Sony STR-DB870 Service Manual

STR-DB870/DB1070
1818
5-5. SCHEMATIC DIAGRAM – DIGITAL Board (4/5) – • See page 38 for Waveform. • See page 38 for IC Block Diagram.
C1105 C1108
C1223
C1232C1242
C1263
FB1101
IC1102
R1222
C1222
C1221
IC1221
R1231
R1221
R1242
R
1241
C1243
C1233
C1231C1241
R1234 R1224
C1234
R1233
R1223
C1224
R1243R1263 R1253
C1254 C1244
R1254 R1244
C1264
IC1241
C1251
R1262 R1251
C1253
C1508C1509
R1566
IC1502
C1515
C1514
R1513
R1512
C1517
C1516
FB1502FB1501
C1252C1262C1261C1271C1272
R1282
R1281
R1271
IC1261
C1273
C1283
R1273R1283
C1284 C1274
R1274 R1264R1284C1115
R1134
IC1281
R1131
C1507
C1511 C1513
C1512
C1506
C1510C1504
R1510
R1101
R1121
R1132
R1122
R1124
C1114
C1121
C1112 C1113
FB1102
C1106
C1107
C1104
C1102
C1505
R1504
R1503
R1502
R1501
R1509
C1503
R1508
C1502
C1501
R1505
CN1103
C1101
IC1101
IC1501
X1501
R1507
R1506
C1131
C1281 C1282
R1232
R1252
R
1272
C1103
R1261
C1110
C1109
470p 470p
180p
1800p1800p
180p
21B
M5218AFP-T
22k
1800p
22
50V
M5218AFP
1.5k
1.5k
22k
1.5k
180p
180p
22
50V
22
50V
100k 100k
22
50V
220
220
22
50V
220220 220
22
50V
22
50V
100k 100k
22
50V
M5218AFP
22
50V
22k 1.5k
180p
0.1
0.1
100
IDT71V016S
0.1
0.1
100
100
0.1
470
16V
21A21A
1800p1800p22
50V
22
50V
1800p
22k
1.5k
1.5k
M5218AFP
180p
180p
220220
22
50V
22
50V
100k 100k100k100p
100k
M5218AFP
33k
0.1
0.1 47
16V
0.1
0.1
0.10.1
100
100
33k
33k
33k
100k
100p
22
50
0.1 0.1
21A
4.7
50V
10 50V
4.7
50V
47
16V
0.1
100
100
100
100
0
0.1
10k
0.1
0.1
100
21P
0.1
PCM1800
CXD9617R
13.5MHz
100
100
22
50V
22
50V
1800p
22k
22k
22k
10
50V
1.5k
0.1
47 16V
2C
3C
4C
5C
6C
7C
8C
9C
10C
1F
2F
1H
2H
3H
4H
2J
3J
4J
5J
6J
7J
9J
3F
11C
8J
1J
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
F13
F14
F15
F16
F17
F18
F19
F20
F21
F22
F23
F24
F25
F26
F27
F28
F29
F30
F31
F32
F33
F34
G2
G3
G4
G5
G6
I1
J1
J2
J3
J4
J5
J6
J7
K1
K2
K3
K4
K5
K6
K7
K8
K1 K2
K3
K4
K5
K6
K7
K8
G1
I7
I6
I5
I4
I2
I3
G7
F1
F2
F3
F4
F5
F7
F8
F9
F10
F11
F12
F13
F14
F15
F16
F17
F18
F19
F34
F33
F32
F31
F30
F29
F28
F27
F26
F25
F24
F23
F22
F21
F20
F6
P1
P2
GND
GND
GND
GND
GND
GND
GND
C
GND
GND
GND
S-RAM
AUDIO DSP1
BUFFER
VCC
VEE VCC
VEE VEE VEE
VCC VCC VCC
VEE
LINE AMPLINE AMPLINE AMP
LINE AMP
(DB1070)
A/D CONVERTER
SOURCE-L
SOURCE-R
DB9-W/DB8-NC
DB9-SB/DB8-W
SR
SL
FRONT-R
FRONT-L
TUNER-R
TUNER-L
(Page 15) (Page16)
(Page 17)
(Page
19)
(Page
27)

Sony STR-DB870 Specifications

General

Brand	Sony
Model	STR-DB870
Category	Stereo Receiver
Language	English