Sony HCD-GPX5G Service Manual page 58

HCD-GPX5G/GPX7G/GPX8G
DMB22 BOARD (2/3) IC501 CXD90013R
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19 TRAY_OPEN
20 TRAY_CLOSE
21
22
23
24
25
26 VDD33_USB
27 VSS33_USB
28
29 VDD12_USB
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
58
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Pin Name I/O
RFC I RF main beam (A) input from the optical pick-up block
RFD I RF main beam (D) input from the optical pick-up block
RFE I RF sub beam (F) input from the optical pick-up block
RFF I RF sub beam (E) input from the optical pick-up block
AVDD12_2 - Power supply terminal (+1.2V)
AVDD33_1 - Power supply terminal (+3.3V)
XTALI I System clock input terminal (27 MHz)
XTALO O System clock output terminal (27 MHz)
AGND33 - Ground terminal
V20 O Reference voltage (+2V) output to the optical pick-up block
V14 O Reference voltage (+1.4V) output terminal
REXT I Current reference input terminal Fixed at "L" in this set
MDI1 I Laser power monitor input from the optical pick-up block
LDO1 O Laser diode drive signal output to the optical pick-up block
LDO2 O Laser diode drive signal output to the optical pick-up block
AVDD33_2 - Power supply terminal (+3.3V)
DMO O Spindle motor control signal output to the motor driver
FMO 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
TRO O Tracking coil control signal output to the coil driver
FOO O Focus coil control signal output to the coil driver
FG I Thermal shut down signal input from the coil/motor driver
USB_DM I/O Two-way audio serial data with the USB controller
USB_DP I/O Two-way audio serial data with the USB controller
- Power supply terminal (+3.3V)
- Ground terminal
PAD_VRT I/O USB generating reference current terminal
- Power supply terminal (+1.2V)
SF_CS_ O Chip select signal output to the fl ash ROM
SF_DO O Serial data output to the fl ash ROM
SF_DI I Serial data input from the fl ash ROM
SF_CK O Serial clock signal output to the fl ash ROM
UP1_6 O Serial data transfer clock signal output to the system controller
UP1_7 O Serial data output to the system controller
GPIO11 - Not used
GPIO6 - Not used
PRST# I Reset signal input from the system controller "L": reset
IR I IR control signal input terminal Not used
GPIO3 I Serial data input from the system controller
GPIO4 I Communication initialization request signal input from the system controller
GPIO13 O Communication initialization request acknowledge signal output to the system controller
GPIO9 - Not used
GPIO8 - Not used
GPIO7 O Muting signal output to the coil/motor driver (for focus/tracking coil and sled motor)
GPIO29 - Not used
GPIO30 - Not used
GPIO31 - Not used
GPIO32 - Not used
DVSS33 - Ground terminal
DVDD33 - Power supply terminal (+3.3V)
RD0 I/O Two-way data bus with the SD-RAM
RD1 I/O Two-way data bus with the SD-RAM
RD2 I/O Two-way data bus with the SD-RAM
RD3 I/O Two-way data bus with the SD-RAM
DVDD12 - Power supply terminal (+1.2V)
RD4 I/O Two-way data bus with the SD-RAM
RD5 I/O Two-way data bus with the SD-RAM
RD6 I/O Two-way data bus with the SD-RAM
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