Sony MHC-V3 Service Manual page 74

MHC-V3/V4D
Ver. 1.1
ARAGON BOARD (2/6) IC301 CXD9990R (CD RF AMP FOCUS/TRACKING ERROR AMP CD SYSTEM
PROCESSOR DIGITAL SERVO PROCESSOR) (V4D)
Pin No. Pin Name
1 RF_C
2 RF_D
3 RF_E
4 RF_F
5 AVDD12_2
6 AVDD33_1
7 XTALI
8 XTALO
9 AGND33
10 V20
11 V14/VREF0
12 REXT
13 MDI1
14 LDO1
15 LDO2
16 AVDD33_2
17 DMO
18 FMO
19 CD_VR
20 DVD_VR
21 TRO
22 FOO
23 MSW
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 IFSCK
35 IFSDO
36 RX
37 TX
38 PRST#
39 NC
40 IFSDI
41 IFBSY
42 IFCS#
43 MFISW
44 LIMITSW
45 MUTE
46 EEWP
47 SDA
48 SCL
49 NC
50 DVSS33
51 DVDD33
52 to 55 RD0 to RD3
56 DVDD12
57 to 60 RD4 to RD7
74
I/O
I RF main beam C input from the optical pick-up block
I RF main beam D input from the optical pick-up block
I RF sub beam E input from the optical pick-up block
I RF sub beam F 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
- Power supply terminal (+1.2V)
I/O Two-way data bus with the SD-RAM
Description