Sony HD-FLX9W Service Manual page 121

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GC BOARD IC201 MB90M407PF-G-143-BNDE1
(FLUORESCENT INDICATOR TUBE DRIVER, KEY CONTROL, CD/DVD MECHANISM DECK CONTROLLER)
Pin No. Pin Name
1 to 8 G17 to G24
9, 10 A36, 35
11 VSS-(IO)
12 to 22 A34 to A24
23 VDD-(VFT)
24 to 41 A23 to A6
42 VSS-(IO)
43 to 47 A5 to A1
48 VKK-(VFT)
MODE0 to
49 to 51
MODE2
DOOR
52
MOTOR +
DOOR
53
MOTOR –
54 LOD-POS
LOD-NEG/
55
XHOLD
56 EXP-LAT
57 to 59 ENC2 to ENC0
TE
L 13942296513
60 IIC DATA
61 IIC CLOCK
62
AVCC-(ANALOG)
63 AVSS-(ANALOG)
64 to 66 KEY0 to KEY2
67 OUT SW
68 MIDOUT SW
69 IN SW
70 MIDIN SW
71 CLP-POS
72
CLP-NEG
73 INIT SW
74 CNT SW
75
EXP-IN DATA
76
EXP-CLK
77
RESET
www
78
EXP-OUT DATA
79 DISC-SENS
.
80 PRTC-SW
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I/O
O
Grid drive signal output to the fluorescent indicator tube
— Segment drive signal output to the fluorescent indicator tube
O
Ground terminal (for I/O port)
O
Segment drive signal output to the fluorescent indicator tube
—
Power supply terminal (+3.3V) (for fluorescent indicator tube)
O Segment drive signal output to the fluorescent indicator tube
—
Ground terminal (for I/O port)
O
Segment drive signal output to the fluorescent indicator tube
—
Power supply terminal (–38V) (for fluorescent indicator tube)
I
Setting terminal for the CPU operational mode
O
CD/DVD door open/close motor drive signal output
O
CD/DVD door open/close motor drive signal output
O
Loding motor drive signal output
O
Loding motor drive signal output
O
Serial data latch pulse output to the front panel controller
O
Rotary encoder pulse input terminal
I/O IIC two-way data bus with the system controller
I
IIC data reading clock signal input from the system controller
—
Power supply terminal (+3.3V) (for A/D conversion)
—
Ground terminal (for A/D conversion)
I Key input terminal (A/D input)
Detection input from the tray open/close detect switch
I
"L": when tray is open, "H": when tray is close
Detection input from the mid out detect switch
I
"L": when tray is going to open or close
Detection input from the tray open/close detect switch
I
"L": when tray is close, "H": when tray is open
Detection input from the mid in detect switch
I
"L": when sub tray move between tray and stocker
O Elevator up/down motor (M701) control signal output
O
Elevator up/down motor (M701) control signal output
Detection input from the INIT detect switch
I
"L": when elevator down to bottom, others: "H"
Detection input from the count detect switch
I
"L": when elevator up/down each sub tray stock position
I Serial data input from the front panel controller
O
Serial data transfer clock signal output to the front panel controller
I Reset signal input from the system controller
O Serial data output to the front panel controller
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I
Detection input from the disc in detect sensor "H": disc detected
i
Detection input from the CD/DVD tray door open/close detect switch
I
"L": when CD/DVD lid is open, "H": when CD/DVD lid is close
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Description
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HCD-FLX9W
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