HCD-SPZ50/SPZ70
31
31
HCD-SPZ50/SPZ70
7-16. SCHEMATIC DIAGRAM – AMP Section (SPZ70) –
•
See page 38 for Waveforms.
•
See page 39 for IC Block Diagrams.
R727
R777
R711
R712
R756
R746
L703
R761
R762
C797
C844
C845
C722
C723
R724
R725
C724
C725
R739
R740
R721
R718
C728
C720
L710
L711
R728
R726
C846
C847
C772
C773
R774
R775
C774
C775
R772
R773
R771
R768
C770
C777
L760
L761
R776
R778
C778
R793
C713
D705
C718
C716
C717
R716
R715
C714
C715
D706
C712
C706
R738
R717
C767
C766
C765
C764
D755
D756
C768
C711
C756
C762
C763
R704
R706
C708
R708
C781
R709
C710
R713
R714
C709
C757
R752
R754
R765
C703
Q701
C794
R792
C719
C702
C769
C791
C758
R758
C782
R759
R764
C759
R800
R801
R794
IC709
X702
R781
C796
C704
C754
C752
D713
R783
C780
C779
C799
C795
R790
R789
R788
R787
R786
R785
R784
C788
C787
R742
R741
R743
R750
C806
R744
R747
C745
R749
C746
C747
IC704
C783
Q702
C726
Q752
R780
R733
C793
R722
C739
C736
R731
L702
C735
C741
C734
C732
R729
R723
C733
C743
C742
C749
C748
C730
R730
C738
R701
R751
D751
D701
C731
C701
C751
C761
R745
C798
L701
R737
R795
L704
C786
C753
R734
R735
R736
EP701
EP702
IC708
IC707
C784
L705
C785
R782
EP703
IC703
CN703
CN702
CN704
CN705
C832
C831
L709
R720
R719
L708
L759
R770
R769
L758
IC702
R748
C740
IC701
Q703
Q753
C804
C737
C744
100k
100k
100
100
100
100
100
100
0.01
0.1
0.1
0.0022
0.0022
4.7
4.7
0.0022
0.0022
10k
10k
10k
10k
1
1
220k
220k
0.1
0.1
0.0022
0.0022
4.7
4.7
0.0022
0.0022
10k
10k
10k
10k
1
1
220k
220k
2.2
47k
0.047
P6SMB39AT3
0.047
0.22
0.22
1k
1k
0.22
0.22
P6SMB39AT3
1
1
1k
1k
0.22
0.22
0.22
0.22
P6SMB39AT3
P6SMB39AT3
0.047
220
16V
1
1
0.047
470
100
0.1
100
0.1
100
47p
22k
390
0.1
47p
22k
390
0
0.01
2SC3052
1
0
2200
35V
0.1
2200
35V
0.1
0.1
100
0.1
100
470
0.1
1k
1k
0
MC74VHC1GU04
49.152MHz 100
0.1
0.001
0.001
0.1
UDZW-TE17-2.4B
22
0.001
0.01
0.01
10
50V
100
100
100
100
100
100
100
0.1
0.001
10k
100
100
47k
0.1
0
470
0.01
0
0.01
100 10V
NJM2871BF18
10p
2SA1235
2.2
2SA1235
22
470
10
50V
47k
0.01
0.01
470
10
50V
0.1
0.001
0.1
1k
1k
0.1
0.01
0.01
0.1
10
50V
0.1
100
10 50V
100
100
MMDL914T1
MMDL914T1
100
10V
2.2
50V
2.2
50V
0.01
100
10
50V
10
0
0.001
100
10V
10
10
10
CXD9774M
CXD9774M
0.001
10p
1M
MC74VHC74DTR2
2P
2P
4P
2P
0.1
0.01
3.3
3.3
3.3
3.3
NJM2871BF33
47k
220
10V
PCM1803DBR
2SA1235
2SA1235
0.001
0.0047
0.1
N
S
P
M
U
T
E
S
O
F
T
M
U
T
E
P
G
M
U
T
E
S
C
D
T
S
C
S
H
IFT
S
C
L
A
T
C
H
O
V
F
IN
IT
/O
T
W
SCLATCH
SCSHIFT
SCDT
PGMUTE
SOFTMUTE
NSPMUTE
/OTW
/SD
OVF
INIT
/S
D
/R
S
T
/RST
LRCK
LRCK
R-IN
R-IN
L-IN
L-IN
BCK
BCK
DOUT
DOUT
GND
+28V
GND
+28V
GND
+12V
DGND
SOFTMUTE
PGMUTE
/OTW
/RST
OVF
L+
L-
R-
R+
(CHASSIS)
(CHASSIS)
Q702,703
OVER LOAD DETECT
OVER LOAD DETECT
Q752,753
DIGITAL POWER AMP
DIGITAL POWER AMP
PROTECT DETECT
+3.3V REGULATOR
CLOCK SHIFT
+1.8V REGULATOR
A/D CONVERTER
CLOCK BUFFER
10
µ
H
10
µ
H
10
µ
H
10
µ
H
10
µ
H
1
µ
H
10
µ
H
10
µ
H
10
µ
H
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299