Sony HCD-DH50R Service Manual page 54

HCD-DH50R/DH70SWR
• IC Pin Function Description
DMB20 BOARD IC2006 CXD9894R-A (RF AMP, SERVO DSP, MPEG DECODER, AUDIO PROCESSOR)
Pin No. Pin Name
1 OSC
2 RFGC
3 IREF
4 AVDD3
5 AGND
6 DVDA
7 DVDB
8 DVDC
9 DVDD
10 DVDRF IP
11 MA
12 MB
13 MC
14 MD
15 SA
16 SB
17 TNI
18 TPI
19, 20 MDI1, MDI2
21 LDO2
22 LDO1
23 SVDD3
24 CSO
25 RFLVL
26 SGND
27 V2REFO
28 V2O
29 VREFO
30 FEO
31 TEO
32 TEZISLV
33 OPOUT
34 OP_INN
35 OP_INP
36 DMO
37 FMO
38 TROPENPWM
39 IOPMON
40 TRO
41 FOO
42 AGND18
43 AVDD18
44 USB_DP
45 USB_DM
46 USB_VDD3
47 USB_VSS
48 PAD_VRT
49 USB_VDD18
50 USB_VSS
51 USB_XO
52 USB_XI
53 LIMITSW
54 MSW
55 DVDD18
HA2 to HA8, HA18,
56 to 64
HA19
65 DVDD3
54
I/O
O RF offset cancellation capacitor connecting terminal
O RF AGC loop capacitor connecting terminal for DVD-ROM
I Reference current input terminal
- Power supply terminal (+3.3V)
- Ground terminal
I AC coupled input path A
I AC coupled input path B
I AC coupled input path C
I AC coupled input path D
I AC coupled DVD RF signal input from the optical pick-up block
I DC coupled main-beam RF signal input A
I DC coupled main-beam RF signal input B
I DC coupled main-beam RF signal input C
I DC coupled main-beam RF signal input D
I DC coupled sub-beam RF signal input A
I DC coupled sub-beam RF signal input B
I 3 beam satellite PD signal negative input from the optical pick-up block
I 3 beam satellite PD signal positive input from the optical pick-up block
I Laser power monitor input from the optical pick-up block
O Laser diode drive signal output to the optical pick-up block (for DVD)
O Laser diode drive signal output to the optical pick-up block (for CD)
- Power supply terminal (+3.3V)
O Central servo signal output terminal
O RFRP low pass output terminal
- Ground terminal
O Reference voltage (+2.8V) output terminal
O Reference voltage (+2V) output to the optical pick-up block
O Reference voltage (+1.4V) output terminal
O Focus error monitor output terminal
O Tracking error monitor output terminal
O Slice level of tracking error signal output terminal
O Output from the internal operational amplifi er
I Negative input to the internal operational amplifi er
I Spindle motor hall sensor input from the motor driver
O Spindle motor control signal output to the motor driver
O Sled motor control signal output to the motor driver
O Loading motor control signal output to the motor driver
I Power monitor terminal
O Tracking coil control signal output to the coil driver
O Focus coil control signal output to the coil driver
- Ground terminal
- Power supply terminal (+1.8V)
I/O Two-way data (positive) bus with the USB connector
I/O Two-way data (negative) bus with the USB connector
- Power supply terminal (+3.3V)
- Ground terminal
I/O Reference current terminal generated with USB
- Power supply terminal (+1.8V)
- Ground terminal
O System clock output terminal for USB
I System clock input terminal for USB
I Limit detection switch input terminal
O CD/DVD selection signal output terminal
- Power supply terminal (+1.8V)
O Address signal output to the fl ash ROM
- Power supply terminal (+3.3V)
Description
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
"L": CD, "H": DVD