2/2)(Rec/Pb Amp 2) - Sony DSR-25 Service Manual

RP-234 (2/2) (REC/PB AMP 2) • See page 4-95 for RP-234 printed wiring board. • See page 4-133 for waveforms.
1 2 3
RP-234 BOARD (2/2)
A
REC/PB AMP 2
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
RF6V
B
1 5V
RP-234 BOARD (1/2) 1-1
1-2
C
R201
10k
Q201
2SB1462J-QR(K8).SO
C201
R202
D
6800 0.01u
C202
0.01u
E
F
R0.2/P1.1
2-1
5
R0.2/P1.4
2-2
R0.2/P1.4
2-3
R0.2/P1.4
2-4
R0.2/P1.4
2-5
R0.2/P1.4
2-6
R0.2/P1.4
2-7
G
2.7
2-8
2
C213
0.01u
0
2-9
2-10
2
RP-234 BOARD (1/2)
H
2-11
2-12
2-13
2-14
2-15
I
GND
2-16
1.9V
J
3V
SIGNAL PATH
VIDEO SIGNAL
AUDIO
SIGNAL
Y/CHROMA
k
REC
PB
05
4 5 6 7
C222
3900p
C223
C224
8200p
8200p
R217 R214
R0/P2.7
100 2200
C221
3900p
C220
C219
Q203
2 3300p 3300p
2SC4851-TL
0 0
C204 C205 R0.7/P0.1 R215 R0.7/P0.1 R216
R212
0.01u 0.01u 120 4700 2200
C207
C200 Q202 C206 R204
0.01u 47p 0.033u
2SC4851-TL 470
C208
47p
R203
150k
5 0 0
2.1
12 11 10 9 8 7 6 5 4 3 2 1
C209
0.01u
2.2
12k
0.1 R206 12k R207
IC201 R208 10k
0
2.2
IC201 2.8 C210 0.1u
CXA2071R-T4
0.2
2.8
CL163
CL151
C211
0.01u
CL164
3.7
C212
470p
25 26 27 28 29 30 31 32 33 34 35 36
R209
2.7 2 5 5 R3.7/P2.3
1M
CL162
C214
C215
C216
0.01u
0.01u 470p
R210
4-9
8 9 10 11
L202
10uH
L102 IC102
10uH
IC102
S-81350HG-KD-T1
R218
100
1 2 3
5 5.5
C111
0.1u
C101
R101 C102
0.01u 10k 0.1u
0
R115
4700
24 23
C103
0.1u
R0/P2.3
0.1u
C104
R0/P2.3
C199
0.01u R4.8/P2.7
3
5
C107
10u CL153
10V
CL149
RECA2 R1.9/P0
2.8
RECA1 R1.9/P0
CL150
SW_PS R2/P0
1
CONT0 4
CONT1 2
C106
0.01u
37 38 39 40 41 42 43 44 45 46 47 48
0 2
ALL_PS
RECCK
RECDT
C218
10u
10V
C217
10u
6.3V LND105
68
GND
L201 LND106
10uH
GND
12 13 14
R108
220
R3.9/P1.8
22 21 20 19 18 17 16 15 14 13
R3.9/P1.8
7
R3.9/P1.8
R3.9/P1.8
220
R109
IC101 R4.2/P1.7 R110 220
R4.1/P1.7
IC101
R4.1/P1.7
CXA2072R-T4
R4.2/P1.7
R111 220
6
R112 220
R4.2/P1.7
R4.1/P1.7
R4.1/P1.7
5
5.5 R4.2/P1.7
R113
220
LND102
C108 C109
GND
0.01u
0.01u
LND103
GND
C110
10u
LND104
10V
GND
4-10
DSR-25
15 16 17
LND101
GND
CN101 10P
10 GND
9 YSDL
8 XSDL M901(1/2)
DRUM HEAD
7
GND
6 YODD
ODD
5 XODD
4
GND
3 YEVEN
EVEN
2 XEVEN
1
GND
RP-234 (2/2)