Rec/Pb Amp 1) Schematic Diagram - Sony DSR-50P Service Manual

Portable digital video cassette recorder
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DSR-50/50P
RP-234 (REC/PB AMP 1) SCHEMATIC DIAGRAM • See page 4-7 for RP-234 printed wiring board. • See page 4-147 for waveforms.
1
2
3
RP-234 BOARD (1/2)
A
REC/PB AMP 1
-REF.NO.:30,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
B
CN203
22P
CL205
RF 6V
22
RF 6V
21
CL204
C1ERRP
20
CL135
GND
19
CL134
1.9V
18
1.9V
17
CL133
C
3V
16
3V
15
CL132
5V
14
R220
470k
5V
13
CL131
JC-20 BOARD (7/14)
XCS_TRX
12
CN4401
CL130
THROUGH THE
XCS_TRF
11
CL129
FRJ-1 FLAT CABLE
DRP_SI
10
(SEE PAGE 4-32)
CL128
DRP_SO
9
D
CL127
MSCK
8
CL126
XRST
7
CL125
SWP
6
CL124
CLK150
5
CL123
SC_WD
4
CL122
CONT_E
3
CL121
CONT_O
2
DSWP
1
CL120
E
CN202
22P
CL203
N.C.
22
F
CL202
N.C.
21
HPCK
20
CL119
XTSY
19
CL118
GND
18
XTDT0
17
CL117
XTDT1
16
CL116
GND
15
CL201
CRCK
14
CL115
G
GND
13
JC-20 BOARD (7/14)
CL114
CN4402
TXDT0
12
CL113
THROUGH THE
TXDT1
11
FRJ-1 FLAT CABLE
CL112
TXDT2
10
(SEE PAGE 4-32)
CL111
TXDT3
9
CL110
TXDT4
8
CL109
GND
7
CL200
TXST
6
CL108
H
GND
5
CL107
ATF
4
CL106
CAP_EVR
3
CL105
REEL_EVR
2
CL104
CLK135
1
CL103
I
SIGNAL PATH
VIDEO SIGNAL
AUDIO
SIGNAL
Y/CHROMA
REC
J
PB
REC/PB AMP 1
RP-234 (1/2)
4
5
6
7
XCS_TRX
XCS_TRF
MSI
MSO
XSCK
XRST
SWP
CLK150
CL152
SC_WD
CONT_E
C309
CONT_O
0.1u
C333
3.3u
R309
4V
15
C338
C336
XX
XX
C337
CL400
XX
R348
D301
XX
XX
R343
XX
R351
R349
R352
R350
C303
10k
XX
XX
10u
XX
D302
HPCK
6.3V
XX
C334
XTSY
XTDT0
TRX_TDO
XTDT1
TRX_TDI
TCK
CRCK
TMS
R338
C302
TXDT0
100k
0.01u
TXDT1
TXDT2
Note:Resistor is mounted to the location
TXDT3
where C334 is printed.
TXDT4
TXST
CAP_EVR
REEL_EVR
05
4-11
8
9
10
C315
10u
6.3V
C314
0.01u
R341
0
R0/P1.2
0
2
1
0
0
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
C308
0.01u
1
2.8
C335
C310
XX
0.01u
2.8
L301
XX
0
IC301
0
(Note)
IC301
F712504DPM-TEB
1.7
1
1.3
2.7
1.4
1.4
2.7
2.8
2
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
2
0
C301
0.01u
CL170
11
12
13
14
TCK
TMS
TRX_TDI
SWP
2
17
TRX_TDO
1
CL156
CONT0
R1.9/P0
CL154
RECA2
CL155
R1.9/P0
RECA1
R0.9/P0
CL160
RECCK
2
R339
0
CL161
RECDT
R1.2/P0
0
0
PLLSW
R347
C304
0.01u
0
CL167
PLLMSK
CL166
R0.2/P1.1
CL169
R0.2/P1.4
R0.2/P1.4
R0.2/P1.4
R0.2/P1.4
R0.2/P1.4
R0.2/P1.4
XSCK
MSO
XCS_TRF
2.8
REEL_EVR
CAP_EVR
SWP
4-12
15
16
17
RF6V
5V
1
RP-234 BOARD (2/2)
1-1
1-2
CN201
20P
CL136
1
TCK
CL137
2
TMS
CL138
3
TDI
CL139
4
GND
CL140
N.C.
5
CL141
6
JSWP
CL206
7
GND
CL207
8
RF_MONITOR
CL208
N.C.
9
CL209
10
N.C.
CL210
JIG PIN
N.C.
11
CL142
12
RF_IN
CL143
13
N.C.
CL144
14
N.C.
CL145
15
N.C.
CL211
16
GND
CL146
17
TDO
CL147
18
C1ERRP
CL148
19
N.C.
CL212
20
GND
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
2-10
2-11
2-12
2
2-13
RP-234 BOARD (2/2)
2-14
2-15
GND
2-16
1.9V
3V

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