77
HCD-DZ830W/DZ850KW
• IC Pin Function Description
MAIN BOARD IC1101 CXD9889R
(CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM PROCESSOR, DIGTAL SERVO PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
AGND
—
Ground terminal
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
Not used (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
Not used (Open)
13
SB
I
Not used (Open)
14
SC
I
Not used (Open)
15
SD
I
Not used (Open)
16
CDFON
I
Not used (Open)
17
CDFOP
I
Not used (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 monitor input
21
MDI2
I
Laser power monitor input
22
LDO2
O
Laser driver output
23
LDO1
O
Laser driver output
24
SVDD3
—
Power supply (RF+3.3V)
25
CSO
O
Not used (Open)
26
RFLVL
O
RFRP low pass output for jig
27
SGND
—
Ground terminal
28
V2REFO
O
Reference voltage 2.8V
29
V20
O
Reference voltage 2.0V
O
Reference voltage 1.4V
O
Focus error monitor output for jig
O
Tracking error monitor output for jig
O
TE Slicing Level
O
Not used (Open)
I
Not used (Open)
I
Not used (Open)
O
Disc motor control output. PWM output
O
Feed motor control. PWM output
39
TROPENPWM
O
Tray PWM output / Tray open output
40
IOPMON
I
Iop Monitor
41
TRO
O
Tracking servo output
42
FOO
O
Focus servo output
43
VPLLVSS
—
Ground terminal
44
VPLLCAP
—
PLL External Capacitor
45
VPLLVDD3
—
Power supply (+3.3V from IC1105)
46
USB_VSS
—
Ground terminal
47
RESERVED
—
Not used (Open)
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