Sony HCD-MJ1 / HCD-MJ1A Service Manual ▷ View online
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Pin No.
Pin name
I/O
Description
47
CE
O
Chip enable output to ST block.
48
CE
O
Chip enable output to IC101 ( CXA1946Q ).
49
CLOCK
O
Clock output to IC101 ( CXA1946Q ).
50
DATA
O
Serial data output to IC101 ( CXA1946Q ).
51
TA MUTE
O
Mute signal output to AMP. “L” : Mute
52
AUX ATT
O
Attenuation output for when AUX input. “L” : ATT
53
MIC DET
–
Not used.
54
CLEAR
O
Reset output to LED driver.
55
LATCH
O
Latch output to LED driver.
56
CLOCK
O
Clock output to LED driver.
57
DATA
O
Data output to LED driver.
58
SIRCS
I
SIRCS signal input terminal.
59
AC-DET
I
AC detection terminal.
60
CST
I
System reset terminal.
61
AUB I
–
Not used. ( Ground connection )
62
AUB O
–
Not used. ( Ground connection )
63
ENC
I
Input terminal from encoder.
64
ENC
I
Input terminal from encoder.
65
Not used.
66
FAN
I
FAN input terminal.
67
SCOR
I
SCOR input from BD.
68
VDD
–
Power supply. ( +5 V )
69
X2
O
MICOM clock output terminal. ( 5.0 MHz )
70
X1
I
MICOM clock input terminal. ( 5.0 MHz )
71
GND
–
Ground.
72
XT2
O
Clock output for timer. ( 3.0 kHz )
73
XT1
I
Clock input for timer. ( 3.0 kHz )
74
AVDD
–
Power supply for Analog. ( +5 V )
75
AVREFO
–
Reference Voltage output for Analog. ( +5 V )
76
K0
I
Key input.
77
K1
I
Key input.
78
K2
I
Key input.
79
K3
I
Key input.
80
VER
I
Input terminal for Virsion Select.
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