Read Sony DHC-FLX9W / HCD-FLX9W Service Manual online
121
HCD-FLX9W
GC BOARD IC201 MB90M407PF-G-143-BNDE1
(FLUORESCENT INDICATOR TUBE DRIVER, KEY CONTROL, CD/DVD MECHANISM DECK CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 8
G17 to G24
O
Grid drive signal output to the fluorescent indicator tube
9, 10
A36, 35
—
Segment drive signal output to the fluorescent indicator tube
11
VSS-(IO)
O
Ground terminal (for I/O port)
12 to 22
A34 to A24
O
Segment drive signal output to the fluorescent indicator tube
23
VDD-(VFT)
—
Power supply terminal (+3.3V) (for fluorescent indicator tube)
24 to 41
A23 to A6
O
Segment drive signal output to the fluorescent indicator tube
42
VSS-(IO)
—
Ground terminal (for I/O port)
43 to 47
A5 to A1
O
Segment drive signal output to the fluorescent indicator tube
48
VKK-(VFT)
—
Power supply terminal (–38V) (for fluorescent indicator tube)
49 to 51
MODE0 to
MODE2
I
Setting terminal for the CPU operational mode
52
DOOR
MOTOR +
O
CD/DVD door open/close motor drive signal output
53
DOOR
MOTOR –
O
CD/DVD door open/close motor drive signal output
54
LOD-POS
O
Loding motor drive signal output
55
LOD-NEG/
XHOLD
O
Loding motor drive signal output
56
EXP-LAT
O
Serial data latch pulse output to the front panel controller
57 to 59
ENC2 to ENC0
O
Rotary encoder pulse input terminal
60
IIC DATA
I/O
IIC two-way data bus with the system controller
61
IIC CLOCK
I
IIC data reading clock signal input from the system controller
62
AVCC-(ANALOG)
—
Power supply terminal (+3.3V) (for A/D conversion)
63
AVSS-(ANALOG)
—
Ground terminal (for A/D conversion)
64 to 66
KEY0 to KEY2
I
Key input terminal (A/D input)
67
OUT SW
I
Detection input from the tray open/close detect switch
“L”: when tray is open, “H”: when tray is close
“L”: when tray is open, “H”: when tray is close
68
MIDOUT SW
I
Detection input from the mid out detect switch
“L”: when tray is going to open or close
“L”: when tray is going to open or close
69
IN SW
I
Detection input from the tray open/close detect switch
“L”: when tray is close, “H”: when tray is open
“L”: when tray is close, “H”: when tray is open
70
MIDIN SW
I
Detection input from the mid in detect switch
“L”: when sub tray move between tray and stocker
“L”: when sub tray move between tray and stocker
71
CLP-POS
O
Elevator up/down motor (M701) control signal output
72
CLP-NEG
O
Elevator up/down motor (M701) control signal output
73
INIT SW
I
Detection input from the INIT detect switch
“L”: when elevator down to bottom, others: “H”
“L”: when elevator down to bottom, others: “H”
74
CNT SW
I
Detection input from the count detect switch
“L”: when elevator up/down each sub tray stock position
“L”: when elevator up/down each sub tray stock position
75
EXP-IN DATA
I
Serial data input from the front panel controller
76
EXP-CLK
O
Serial data transfer clock signal output to the front panel controller
77
RESET
I
Reset signal input from the system controller
78
EXP-OUT DATA
O
Serial data output to the front panel controller
79
DISC-SENS
I
Detection input from the disc in detect sensor “H”: disc detected
80
PRTC-SW
I
Detection input from the CD/DVD tray door open/close detect switch
“L”: when CD/DVD lid is open, “H”: when CD/DVD lid is close
“L”: when CD/DVD lid is open, “H”: when CD/DVD lid is close
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