Sony DSR-20MD Service Manual page 33

RP-228 (REC/PB AMP) SCHEMATIC DIAGRAM • See page 4-7 for RP-228 printed wiring board.
1
2 3 4
RP-228 BOARD (2/2)
A REC/PB AMP
-REF.NO.:3,000 SERIES- 1-1
XX MARK:NO MOUNT
1-2
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
RF_5V
B
5V
C
D
1-3
1-4
E
RP_3.1V
F
1-5
1-6
1-7
GND
L789
10uH
RP_3.1V
G
1
TO RP-228 BOARD (1/2)
(SEE PAGE 4-12)
H
V1
V2
I
R316
L783
10k
10uH
C875
10u
6.3V
C855
10u
10V
J
R9
1-8
C874
0.01u
C851
XX
C853
0.01u
R1
K
C854
10u
10V
L C850
0.01u
GND
M
1-9
RP_3.1V
1-10
N
1-11
05
• See page 4-119 for waveforms.
5 6 7 8
C814 C818
0.001u
0.01u
C811
0.47u
R206 R799
1k 2200
R796
100
R792
270
R800
10k
D776
XX
C815
0.001u
L779
0.47uH
5%
R13
R14
T6
T5
T4
T3
Q779
2SD2216J-QR(TX).SO
R0.6/P3
C829
R0.4/P1.8
10u
R0.6/P3 4V
R824
R818 1k
C859
22k
R821 R0/P1.2 0.01u
XX R147
C857
100p 0
R820
CH R827
33 R0.4/
1k
P1.8
R0.4/P1.8
R832
68
Q778
2SD2216J-QR(TX).SO
LND3
A
LND4
A LND5
A
C146
R144
LND6
0.01u
6800
A
R143
10k
RF_RPPS
L784
10uH
16 15 14 13 12 11 10 9
R849
390
5 R850
330 0.5%
R3/P0
0.5%
R3.6/P1.8
3.1
R3.6/P1.8
R4.4/P3.1
IC777
9
R851
4.9
IC777 330
0.5%
R1.3/P1.6
CXA2018Q-T4
R3.6/P1.8
3.1
6
R3.6/P1.8
R852
390
7
0.5%
8
25 26 27 28 29 30 31 32
LND7
A
LND8
C148
LND1
0.01u
A
A
LND2
A
4-13
9 10 11 12 13
R801
10k 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 12
C816
0.001u 3.1 10
12
11
D17 R0/P1.5
R0/P1.5
1.5
1.5 R0/P1.5
13
3.1 R0/P1.5
1 R0/P1.5
R0/P1.5
IC774
C773
0.47u
3.1 R3.1/P2.8
IC774
R1.5/P0 1.8
CXD3105R-T6
3.1
11
1.5
3.1 R0/P1.5
R314
R0.6/P1 R0/P1.5
1k
R313
R0.6/P1.4 R0/P1.5
1k
R312
R0.6/P1.4 R0/P1.5
1k
R311
R0.6/P1.4 R0/P1.5
1k
R3.1/P0.3
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
R315
0
10 GND
CL812
9 NC
NC
8
D774
7 GND
1SS351-TB
6 X_ODD
CL813
5 Y_ODD
CL814
4 GND
3 Y_EVEN
CL815
X_EVEN
2
D775 1 GND
1SS351-TB
CN771 10P
CL816
SIGNAL PATH
VIDEO SIGNAL
Y/CHROMA
REC
PB
Ref.signal
14 15 16 17
R125 CL141
XX
R124 CL140
DSR-20MDP 0
R123 CL139
DSR-20MD
0
D13
30 TDO7
D65 CL138
29 TDI
CL137
D6
28 CLKEN
D5 CL136
27 CRCK
CL135
26 GND
D4
25 DXO4
CL134
D3
24 DXO3
D2 CL133
23 DXO2
CL132
D1
22 DXO1
CL131
D64
21 DXO0
D64
D63 CL130
IC791
D63 20 AVDXI4
D62 CL129
D62 19 AVDXI3
CL128
D61
C763 C761 C762 18 AVDXI2
D61
0.1u CL127
0.1u 0.1u D60
F F F
D60 17 AVDXI1
D59 CL126
D59 16 AVDXI0
CL125
D58
D58 15 ITISRC
CL124
D57
14 CPCK
D57
5 D54 CL123
13 ISCDXI4
3 2 1 CL122
D53
12 ISCDXI3
CL121
1.3 D52
11 ISCDXI2
D54
CL120
D51
D53 10 ISCDXI1
D50 CL119
9 ISCDXI0
D52
CL118
D49
8 AVSRC
D51
CL117
D48
7 SCSRC
D50
D47 CL116
D49 6 ITISYNP
CL115
D46
5 AVSYNP
CL114
D45
4 SCSYNP
CL113
4 5 6 D44
3 BSCON
3.1 5 D43 CL112
2 XADADJ
D42 CL111
1 VITOFF
CL110
C792 CN101 30P
22u
C775
16V
0.01u aluminum D791 MA111-TX
L791
XX
DRUM HEAD
ODD
EVEN
AUDIO
SIGNAL
REC REC/PB PB
4-14
DSR-20MD/20MDP
18
TO JC-19 BOARD (8/18)
CN412
(SEE PAGE 4-34)
REC/PB AMP
RP-228 (2/2)