Sony HCD-HX3, Руководство по обслуживанию

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HCD-HX3/HX5/HX7
37 37
HCD-HX3/HX5/HX7
6-19. SCHEMATIC DIAGRAM – AMP Section (HX3/HX7) –
•
See page 41 for Waveforms.
•
See page 46 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
CN705 C711
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 C741 C734
L702
IC701
C733
C732
R729
R751
C749
R731
C831
C832
C740
C804
C731
L701
10
µ
H
C743 C742
C738
C748
R701
D701
D702
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
R730
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
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 560p
CXD9845AM
0.1
0.1
100
3.3
0.1
100
16V
100
100
100
100
4P
2P 220
16V
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
0.01
0.01
10
50V
0.001
0.1
0.1
0.001
100
10V
MC74VHC1GU04
22
0.0047
47k
0.01
100
100
470
MC74VHC74DTR2
0.1
10
50V
10
50V
0.1 0.001
PCM1803DBR
0.1
0.1
1k
100
0.1
470
0.1
0.01
220
10V
0.001
100
10V
0.01 0.01
10 50V
10 50V
100
MMDL914T1
MMDL914T1
2.2
50V
2.2
50V
19P
100
0.01
100
1
1
2SC3052
1
1
47 35V
0.001
47k
NJM2871BF18
NJM2871BF33
15k
0.1
100
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
GND
+12V
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
GVDD
_A
GVDD
_B
OC_
ADJ
/RST
_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
10
µ
H
10
µ
H
1 µ H
10 µ H
P1
Q1
R1
S1
(Page
34)
(Page 40)
(Page 40)
(Page 45)
(Page 45)