HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
37
37
6-21. SCHEMATIC DIAGRAM - AMP Board (HX70BTR) -
• See page 28 for Waveforms. • See page 44 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
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
R78
4
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
C732
C733
C743
C742
C730
C738
R701
R751
C731
C701
C751
C761
R745
C798
L701
CN700
R737
R795
L704
C786
C753
R734
R735
R736
EP701
EP702
IC708
IC707
C784
L705
C785
R782
EP703
IC703
CN703
CN702
CN704
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
1000
16V
1
1
0.047
390
100
0.1
100
0.1
100
470
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
0.00
1
10k
100
100
47k
0.1
0
470
0.01
0
0.01
100 10V
TK11118CSCL
10p
1SA1235AC1TP-1EF
2.2
1SA1235AC1TP-1EF
22
470
10
50V
47k
0.01
0.01
470
10
50V
0.1
0.1
2200p
2200p
0.1
10 50V
100
100
100
10V
2.2
50V
2.2
50V
0.01
100
10
50V
19P
10
0
0.001
100
10V
10
10
10
CXD9774M
CXD9774M
0.001
10p
1M
MC74VHC74DTR2
2P
2P
4P
0.01
1
3.3
3.3
3.3
3.3
TK11133CSCL
47k
220
10V
1SA1235AC1TP
-1EF
1SA1235AC1TP
-1EF
0.001
0.0047
0.1
NSPMUTE
SOFTMU
TE
PGMUTE
SCDT
SCSHIFT
SCLA
TC
H
OVF
INIT
/OT
W
SCLATCH
SCSHIFT
SCDT
PGMUTE
SOFTMUTE
NSPMUTE
/OTW
/SD
OVF
INIT
/SD
/RS
T
/RST
LRCK
LRCK
R-IN
R-IN
L-IN
L-IN
BCK
BCK
DOUT
DOUT
GND
+27V
GND
+27V
AGND
SCDT
DGND
DGND
NSPMUTE
SOFTMUTE
PGMUTE
/OTW
SCSHIFT
SCLATCH
AGND
L-IN
R-IN
/RST
OVF
/SD
L+
L-
INIT
R-
R+
A+5V
D+3.3V
(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
0
10
μ
H
10
μ
H
1
μ
H
0
0
0
C851
C854
1
0.01
C855
C856
1
0.01
C707
R702
47p
22k
C801
0.01
PCM1808
R802
220
R804
220
R803
220
R805
220
R807
22k
R809
22k
C741
2.2
50V
R808
22
Q707
KTC3198GR
+12V REGULATOR