Sony CMT-HX50BTR / CMT-HX70BTR / CMT-HX80R / CMT-HX90BTR / HCD-HX50BTR / HCD-HX70BTR / HCD-HX80R / HCD-HX90BTR Service Manual ▷ View online
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
IC705
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
10V
10
10
10
CXD9788AR
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
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)
SFLAG
INIT
MCKSEL
LRCK
BCK
DATA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
FSOCKO
FSO
I
HPOUTR2
HPVSSR
HPOUTR1
HPV
DDR
HPO
UTL
2
HPVSSL
HPOUTL
1
HPV
DDL
XVDD
XFSOIN
SCL
AT
C
H
SCSHIFT
SCDT
PGMUTE
SOFTMUTE
NSPMUT
E
DVSS
DVDD
XOVDD
XFSOOUT
XOVSS
VSSL
OUTL1
VDDL
VSSL
VSSR
OUTR1
VDDR
OUTR2
VSSR
VSUBC
XVSS
OUTL2
OVF
FLAGR
FLAGL
OVF
OVF
VCC
D2
CK2
Q2
RD2
SD2
Q2
D1
CK1
Q1
GND
RD1
SD1
Q1
RGND
BP
BM
RGND
GREG
M3
DREG
DVSS
M1
M2
DVDD
RESV
AM
AP
RGND
/RST
/SD
/OTW
PVSS
BST_B
PVDD_B
PVDD_B
OUT_B
OUT_B
PVSS
PVSS
OUT_A
OUT_A
PVDD_A
PVDD_A
BST_A
PVSS
PVDD
GREG
RGND
BP
BM
RGND
GREG
M3
DREG
DVSS
M1
M2
DVDD
RESV
AM
AP
RGND
/RST
/SD
/OTW
PVSS
BST_B
PVDD_B
PVDD_B
OUT_B
OUT_B
PVSS
PVSS
OUT_A
OUT_A
PVDD_A
PVDD_A
BST_A
PVSS
PVDD
GREG
Q702,703
OVER LOAD DETECT
OVER LOAD DETECT
Q752,753
DIGITAL POWER AMP
PVDD
GREG
GREG
PVDD
DIGITAL POWER AMP
PROTECT DETECT
+3.3V REGULATOR
VCC
NC
GND
VIN
VOUT
CONT
GND
NOISE
CLOCK SHIFT
STREAM PROCESSOR
+1.8V REGULATOR
VOUT
NOISE
GND
CONT
GND
CONT
VIN
A/D CONVERTER
CLOCK BUFFER
10
μH
10
μH
0
10
μH
10
μH
1
μH
0
0
0
C851
C854
1
0.01
C855
C856
1
0.01
C707
R702
47p
22k
C801
0.01
0.01
PCM1808
SCKI
DGND
VDD
VCC
AGND
VREF
BCK
DOUT
MD0
MD1
FMT
IN_L
IN_R
LRCK
R802
220
R804
220
R803
220
R805
220
R807
22k
R809
22k
C741
2.2
50V
R808
22
Q707
KTC3198GR
+12V REGULATOR
J2
M2
N2
P2
SP TERMINAL
BOARD
CN850
SP TERMINAL
BOARD
CN870
(Page 32)
(Page 39)
(Page 39)
(Page 43)
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
38
38
6-22. PRINTED WIRING BOARDS - INPUT/OUTPUT Section -
•
: Uses unleaded solder.
• See page 21 for Circuit Boards Location.
CNA903
1
8
EP982
L983
L982
C990
C989
C999
C984
C982
C997
C987
C991
R932
R941
R931
R942
CN870
CN850
C851
C852
3
1
2
1
C853
C854
1
18
11
1
R904
R905
R906
R909
R908
CN901
DMPORT
CN902
A901
JACK BOARD
(CHASSIS)
AUDIO IN
J981
PHONES
J982
1-876-119-
12
(12)
H
MAIN BOARD
CN501
CN501
SP TERMINAL BOARD
SPEAKER
J860
–
+
–
+
R
L
1-876-121-
12
(12)
N1
AMP
BOARD
CN703
N2
AMP
BOARD
CN703
M1
AMP
BOARD
CN702
M2
AMP
BOARD
CN702
HX50BTR/HX80R/
HX90BTR
(HX70BTR)
HX50BTR/HX80R/
HX90BTR
(HX70BTR)
A
B
C
D
E
1
2
3
4
5
6
1-875-502-
11, 12
(11, 12)
DMP BOARD
(COMPONENT SIDE)
1-875-502-
11, 12
(11, 12)
DMP BOARD
(CONDUCTOR SIDE)
K
MAIN
BOARD
CN514
(Page 30)
(Page 30)
(Page 34)
(Page 36)
(Page 34)
(Page 36)
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
39
39
6-23. SCHEMATIC DIAGRAM - INPUT/OUTPUT Section -
R941
R931
CN870
CN850
EP982
R942
R932
C984
L982
L983
J981
J982
C854
C853
C852
C851
C997
C987
C999
C989
C990
C991
C982
CNA903
1k
1k
2P
3P
100k
100k
0.1
0
0
470p
470p
470p
470p
470p
470p
0.022
0.022
0.1
0.1
0.1
8P
AUDIO IN
AUDIO IN L
AUDIO IN GND
AUDIO IN R
HP GND
HP L
HP R
HP DET
AUDIO IN DET
(CHASSIS)
L-
R+
L+
R-
SPEAKER
L
R
J806
HX90BTR
HX50BTR/HX80R/
HX90BTR
HX50BTR/HX80R/
(HX70BTR)
(HX70BTR)
PHONES
K
BOARD
(2/3)
MAIN
CN514
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
18P
CN901
PGND
VBUS(5V)
NC
VBUS(5V)
RXD
TXD
DET
DGND
WM DET
NC
L-
R-
L+
R+
WM AX
WM TX
VIDEO
VGND
0
R906
0
R905
0
R904
1
2
3
4
5
6
7
8
9
10
11
11P
CN902
PGND
VBUS_5V
VBUS_5V
CLINK RXD
CLINK TXD
DMP-DET
DGND
L+
L-
R+
R-
0.01
R908
DMP BOARD
DMPORT
0.01
R909
(Page
35)
(Page
37)
(Page
35)
(Page
37)
(Page 32)
(Page 33)
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
40
40
6-24. PRINTED WIRING BOARDS - PANEL Section -
•
: Uses unleaded solder.
• See page 21 for Circuit Boards Location.
R975
R974
R972
R976
R977
R978
R960
R961
R963
R965
R966
R967
R973
CNA906
S970
S971
S972
S973
S976
S975
S966
S967
S968
S953
S965
S961
S963
S962
S974
Q953
R95
0
R955
D91
1
JR901
R959
IC901
C923
C925
C924
C92
6
JR902
Q908
R970
R982
R981
R956
D903
D907
R945
C954
R979
C962
R944
R947
JR904
C906
R937
Q952
Q951
R936
R98
9
R992
R991
R990
R951
R949
Q905
Q903
Q907
Q904
R917
R952
D906
R920
C907
C901
JR903
C905
C927
R980
R958
R957
R926
R91
9
C913
C91
7
Q906
C910
R985
C921
C90
3
R901
R909
R90
8
R904
R918
R921
R929 R930
R903
R939
R902
D905
R983
R954
Q901
Q902
R905
R93
3
R934
R910
R911
R984
R907
R953
R906
R93
5
R948
R94
3
R94
0
R928
R927
R924
R923
C902
D953
S952
JW923
D909
FL901
JW905
D951
IC951
RV952
S951
S954
C912
JW925
JW901
JW922
JW919
JW918
JW902
JW904
JW907
JW927
JW921
JW903
JW924
JW916
JW917
JW915
JW920
JW914
JW908
JW909
JW910
JW9
11
JW912
JW9
13
C904
JW906
JW926
C916
C920
C90
9
C922
1
4
14
39
49
52
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
10
11
12
TOP PANEL BOARD
1
3
USB
DMPORT
BLUETOOTH
CD
TUNER/BAND
(HX50BTR/HX70BTR/HX90BTR)
(HX80R)
TUNER/BAND
/CANCEL
FUNCTION
SEARCH
SEARCH/DAB
AUTO SCAN
CD
USB
(HX50BTR/HX70BTR)
(HX80R/HX90BTR)
TUNE –
.-
.-
TUNE +
+
–
ENTER
CD-USB SYNC
/REC1
USB MENU
DSGX
F
MAIN BOARD
CN507
1-876-117-
12
(12)
PANEL BOARD
BLUETOOTH
BLUETOOTH OPR
(HX50BTR/HX70BTR/HX90BTR)
E
E
E
E
E
E
E
3
1
S970 – 976
S965 – 968,
S961 – 963,
S951 – 954,
15
1
G
MAIN BOARD
CN502
FLUORESCENT
INDICATOR TUBE
HX50BTR/HX70BTR/
HX90BTR
HX90BTR
E
E
A
K
A
K
K/A
K/A
E
E
A
K
K/A
3
1
1-876-118-
12
(12)
STANDBY
D951
VOLUME
ROTARY
ENCODER
(Page 30)
(Page 30)
Ref. No. Location
• Semiconductor Location
Ref. No. Location Ref. No. Location
D903
B-8
D905
C-5
D906
C-5
D907
C-8
D909
B-9
D911
B-6
D951
B-11
D953
B-3
IC901
B-6
IC951
B-10
Q901
B-4
Q902
B-5
Q903
B-6
Q904
C-5
Q905
B-6
Q906
C-7
Q907
C-7
Q908
C-4
Q951
B-11
Q952
B-11
Q953
B-3
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