Schematic Diagram - E-Vol Board (1/2) - Sony STR-DA4400ES Service Manual

STR-DA4400ES

6-37. SCHEMATIC DIAGRAM - E-VOL Board (1/2) -

1
A
B
AL
C
MAIN
BOARD
(2/4)
CN1203
(Page 43)
D
E
F
G
H
I
J
STR-DA4400ES
• See page 118 for IC Block Diagrams.
2 3 4
E-VOL BOARD (1/2)
C1228 C1229
0.01
0.01
CN1203
15P
VDATA 15
VCLK 14
VLAT 13
AGND 12
SR 11
AGND 10
SL 9
AGND 8
5 6 7
R 7
AGND 6
L 5
AGND 4
SW 3
4 3 2
AGND 2
C 1
51
3
2
E-VOL
BOARD
1
(2/2)
(Page 65)
5 6 7
4 3 2
C1208 C1204
0.01 22p
R1267
100k
5 6 7
R1273 C1274 R1223 C1224 C1275
100k 22p 100k 22p 2200p
C1272
22
R1272
50V
1k
8
IC1222
IC1223
LINE AMP
ELECTRICAL VOLUME
1
IC B/D
C1226
0.01
C1240
10p
C1222 22 50V
R1222 1k
R1225
R1226
33
33
R1252
1k C1252 22 50V
IC1203
8
ELECTRICAL VOLUME
IC B/D
IC1202
LINE AMP
1
R1206
33
C1206
0.01
R1205
33
C1210
10p
R1202 1k C1202 22
R1203
100k
64 64
8 9 10
C1273
R1277
100
100k
16V
1 2 3 4 5 6 7 8 9 10 11 12 13 14
28 27 26 25 24 23 22 21 20 19 18 17 16 15
R1224
100
R1227
C1223 100k
C1225 C1227
100
1000p
2200p
16V
C1253
C1255
R1257
100
2200p 100k
16V
1 2 3 4 5 6 7 8 9 10 11 12 13 14
28 27 26 25 24 23 22 21 20 19 18 17 16 15
R1204 100
C1207
1000p
50V
C1203
C1205 R1207
100
2200p 100k
16V
C1263
C1265
100
2200p
16V
11 12
CN1201
12P
1 GND
2
SR
3 GND
4
GND
T
5 SL
6
GND
CONNECTOR1
7 GND
BOARD
CN1209
8 FRONT-R
(Page 67)
9 GND
10 GND
11 FRONT-L
12 GND
52
11
10
E-VOL
BOARD
9
(2/2)
(Page 65)
CN1208
11P
11 GND
10 R PREOUT
9 GND
AQ
8 L PREOUT
7 GND
MAIN
6 SR PREOUT
BOARD
5 GND (4/4)
CN1206
4 SL PREOUT (Page 45)
3 GND
1 SBR PREOUT
CN1209
7P
7 GND
AR
6 SBL PREOUT
5 GND
MAIN
4 W PREOUT
BOARD
3 GND (4/4)
CN1205
1 C PREOUT
(Page 45)
16
53
15
14
E-VOL
13
BOARD
(2/2)
12
(Page 65)
54
7
6
E-VOL
4
BOARD
(2/2)
5
(Page 65)
8