Sony DVP-FX820 / DVP-FX825 Service Manual ▷ View online
7-1
Pin
Name
I/O
Description
number
1
AGND
-
Analog ground
2
DVDA
I
AC coupled input path A
3
DVDB
I
AC coupled input path B
4
DVDC
I
AC coupled input path C
5
DVDD
I
AC coupled input path D
6
DVDRFIP
I
AC coupled DVD RF signal input
7
DVDRFIN
I
AC coupled DVD RF signal input
8
MA
I
DC coupled main-beam RF signal input A
9
MB
I
DC coupled main-beam RF signal input B
10
MC
I
DC coupled main-beam RF signal input C
11
MD
I
DC coupled main-beam RF signal input D
12
SA
I
DC coupled sub-beam RF signal input A
13
SB
I
DC coupled sub-beam RF signal input B
14
SC
I
DC coupled sub-beam RF signal input C
15
SD
I
DC coupled sub-beam RF signal input D
16
CDFON
I
CD focusing error negative input
17
CDFOP
I
CD focusing error positive input
18
TNI
I
3 beam satellite PD signal negative input
19
TPI
I
3 beam satellite PD signal positive input
20
MDI1
I
Laser power monitor input
21
MDI2
I
Laser power monitor input
22
LDO2
O
DVD laser driver output
23
LDO1
O
CD laser driver output
24
SVDD3
-
Analog power 3.3V
25
CSO/RFOP
O
Positive main beam summing output
26
RFLVL/RFON
O
Negative main beam summing output
27
SGND
-
Analog ground
28
V2REFO
O
Reference voltage 2.8V
29
V20
O
Reference voltage 2.0V
30
VREFO
O
Reference voltage 1.4V
31
FEO
O
Focus error monitor output
32
TEO
O
Tracking error monitor output
33
TEZISLV
O
TE slicing level
34
OP_OUT
(-)
N.C.
35
OP_INN
(-)
N.C.
36
OP_INP
(-)
N.C.
37
DMO
O
Disk motor control output. PWM output.
38
FMO
O
Feed motor control. PWM output.
39
TROPENPWM
(-)
N.C.
40
PWMOUT1/V_ADIN9
O
1stGeneral PWM output or Version AD input 9
41
TRO
O
Tracking servo output. PDM output of tracking servo compensator.
42
FOO
O
Focus servo output. PDM output of focus servo compensator.
43
VPLLVSS
-
Analog ground for VPLL
44
CAPPAD
I
Capacitance connection
45
VPLLVDD3
-
Analog 3.3V power for VPLL
46
USB_VSS
-
USB ground pin
47
USBP
(-)
N.C.
48
USBM
(-)
N.C.
SECTION 7
IC PIN FUNCTION DESCRIPTION
DVP-FX820/FX825
7-1. MPEG/DSP/RF PIN FUNCTION (MAIN BOARD IC U7: MT1389HD)
7-2
Pin
Name
I/O
Description
number
49
USB_VDD3
-
USB power pin 3.3V
50
FG/V_ADIN8
I
Version AD input 8
51
TDI/V_ADIN4
I/O
DEBUG1
52
TMS/V_ADIN5
I/O
Version AD input 5
53
TCK/V_ADIN6
I/O
Version AD input 6
54
TDO/V_ADIN7
I/O
Version AD input 7
55
DVDD18
-
1.8V power pin for internal digital circuitry
56
IOA2
I/O
Microcontroller address 2/IO
57
IOA3
I/O
Microcontroller address 3/IO
58
IOA4
I/O
Microcontroller address 4/IO
59
IOA5
I/O
Microcontroller address 5/IO
60
IOA6
I/O
Microcontroller address 6/IO
61
IOA7
I/O
Microcontroller address 7/IO
62
HIGHA0
I/O
Microcontroller address 8
63
IOA18
I/O
Flash address 18/IO
64
IOA19
I/O
Flash address 19/IO
65
DVDD3
-
3.3V power pin for internal digital circuitry
66
IOWR
I/O
Flash write enable, active low/IO
67
A16
I/O
Flash address 16
68
HIGHA7
I/O
Microcontroller address 15
69
HIGHA6
I/O
Microcontroller address 14
70
HIGHA5
I/O
Microcontroller address 13
71
HIGHA4
I/O
Microcontroller address 12
72
HIGHA3
I/O
Microcontroller address 11
73
HIGHA2
I/O
Microcontroller address 10
74
HIGHA1
I/O
Microcontroller address 9
75
IOA20
I/O
Flash address 20/IO
76
IOCS
I/O
Flash chip select, active low/IO
77
IOA1
I/O
Microcontroller address 1/IO
78
IOOE
I/O
Flash output enable, active low/IO
79
AD0
I/O
Microcontroller address/data 0
80
AD1
I/O
Microcontroller address/data 1
81
DVSS
-
1.8V ground pin for internal digital circuitry
82
AD2
I/O
Microcontroller address/data 2
83
AD3
I/O
Microcontroller address/data 3
84
AD4
I/O
Microcontroller address/data 4
85
AD5
I/O
Microcontroller address/data 5
86
AD6
I/O
Microcontroller address/data 6
87
IOA21
I/O
Flash address 21/IO
88
ALE
I/O
Microcontroller address latch enable
89
AD7
I/O
Microcontroller address/data 7
90
DVSS
-
3.3V ground pin for internal digital circuitry
91
A17
I/O
Flash address 17
92
IOA0
I/O
Microcontroller address 0/IO
93
DVDD18
-
1.8V power pin for internal digital circuitry
94
UWR
I/O
Microcontroller write strobe, active low
95
URD
I/O
Microcontroller read strobe, active low
96
DVDD3
-
3.3V power pin for internal digital circuitry
7-3
Pin
Name
I/O
Description
number
97
UP1_2
I/O
Microcontroller port 1-2
98
UP1_3
I/O
TFT SDA
99
UP1_4
I/O
TFT SCL
100
UP1_5
I/O
Microcontroller port 1-5
101
UP1_6
I/O
SCL (Serial clock)
102
UP1_7
I/O
SDA (Serial data)
103
UP3_0
I/O
RXD
104
UP3_1
I/O
TXD
105
UP3_4
I/O
RXD (I2C clock pin)
106
UP3_5
I/O
TXD (I2C data pin)
107
ICE
I
Microcontroller ICE mode enable
108
PRST
I
Power on reset input, active low
109
IR
I
IR control signal input
110
INT0
I/O
Microcontroller external interrupt 0, active low
111
DQM0
I/O
Data mask 0
112
IO_19
I/O
IOA
113
RD7
I/O
DRAM data 7
114
RD6
I/O
DRAM data 6
115
RD5
I/O
DRAM data 5
116
RD4
I/O
DRAM data 4
117
RD3
I/O
DRAM data 3
118
DVDD3
-
3.3V power pin for internal digital circuitry
119
RD2
I/O
DRAM data 2
120
RD1
I/O
DRAM data 1
121
RD0
I/O
DRAM data 0
122
RD15
I/O
DRAM data 15
123
RD14
I/O
DRAM data 14
124
RD13
I/O
DRAM data 13
125
RD12
I/O
DRAM data 12
126
RD11
I/O
DRAM data 11
127
RD10
I/O
DRAM data 10
128
RD9
I/O
DRAM data 9
129
RD8
I/O
DRAM data 8
130
IO_18
I/O
HOME SW
131
DVDD3
-
3.3V power pin for internal digital circuitry
132
DQM1
I/O
Data mask 1
133
RWE
O
DRAM write enable, active low
134
CAS
O
DRAM column address strobe, active low
135
RAS
O
DRAM row address strobe, active low
136
RCS
O
DRAM chip select, active low
137
BA0
I/O
DRAM bank address 0
138
BA1
I/O
DRAM bank address 1
139
RA10
I/O
DRAM address 10
140
RA0
I/O
DRAM address 0
141
RA1
I/O
DRAM address 1
142
DVDD18
-
1.8V power pin for internal digital circuitry
143
RA2
I/O
DRAM address 2
144
RA3
I/O
DRAM address 3
7-4
Pin
Name
I/O
Description
number
145
DVDD3
-
3.3V power pin for internal digital circuitry
146
RCLK
I/O
DRAM clock
147
CKE
O
DRAM clock enable
148
DVSS
-
3.3V ground pin for internal digital circuitry
149
RA11
I/O
DRAM address 11
150
RA9
I/O
DRAM address 9
151
RA8
I/O
DRAM address 8
152
RA7
I/O
DRAM address 7
153
RA6
I/O
DRAM address 6
154
RA5
I/O
DRAM address 5
155
RA4
I/O
DRAM address 4
156
DVDD3
-
3.3V power pin for internal digital circuitry
157
Y7/IO_16
I/O
MCU DBG EN
158
Y6/IO_15
I/O
SYS POW EN
159
Y5/IO_14
I/O
MCU R OUT
160
DVDD18
-
1.8V power pin for internal digital circuitry
161
Y4/IO_13
(-)
N.C.
162
Y3/IO_12
(-)
N.C.
163
Y2/IO_11
I/O
PANEL SW
164
Y1/IO_10
(-)
N.C.
165
Y0/IO_9
(-)
N.C.
166
YUVCLK/IO_8
(-)
N.C.
167
C7/IO_7
(-)
N.C.
168
C6/IO_6
(-)
N.C.
169
C5/IO_5
(-)
N.C.
170
DVDD3
-
3.3V power pin for internal digital circuitry
171
C4/IO_4
(-)
N.C.
172
C3/IO_3
(-)
N.C.
173
C2/IO_2
(-)
N.C.
174
DVDD18
-
1.8V power pin for internal digital circuitry
175
C1/IO_1
(-)
N.C.
176
C0/IO_0
(-)
N.C.
177
IO_17
(-)
N.C.
178
DVSS
-
1.8V ground pin for internal digital circuitry
179
HSYNC/V_ADIN2
(-)
N.C.
180
YUV7
(-)
N.C.
181
VSYNC/V_ADIN1
(-)
N.C.
182
YUV6/R
(-)
N.C.
183
YUV5/B
(-)
N.C.
184
DACVSSA
-
Ground pin for VIDEO DAC circuitry
185
YUV4/G
(-)
N.C.
186
DACVDDA
-
3.3V power pin for VIDEO DAC circuitry
187
YUV3/CVBS
O
Video data output bit 3 (Analog composite output)
188
DACVSSB
-
Ground pin for VIDEO DAC circuitry
189
YUV2/C
O
Video data output bit 2 (Analog chroma output)
190
DACVDDB
-
3.3V power pin for VIDEO DAC circuitry
191
YUV1/Y
O
Video data output bit 1 (Analog Y output)
192
DACVSSC
-
Ground pin for VIDEO DAC circuitry
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