Read Sony CDX-V3800 Service Manual online
31
CDX-V3800
Pin No.
Pin Name
I/O
Pin Description
64
ACC IN
I
Accessory power supply detect signal input
65
SIRCS
I
Remote control signal (infrared rays) input
66
NC
—
Not used in this set. (Fixed at “L”.)
67
PAK BK
I
Test mode detect signal input
68
FLASH W
I
Memory mode changeover signal input
Normally “H” input (single chip mode) “L” after reset: Flash write mode
69 to 71
NC
—
Not used in this set. (Open)
72
DOOR SW
I
Front panel open/close detect signal input
“L” input: Panel close, “H” input: Panel open
73, 74
NC
—
Not used in this set. (Fixed at “H”.)
75
XKEY ON
O
Key power supply control signal output Pin rj (KEY ACK) active: “L” output
76
NC
—
Not used in this set. (Open)
77
RESET
I
Reset signal input
78
NC
—
Not used in this set. (Open)
79
X1A
—
Oscillator connect pin (32.768 kHz)
80
X0A
—
Oscillator connect pin (32.768 kHz)
81
VSS
—
Ground pin
82
X0
—
Oscillator connect pin (3.68 MHz)
83
X1
—
Oscillator connect pin (3.68 MHz)
84
VCC+3.3
—
Power supply pin (+3.3 V)
85, 86
NC
—
Not used in this set. (Open)
87
CD ON
O
CD power on/off control signal output
88
NC
—
Not used in this set. (Open)
89
TEST MODE
I
Test mode pin
90
MP
O
MP mode select signal output
91
NC
—
Not used in this set. (Open)
92
CD IN SW
I
CD mechanism IN-SW detect signal input
93
CD LOAD
O
CD mechanism loading motor control signal output
94
EJECT
O
CD mechanism eject motor control signal output
95
D SW
I
CD mechanism DSW detect signal input
69, 97
NC
—
Not used in this set. (Open)
98
CD XRST
O
CD servo reset signal output
99
NC
—
Not used in this set. (Open)
100
NC
—
Not used in this set. (Open)
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