![background image](http://html.mh-extra.com/html/sony/hcd-gn1100d/hcd-gn1100d_service-manual_420677065.webp)
65
HCD-GN1100D
7-38. IC PIN FUNCTION DESCRIPTION
IC102 CXD9849R (CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM PROCESSOR, DIGITAL SERVO
PROCESSOR) (DMB16 BOARD)
Pin No.
Pin Name
I/O
Description
1
AGND
–
Ground terminal
2
DVDA
I
AC coupled RF signal input A
3
DVDB
I
AC coupled RF signal input B
4
DVDC
I
AC coupled RF signal input C
5
DVDD
I
AC coupled Rf signal input D
6
DVDRFIP
I
AC coupled DVD RF signal input
7
DVDRFIN
I
AC coupled DVD RF signal input (Not used)
8
NA
I
RF signal input A
9
NB
I
RF signal input B
10
MC
I
RF signal input C
11
MD
I
RF signal input D
12
SA
I
Sub-beam RF signal input A (Not used)
13
SB
I
Sub-beam RF signal input B (Not used)
14
SC
I
Sub-beam RF signal input C (Not used)
15
SD
I
Sub-beam RF signal input D (Not used)
16
CDFON
I
CD focusing error negative input (Not used)
17
CDFOP
I
CD focusing error positive input (Not used)
18
TNI
I
RF signal input E
19
TPI
I
RF signal input F
20
MDI1
I
Laser power PD monitor input
21
MDI2
I
Laser power PD monitor input
22
LDO2
O
Laser drive signal output
23
LDO1
O
Laser drive signal output
24
SVDD3
–
Power Supply terminal (+3.3V)
25
CSD
O
Not used (Open)
26
RFLVL
O
Positive main beam summing output
27
SGND
O
Ground terminal
28
V2REFO
O
Reference voltage output
29
V2O
O
Center voltage output
30
VREFO
O
Reference voltage output
31
FEO
O
Focus error signal output
32
TEO
O
Tracking error signal output
33
TEZISLV
O
TE Slicing Level (Not used)
34
OPOUT
–
Not used (Open)
35
OPIN
–
Not used (Open)
36
OPIN
–
Not used (Open)
37
DMO
O
Spindle motor control PWM signal output
38
FMO
O
Sled motor PWM signal output
39
TROPENPWM
O
Tray PWM output/Tray open output (Not used)
40
IOPMON
O
General PWM signal output
41
TRO
O
Tracking servo signal output
42
FOO
O
Focus servo signal output
43
DVSS
–
Ground terminal
44
NO USE
–
Not used (Open)
45
NO USE
–
Not used (Open)
46
DVDD3
–
Power Supply terminal (+3.3V)
47
SPFG
I
Spindle FG signal input
Summary of Contents for HCD-GN1100D
Page 105: ...105 HCD GN1100D MEMO ...