4
—
Connected to ground.
57
VDD
—
Power supply pin 1 for digital circuit (+3 V)
58
RFCK/HOLD
O
RFCK signal output/HOLD signal output Not used in this set. (Open)
59
WFCK/MIRR
O
WFCK signal output/MIRR signal output Not used in this set. (Open)
60
PLCK
O
PLCK signal output Not used in this set. (Open)
SECTION 4
DIAGRAMS
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