Sony DSR-250 Service Manual page 112

DSR-250/250P
For Schematic Diagram
• Refer to page 4-63 for printed wiring board.
1 2 3
VI-156 BOARD(20/25)
AUDIO-3(AU BLOCK)
NO MARK:REC/PB MODE
A
-REF.NO.:10000 SERIES-
R :REC MODE
XX MARK:NO MOUNT P :PB MODE
69 XAUDIO_IN
TO(9/25)
183 TO(25/25) AU_8.0V
B
C
D
E
175
TO(18/25) LCH1IN
169
TO(18/25,22/25) AU_LINE_I/O_L
173
TO(18/25,22/25)
AU_LINE_I/O_R
Q1001
UN9210J-(K8).SO
MUTE
F
176 AU_LINE_L
TO(18/25)
G
179
TO(19/25) VOL_OUT_LCH1
H
L_OUT
R_OUT
I
183
TO(21/25)
HP_MUTE
J
30 KASHAON
TO(3/25)
140 BEEP
TO(17/25)
K 184
TO(21/25) ALARM
180
TO(25/25) AU_4.6V
181 AU_2.8V
TO(25/25)
142
TO(24/25) VTR_UNREG
185 SP_VCC
TO(21/25)
L 6 REG_GND
TO(25/25)
170 AUDIO_GND
TO(24/25)
16
AUDIO-3
VI-156 (20/25)
4 5 6 7
Q1007
2SC4177-T1L5L6
8.8 7.8
R1035
C1034 R1006
4700
4.7u 47k
F
8.4
IC1003
C1035
R1032
1u
1k R1018
B
5100 AUDIO AMP
5 6 7 8
R1011 R1002
C1028
C1025 51k
6.8u 220
27p
16V
CH
TA -
C1039 +
10u
10V
TA
+
-
4 3 2 1
3.9
C1041
R1033
1u
47k
B
R1037
4700
R1036
5100
R1028
R1034
220
51k
C1044
10u
10V
TA
C1011
0.47u
R1660
B
39k
C1009
R1661
Q1004
4.7u
9100
0.3 0.3 UN9115J-(K8).SO
6.3V
POWER MUTE
TA
0 0
R1024
0
100k
0
Q1003
C1003 C1008
UN9210J-(K8).SO
R1021
MUTE 0.47u 0.22u
33k
B B
R1016
47k
C1010
10u
6.3V
C1042
0.47u
B
C1013
10u
6.3V
C1007
10u
10V
TA
L1073
10uH
R1007
100
R1008
R1003 R1004
100
0 0
0 0
R1001
R1005
2200 2200
0 0
R1022 R1023
10k
10k
Q1002
2SD2216J-QR(K8).SO
MUTE
Q1005
2SD2216J-QR(K8).SO
MUTE
R1026
R1025
2200
1k
R1054
R1027
12k
8.2 6.0
Q1011
2SD1511-R/S(TX)
REG
R1015
7.3
3900
R1009 0
C1080
R1020 0.1u
33k B
R1012 XX
4-51
8 9 10
C1045
R1040 R1041
1k
XX
3.9 3.9
Q1014
UN9115J-(K8).SO
C1002
MUTE
R1038 10u
R1010
0
XX 10V
1k
TA
3.9 3.9
Q1008
UN9115J-(K8).SO
0 MUTE
3.0 Q1010
UN9213J-(K8).SO
MUTE SW
0
3.0
Q1015
UN9213J-(K8).SO
MUTE SW
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
MIC_IN(R)
R0/P0.4
AGC_TC
R2.0/P0
LINE1_IN(L)
5.0
P.MUTE_TC
IC1001
LINE1_IN(R) XMIC_P_SAVE
2.6
LINE1_OUT(L)
AUDIO IN/OUT
2.6
LINE1_OUT(R)
0
IC1001
POWER_MUTE
LA74207FN-TBM
A_GND
R2.0/P0
LINE2_IN(L)
2.5
VREFH
LINE2_IN(R)
5.0
Vcc(H)
LINE2_OUT(L)
LINE2_OUT(R)
2.6
HP_OUT(L)
C1005
0.47u
B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
C1006
0.47u
B
C1016
C1014
XX
10u
B
6.3V
C1015 C1020
0.01u 0.47u
B B
C1017
10u
6.3V
C1018 C1019
R1055
0.1u 0.1u
XX
B B
0
C1081
XX
B
11 12 13 14
10u
10V
R1053
470
EXT_MIC(R) C1021
10u
L1001
MIC_DET1 6.3V
10uH
3.1 TA 16 15 14 13
Vcc(M)
2.5
VREFM
C1024
10u
6.3V
R2.0/P0
C1022 TA
ALC_OUT(L) IC1002
0.47u
1.7
B R1031
LPF_IN(L)
470
R1.6/P0
D/A,A/D CONV
REC_OUT(L)
R1052
A_GND
XX
1.5
REC_OUT(R)
C1023
R0/P1.7
0.47u
LPF_IN(R)
B
R0/P1.8 1 2 3 4
C1026
ALC_OUT(R)
R1057 0.47u
3.0 0
B
Vcc(L)
1.6
PB_IN(L)
C1029
A_GND 1u
B
1.6
PB_IN(R)
C1027
1u
B
L1002
FB1002 22uH
R1058 C1037
C1077
XX
10u
6800p
6.3V
C1040 C1047
C1038
6800p
0.01u 10u
6.3V
B B
5.0
3.0
Q1016
R1056
2SC4177-T1L5L6
270
3.8 REG
D001
C1082 RD3.9SB-T1
0.47u
B
4-52
15 16 17
PB_IN_L
174
TO(18/25)
PB_IN_R
182
REC_OUT_CH2 TO(19/25)
171
AOUTR TO(18/25)
165
AOUTL TO(18/25)
SFD_BCK
SFD_FCK
SFD_LRCK 49
TO(5/25)
DATA_FROM_SFD
DATA_TO_SFD
12 11 10 9
5 6 7 8
DEM1
DEM0
74
TO(9/25)
XPWDA
XPWAD
B
ANALOG_MUTE 75
TO(9/25)
VSP_SO
27
TO(9/25)
XVSP_SCK
XCS_AU1
72
TO(9/25)
SIGNAL PATH
AUDIO
SIGNAL
REC
PB