Sony HCD-GPX33 Service Manual page 54

HCD-GPX33/GPX55/GPX77/GPX88
MB BOARD (2/9) IC501 CXD90013R (CD RF AMP FOCUS/TRACKING ERROR AMP CD SYSTEM PROCESSOR
DIGITAL SERVO PROCESSOR)
Pin No. Pin Name
1 RFC
2 RFD
3 RFE
4 RFF
5 AVDD12_2
6 AVDD33_1
7 XTALI
8 XTALO
9 AGND33
10 V20
11 V14
12 REXT
13 MDI1
14 LDO1
15 LDO2
16 AVDD33_2
17 DMO
18 FMO
19 TRAY_OPEN
20 TRAY_CLOSE
21 TRO
22 FOO
23 FG
24 USB_DM
25 USB_DP
26 VDD33_USB
27 VSS33_USB
28 PAD_VRT
29 VDD12_USB
30 SF_CS_
31 SF_DO
32 SF_DI
33 SF_CK
34 UP1_6
35 UP1_7
36 GPIO11
37 GPIO6
38 PRST#
39 IR
40 GPIO3
41 GPIO4
42 GPIO13
43 GPIO9
44 GPIO8
45 GPIO7
46 GPIO29
47 GPIO30
48 GPIO31
49 GPIO32
50 DVSS33
51 DVDD33
52 RD0
53 RD1
54 RD2
54
I/O
I RF main beam (A) input from the optical pick-up block
I RF main beam (D) input from the optical pick-up block
I RF sub beam (F) input from the optical pick-up block
I RF sub beam (E) input from the optical pick-up block
- Power supply terminal (+1.2V)
- Power supply terminal (+3.3V)
I System clock input terminal (27 MHz)
O System clock output terminal (27 MHz)
- Ground terminal
O Reference voltage (+2V) output to the optical pick-up block
O Reference voltage (+1.4V) output terminal
I Current reference input terminal Fixed at "L" in this set
I Laser power monitor input from the optical pick-up block
O Laser diode drive signal output to the optical pick-up block
O Laser diode drive signal output to the optical pick-up block
- Power supply terminal (+3.3V)
O Spindle motor control signal output to the motor driver
O Sled motor control signal output to the motor driver
O Muting signal output to the coil/motor driver (for spindle motor)
O CD/DVD selection signal output terminal "L": CD, "H": DVD
O Tracking coil control signal output to the coil driver
O Focus coil control signal output to the coil driver
I Thermal shut down signal input from the coil/motor driver
I/O Two-way audio serial data with the USB controller
I/O Two-way audio serial data with the USB controller
- Power supply terminal (+3.3V)
- Ground terminal
I/O USB generating reference current terminal
- Power supply terminal (+1.2V)
O Chip select signal output to the fl ash ROM
O Serial data output to the fl ash ROM
I Serial data input from the fl ash ROM
O Serial clock signal output to the fl ash ROM
O Serial data transfer clock signal output to the system controller
O Serial data output to the system controller
- Not used
- Not used
I Reset signal input from the system controller "L": reset
I IR control signal input terminal Not used
I Serial data input from the system controller
I Communication initialization request signal input from the system controller
O Communication initialization request acknowledge signal output to the system controller
- Not used
- Not used
O Muting signal output to the coil/motor driver (for focus/tracking coil and sled motor)
- Not used
- Not used
- Not used
- Not used
- Ground terminal
- Power supply terminal (+3.3V)
I/O Two-way data bus with the SD-RAM
I/O Two-way data bus with the SD-RAM
I/O Two-way data bus with the SD-RAM
Description