66
HCD-GNZ55D
• IC Pin Descriptions
IC102 CXD9849R (CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM PROCESSOR,
DIGITAL SERVO PROCESSOR) (DMB15 BOARD (3/5))
Pin No.
Pin Name
I/O
Pin Description
1
AGND
—
Ground pin
2
DVDA
I
AC coupled input path A
3
DVDB
I
AC coupled input path B
4
DVDC
I
AC coupled input path C
5
DVDD
I
AC coupled input path D
6
DVDRFIP
I
AC coupled DVD RF signal input RFIP
7
DVDRFIN
I
AC coupled DVD RF signal input RFIN Not used in this set. (Open)
8
NA
I
DC coupled main-beam RF signal input A
9
NB
I
DC coupled main-beam RF signal input B
10
MC
I
DC coupled main-beam RF signal input C
11
MD
I
DC coupled main-beam RF signal input D
12
SA
I
DC coupled sub-beam RF signal input A Not used in this set. (Open)
13
SB
I
DC coupled sub-beam RF signal input B Not used in this set. (Open)
14
SC
I
DC coupled sub-beam RF signal input C Not used in this set. (Open)
15
SD
I
DC coupled sub-beam RF signal input D Not used in this set. (Open)
16
CDFON
I
CD focusing error negative input Not used in this set. (Open)
17
CDFOP
I
CD focusing error positive input Not used in this set. (Open)
18
TNI
I
3 beam satellite PD signal negative input
19
TPI
I
3 beam satellite PD signal positive input
20
MDI1
I
Laser power PD monitor signal input
21
MDI2
I
Laser power PD monitor signal input
22
LDO2
O
Laser drive signal output
23
LDO1
O
Laser drive signal output
24
SVDD3
—
Power Supply pin (+3.3 V)
25
CSD
O
Central servo, Positive main beam summing signal output
Not used in this set. (Open)
26
RFLVL
O
RFRP low pass, or Positive main beam summing signal output
Not used in this set. (Open)
27
SGND
—
Ground pin
28
V2REFO
O
Reference voltage 2.8 V
29
V2O
O
Reference voltage 2.0 V
30
VREFO
O
Reference voltage 1.4 V
O
Focus error monitor signal output Not used in this set. (Open)
O
Tracking error monitor signal output Not used in this set. (Open)
O
TE Slicing Level Not used in this set.
O
Op amp output Not used in this set. (Open)
I
Op amp negative input Not used in this set. (Open)
I
Op amp positive input Not used in this set. (Open)
O
Disk motor control signal output. PWM signal output
O
Feed motor signal control. PWM signal output
O
Tray PWM output/Tray open signal output.
40
IOPMON
I
General PWM signal input
41
TRO
O
Tracking servo signal output
42
FOO
O
Focus servo signal output
43
DVSS
—
Ground pin
44
NC
—
Not used. (Open)
45
NC
—
Not used. (Open)
46
DVDD3
—
Power Supply pin (+3.3 V)
47
SPFG
I
Motor Hall sensor signal input
48
DSEL
O
Select signal output
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
