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
33
33
6-17. SCHEMATIC DIAGRAM - MAIN Section (3/3) -
• See page 44 for IC Block Diagrams.
R116
R216
R117
C212
R103
IC701
Q702
R715
IC751
IC753
IC754
R751
R752
R761
R764
Q504
Q551
IC551
R578
Q555
R584
C566
R585
C562
Q716
R308
R346
C207
Q703
Q706
Q707
Q387
Q389
Q392
Q426
Q325
Q554
Q511
Q704
C702
Q393
CN501
D551
C247
R226
R228
C148
R128
R504
R521
JR101
JR201
Q388
C516
R102
R202
R101
R201
R708
R705
R707
CN720
R362
R709
R710
R711
C716
R732
R731
R71
3
CN701
R115
R113
C564
C112
C107
R215
R211
R111
R112
R212
R213
R577
R575
R217
IC510
R561
R20
3
C701
C208
C108
C563
R107
R207
C751
C753
C754
C361
C356
C355
C706
C722
S001
CN001
CN751
R510
C248
C147
R126
C715
47
47
100k
220
10V
10V
1k
BA6956AN
KTC3205Y-A
100k
TC74VHC157FT
TC74HC4066AFT
TC74HC4066AFT
100
10k
100k
100k
RT1P141C
RT1P141C
NJM4580MD
2.2k
KTC3198GR
1k
100
16V
16V
10k
220
10V
ISA1235AC1TP-1EF
100
47
1
50V
KTC3203Y-A
KTC3203Y
RT1P141C
RT1N141C
RT1N141C
RT1N141C
RT1N141C
RT1N141C
RT3X99M
RT3X99M
RT1P141C
470
10V
RT1N141C
8P
1SS355W
1
50V
100k
100k
1
50V
100k
1k
10k
0
0
RT1N141C
0.1
47k
47k
4.7k
4.7k
0
1k
1k
5P
100
22
22
22
1
22k
22k
100k
27P
22k
4.7k
220
10V
10V
220
10V
10V
1 50V
22k
1k
1k
100k
100k
4.7k
22k
2.2k
100k
MC14052BD
TR2
2.2k
1k
470
10V
10V
22p
22p
0.1
10k
10k
0.1
0.1
0.1
1
1
1
1
0.1
5P
21P
10k
1
50V
1 50V
100k
0.1
C1
C2
C3
C4
C5
C6
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B13
B14
B15
B18
B20
B21
B22
B23
B24
B25
1
100
38
36
35
2
3
19
5
6
7
21
23
25
51
52
53
87
89
88
92
93
94
95
26
54
86
85
C2
B2
E2
E1
B1
C1
C2
B2
E2
E1
B1
C1
VC
O+
O-
VM
VCC
I+
I-
GND
GND
INH
VEE
GND
VCC
Y0
Y2
Y
Y3
Y1
X3
X0
X1
X2
A
B
X
GA
T
E
ST_REQ
GPI
N/AIN
SFSY/
BCKI
N
MGN
D
VM(7V)
DVDD(
3.3V)
D-OUT
DGND
SBSY
REQ
CCE
BUC
K
BUS3
BUS2
BUS1
BUS0
RST
AGND
L-OUT
DACGND
R-OUT
AV
D
D(3
.3V)
1A
1B
2B
2A
2C
3C
GND
VCC
1C
4C
4A
4B
3B
3A
CLOSE SW
OPEN SW
DGND
CLOSE
OPEN
AUDIO IN L
AUDIO IN GND
AUDIO IN R
HP GND
HP L
HP R
HP DET
AUDIO IN DET
1A
1B
2B
2A
2C
3C
GND
VCC
1C
4C
4A
4B
3B
3A
A
/B
1A
1B
1Y
2A
2B
2Y
GND
VCC
G
4A
4B
4Y
3A
3B
3Y
DA
T
A
CLOCK
LRC
K
CCE
BUC
K
BUS3
BUS2
BUS1
BUS0
DVDD3
.3V
DVSS
USB-RST
ST
-REQ
REQ
GA
T
E
A-I
N
BCK
USB
-SI
USB
-SO
DI
DO
DA
T
A
CLOCK
VCC
GND
(3/3)
OUTPUT
LOADING MOTOR DRIVE
SELECTOR
INVERTER
MUTING
Q511
MUTING
Q389,504
CONTROL SWITCH
Q387,551
MUTING CONTROL
SWITCH
Q554 MUTING
HEADPHONE
AMP
RIPPLE
FILTER
FILTER
SELECTOR
DATA
INVERTER
BUS SWITCH
M-MU
TE
ZDET/LRCKIN
Q426,716
CONTROL
SWITCH
REGULATOR
+3.3V
Q392,706,707
REGULATOR
+3.3V
Q393,702-704
BUS
SWITCH
DISC TRAY
OPEN/CLOSE
DETECT
M001
(LOADING)
CLOSE
OPEN
HX50BTR/
HX90BTR
HX70BTR/
(HX80R)
(HX80R)
SHUT DOWN
(Page 31)
(Page 39)
(Page 23)
(Page 25)
(Page 32)
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
34
34
6-18. PRINTED WIRING BOARD - AMP Board (HX50BTR/HX80R/HX90BTR) -
•
: Uses unleaded solder.
• See page 21 for Circuit Boards Location.
Q701
C79
4
R79
3
R792
Q753
R719
R720
C712
C766
R713
R714
R71
1
R71
2
C788
C787
C779
C784
C726
R781
R782
R78
3
R789
C780
C799
C746
R749
R748
C743
R751
C706
R733
R731
R747
R746
R79
0 R741
R788
R78
7
R784
R745
IC703
C730
R765
C733
C767
C762
R769
R770
R701
C742
C764
IC707
R752
R754
Q702
Q703
R757
C756
C765
Q752
C778
R728
R727
IC701
IC705
R780
X702
IC709
C758
R778
R777
R776
C804
R726
C715
R718
R771
C714
C725
C713
C716
C717
R707
R724
C760
R756
R759
L702
C722
R725
R774
C724
C723
C846
C845
R710
C745
C806
R785
C783
C761
L704
R708
C786
C832
C831
R706
R742
C785
R750
C797
IC704
L705
R740
L703
R722
C737
C739
R744
R743
C732
L701
C796
R772
C744
C801
R768
R739
C775
C763
C704
IC702
C718
C768
C736
C752
R773
C741
R786
C772
R775
R721
C774
C773
C847
R709
C844
C754
R755
CN702
CN703
C702
C720
C753
C710
C729
C728
L710
EP703
C798
C747
C740
C735
C709
C757
L761
C731
C751
C701
C791
C708
C770
C719
C738
C781
C707
C777
C790
EP701
EP702
L711
L760
C769
CN700
CN704
R809
R807
R803
R802
R808
R805
R804
C854
C851
Q707
C856
C855
E
E
E
E
E
E
AMP BOARD
(COMPONENT SIDE)
1-869-747-
21
(21)
1
8
7
14
1
14
7
8
1
12
13
36
25
24
48
37
3
1
18
1
19
36
4
5
(CHASSIS)
(CHASSIS)
(CHASSIS)
AMP BOARD
(CONDUCTOR SIDE)
1-869-747-
21
(21)
5
4
1
1
3
5
4
3
1
4
1
1
2
2
N1
SP
TERMINAL
BOARD
CN870
M1
SP
TERMINAL
BOARD
CN850
P1
SW POWER
BOARD
CN31
J1
MAIN
BOARD
CN510
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
(Page 30)
(Page 38)
(Page 42)
(Page 38)
Ref. No. Location
• Semiconductor
Location
IC701
D-7
IC702
D-9
IC703
C-7
IC704
B-9
IC705
C-6
IC707
C-5
IC709
B-6
Q701
E-4
Q702
E-2
Q703
E-2
Q707
E-13
Q752
B-2
Q753
B-2
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
35
35
6-19. SCHEMATIC DIAGRAM - AMP Board (HX50BTR/HX80R/HX90BTR) -
• See page 28 for Waveforms. • See page 44 for IC Block Diagrams.
R792
R749
IC705
R747
R773
R706
R708
R709
R711
R712
C713
C716
C706
CN702
CN703
C844
C845
C722
C723
R724
R725
C724
C725
R726
R728
R727
C726
Q702
Q703
R739
R740
R721
R718
C846
C847
C772
C773
R774
R775
C774
C775
R772
R771
R768
R776
R778
R777
C778
Q752
Q753
C794
R793
C769
C791
R765
C719
C702
R770
R719
C712
C707
R707
C714
C764
R720
R769
C756
C768
C763
C766
C767
C709
C718
C765
C708
C715
R710
C717
IC707
C762
C760
R755
R757
C758
C790
R756
R713
R752
R754
CN704
R78
4
R78
5
R786
R78
7
R788
R789
C787
R790
C788
L704
R783
C785
R782
L705
C783
C784
R781
X702
C780
C779
C799
C781
C806
R744
R748
R741
C745
C746
R742
C747
C797
C761
C798
C754
C752
C796
C704
C753
IC709
R780
C737
R722
C736
R745
R746
R733
IC703
C744
C757
C735
IC701
C733
C732
R751
R731
C831
C832
C740
C804
C731
C742
C738
R701
C701
C751
CN700
R714
C739
R743
C720
C728
L710
L711
L760
L761
Q701
C777
C770
EP701
EP702
C710
C786
R750
IC704
IC702
EP703
L703
R759
C730
0
0
CXD9788AR
470
10k
100
12
12
100
100
0.047
560p
0.1
2P
2P
0.1
0.1
0.0022
0.0022
4.7
4.7
0.0022
0.0022
220k
220k
100k
2.2
2SA1235
2SA1235
10k
10k
10k
10k
0.1
0.1
0.0022
0.0022
4.7
4.7
0.0022
0.0022
10k
10k
10k
220k
220k
100k
2.2
2SA1235
2SA1235
1
47k
1800
35V
C729
1000
16V
0.1
0
1800
35V
0.1
3.3
3.3
0.1
47
35V
12
560p
0.1
3.3
3.3
0.1
0.047
0.047
0.1
0.1
47
35V
0.047
0.1
47 35V
560p
12
R804
220
R802
220
R805
220
R803
220
R807
22k
R808
22
C741
2.2
R809
22k
50V
560p
CXD9845AM
0.1
0.1
100
3.3
0.1
100
16V
100
100
100
100
4P
100
100
100
100
100
100
0.001
100
0.1
22
10p
1M
10p
0.001
100
49.152MHz
0.001
0.01
0.01
10
50V
0.1
0
47k
100
0.01
0.01
10k
100
10V
10V
0.01
0.01
10
50V
0.001
C855
1
C856
0.01
C851
1
C854
0.01
0.1
0.1
0.001
100
10V
MC74VHC1GU04
22
0.0047
47k
C801
0.01
0.01
100
100
470
MC74VHC74DTR2
0.1
10
50V
10
50V
PCM1808
0.1
0.1
100
L702
0
470
1
0.01
220
10V
0.001
100
10V
2200p
C743
2200p
10
50V
100
2.2
5
0
V
2.2
50V
19P
100
L701
0
0.01
100
1
1
2SC3052
1
1
47 35V
0.001
47k
TK11118CSCL
TK11133CSCL
15k
0.1
NSPMUTE
SOFTMUTE
PGMUTE
SCD
T
SCSHIFT
SCLA
TC
H
/OT
W
/SD
/RS
T
A
B
C
C
D
D
INIT
OVF
INIT
NSPMUTE
SCLATCH
SCSHIFT
SCDT
/SD
/RST
SOFTMUTE
PGMUTE
OVF
/OTW
A
B
GND
GND
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
PROTECT DETECT
+27V
+27V
DIGITAL POWER AMP
GND
GND
BST_B
OUT_B
BST_C
OUT_C
GND
OUT_D
GND
PVDD_D
BST_D
VDD
PWM_C
M1
M2
GND
VREG
GND
GND
PWM_B
PWM_A
/SD
/OTW
/RST
_AB
_AB
GVDD
_A
GVDD
_B
OC_
ADJ
ADJ
/RST
_CD
PWM
_CD
PWM
_D
_C
BST
_A
PVDD
_A
OUT
_A
PVDD
_B
PVDD
_C
GVDD
_D
CLOCK BUFFER
VCC
NC
GND
STREAM PROCESSOR
+1.8V REGULATOR
NOISE
GND
CONT
VOUT
VIN
A/D CONVERTER
+3.3V REGULATOR
NOISE
GND
CONT
VOUT
VIN
CLOCK SHIFT
GVDD
10
μH
10
μH
10
μH
10
μH
0
1
μH
0
Q707
KTC3198
+12V
REGULATOR
M1
J1
N1
P1
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
36
36
6-20. PRINTED WIRING BOARD - AMP Board (HX70BTR) -
•
: Uses unleaded solder.
• See page 21 for Circuit Boards Location.
R795
R794
R778
R777
R776
R726
R728
C778
Q753
C703
R717
R709
R762
R761
R761
R764
Q702
R756
R754
R752
R758
R800
R735
R759
C757
R734
R770
R769
C764
C715
C767
C758
R715
R765
C765
C726
R712
R711
R714
R706
R704
R708
C708
R736
D713
R716
R720
R719
C716
C714
C717
IC708
R801
Q752
R792
R793
C794
Q701
C766
R738
IC707
Q703
C788
C787
R737
C779
C784
R781
R782
R783
R789
C780
C799
C746
R749
R748
C743
R751
R733
R731
R747
R746
R790
R741
R788
R787
R784
R745
IC703
C730
C733
R701
C742
IC701
IC705
R780
X702
IC709
C804
R727
C782
C704
C754
C844
C847
C773
C774
R72
1
R775
C772
C712
C781
C768
D756
C718
D755
C763
C775
R739
R768
C756
R772
R74
0
C845
C846
C723
C724
R774
R725
C722
C709
C759
C706
R724
D706
D705
C713
C72
5
R771
R71
8
C762
R773
L702
C745
C806
R785
C783
C761
L704
C786
C832
C831
R742
C785
R750
C797
IC704
L705
L703
R722
C737
C739
R74
4
R743
C732
L701
C79
6
IC702
C736
C744
C75
2
R786
CN702
CN703
CN700
EP701
EP702
L711
L760
L758
L759
C777
C769
C770
C798
C791
L761
EP703
L710
L708
L709
C728
C719
C720
C702
C711
C751
C795
C747
C735
C753
C793
C738
C731
C740
C701
CN704
C741
R702
C707
C801
Q707
C855
C856
C851
C854
R805
R804
R808
R803
R802
R807
R809
E
E
E
E
E
1
18
1
36
19
18
1
36
19
3
4
5
1
48
37
13
12
1
25
14
8
1
7
36
24
7
8
14
1-869-748-
21
(21)
(CHASSIS)
(CHASSIS)
(CHASSIS)
AMP BOARD
(CONDUCTOR SIDE)
AMP BOARD
(COMPONENT SIDE)
1-869-748-
21
(21)
1
1
3
5
4
3
5
4
J2
MAIN
BOARD
CN510
N2
SP
TERMINAL
BOARD
CN870
P2
SW
POWER
BOARD
CN31
M2
SP
TERMINAL
BOARD
CN850
2
1
1
1
2
4
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
E
(Page 30)
(Page 38)
(Page 42)
(Page 38)
Ref. No. Location
• Semiconductor
Location
D705
D-11
D706
D-11
D713
E-4
D755
C-11
D756
B-11
IC701
D-7
IC702
D-8
IC703
C-6
IC704
B-9
IC705
C-6
IC707
D-4
IC708
C-4
IC709
B-5
Q701
B-2
Q702
E-1
Q703
E-1
Q707
E-13
Q752
B-1
Q753
B-1
Click on the first or last page to see other CMT-HX50BTR / CMT-HX70BTR / CMT-HX80R / CMT-HX90BTR / HCD-HX50BTR / HCD-HX70BTR / HCD-HX80R / HCD-HX90BTR service manuals if exist.