Read Sony CDC-R30MP / CDC-X30MP Service Manual online
22
CDC-R30MP/X30MP
Pin No.
Pin Name
I/O
Pin Description
56
ST-BY MUTE
O
Standby mute signal output to the power amp IC (IC501)
57
POWER CONT
O
Power control signal output
58
RDS DI
I
CDC-R30MP: RDS data signal input from the RDS IC (IC151)
CDC-X30MP: Not used in this set. (Connected to ground.)
59
BEEP
O
Beep signal output to the power amp IC (IC501)
60
AF MUTE
O
Audio mute control signal output
61 – 63
NC
O
Not used in this set. (Open)
64
RDS MODE
O
CDC-R30MP: RDS mode signal output “H”: RDS AF operation
CDC-X30MP: Not used in this set.
65
POWER MUTE
O
Power mute control signal output to the power amp IC (IC501)
66
FM
O
FM band change signal output
67
AM
O
AM band change signal output
68 – 70
NC
O
Not used in this set. (Open)
71, 72
MI 1, MI 2
I
Diode matrix signal input for initial setting
73
TEST MODE
I
Test mode pin for CD mechanism durability “L”: Normal mode
74 – 77
MO 1 – MO 4
O
Diode matrix signal output for initial setting
78
EJECT
I
Disc eject interrupt port signal input
79
S REQ
I
CDS S-REQ signal input
80
RE1 IN
I
Rotary encoder signal input 1
81
RE2 IN
I
Rotary encoder signal input 2
82
GND
—
Ground pin
83 – 85
NC
O
Not used in this set. (Open)
86
SW1
I
Disc detection SW1 signal input
87
NC (SW2)
I
Not used in this set. (Open) Disc detection SW2 signal input
88
NC (SW3)
I
Not used in this set. (Open) Disc detection SW3 signal input
89 – 93
NC
O
Not used in this set. (Open)
94
READY
O
Ready signal output to the mechanism control IC (IC301)
95
CDS SLEEP
O
CDS sleep signal output to the mechanism control IC (IC301)
96
CDS CS
O
CDS CS signal output to the mechanism control IC (IC301)
97
RESET
O
Reset signal output to the mechanism control IC (IC301)
98
RADIO CONT
O
Not used in this set. (Open)
99
VDDPORT
—
Power supply pin (+5 V)
100
GND
—
Ground pin
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