Video In 3) Schematic Diagram - Sony DSR-50P Service Manual

VD-28 (VIDEO IN 3) SCHEMATIC DIAGRAM • See page 4-71 for VD-28 printed wiring board. • See page 4-150, 151 for waveforms.
1
2 3 4
VD-28 BOARD (6/15)
A
VIDEO IN 3
-REF.NO.:10,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
B
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y Y/CHROMA
REC
C
48-1
48-2
48
VD-28 BOARD (5/15)
GND
48-3
D
48-4
4.9
R197
E 100
0
Q124
2SC4081T106R
-0.6
4.9
R201
100
2.1
Q126
F
38-1
2SC4081T106R
R192 R195
150 150
1.5
38 42
VD-28 BOARD (4/15)
R211
38-2
1k
2SC4081T106R
*L114
15uH :DSR-50
L114
12uH :DSR-50P
G
30p
27p
R206 R208
2200 4700
H
42-1
4.9
R198
100
0
42-2
Q125
2SC4081T106R -0.6
4.9
I
2.1
Q127
2SC4081T106R
R202
100
1.4
44
42
R209 R212
VD-28 BOARD (4/15) 1k
1200
R196
R193
150 150
2SC4081T106R
J
15uH
12uH
R207 R1021
2200 3300
K
05
42-3
5 6 7 8
4.9
4.9 0
0
8 7 6 5
Q133
2SC4081T106R -0.6
R1032 C1028
IC116
47k 39p
IC116 R236
CXA1521M-T4
680
39
FL103
2 3 4
1
1 2 3 4
R229 R234
C207
12 10 9
0 -4.9 15k 1k
47u
4V
R230 R232
C209
12k 8200
C217
0.1u
0.1u
R217 C214
10k 0.1u
R287
IC117
560
C220 IC117
22u MM1111XFBE
6.3V
2.7
4.9
4.9 2 2
R226
2200
Q141
C221 2.7 4.9
22u 2SC4081T106R
6.3V
1.3
4.9
1.4
Q129
0.8 1.4
0.8 R285
R220
2200
470
Q131
L116
*
* 2SA1576A
-T106-R
C210 C215 -4.9 C227
:DSR-50 * 0.1u
:DSR-50P
R218
4700
*L116 *C215
8.2uH :DSR-50 15p :DSR-50
6.8uH :DSR-50P 12p :DSR-50P
R227
2200
IC118
R288
560
IC118
C222
MM1111XFBE
22u
6.3V
2.7
4.9
4.9 2 2
C223
2.7 4.9 Q142
22u 2SC4081T106R
6.3V
1.3
4.9
-0.2
Q130
-0.8 -0.2
-0.8 Q132
L115 2SA1576A-T106-R
R286
R221
:DSR-50 2200
*L117
470
:DSR-50P -4.9
L117 8.2uH :DSR-50
* 6.8uH :DSR-50P
C211 *C216
C228
C216
30p :DSR-50 15p :DSR-50
0.1u
*
27p :DSR-50P 12p :DSR-50P
R219
4700
4-85
9 10 11 12
R254
40
2200
CL129
DL102
0.6 4.9
C260
-4.9
22u
5 6 5 6 8 9 4V
1 2 3 4 7 0.3 0.3
0.3
7 18 16 15 13 12 10
-0.2 IC125
Q136
IC125
R253
2SA1576A LM7131BCM5X
680
-T106-R
-4.9
C267
0.1u
R238 R240 IC120 R245
2200 18k
18k
IC120
TK16074MTL
FL104
C230
1 2 3 4 5 6 7 8 9
47u
4V
18 16 15 13 12 10 2.9 2.8
6 5 4
Q137
2SC4081T106R
1.3 2.9
0.7
Q134
-4.9
2SA1576A
-T106-R
1 2 3
4.8 2.9
R300 R241
27k
560
C235
0.1u
R239 R242
18k IC121
2200
IC121
TK16074MTL
FL105
C231
47u
4V
R247
2 4 5 6 9 18k
1 3 7 8
2.9 2.8
6 5 4
10
18 16 15 13 12
1.3
0.7 2.9
Q135
-4.9
2SA1576A
-T106-R
1 2 3
4.9 2.9
R301
560 R243
27k
C236
0.1u
13 14 15 16
IC126
IC126
C279
*R294 *R296 MM1115XFBE
22u
330 :DSR-50 470 :DSR-50
6.3V
270 :DSR-50P 560 :DSR-50P 2.4
R0/P5 1.7 1.7
R294 R296
* * Q149
2.6 4.9
2SC4081T106R
C280
22u 41
R293 R1027
820 6.3V
680
C272 C1026
0.1u 22p
C285
0.1u
IC122
C241
IC122 4.9
47u
CXA1211M-T4
4V
2
Q144
2SC4081T106R 1.4
4.9 2
8 7 6 5
4.9
43
1 4.9
C281 -4.9
22u
4V
0.2 0.2
R278
CL133
10k
1 2 3 4
2.5 2 IC128
IC128
R279
R255 C243 C251 R282 R304 R310 C287
LM7131BCM5X
4700 0.1u 0.1u 22k 10k 4700
22k 0.1u
C284
0.1u
4.9
2
Q145
2SC4081T106R 1.4
4.9
45
Q138
2SC4081T106R
1.2
2.3
C283 -4.9
22u
4V
0.3
C242 R280
CL134
47u
10k
4V
IC129
R256 C252 R281 R283 R305 R311 IC129
22k 10k
4700 0.1u 4700 22k LM7131BCM5X
C286
0.1u
4-86
DSR-50/50P
17 18 19
26
DIG/XANA
VD-28 BOARD (3/15)
22
GEN_REF_Y
VD-28 BOARD (2/15)
VIDEO_+5V
L121
10uH
50
4.9
VD-28 BOARD (14/15)
1.1
C290
C294
100u
0.01u
6.3V
GND
L122
10uH
VIDEO_-5V
C291 C295
100u
0.01u
6.3V
REC_Y
L123
10uH
AFC_Y
REC_CB
R315
2200
R316
100 51
VD-28 BOARD (7/15)
C296
R317 C298
100u
680 0.01u
6.3V
C297 C299
100u
0.01u
6.3V
L124
10uH
REC_CR
R319
2200
4.9
R320
100
0.3
C1023
C293 R321
100u
0.1u 680
6.3V
C1024
100u
6.3V
VIDEO IN 3
VD-28 (6/15)