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7-1. MPEG/DSP/RF PIN FUNCTION (MAIN BOARD U3: MT1389HD)
Pin
number
1
2
3
4
5
6
DVDRFIP
7
DVDRFIN
8
9
10
11
12
13
14
15
16
17
18
19
20
TE
L 13942296513
21
22
23
24
25
26
27
28
V2REFO
29
30
31
32
33
TEZISLV
34
OP_OUT
35
36
37
38
39
TROPENPWM
40
PWMOUT1 /V_ADIN9
41
42
www
43
VPLLVSS
44
CAPPAD
45
VPLLVDD3
.
46
USB_VSS
47
48
http://www.xiaoyu163.com
IC PIN FUNCTION DESCRIPTION
Name
I/O
AGND
-
Analog ground
DVDA
I
AC coupled input path A
DVDB
I
AC coupled input path B
DVDC
I
AC coupled input path C
DVDD
I
AC coupled input path D
I
AC coupled DVD RF signal
I
TP45
MA
I
DC coupled main-beam RF signal input A
MB
I
DC coupled main-beam RF signal input B
MC
I
DC coupled main-beam RF signal input C
MD
I
DC coupled main-beam RF signal input D
SA
I
DC coupled sub-beam RF signal input A
SB
I
DC coupled sub-beam RF signal input B
SC
I
DC coupled sub-beam RF signal input C
SD
I
DC coupled sub-beam RF signal input D
CDFON
I
TP52
CDFOP
I
TP53
TNI
I
3 beam satellite PD signal negative input
TPI
I
3 beam satellite PD signal positive input
MDI1
I
Laser power monitor input
MDI2
I
Laser power monitor
LDO2
O
Laser driver output
LDO1
O
Laser driver output
SVDD3
-
Analog power 3.3V
CSO
O
Positive main beam summing output
RFLVL
O
Negative main beam summing output
SGND
-
Analog ground
O
Reference voltage 2.8V
V20
O
Reference voltage 2.0V
VREFO
O
Reference voltage 1.4V
FEO
O
Focus error monitor output
TEO
O
Tracking error monitor output
O
TE Slicing Level
O
TP162
OP_INN
I
TP163
OP_INP
I
TP164
DMO
O
Disk motor control output. PWM output.
FMO
O
Feed motor control. PWM output.
(-)
N.C.
O
1stGeneral PWM output, or Version AD input 9
TRO
O
Tracking servo output. PDM output of tracking servo compensator
FOO
O
Focus servo output. PDM output of focus servo compensator
-
Analog ground for VPLL
x
ao
I
Capacitance connection
y
-
Analog 3.3V Power for VPLL
i
-
USB ground pin
USBP
I
USB port DPLUS analog pin
USBM
I
USB port DMINUS analog pinPin
http://www.xiaoyu163.com
SECTION 7
8
Q Q
3
6 7
1 3
u163
.
7-1
2 9
9 4
2 8
Description
1 5
0 5
8
2 9
9 4
m
co
DVP-FX720
9 9
2 8
9 9
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