Sony DVP-M50 Service Manual ▷ View online
DVP-M50
IC202
(MOTOR)
IC502
(SDRAM)
IC503
(SDRAM)
IC505
(EEPROM)
IC510
(BUFFER)
IC5A1
(FLASH)
IC601
(CS4391)
IC602
(AMP)
IC604
(MM1623XFBE)
Pin
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
IC201
(MT1336E)
2.2
2.2
2.2
2.2
1.7
1.7
0
1.3
5.1
0.9
0.9
1.0
1.0
5.1
2.1
2.1
0
0
0
5.1
1.0
1.0
0.2
0.2
5.1
3.7
2.1
0
IC501
(MT1379)
1.2
0
1.7
1.2
0
0
0.1
3.2
0
1.5
3.3
1.4
1.5
1.3
0
2.5
2.5
0
0.1
2.4
2.4
2.4
1.5
1.5
0
1.0
1.4
1.3
1.0
3.3
1.2
0.5
0.9
0.9
0
0
2.5
2.5
0.8
2.4
0.9
1.0
1.0
0.8
0
1.4
1.0
1.6
1.6
3.3
IC202
(MOTOR)
IC502
(SDRAM)
IC503
(SDRAM)
IC505
(EEPROM)
IC510
(BUFFER)
IC5A1
(FLASH)
IC601
(CS4391)
IC602
(AMP)
IC604
(MM1623XFBE)
IC201
(MT1336E)
Pin
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
IC501
(MT1379)
1.6
0.1
1.6
0
0
0
0
3.3
3.2
1.3
1.3
2.4
0
0.7
3.2
0.6
0
3.2
3.2
0.3
0
0
0
0
2.7
3.1
3.0
0
0
0
3.0
2.4
3.0
3.3
3.3
0
1.6
0
0
0
0
3.3
0
0
0
0
1.6
0
0
2.1
4-21
4-22
CIRCUIT VOLTAGE CHART
DVP-M50
IC202
(MOTOR)
IC502
(SDRAM)
IC503
(SDRAM)
IC505
(EEPROM)
IC510
(BUFFER)
IC5A1
(FLASH)
IC601
(CS4391)
IC602
(AMP)
IC604
(MM1623XFBE)
IC201
(MT1336E)
Pin
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
IC501
(MT1379)
1.5
1.4
1.4
1.4
1.4
1.9
1.9
1.4
1.5
1.5
2.8
3.3
0.6
0.6
1.5
1.5
Q201
0
5.1
0
E
C
B
Q202
0
0
5.1
Q203
0
0.2
0
Q204
4.4
2.4
3.7
Q205
5.1
0
5.1
Q501
0
0
0.8
Q600
0
-1.3
5.1
Q601
0
0
0.8
Q603
0
0
0.8
Q604
0
0
0.8
Q605
0
0
0.8
Q606
0
5.1
0
Q651
0
12.0
0.2
AV-079
BOARD
37.0 ns
4.0 Vp-p
1
IC501
<z,n
H
1.5 Vp-p
2
IC604
qh
H
2.0 Vp-p
7
IC604
wh
H
1.5 Vp-p
3
IC604
qk
160.6 ns
5.0 Vp-p
8
IC901
7
H
1.5 Vp-p
4
IC604
w;
H
2.1 Vp-p
5
IC604
wa
H
2.6 Vp-p
6
IC604
wd
CIRCUIT VOLTAGE CHART/WAVEFORMS
4-11.WAVEFORMS
4-23
4-24E
5-1
DVP-M50
SECTION 5
IC PIN FUNCTION DESCRIPTION
5-1. DST/MPEG PIN FUNCTION (IC501: MT1379DEC)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Pin Name
IREF
PLLVSS
LPIOP
LPION
LPFON
LPFIP
LPFIN
LPFOP
JITFO
JITFN
PLLVDD3
FOO
TRO
TROPENPWM
PWMOUT1
PWMOUT2
DVDD2
DMO
FMO
DVSS
FG
HIGHA0
HIGHA1
HIGHA2
HIGHA3
HIGHA4
HIGHA5
DVSS
HIGHA6
HIGHA7
AD7
AD6
AD5
AD4
DVDD3
AD3
AD2
AD1
AD0
IOA0
IOA1
DVDD2
IOA2
IOA3
IOA4
IOA5
IOA6
IOA7
A16
A17
I/O
I
–
O
O
O
I
I
O
O
I
–
O
O
O
O
O
–
O
O
–
I
I
I
I
I
I
I
–
I
I
I
I
I
I
–
I
I
I
I
I
I
–
I
I
I
I
I
I
O
O
Function
Current reference input
Ground pin for data PLL and related analog circuitry
Positive output of the low pass filter
Negative output of the low pass filter
Negative output of loop filter amplifier
Positive input of loop filter amplifier
Negative input of loop filter amplifier
Positive output of loop filter amplifier
RF jitter meter output
Negative input of the OP amp for RF jitter meter
3.3V power pin for data PLL
Focus servo output
Tracking servo output
Tray open output, controlled by microcontroller
The 1st general PWM output
The 2nd general PWM output
2.5V power pin for internal fully digital circuitry
Disk motor control output
Feed motor control
Ground pin for internal fully digital circuitry
Motor hall sendor input
Microcontroller address 8
Microcontroller address 9
Microcontroller address 10
Microcontroller address 11
Microcontroller address 12
Microcontroller address 13
Ground pin for internal digital circuitry
Microcontroller address 14
Microcontroller address 15
Microcontroller address / data 7
Microcontroller address / data 6
Microcontroller address / data 5
Microcontroller address / data 4
3.3V power pin for internal digital circuitry
Microcontroller address / data 3
Microcontroller address / data 2
Microcontroller address / data 1
Microcontroller address / data 0
Microcontroller address 0 / IO
Microcontroller address 1 / IO
2.5V power pin for internal digital circuitry
Microcontroller address 2 / IO
Microcontroller address 3 / IO
Microcontroller address 4 / IO
Microcontroller address 5 / IO
Microcontroller address 6 / IO
Microcontroller address 7 / IO
Flash address 16
Flash address 17
5-2
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Pin Name
IOA18
IOA19
IOA20
APLLVSS
APLLVDD3
ALE
IOOE#
IOWR#
IOCS#
DVSS
UP1_2
UP1_3
UP1_4
UP1_5
UP1_6
DVDD3
UP1_7
UP3_0
UP3_1
INT0#
IR
DVDD2
UP3_4
UP3_5
UWR#
URD#
DVSS
RD7
RD6
RD4
RD4
DVDD2
RD3
RD2
RD1
RD0
RWE#
CAS#
RAS#
RCS#
BA0
DVSS
RD15
RD14
RD13
RD12
DVDD3
RD11
RD10
RD9
I/O
I
I
I
–
–
I
I
I
I
–
I
I
I
I
I
–
I
I
I
I
I
–
I
I
I
I
–
I
I
I
I
–
I
I
I
I
O
O
O
O
O
–
I
I
I
I
–
I
I
I
Function
Flash address 18 / IO
Flash address 19 / IO
Flash address 20 / IO
Ground pin for audio clock circuitry
3.3V power pin for audio clock circuitry
Microcontroller address latch enable
Flash output enable, active low / IO
Flash write enable, active low / IO
Flash chip select, active low / IO
Ground pin for internal digital circuitry
Front u-com clock
Audio 6DAC clock
Audio 6DAC data
Front u-com transfer data
Serial clock
3.3V power pin for internal digital circuitry
Serial data
Audio 6DAC chip select
Front u-com read data
Microcontroller interrupt 0, active low
IR control input
2.5V power pin for internal digital circuitry
For PC Download (RS232C)
For PC Download (RS233C)
Microcontroller write strobe, active low
Microcontroller read strobe, active low
Ground pin for internal digital circuitry
DRAM data 7
DRAM data 6
DRAM data 5
DRAM data 4
2.5V power pin for internal digital circuitry
DRAM data 3
DRAM data 2
DRAM data 1
DRAM data 0
DRAM write enable, active low
DRAM column address strobe, active low
DRAM row address strobe, active low
DRAM chip select, active low
DRAM bank address 0
Ground pin for internal digital circuitry
DRAM data 15
DRAM data 14
DRAM data 13
DRAM data 12
3.3V power pin for internal digital circuitry
DRAM data 11
DRAM data 10
DRAM data 9
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