Sony XAV-A1 Service Manual page 72

XAV-A1
• IC Pin Function Descripition
SERVO BOARD IC1102 M3356-A1G (PG) (CD/DVD DSP, MPEG DECODER)
Pin No. Pin Name
1 VD33
2 TVDAC3
3 TVDAC2
4 XIREF1
5 XIDUMP
6 XIEXT
7 TVDAC1
8 TVDAC0
9 GND
10 VD33
11 LOAD+
12 LOAD-
13 EJECT
14 VDD33
15 INSIDE SW
16 GND
17 CD_DVDCT
18 SENS-A
19 VD18
20 SENS-B
21 GND
22 DRVSB
23 VDD3
24 XSBLPFO
25 XCELPFO
26 AVDD
27 XFELPFO
28 XTELPFO
29, 30 AVSS
31 XTELP
32 XTEXO
33 AVDD
34 XVREF21
35 XBIASR
36 XDVDPD
37 AVSS
38 XCDPD
39 XDVDLD
40 XDVDCD
41 AVSS
XPDAUX2,
42, 43
APDAUX1
44 XCD_F
45 XCD_E
46 XCD_D
72
I/O
-
Power supply terminal (+3.3V)
O
RGB (blue) signal output terminal
O
RGB (red) signal output terminal
O External capacitor connection terminal
O
Dump current output terminal
O
Reference generation register terminal
O
Video signal output terminal
O RGB (green) signal output terminal
-
Ground terminal
-
Power supply terminal (+3.3V)
O
Loading motor drive signal output terminal
O Loading motor drive signal output terminal
I
Eject control signal input from the system controller
-
Power supply terminal (+3.3V)
Limit in detection signal input from the DVD chassis assy
I
The optical pick-up is inner position when "H"
-
Ground terminal
O
DVD/CD selection signal output to the DVD chassis assy
I
Disc in detection sensor input terminal
-
Power supply terminal (+1.8V)
I Disc size detection sensor input terminal
-
Ground terminal
O
Standby signal output to the spindle motor driver
-
Power supply terminal (+3.3V)
O Output terminal for the external low-pass filter of SBAD signal
O
Output terminal for the external low-pass filter of center error signal
-
Power supply terminal (+3.3V)
O
Output terminal for the external low-pass filter of focus error signal
O Output terminal for the external low-pass filter of tracking error signal
-
Ground terminal
I
Input terminal for the external low-pass filter of tracking error signal
O
Tracking error signal output terminal
- Power supply terminal (+3.3V)
O
Reference voltage (+2.1V) output to the DVD chassis assy
I/O
Internal bias current input/output terminal
I
Laser diode monitor (for DVD) input from the DVD chassis assy
- Ground terminal
I
Laser diode monitor (for CD) input from the DVD chassis assy
O
Laser diode control signal (for DVD) output terminal
O
Laser diode control signal (for CD) output terminal
- Ground terminal
O
Analog test terminal
I
Photo detector signal input for CD sub-beam from the DVD chassis assy
I
Photo detector signal input for CD sub-beam from the DVD chassis assy
I
Photo detector signal input for CD servo signal from the DVD chassis assy
Description