Sony CMT-HX3R Service Manual ▷ View online
HCD-HX3
HCD-HX3
6-11. PLACA DE CIRCUITO IMPRESSO – Seção AMP –
•
Veja a pág 26 para localização das placas de circuito
:Usa solda sem chumbo.
Q
7
0
1
C
7
9
4
R
7
9
3
R792
Q753
R719
R720
C712
C766
R713
R714
R
7
1
1
R
7
1
2
C788
C787
C
7
7
9
C784
C726
R781
R782
R
7
8
3
R
7
8
9
C
7
8
0
C
7
9
9
C746
R749
R748
C743
R751
C706
R733
R
7
3
1
R747
R746
R
7
9
0 R741
R
7
8
8
R
7
8
7
R
7
8
4
R745
IC703
C730
R765
C733
C767
C762
R769
R770
R701
C742
C764
IC707
R752
R754
Q702
Q703
R757
C756
C765
Q752
C
7
7
8
R728
R727
IC701
IC705
R780
X702
IC709
C758
R778
R
7
7
7
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
Q
SPEAKER
BOARD
CN870
P
SPEAKER
BOARD
CN850
R
SWITCHING
POWER
BOARD
CN31
L
MAIN
BOARD
CN310
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
(Page 35)
(Page 41)
(Page 35)
(Page 29)
•
Localização dos
Semicondutores
Ref. No. Local
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
33
HCD-HX3
HCD-HX3
6-12. DIAGRAMA ESQUEMÁTICO – Seção AMP –
•
Veja a pág 36 para formas de onda.
•
Veja a pág 43 para diagrama em blocos do IC.
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
R784
R785
R786
R787
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
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
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
10V
0.001
100
10V
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
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
IF
T
S
C
L
A
T
C
H
/O
T
W
/S
D
/R
S
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
_B
OC_
ADJ
ADJ
/RST
_CD
PWM
_D
_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
µ
H
10
µ
H
10
µ
H
10
µ
H
0
1
µ
H
0
Q707
KTC3198
+12V
REGULATOR
P
Q
R
(Page
31)
(Page 35)
(Page 35)
(Page 42)
34
HCD-HX3
HCD-HX3
6-13. PLACA DE CIRCUITO IMPRESSO – Seção OUTPUT –
•
Veja a pág 26 para localização das placas de circuito
:Usa solda sem chumbo.
6-14. DIAGRAMA ESQUEMÁTICO – Seção OUTPUT –
J981
J982
CN903
C991
R941
R942
C997
C987
R932
R931
C982
C984
C990
FB982
FB983
C989
C999
J860
CN870
CN850
C854
C851
C852
C853
N
MAIN BOARD
CN301
HEADPHONE BOARD
1-873-247-
AUDIO IN
PHONES
(CHASSIS)
E982
AMP BOARD
CN703
Q
SPEAKER BOARD
1-873-246-
SPEAKER
R
L
AMP BOARD
CN702
P
A
B
C
D
E
F
1
2
3
4
14
(14)
14
(14)
CN903
C989
C999
FB983
FB982
C982
C984
C997
C987
R942
R932
R931
EP982
J981
J982
R941
CN870
C851
C852
C853
C854
CN850
C991
C990
9P
0.022
0.022
0
0
0.1
0.1
470p
470p
100k
100k
1k
1k
2P
470p
470p
470p
470p
3P
0.1
0.1
AUDIO IN L
AUDIO IN GND
AUDIO IN R
DGND
HP L
HP R
HP DET
AUDIO IN DET
(CHASSSIS)
AUDIO IN
PHONES
+
+
-
-
L
R
SPEAKER
J860
(Page 29)
(Page 33) (Page 33)
(Page
32)
(Page 34)
(Page 34)
35
HCD-HX3
HCD-HX3
•
Formas de onda
– Placa CD – – Placa MAIN – – Placa AMP –
1
IC101
ia
(RFi)
(CD play mode)
0.5 to 1.3 Vp-p
200 mV/DIV, 500 ns/DIV
2
IC101
wf
(XO)
(CD play mode)
59.1 ns
3.3 Vp-p
1 V/DIV, 20 ns/DIV
ws
IC301
qd
(XOUT)
1 V/DIV, 100 ns/DIV
200 ns
3.3 Vp-p
wa
IC301
qa
(XCOUT)
1 V/DIV, 10
µ
s/DIV
30.5
µ
s
2.5 Vp-p
22.8
µ
s
3.2 Vp-p
ea
IC701
7
(LRCK)
1 V/DIV, 10
µ
s/DIV
es
IC701
8
(BCK)
1 V/DIV, 100 ns/DIV
324 ns
3.6 Vp-p
ed
IC703
8
(Q2)
1 V/DIV, 50 ns/DIV
82 ns
4 Vp-p
ef
IC709
4
1 V/DIV, 10 ns/DIV
20.3 ns
3.9 Vp-p
ra
IC901
1
5 V/DIV, 20
µ
s/DIV
48.4
µ
s
9 Vp-p
rd
IC901
3
2 V/DIV, 20
µ
s/DIV
48.4
µ
s
4.6 Vp-p
rs
IC901
2
2 V/DIV, 20
µ
s/DIV
48.4
µ
s
5.1 Vp-p
rf
Q906, 907 (Base)
5 V/DIV, 20
µ
s/DIV
48.4
µ
s
6.5 Vp-p
rg
Q906, 907 (Collector)
5 V/DIV, 20
µ
s/DIV
48.4
µ
s
10.4 Vp-p
qa
IC901
ud
(X2)
1 V/DIV, 50 ns/DIV
111 ns
3.7 Vp-p
qs
IC319
2
(SW)
5 V/DIV, 200 ns/DIV
582 ns
12.4 Vp-p
– Placa USB – – Placa FRONT PANEL –
– Placa USB POWER –
36
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