Schematic Diagram - Main Board (1/4) - Sony STR-DA4300ES Service Manual

STR-DA4300ES
6-11. SCHEMATIC DIAGRAM – MAIN Board (1/4) –
1 2 3 4
A
MAIN BOARD (1/4)
(Page 38)
41
B
10
MAIN 8
BOARD
7
(3/4)
2
42
1
MAIN
BOARD
(2/4)
C (Page 37)
CN1014
19P
GND 19
P.R_OUT
R_OUT 18
GND
17
P.L_OUT
L_OUT
16
GND 15
P.SR_OUT
SR_OUT
14
D
GND 13
P.SL_OUT
AR 12
SL_OUT
GND 11
P.SBR_OUT
PREOUT SBR_OUT 10
BOARD
GND 9
CN4051
P.SBL_OUT
SBL_OUT 8
(Page 73)
GND 7
P.SW_OUT
SW_OUT 6
GND 5
E
P.C_OUT
C_OUT 4
GND 3
12V 2
PRE_RY 1
F
R1129
100k
R1144
100
P.L_OUT
R1229
100k
G
R1244
100
P.R_OUT
R1130
100k
R1145
100
P.SL_OUT
R1230
100k
H
R1245
100
P.SR_OUT
R1131
100k
R1146
100
P.SBL_OUT
R1231
100k
I
R1246
100
P.SBR_OUT
R1132
100k
R1147
100
P.C_OUT
R1232
J
R1247
100
P.SW_OUT
STR-DA4300ES
• See page 110 for IC Block Diagrams.
5 6 7
C1248
10
50V
80 79 78 77
SW_OUT
81 SWOUT
SBR_OUT
82 SBROUT
SBL_OUT
83 SBLOUT
SR_OUT
84 SROUT
SL_OUT
85 SLOUT
C_OUT
86 COUT
C1129 R_OUT
22 87 ROUT
L_OUT L_OUT
50V
88 LOUT
89 GND
90 LVIN
C1229 F_L C1145 10 50V
22 91 LIGO
50V
R_OUT
92 GND
93 RVIN
F_R C1245 10 50V
94 RIGO
C1130
22 95 GND
50V
SL_OUT
96 CVIN
50V
C1148 10
97 CIGO
98 GND
C1230
22 99 SLVIN
50V SR_OUT
100 SLIGO
C1146
10
50V
C1131
22 C1149 1 2 3
50V SBL_OUT 10
50V
C1249 10 50V
C1231 C1152 10 50V
22
50V
SBR_OUT
C1250
C1150
10
10
50V
50V
C1132
22
50V
C_OUT
100k
C1232
22
50V
SW_OUT
8 9 10 11
C1029 C1028
220p 220p
C1025
R1045
0.1 0
C1026 C1024
C1027
100
100
0.1
16V 16V
76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
RIN2 50
LIN2 49
GND 48
RECR2 47
RECL2 46
RECR1 45
RECL1 44
IC1001
GND 43
IMPUT SELECTOR, ADIFR 42
ELECTRICAL VOLUME
ADIFL 41
IC1001
GND 40
R2S15206FP
INR9 39
INL9 38
INR8 37
INL8 36
INR7 35
INL7 34
INR6 33
INL6 32
INR5 31
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
C1151 C1251 R1040 R1041
10 10k 10k
10
50V 50V
36 36
12 13 14 15
C1244
10
50V
SW
50V
C1243 10 SBR
50V
C1143 10 SBL
50V
C1242 10 SR
C1142 10 50V SL
C
C1144
10
50V
IC B/D
C1241
10
50V
FRONT_R
C1141 10 50V
FRONT_L C1258
C1155
0.022
2200p
TAPE_OUT_R
R1237
R1137 C1259
2.2k
TAPE_OUT_L 2.2k
47
25V
R1240
VIDEO_OUT_R
4.7k
VIDEO_OUT_L
R1235
2.2k
C1253
22
R1135
50V
2.2k
VIDEO3/MIC_IN_R
VIDEO3/MIC_IN_L 4 3 2 1
TUNER_IN_R
TUNER_IN_L
C1153
BRAVIA/PHONO_R
22
BRAVIA/PHONO_L
50V
CD_IN_R 5 6 7 8
CD_IN_L
TAPE_IN_R
R1238 R1138
220 220
R1239 R1139
8.2k
8.2k
C1158 C1159
47
0.022
25V
16 17 18
CN1012
9P
1 AGND
SR_OUT
2 SR
3 AGND
SL_OUT T
4 SL
5 AGND
R_OUT CONNECTOR 3
6 R
BOARD
CN1203
7 AGND
L_OUT
(Page 59)
8 L
9 AGND
CN1013
13P
1 AGND
C_OUT
2 C
3 AGND
SBR_OUT
4 SBR
5 AGND
U
SBL_OUT
6 SBL
7 AGND
CONNECTOR 4
8 +7V BOARD
CN1204
9 -7V
(Page 59)
10 GND
4/8
11 TEMP(4/8)
4/8_RY
12 4/8
PROTECT
13 ROTECT
CN1011
6P
FRONT_L
F
1 DA_L
3 A_GND
FRONT_R
D.AUDIO
4 DA_R
BOARD
5 A_GND
(2/5)
C
CN2207
6 DA_C
(Page 42)
1 A_GND
SL
3 DA_SL
4 A_GND
G
SR
5 DA_SR
6 A_GND
D.AUDIO
SBL
7 DA_SBL BOARD
(2/5)
8 A_GND
SBR CN2207
9 DA_SBR
(Page 42)
10 A_GND
SW
11 DA_SW
CN1022
11P
43
19
21
(Page 37)
MAIN
20
BOARD
(2/4)
IC1007
44
LINE AMP
5
MAIN (Page 38)
BOARD
6
CN1010 (3/4)
7P
1 AD_L
E
3 A_GND
4 AD_R D.AUDIO
BOARD
5 +7V
(2/5)
6 -7V
CN2204
(Page 42)
7 A_GND