Sony DVP-FX94 / DVP-FX950 / DVP-FX950WM / DVP-FX955 Service Manual ▷ View online
5.Video output waveform (CVBS)
6.Video output waveform (Y/C)
7.RF waveform
4.Audio output from IC(L/R)
AUDIO OUT (J6 PIN2)
DIN(U11 PIN6)
Y FB20
C FB19
DVDRFIP (U6 PIN 125)
DVP-FX94/FX950/FX950WM/FX955
5-2
5-2. CIRCUIT VOLTAGE CHART
PIN STOP(V) PLAY(V) PIN STOP(V) PLAY(V) PIN STOP(V) PLAY(V) PIN STOP(V) PLAY(V)
1
2.031
2.109
33
0.026
0.012
65
2.42
2.344
97
0
0
2
2.032
2.125
34
2.97
2.967
66
1.484
1.486
98
2.858
2.847
3
2.032
2.115
35
2.851
2.847
67
0.033
0.033
99
2.867
2.856
4
2.03
2.11
36
0.113
0.356
68
3.252
3.253
100
3.248
3.248
5
2.025
2.267
37
1.406
1.542
69
0.048
0.048
101
0
0.11
6
2.029
2.242
38
0.916
0.812
70
0.043
0.045
102
1.256
1.25
7
1.801
1.801
39
1.009
1.022
71
0.255
1.569
103
0
0
8
3.251
3.251
40
3.249
3.249
72
0.255
1.544
104
2.638
2.641
9
0.881
0.881
41
3.249
3.249
73
0.302
1.536
105
3.248
3.248
10
0.881
0.881
42
0
0
74
0.311
1.47
106
3.248
3.248
11
0
0
43
3.244
3.244
75
3.085
3.169
107
0.408
0.407
12
2.03
2.034
44
2.912
2.912
76
2.904
2.917
108
0.7
0.699
13
1.417
1.418
45
1.232
1.221
77
3.149
3.108
109
0.789
0.787
14
0.592
0.591
46
0.907
0.948
78
0.304
1.63
110
0
0
15
0
0.175
47
1.117
1.112
79
0
0
111
1.16
1.159
16
0
0.176
48
1.315
1.302
80
0.313
1.664
112
3.126
3.125
17
3.275
2.419
49
1.288
1.265
81
0.04
0.055
113
0
0
18
3.275
3.247
50
3.252
3.252
82
0.248
0.393
114
3.255
3.254
19
3.251
3.251
51
0.655
0.712
83
0.302
2.325
115
3.249
3.249
20
1.416
1.861
52
0.684
0.677
84
3.253
3.252
116
1.758
1.712
21
1.415
1.387
53
0.786
0.814
85
0.29
2.289
117
0
0
22
3.176
3.176
54
1.802
1.802
86
0.305
1.577
118
1.6
1.6
23
3.181
3.181
55
2.418
2.342
87
3.253
3.252
119
1.566
1.363
24
1.421
1.418
56
0.787
0.816
88
3.253
3.252
120
1.506
1.336
25
1.415
1.615
57
1.384
1.454
89
3.253
3.252
121
3.24
3.24
26
2.751
2.74
58
1.469
1.505
90
1.803
1.804
122
3.24
3.24
27
0
0
59
1.205
1.215
91
0.073
0.013
123
1.801
1.801
28
0
0
60
0
0
92
0
0
124
0
0
29
3.252
3.252
61
1.441
1.451
93
3.253
3.252
125
0.985
0.981
30
0
0
62
1.235
1.212
94
0
0
126
0.985
0.983
31
0.785
0.784
63
0.898
0.899
95
4.783
4.776
127
2.563
1.771
32
1.801
1.801
64
1.271
1.272
96
0
0.006
128
2.564
1.749
U6(MT1389LP)
U6(MT1389LP)
U6(MT1389LP)
U6(MT1389LP)
DVP-FX94/FX950/FX950WM/FX955
5-3
PIN STOP(V) PLAY(V) PIN STOP(V) PLAY(V) PIN STOP(V) PLAY(V) PIN STOP(V) PLAY(V) PIN STOP(V) PLAY(V)
1
3.211
3.251
28
0
0
1
1.356
1.382
1
4.779
4.776
1
0
0
2
1.721
1.75
29
2.11
2.112
2
5.143
5.13
2
1.203
1.878
2
2.877
2.868
3
3.225
3.201
30
2.13
2.114
3
0.815
0.845
3
0.694
0.698
3
2.582
2.572
4
1.475
1.512
31
2.221
2.14
4
1.35
1.499
4
0.666
0.666
4
2.557
2.556
5
1.732
1.74
32
2.179
2.173
5
0.813
0.846
5
1.442
1.952
5
0
0
6
0
0
33
0.184
0.198
6
0
0
6
0.788
0.746
6
2.581
2.571
7
1.744
1.975
34
0.195
0.199
7
0
0
7
0.788
0.786
7
4.02
4.016
8
1.704
1.754
35
0.6
0.153
8
5.164
5.152
8
0
0
8
0
0
9
3.221
3.212
36
0
0
9
0
0
9
0.388
0.387
9
2.604
2.602
10
1.085
1.218
37
3.205
3.21
10
0
0
10
0.404
0.403
10
5.215
5.21
11
1.193
1.235
38
1.432
1.432
11
2.502
3.29
11
0
0
11
2.598
2.596
12
0
0
39
2.73
2.679
12
2.51
1.71
12
1.847
1.875
12
0
0
13
1.302
1.35
40
0
0
13
2.493
2.26
13
1.768
1.834
13
2.673
2.675
14
3.201
3.211
41
0
0
14
2.494
2.692
14
0.529
0.29
14
2.599
2.594
15
2.72
2.684
42
1.65
1.665
15
2.512
2.467
15
0
0
15
5.215
5.206
16
3.146
3.132
43
3.211
3.221
16
2.503
2.574
16
5.212
5.212
16
2.602
2.599
17
2.945
2.937
44
1.31
1.395
17
2.522
2.338
18
3.091
3.082
45
1.642
1.652
18
2.511
2.614
19
0
0
46
0
0
19
5.162
5.157
PIN STOP(V) PLAY(V) PIN STOP(V) PLAY(V) PIN STOP(V) PLAY(V)
20
2.174
2.221
47
1.812
1.864
20
0
0
1
0.664
0.661
1
0
0
1
0
0
21
2.371
2.274
48
1.592
1.663
21
2.553
2.543
2
1.92
1.87
2
0
0
2
0
0
22
0.215
0.219
49
3.211
3.221
22
0
0
3
3.22
3.251
3
0
0
3
0
0
23
0.738
0.717
50
1.765
1.832
23
1.352
1.302
4
0
0
4
4.6
4.596
4
0
0
24
2.705
2.645
51
1.672
1.783
24
0
0
5
1.61
1.65
5
0
0
5
3.263
3.261
25
2.7
2.641
52
0
0
25
5.148
5.137
6
1.18
1.19
6
0
0
6
3.263
3.263
26
2.261
2.21
53
1.211
1.305
26
1.356
1.342
7
3.22
3.251
7
0
0
7
0
0
27
3.204
3.21
54
0
0
27
1.354
1.356
8
3.22
3.251
8
5.115
5.11
8
3.267
3.266
28
3.12
3.126
U8(SDRAM)
U8(SDRAM)
U7(AM5888)
U9(EEPROM)
U11(PT2328)
U13(APA2068KA)
U10(FLASH)
U14(4558)
DVP-FX94/FX950/FX950WM/FX955
5-4E
Pin Number
Name
I/O
Description
1
RFA
I RF main beam input A
2
RFB
I RF main beam input B
3
RFC
I RF main beam input C
4
RFD
I RF main beam input D
5
RFE
I RF sub beam input E
6
RFF
I RF sub beam input F
7
AVDD18
- Analog 1.8V power
8
AVDD33
- Analog 3.3V power
9
XTALI
I 27MHz crystal input
10
XTALO
O 27MHz crystal output
11
AGND
- Analog Ground
12
V20
O Reference voltage 2.0V
13
V14
O Reference voltage 1.4V
14
REXT
I Current reference input. It generates reference current for RF path.
15
MDI1
I Laser power monitor input
16
MDI2
I Laser power monitor input
17
LDO1
O Laser driver output
18
LDO2
O Laser driver output
19
AVDD33
- Analog 3.3V power
20
DMO
O Disk motor control output. PWM output
21
FMO
O Feed motor control. PWM output
22
TRAY_OPEN
O Tray PWM output/Tray open output
23
TRAY_CLOSE
O Tray PWM output/Tray close output
24
TRO
O Tracking servo output. PDM output of tracking servo compensator
25
FOO
O Focus servo output. PDM output of focus servo compensator
26
FG/GPIO2
- GPIO
27
USB_DP
I USB port DPLUS analog pin
28
USB_DM
I USB port DMINUS analog pin
29
USB_V33
- Digital IO Power 3.3V
30
USB_GND
- Digital IO Ground
31
PAD_VRT
I USB generating reference current
32
USB_V18
- USB power pin 1.8V
33
GPIO3/INT#
O General purpose IO 3
34
GPIO4
I/O General purpose IO 4
35
GPIO6
O General purpose IO 6
36
SF_CS_
I/O Serial Flash Chip Select
37
SF_DO
I/O Serial Flash Dout
38
SF_DI
I/O Serial Flash Din
39
SF_CK
I/O Serial Flash Clock
40
UP1_6/SCL
I/O I2C clock pin
41
UP1_7/SDA
I/O I2C data pin
42
ICE
I Microcontroller ICE mode enable
43
PRST#
I Power on reset input, active low
44
IR
I IR control signal input
45
RD0
I/O DRAM data 0
46
RD1
I/O DRAM data 1
47
RD2
I/O DRAM data 2
48
RD3
I/O DRAM data 3
49
RD4
I/O DRAM data 4
50
DVDD33
- 3.3V power pin for internal digital circuitry
DVP-FX94/FX950/FX950WM/FX955
6-1
6-1. MPEG/DSP/RF PIN FUNCTION (MAIN BOARD U6: MT1389LP)
SECTION 6
IC PIN FUNCTION DESCRIPTION
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