Read Sony HCD-DP900D / MHC-DP900D Service Manual online
58
HCD-DP900D
1
FIP/LED16
O
Grid drive signal output to the fluorescent indicator
2 to 5
FIP17 - 20
O
Grid drive signal output to the fluorescent indicator
6 to 10
FIP21-25
O
Segment drive signal output the flourescent indicator tube
11
VSS IO
—
Ground
12 to 22
FIP26-36
O
Segment drive signal output the flourescent indicator tube
23
VDD FIP
I
Power supply terminal (B+ VFT)
24 to 41
FIP37-54
O
Segment drive signal output the flourescent indicator tube
42
VSS IO
—
Ground
43 to 47
FIP35-59
O
Segment drive signal output the flourescent indicator tube
48
VKK
I
Power supply terminal (B- for VFT)
49
MD0
I
Chip Mode Select 0
50
MD1 VDD-VFT
I
Chip Mode Select 1
51
MD2
I
Chip Mode Select 2
52
LED15
O
LED switch signal output
53
LED14
O
LED switch signal output
54
LED13
O
LED switch signal output
55
LED12
O
LED switch signal output
56
VOL A
I
Jog dial pulse input from the rotary encoder(A phase input)
57
VOL B
I
Jog dial pulse input from the rotary encoder(B phase input)
58
HEADPHONE
I
HEAD PHONE check (“H” head phone)
59
LED11
O
LED switch signal output
60
I2C DATE
O
IIC data bus SDA signal
61
I2C CLA
O
IIC data bus reading clock signal
62
AVCC
I
Power supply terminal (analog)
63
AVSS
—
Ground (analog)
64 to 66
KEY0 - KEY2
I
KEY in terminal (A/D input)
67
LED10
O
LED switch signal output
68
VL
I/O
Touch pad control signal input/output
69
VH
I/O
Touch pad control signal input/output
70
HL
I/O
Touch pad control signal input/output
71
HH
I/O
Touch pad control signal input/output
72
AHH
I
Touch pad signal input(A/D input)
73
AHL
I
Touch pad signal input(A/D input)
74
AVH
I
Touch pad signal input(A/D input)
75
AVL
I
Touch pad signal input(A/D input)
76
LED9
O
LED switch signal output
77
RSTX
I
System reset signal input
78
LED8
O
LED switch signal output
79
LED7
O
LED switch signal output
80
LED6
O
LED switch signal output
81
VSS CPU
—
Ground
82
XO
O
Clock output (4MHz)
83
XI
I
Clock input (4MHz)
84
VCC - CPU
I
Power supply terminal
85
LED5
O
LED switch signal output
86
LED4
O
LED switch signal output
87
LED3
O
LED switch signal output
88
LED2
O
LED switch signal output
89
LED1
O
LED switch signal output
90 to 100
FIP LED5 - 15
O
Grid drive signal output to the fluorescent indicator
Pin Name
Pin No.
I/O
• IC1101 DISPLAY CONTROL (MB90M407APF-G-115-BND) (PANEL Board (1/2))
Discription
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