Read Sony HCD-EC55 / HCD-EC77 / HCD-GX99 / MHC-EC55 / MHC-EC77 / MHC-GX99 Service Manual online
55
HCD-EC55/EC77/GX99
Pin No.
Pin Name
I/O
Description
49
O-CD-ON
I
CD power control signal input terminal
50
NC
O
No used (Open)
51
MD2
—
Use write (Not used (Fixed to “L”))
52
MD1
—
Use write (Not used (Fixed to “H”))
53
MD0
—
Use write (Not used (Fixed to “H”))
54
RESET
I
IC301 reset mode control input terminal
55
O-TU-CE
O
TU-CE signal output terminal
56
O-TU-CLK
O
TU-CLOCK signal output terminal
57
O-TU-DI
O
TU-DATA signal output terminal
58
VLCD
O
LCD voltage set output terminal
59
COM0
O
Common signal output to the LCD
60
COM1
O
Common signal output to the LCD
61
COM2
O
Common signal output to the LCD
62
CMO3
O
Common signal output to the LCD
63
SEG0
O
Segment signal output to the LCD
64
SEG1
O
Segment signal output to the LCD
65
VCC
—
Power supply terminal (+3.3V)
66
VSS
—
Ground terminal
67
SEG2
O
Segment signal output to the LCD
68
SEG3
O
Segment signal output to the LCD
69
SEG4
O
Segment signal output to the LCD
70
SEG5
O
Segment signal output to the LCD
71
SEG6
O
Segment signal output to the LCD
72
SEG7
O
Segment signal output to the LCD
73
SEG8
O
Segment signal output to the LCD
74
SEG9
O
Segment signal output to the LCD
75
SEG10
O
Segment signal output to the LCD
76
SEG11
O
Segment signal output to the LCD
77
SEG12
O
Segment signal output to the LCD
78
SEG13
O
Segment signal output to the LCD
79
SEG14
O
Segment signal output to the LCD
80
SEG15
O
Segment signal output to the LCD
81
SEG16
O
Segment signal output to the LCD
82
SEG17
O
Segment signal output to the LCD
83
SEG18
O
Segment signal output to the LCD
84
SEG19
O
Segment signal output to the LCD
85
SEG20
O
Segment signal output to the LCD
86
SEG21
O
Segment signal output to the LCD
87
SEG22
O
Segment signal output to the LCD
88
SEG23
O
Segment signal output to the LCD
89
SEG24
O
Segment signal output to the LCD
90
VCC
—
Power supply terminal (+3.3V)
91
VSS
—
Ground terminal
92
X1
I
Resonator input terminal (5MHz)
93
X0
O
Resonator output terminal (5MHz)
94
SEG25
O
Segment signal output to the LCD
95
SEG26
O
Segment signal output to the LCD
96
SEG27
O
Segment signal output to the LCD
97
SEG28
O
Segment signal output to the LCD
Click on the first or last page to see other HCD-EC55 / HCD-EC77 / HCD-GX99 / MHC-EC55 / MHC-EC77 / MHC-GX99 service manuals if exist.