Ic Pin Function Description; Mpeg/Dsp/Rf Pin Function (Main Board U7: Mt1389Hd) - Sony DVP-FX850 Service Manual

7-1. MPEG/DSP/RF PIN FUNCTION (MAIN BOARD U7: MT1389HD)

Pin
Name
number
1 AGND
2 DVDA
3 DVDB
4 DVDC
5 DVDD
6 DVDRFIP
7 DVDRFIN
8 MA
9 MB
10 MC
11 MD
12 SA
13 SB
14 SC
15 SD
16 CDFON
17 CDFOP
18 TNI
19 TPI
20 MDI1
21 MDI2
22 LDO2
23 LDO1
24 SVDD3
25 CSO
26 RFLVL
27 SGND
28 V2REFO
29 V20
30 VREFO
31 FEO
32 TEO
33 TEZISLV
34 OP_OUT
35 OP_INN
36 OP_INP
37 DMO
38 FMO
39 TROPENPWM
40 PWMOUT1 /V_ADIN9
41 TRO
42 FOO
43 VPLLVSS
44 CAPPAD
45 VPLLVDD3
46 USB_VSS
47 USBP
48 USBM
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SECTION 7

IC PIN FUNCTION DESCRIPTION

I/O
- Analog ground
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
I TP45
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 DC coupled sub-beam RF signal input C
I DC coupled sub-beam RF signal input D
I TP52
I TP53
I 3 beam satellite PD signal negative input
I 3 beam satellite PD signal positive input
I Laser power monitor input
I Laser power monitor
O Laser driver output
O Laser driver output
- Analog power 3.3V
O Positive main beam summing output
O Negative main beam summing output
- Analog ground
O Reference voltage 2.8V
O Reference voltage 2.0V
O Reference voltage 1.4V
O Focus error monitor output
O Tracking error monitor output
O TE Slicing Level
O TP162
I TP163
I TP164
O Disk motor control output. PWM output.
O Feed motor control. PWM output.
(-) N.C.
O 1stGeneral PWM output, or Version AD input 9
O Tracking servo output. PDM output of tracking servo compensator
O Focus servo output. PDM output of focus servo compensator
- Analog ground for VPLL
I Capacitance connection
- Analog 3.3V Power for VPLL
- USB ground pin
I USB port DPLUS analog pin
I USB port DMINUS analog pinPin
Description
7-1
DVP-FX850