Sony HT-DDW880 / HT-DDW900 / STR-K880 / STR-K900 Service Manual ▷ View online
29
29
STR-K880/K900
STR-K880/K900
DIGITAL
BOARD
CNS505
(Page 19)
C
IC101
IC100
IC102
SUFFIX-12
SUPPLEMENT-1
Page 10
MUTING
MULTI CH IN
INPUT MODE
DISPLAY
MUSIC
MOVIE
A.F.D
2CH
TUNING
+
-
INPUT
SELECTOR
MASTER
VOLUME
VOLUME
FL101
(FLOURESCENT DISPLAY)
42
38
35
30
23
15
10
5
1
TUNING
MODE
MEMORY
ENTER
SPEAKERS
(OFF/A/B/A+B)
?/1
1
4
1-869-148-
11
(11)
1-869-149-
11
(11)
DISPLAY BOARD
L103
C107
C106
C151
JW118
JW117
CNS100
RV102
C150
C152
L101
JW121
JW120
S101
TP102
R101
R102
S102
JW119
JW122
JW116
S103
R103
RV101
JW115
JW112
JW113
JW114
R104
R120
C114
S124
R105
S105
R106
JW108
JW107
S106
R107
C105
R119
L102
JW111
JW110
JW109
C147
JW106
JW105
R115
R116
R117
C110
C111
C112
R199
C109
JW104
R118
R121
C101
JW103
C143
C142
C141
C140
C139
C138
C137
C136
C135
C134
C133
C132
C144
JW102
C100
C115
C148
C149
C145
C146
S107
S111
JW131
JW101
R111
JW100
C108
R198
R110
R109
R108
S109
S110
S108
JW123
JW124
CN101
TP101
POWER BOARD
S100
R114
CNP101
S115
1
11 12
22
23
33
34
44
14
8
7
3
1
1
1
2
23
22
S104
1
4
1
2
A
B
C
D
E
F
G
H
3
4
5
6
7
8
9
10
11
12
13
14
15
3-14. PRINTED WIRING BOARDS – DISPLAY BOARD, POWER BOARD –
:Uses unleaded solder.
• See page 15 for Circuit Boards Location.
Ver. 1.2
30
30
STR-K880/K900
STR-K880/K900
3-15. SCHEMATIC DIAGRAM – DISPLAY BOARD, POWER BOARD –
• See page 43, 44 for IC Block Diagrams.
SUFFIX-12
SUPPLEMENT-1
Page 14
R120
10
R119
C
1
3
5
C
1
3
6
R121
R118
R116
C115
C149
C148
C147
C146
IC101
R199
R198
CNS100
S
1
0
1
S
1
0
2
S
1
0
3
S
1
0
4
S
1
2
4
S
1
0
5
S
1
0
6
S
1
0
7
S
1
0
8
S
1
0
9
S
1
1
0
S
1
1
1
R101
R108
R102
R109
R103
R110
R104
R111
R105
R106
R107
S
1
1
5
S
1
0
0
C100
C108
C114
C
1
3
2
C
1
3
3
C
1
3
4
C
1
3
7
C
1
3
8
C
1
3
9
C
1
4
0
C
1
4
1
C
1
4
2
C
1
4
3
C145
C152
C105
R114
C144
C109
R117
R115
C
1
1
2
C
1
1
1
C
1
1
0
CN101
CNP101
IC100
L103
L101
L102
FL101
RV101
RV102
C151
C150
C101
IC102
100
2
2
0
p
2
2
0
p
10
82k
100
10
50V
220p
220p
220p
10
50V
MC74ACT08N
1
1
23P
220
220
C107
2200P
C106
2200P
330
330
470
470
680
680
1k
1.5k
2.2k
0.1
0.1
50V
0.22
2
2
0p
2
2
0
p
2
2
0
p
2
2
0
p
2
2
0
p
2
2
0
p
2
2
0
p
2
2
0
p
2
2
0
p
2
2
0
p
0.1
50V
0.1
10
50V
1k
0.1
0.1
50V
100
100
2
2
0
p
2
2
0
p
2
2
0
p
4P
3P
PT6315
JW
JW
JW
ENCODER, ROTARY
ENCODER, ROTARY
0.1
0.1
0.1
RPM7240-H4
Ver. 1.2
31
31
STR-K880/K900
STR-K880/K900
1
4
EXCEPT E51
E51
E51
E51
VOLTAGE
SELECOR
120V
220V
240V
1
1
6
5
E
1
3
AC
IN
IN
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
1
4
1
3
1-869-146-
1-869-154-
11
(11)
11
(11)
V
SPEAKER B
BOARD
CNP807
CNP807
(Page 34)
D
DIGITAL
BOARD
CNP505
(Page 19)
N
MAIN
BOARD
CN915
(Page 25)
Q
MAIN
BOARD
CNP802
CNP802
(Page 25)
T901
POWER TRANSFORMER
(MAIN)
SUFFIX-12
SUPPLEMENT-1
Page 10
STANDBY BOARD
R902
Q901
R903
JW910
D913
D911
D914
C921
C920
R902
D915
D912
D910
CNP903
JW911
C950
C915
Q921
R923
R921
JW912
CNP801
JW834
C916
D922
D923
D921
D920
CNP804
R811
R810
C914
C913
C924
R922
CNP901
CNP902
JW906
JW904
JW901
JW905
JW907
JW903
FH901
CNP906
T902
JW909
JW908
G901
R901
R
Y901
R904
D901
F901
JW902
B901
FH951
E
S901
JW796
CNP910
JW795
JW794
CNP907
AC SELECT BOARD
POWER TRANSFORMER
(SUB)
3-16. PRINTED WIRING BOARDS – STANDBY BOARD, AC SELECT BOARD –
:Uses unleaded solder.
• See page 15 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D901
A-5
D910
C-3
D911
B-3
D912
C-2
D913
B-3
D914
B-3
D915
C-3
D920
E-3
D921
E-3
D922
E-3
D923
E-3
Q901
B-2
Q921
D-3
Ver. 1.2
32
32
STR-K880/K900
STR-K880/K900
1-869-152-
11
(11)
-
+
-
+
E
1
3
1
4
R
MAIN
BOARD
CNP806
(Page 25)
M
MAIN
BOARD
CN808
(Page 25)
T
MAIN
BOARD
WP02
(Page 25)
U
MAIN
BOARD
WP02
(Page 25)
K880
K880
CENTER
SURROUND BACK
CENTER
SPEAKERS
IMPEDANCE USE 6-16
Ω
K880
K900
SPEAKER BOARD
L571
JW705
JW706
JW720
CC16
RR16
JW703
JW702
BT501
JW704
JW701
CC17
RR17
JW725
R751
JW721
L751
R578
R
Y501
D510
R534
Q550
CN502
R531
JW700
JW722
JW708
JW707
JW723
JW724
CNP503
TM501
1
2
A
B
C
D
E
3
4
5
3-17. PRINTED WIRING BOARD – SPEAKER BOARD –
:Uses unleaded solder.
• See page 15 for Circuit Boards Location.
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