Block diagram
SP-PW880
SP-PW880
Speaker
5
Relay
LVA10058-A1
detector
Output current
4
Power amp
CN811 CN821
3
IC821 Q8204 RY881
18 14
VR811
CN881
Q8202
Q8203
Q8201
-VH
CN891
Power circuit
LVA10058-A3
(9V)
Regulator
1/2
Buffer
IC812
31
LVA10058-A2
SW
S8101
2/2
2
Low path
High path
1
IC812
filter
57
1/2
IC811
filter
31
2/2
IC811
67
Input L/H amp
Q8101
Q8102
DC detector
(5V)
Regulator
IC851
Q8501
Q8502
2/2
IC813
57
LED control
IC813
CN851
CN861
66-000-074-11
-
+
-
+
ABC
2-1
SP-PW880
Standard schematic diagrams
Power amplifier circuit
IC821
STK411-290E
5
C8201
C8202
C8925
0.1
100/50
D8209
R8223
56K
1SS133-T2
R8206
R8220
C8205
10K 56K
100P/50
R8224
C8204
10/50
56K
8.2P/50
470P/50
10/25
R8802
R8801
R8811
C8213
Q8201
C8210
R8803
6.2K
1K
R8207
R8218
KTC3199/GL/-T
R8812
4.7K
R8225
220
R8228
C8215
100/25
10K
Q8801
2SC945/PK/-T
F8911
F8921
R8216
C8208C8209
0.220.22
33K
R8226
C8214
FR
10
CN891
QGA3901C1-05
C8232
100P/50
560
R8227
0.1
R8229
R8213
QQLZ005-R45
D8801
56K
10
L8201
1SS133-T2
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
220P/50
C8207
150P/50
C8231
0.33
R8210
QSK0095-001
1/50
C8801
Only E/EN
0.33
Q8204
RY881
C8219
1/50
C8252
0.1
R8252
10
1.2K22K
0.33
R8212
R8211
D8208
10K
R8214
R8215
QGA3901C1-02
C8901
0.068
QGA7901C1-02
T8901
QQT0265-003
CN881
1SS133-T2
F8901
PP892
PP891
KTA1267/YG/-T
S8901
QSW0632-001
CN899
Power supply circuit
Playback signal line
Only US
CN899
QGA7901C1-04
Deference part
R8801
R8802
R8803
S8901
QSW0632-001
S8902
QSW0838-001
T8901
QQT0265-004
E/EN US
1.8K 1/4W
1.8K 1/4W
1.8K 1/4W
PP892
F8901
C8901
0.068
F8902
2.2K 1/4W
2.2K 1/4W
2.2K 1/4W
PP891
Input circuit
S8101
QSW0834-001
VR811
QVQ0021-B14
C8101
1000P
C8114
1000P
C8115
TC74HCU04AP
12K
R8502
R8118
150K
R8119
150K
R8120
150K
R8121
150K
IC851
10/50
R8101
R8102
1SS133-T2
D8502
C8505
100P
R8514
IC851
TC74HCU04AP
470K470K
C8102
10/50
1M
R8104
56K
J8101
QNN0090-001
4
1K
R8128
R8127
1K
J8102
3
QNB0095-001
R8512
1K
R8501
D8501
1SS133-T2
4.7K
D8505
1SS133-T2
C8504
10/50
2
D8506
1SS133-T2
R8105R8103
68K56K
C8103
0.01
IC811
NJM4580D-D
R8124
56K
C8112
0.022
R8123
5.6K
IC813
NJM4580D-D
C8113
5.6K
0.022
R8122
R8504
Q8501
1K
KTC3199/GL/-T
D8503
1SS133-T2
IC851 IC851
TC74HCU04AP TC74HCU04AP
R8503
100K
C8506
10/50
C8501
22/25 100/25
R8515
4.7K
R8516
LED indicator circuit
R8517
560K
C8507
47K
C8104
0.01
0.22
R8505
100K
C8122
R8107 R8109
1.6K 2.4K
150P
R8518
Q8502
C8105
0.22
12K
R8108
Q8102
KTC3199/GL/-T
R8506
1M
TC74HCU04AP
D8507
R8519
510K
22
KTC3199/GL/-T
R8106
150K
R8110
Q8101
IC851
1SS133-T2
IC851
TC74HCU04AP
C8508
470/6.3
220K
KTC3199/GL/-T
D8504
1SS133-T2
R8507
2.2K
IC811
NJM4580D-D
R8126
100K
R8521
1K
C8116
R8520
R8111
1/50
R8125
D8510
1SS133-T2
C8502
100/10
4.7K
R8601
180
C8106
0.33
R8112
11K
10K
C8107
0.056
R8113
15K
47K
R8115
10K
R8116
39K
IC861
UPC78L05J-T
D8511
MTZJ6.8B-T2
R8522
180
R8523
22
IC813
NJM4580D-D
QGA2501C1-02
D8602 D8601
1SS133-T2 1SS133-T2
0.033
C8108
R8114
D8508
1SS133-T2
D8509
1SS133-T2
CN851
D8603
SPR-325MVW
12K
C8109
0.047
C8503
IC812
NJM4580D-D
IC812
NJM4580D-D
CN861
C8121
R8117
3.9K
10/50
C8111
10/50
C8110
3300P
CN811
QGB2016J1-15
CN821
QGB2016K1-15
150P/50
C8206
R8209
D8207
C8233
R8921
2.2/50
100K
R8208
10K
1SS133-T2
33K
C8928
2.2/50
150P/50
D8924
DSK10C-T1
R8922
C8234
4.7
R8233
0.01/16
C8253
C8911
C8912
FR
R8201
4.7K
4700/50
4700/50
10
FR
1N5402M-20
D8212
C8914
0.1/100
D8201
MTZJ8.2C-T2
C8218
10/50
D8205 D8206
MTZJ33C-T2 MTZJ33C-T2
100/16
1N5402M-20
C8212
D8211
D8911
D5SBA20-S1
10
R8705
C8917
0.1/100
R8217
100K
R8204
FR
2.7K
Q8202
KTA1267/YG/-T
C8703C8704
100/25
100/25
D8202
MTZJ8.2C-T2
R8205
R8222
82K
2SD400MP/EF/-T
2SB544MP/EF/-T
C8915
C8217
2.7K
C8701C8702
0.1/100
10/50
Q8701
Q8702
C8921
C8922
47/25
47/25
6800/25
6800/25
47/25
C8211
R8203
100
FR
R8202
100
FR
R8219
100K
D8701
MTZJ10B-T2
D8702
MTZJ10B-T2
D5SBA20-S1
C8924
R8221
D8921
0.1
C8203
100/50
100K
C8927
R8701
R8703
1.5K
R8704
1.5K
R8702
10
FR
10
Q8203
KTC3199/GL/-T
FR
0.1
1
ABCD E F G
2-2
SP-PW880
Printed circuit boards
Input board
Q8502
C8507
R8516
R8519
C8111
C8113
C8103
R8104
R8124
C8114
R8101
B8006
C8122
C8112
R8119
C8508
C8102
R8122
R8123
R8118
R8120
R8121
R8105
R8522
R8517
CN851
D8509
R8523
VR811
1
4
B7020
T1A
R8102
C8115
J8101
CN821
D8209
Q8202
Power board
12
D8508
R8128
R8127
B6302
Z899
Z896
F8902
CN899
S8902
B6301
S8901
Z898
F8901
C8901
Z897
PP891
PP892
Amplifier board
C8222
R8202
C8231
D8206
B7003
C8801
B7203
C8204
C8217
R8206
C8203
R8212
C8218
R8207
C8202
C8208
C8209
R8801
R8802
R8803
C8214
C8254
R8228
C8213
R8229
R8204
D8201
R8211
R8212
R8210
D8202
R8205
B7952
R8213
L8201
R8224
R8254
R8216
C8219
R8225
22
21
20
19
C8201
18
17
16
15
14
13
12
11
10
9
B7951
R8227
C8207
C8232
8
7
6
5
4
3
2
1
R8226
IC821
B7010
W8951
C8237
R8223
B7009
B7011
B7008
B7001
C8255
D8208
R8214
C8216
B7007
C8223
R8203
D8911
R8233
B7401
D8801
Q8801
R8812
R8811
B7201
C8215
C8205
R8201
B7202
R8252
B7012
B7013
Q8204
B7004
D8205
C8252
RY881
B7501
C8911C8912
B7204
15
C8914
C8916
C8917
C8915
C8913
EP881
D8212
CN881
W8801
D8211
C8253
R8215
B7851
2
1
W8921
F8921
R8222
D8207
C8235
B7208
R8703
C8921C8922
Z894Z895
R8208
R8217
WC881
W8912
B7304
B7206
F8911
R8701
B7301
B7014
B7303
R8209
B7205
W8931
C8206
W8911
CN891
B7502
B7701
B7702
B7953
Q8701
D8701
C8703
C8702
C8924
C8926
C8927
C8925
C8923
C8211
D8702
Q8702
B7016
D8924
R8220
C8210
Q8203
R8221
B7852
C8701
R8704
R8702
C8236
B7402
B7403
B7404
Z892
Z893
D8921
R8922
C8212
R8705
123
C8233
R8255
R8921
C8234
R8218
B7018
C8704
B7210
B7211
Q8201
B7017
R8219
B7207
C8928
456789101112131415
R8512
R8106
B8001
IC811
R8111
R8116
C8109
C8108
C8505
C8506
B8004
B8005
D8603
R8515
R8504
D8503
C8121
R8103
Q8101
Q8102
D8507
R8113
R8117
R8518
C8501
IC813
R8110
C8101
S8101
R8114
C8110
R8506
R8507
B8003
R8513
D8506
C8509
D8505
14
IC851
1
R8514
Q8501
B8601
B8301
R8107
R8109
B8201
R8112
7
C8504
C8104
C8105
R8520
R8521
D8504
B8006
R8108
C8106
R8115
8
D8511
C8503
R8126
R8125
C8116
B8007
C8107
IC812
B8009
1
R8503
B8002
D8501
5
D8502
R8505
R8502
R8501
C8502
D8510
IC861
4
CN811
15
B8008
3
CN861
D8601
D8602
R8601
LED indicator board
2
1
2-3
HABC DE FG
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