Sony DVP-NC875V, Service Manual, Page: 65 / 99

5-1
DVP-NC875V
SECTION 5
IC PIN FUNCTION DESCRIPTION
Pin No. Pin name Type Function
1 AGND Ground pin for analog circuitry
2 DVDA Analog Input AC coupled input path A
3 DVDB Analog Input AC coupled input path B
4 DVDC Analog Input AC coupled input path C
5 DVDD Analog Input AC coupled input path D
6 DVDRFIP Analog Input AC coupled DVD RF signal input RFIP
7 DVDRFIN Analog Input AC coupled DVD RF signal input RFIN
8 MA Analog Input DC coupled main-beam RF signal input A
9 MB Analog Input DC coupled main-beam RF signal input B
10 MC Analog Input DC coupled main-beam RF signal input C
11 MD Analog Input DC coupled main-beam RF signal input D
12 SA Analog Input DC coupled sub-beam RF signal input A
13 SB Analog Input DC coupled sub-beam RF signal input B
14 SC Analog Input DC coupled sub-beam RF signal inputC
15 SD Analog Input DC coupled sub-beam RF signal input D
16 SDFON Analog Input CD focusing error negative input
17 SDFOP Analog Input CD focusing error positive input
18 TNI Analog Input 3 beam satellite PD signal negative input
19 TPI Analog Input 3 beam satellite PD signal positive input
20 MDI1 Analog Input Laser power monitor input
21 MDI2 Analog Input Laser power monitor input
22 LDO2 Analog Output Laser driver output
23 LDO1 Analog Output Laser driver output
24 SVDD3 Power Analog 3.3V power
25 CSO Analog Output Central servo
26 RFLVL Analog Output RFRP low pass output
27 SGND Ground Ground pin for analog circuitry
28 V2REFO Analog Output Reference voltage 2.8V
29 V20 Analog Output Reference voltage 2.0V
30 VREFO Analog Output Reference voltage 1.4V
31 FEO Analog Output Focus error monitor output
32 TEO Analog Output Tracking error monitor output
33 TEZISLV Analog Output TE Slicing Level
34 OP_OUT Analog Output OP amp output
35 OP_INN Analog Input OP amp negative input
36 OP_INP Analog Input OP amp positive input
37 DMO Analog Output Disc motor control output.PWM output
38 FMO Analog Output Feed motor control. PWM output
39 TROPENPWM Analog Output Tray PWM output/Tray open output
40 V_ADIN9 Analog Input General A/D input -> Brake for Tray open/close
41 TRO Analog Output PDM output of tracking servo compensator
42 FOO Analog Output PDM output of focus servo compensator
43 USB_VSS Ground Ground pin for USB
44 USBP AI/O USB port DPLUS pin for HS DL
45 USBM AI/O USB port DMINUS pin for HS DL
46 USB_VDD3 Power 3.3V power pin for USB
Input LVTTL
47 SPFG 3.3 V, SMT,PU General A/D input -> Iop Monitor
48 AN0 Analog Input AD input ch0
49 AN1 Analog Input AD input ch1
5-1. SYSTEM CONTROL PIN FUNCTION
(MB-117 BOARD IC102)