Read Sony DAV-FXG99K / HCD-FXG99K Service Manual online
HCD-FXG99K
69
• IC Pin Function Description
MAIN BOARD (2/9) IC1101 CXD9917R
(CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM CONTROL, DIGITAL SERVO PROCESSOR, DIR/USB
CONTROL)
(CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM CONTROL, DIGITAL SERVO PROCESSOR, DIR/USB
CONTROL)
Pin No.
Pin Name
I/O
Description
1
OSN
—
RF offset cancellation capacitor connecting terminal
2
RFGC
I
RF AGC loop capacitor connecting terminal
3
IREF
I
Current reference setting terminal
4
AVDD3
—
Power supply (VDD3.3V)
5
AGND
—
Ground
6
DVDA
I
AC coupled input path A
7
DVDB
I
AC coupled input path B
8
DVDC
I
AC coupled input path C
9
DVDD
I
AC coupled input path D
10
DVDRFIP
I
DC coupled DVD RF signal input RFIP
11
MA
I
DC coupled main-beam RF signal input A
12
MB
I
DC coupled main-beam RF signal input B
13
MC
I
DC coupled main-beam RF signal input C
14
MD
I
DC coupled main-beam RF signal input D
15
SA
—
Not used (Open)
16
SB
—
Not used (Open)
17
TNI
I
DC coupled main-beam RF signal input E
18
TPI
I
DC coupled main-beam RF signal input F
19
MDI1
I
Laser power monitor input
20
MDI2
I
Laser power monitor input
21
LDO2
O
Laser diode (DVD) drive signal output
22
LDO1
O
Laser diode (CD) drive signal output
23
SVDD3
—
Power supply (RF+3.3V)
24
CSO
O
Not used (Open)
25
RFLVL
O
RFRP low pass output
26
SGND
—
Ground
27
V2REFO [2.8V]
O
Reference voltage (2.8V) output
28
V20 [2.0V]
O
Reference voltage (2.0V) output
29
VREFO [1.4V]
O
Reference voltage (1.4V) output
30
FEO
O
Focus error monitor output
31
TEO
O
Tracking error monitor output
32
TEZISLV
O
TE Slicing Level input
33
OP_OUT
O
Op amp output
34
OP_INN
I
Op amp negative input
35
OP_INP
I
Spindle feedback signal input
36
DMO
O
Disc motor control PWM output
37
FMO
O
Feed motor control PWM output
38
TROPENPWM
O
Tray PWM output/Tray open output
39
IOPMON
I
Iop Monitor input
40
TRO
O
Tracking servo control signal output
41
FOO
O
Focus servo control signal output
42
AGND18
—
Ground
43
AVDD18
—
Power supply (+1.8V)
44
USB_DP
I/O
USB port serial data input/output
45
USBDM
I/O
USB port serial data input/output
46
USB_VDD3
—
USB power supply (+3.3V)
47
USB_VSS
—
USB ground
48
PAD_VRT
—
Not used
49
USB_VDD18
—
Power supply (+1.8V)
50
USB_VSS
I
Ground
51
DIR_ERROR/NC
I
DIR PLL error signal input (Not used in this set)
52
DIR_AUDIO/NC
I
DIR audio signal input (Not used in this set)
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