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XAV-A1
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IC Pin Function Descripition
SERVO BOARD IC1102 M3356-A1G (PG) (CD/DVD DSP, MPEG DECODER)
Pin No.
Pin Name
I/O
Description
1
VD33
-
Power supply terminal (+3.3V)
2
TVDAC3
O
RGB (blue) signal output terminal
3
TVDAC2
O
RGB (red) signal output terminal
4
XIREF1
O
External capacitor connection terminal
5
XIDUMP
O
Dump current output terminal
6
XIEXT
O
Reference generation register terminal
7
TVDAC1
O
Video signal output terminal
8
TVDAC0
O
RGB (green) signal output terminal
9
GND
-
Ground terminal
10
VD33
-
Power supply terminal (+3.3V)
11
LOAD+
O
Loading motor drive signal output terminal
12
LOAD-
O
Loading motor drive signal output terminal
13
EJECT
I
Eject control signal input from the system controller
14
VDD33
-
Power supply terminal (+3.3V)
15
INSIDE SW
I
Limit in detection signal input from the DVD chassis assy
The optical pick-up is inner position when "H"
16
GND
-
Ground terminal
17
CD_DVDCT
O
DVD/CD selection signal output to the DVD chassis assy
18
SENS-A
I
Disc in detection sensor input terminal
19
VD18
-
Power supply terminal (+1.8V)
20
SENS-B
I
Disc size detection sensor input terminal
21
GND
-
Ground terminal
22
DRVSB
O
Standby signal output to the spindle motor driver
23
VDD3
-
Power supply terminal (+3.3V)
24
XSBLPFO
O
Output terminal for the external low-pass filter of SBAD signal
25
XCELPFO
O
Output terminal for the external low-pass filter of center error signal
26
AVDD
-
Power supply terminal (+3.3V)
27
XFELPFO
O
Output terminal for the external low-pass filter of focus error signal
28
XTELPFO
O
Output terminal for the external low-pass filter of tracking error signal
29, 30
AVSS
-
Ground terminal
31
XTELP
I
Input terminal for the external low-pass filter of tracking error signal
32
XTEXO
O
Tracking error signal output terminal
33
AVDD
-
Power supply terminal (+3.3V)
34
XVREF21
O
Reference voltage (+2.1V) output to the DVD chassis assy
35
XBIASR
I/O
Internal bias current input/output terminal
36
XDVDPD
I
Laser diode monitor (for DVD) input from the DVD chassis assy
37
AVSS
-
Ground terminal
38
XCDPD
I
Laser diode monitor (for CD) input from the DVD chassis assy
39
XDVDLD
O
Laser diode control signal (for DVD) output terminal
40
XDVDCD
O
Laser diode control signal (for CD) output terminal
41
AVSS
-
Ground terminal
42, 43
XPDAUX2,
APDAUX1
O
Analog test terminal
44
XCD_F
I
Photo detector signal input for CD sub-beam from the DVD chassis assy
45
XCD_E
I
Photo detector signal input for CD sub-beam from the DVD chassis assy
46
XCD_D
I
Photo detector signal input for CD servo signal from the DVD chassis assy
Содержание XAV-A1 - Av Center
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