Schematic Diagram - Input/Output Section - Sony HCD-DH7BT - Dvd Receiver For Cmtdh7bt Micro System Service Manual

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3 7 6 3
6-27. SCHEMATIC DIAGRAM – INPUT/OUTPUT Section –
J703
PHONES
J702
AUDIO IN
C749
W701
(CHASSIS)
C730
0.1
J701
MIC
T E
L JR701 3 C752
0 0.001
C701
0.01
R702
10k
R703 R732
4.7k 1k
Q703
2SC3052F
MUTING
R739
1k
C702
0.22
50V
C703
47p
R704
C704 100k
0.001
R705
1k
w w w
HCD-DH3/DH5BT/DH7BT
5
See page 57 for IC Block Diagrams.
FB742
0
C746 FB743
0.022 0
FB741
0
C745 R745
0.022 0
C747
0.022
R746
0
C751
0.022
R742
1k R744 C744
100k 470p
D701
UDZSNPTE
-175.1B
FB744
0 R743 C743
100k 470p
R741
1k
C722
C748 R733 47 C724
0.1 0.1 100 25V 0.047
R734
100
R723 C732
100k C723 0.022
47
25V
R722
100
(DH3/DH5BT)
DIGITAL ECHO
IC702
M65850FP-E
R701
10k
4 2 2 6 5 3
C715 C717 C718
0.001 0.047 0.47
R719 R720
22k 22k
C731
0.022
R731
220k
R718
22k
C735 R729
1 4.7k
C714
1
(DH3/DH5BT:AUS,SP) 50V
IC701(1/2) Q701
NJM4558M 2SC3052F
R706
5 BUFFER
47k R730
7
470k
6
C706
R740 C705
0.47
100k 470p C713 C707 R708
4 50V
1 1 10k
50V 50V
R707
100
C708
47p
VR701
50K
MIC LEVEL
MIC AMP R711
10k
x o
y
. i
http://www.xiaoyu163.com
5
CN701
9P(DH7BT)
9P(DH7BT)
13P(DH3/DH5BT)
13P(DH3/DH5BT)
HP DET MIC
AUDIO DET MIC SCORE
HP L +11V
HP GND MIC DET
HP R A IN R
HP GND A GND
A IN L A IN L
A GND HP GND
A IN R HP R
HP GND
MIC DET
+11V HP L
MIC SCORE AUDIO DET
MIC HP DET
C725
0.0047
VR702
50K
ECHO LEVEL
13P(DH3/DH5BT)
R724 R726 C728
22k 22k 0.047 R735
HP MUTE
22
HP DET
R725 R727
A IN L
22k 22k
A GND
C726
A IN R
0.001
C727
1 AUDIO DET
50V
HP IN R
HP GND
R715
22 HP IN L
+11V
(Page 41)
MIC DET
MIC SCORE
MIC
(DH3/DH5BT)
C729
R721
2.2
47k
50V
Q Q
3 7 6
C719 C720 R728 R716
0.47 0.1 10k 22
C710
47
C716 25V
0.0047
R714
R717
22k(DH5BT:CND,AEP) 2.2k
100k(DH3/DH5BT:AUS,SP)
R714
R709 C709
100k 47p
R738 R737
47k 47k
IC701(2/2)
NJM4558M
8
C734
10 R710
2
50V 100
1
3
R712
10k
C711
R713
220
100k
10V
u 6 3
49 49
http://www.xiaoyu163.com
2 4
8
CN702
(DH3/DH5BT)
HP IN L
MIC
MIC SCORE R371 R393
4.7k Q315 10k
R226 4.7
2SC3052F
MUTING
MIC DET
A IN R
R394
Q316 10k
A IN L
2SC3052F
MUTING
R372 R379
4.7k 4.7k
HP IN R
HP R
HP L C329
220p
AUDIO DET C344
1
HP DET
50V
R373
100k
CN309
11P(DH7BT)
HP MUTE
HP DET
IC303
NJM4580MD
A IN L
R374
100k
A IN R
AUDIO DET
C330
HP IN R
Q211 220p
HEADPHONE AMP
2SC3052F
RIPPLE
HP IN L
FILTER
MIC DET
R231 R234 R232
MIC SCORE
4.7k 22k 2.2k
MIC
C231 C232 C233
R233
220 100 100
2.2k
16V 16V 16V
3 5 5 8
CN850
3P
C851
470p
C852
470p R
(Page 47)
CN870
2P
C853 L
470p
C854
470p
(Page 47)
m
c o
.
HCD-DH3/DH5BT/DH7BT
2
8
C343
1
50V
R377 R383
10k 47
HP L
C347
220
R387
10V
Q309
10k
RT1P141C
R385 Q307
R246 4.7k 2SC5938
47k
MUTING
C274
0.1 Q308
2SC5938
MUTING
R386
4.7k
Q310
RT1N141C
Q309,310
MUTING
CONTROL
R388
SWITCH 10k R384
47
HP R
R378
C348
10k
220
10V
R380
4.7k
C234
0.1
2 4 8 2
J860
SPEAKER