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DVP-C660/C670D/C675D
4-45
4-46
AI-18 (AMP, LPF) SCHEMATIC DIAGRAM
• See page 4-39 for printed wiring board.
– Ref. No.: AI-18 board; 2,000 series –
AMP, LPF
AI-18 (3/5)
B+
B+
B+
B+
B+
B+
0
0
0
-9.1
C670D/C675D
0
D0.7/C-8.9
0
D0.7/
C-8.9
C660
C670D/C675D
B-
B+
B-
C670D/C675D
B+
B+
B+
B+
B+
B+
B+
B-
B+
B+
B-
C670D/C675D
C670D/C675D
C670D/C675D
:C670D/C675D
:C660
C660
C670D/C675D
C660
C670D/
C675D
C660
C670D/C675D
C670D/C675D
C660
C660
C660
C670D/C675D
NO MARK:DVD/CD PLAY
D:DVD PLAY
C:CD PLAY
0
0.8
-9
0
0
0
0
8
7.3
-9
7.2
0.1
3.3
3.3
0
3.3
0.7
0
0
0
0
8
-9.1
0
0
0
0.7
0
3P
CN702
HP_L
1
HP_GND
2
HP_R
3
1SS355TE-17
D704
FB705
1k
R774
FB706
220k
R004
J702
220k
R007
JL725
47k
R778
2SD601A-QRS-TX
Q710
JL724
R_IN
L_IN
MEGAMUTE
SW+5V
RY701
1
8
3
2
4
6
7
5
JL721
JL722
JL723
470
R795
470
R796
100p
C777
100p
C778
470
R006
470
R005
*
C772
10k
R736
4700
R769
UN2113-TX
Q716
100p
C774
47p
C759
33k
R772
+8V
8200
R733
33k
R766
0
R794
0.001u
C769
1500
R740
NJM4556AM-TE2
IC706
1
2
3
4
5
6
7
8
16V
220u
C765
0
R793
0
R783
100k
R782
SW+3.3V
16V
220u
C764
33k
R756
33k
R780
50V
10u
C754
0
R792
0.001u
C768
33k
R755
100k
R761
33k
R752
33k
R779
2SD1938(F)-T(TX).SO
Q711
100k
R777
0.1u
C720
0
R765
4700
R771
0
R764
100
R775
2SD1938(F)-T(TX).SO
Q706
560p
C735
560p
C734
2SD1938(F)-T(TX).SO
Q707
47p
C762
0
R797
10k
R770
P_GND
1500
R738
2SD1938(F)-T(TX).SO
Q712
10k
R743
150p
C737
*
C771
150p
C733
470
R753
2SD1938(F)-T(TX).SO
Q714
100p
C773
2SD1938(F)-T(TX).SO
Q715
560p
C728
0.01u
C753
8200
R729
C738
150p
150p
C732
100k
R760
470
R787
A_MUTE
150p
C739
16V
47u
C748
UN2213-TX
Q718
1500
R739
2SC2712-YG-TE85L
Q717
470
R788
47k
R757
2SD1938(F)
-T(TX).SO
Q709
10k
R767
10k
R791
4700
R768
47k
R758
10k
R742
50V
4.7u
C770
C736
150p
560p
C729
100k
R785
390
R786
16V
100u
C760
470
R789
1500
R741
50V
10u
C755
C731
150p
0
R784
50V
10u
C756
100k
R773
470
R790
50V
1u
C727
8200
R730
16V
47u
C749
1k
R781
0.01u
C763
-8V
50V
10u
C752
0.01u
C757
2SD1938(F)
-T(TX).SO
Q708
0.1u
C719
DAN202K-T-146
D705
1
2
3
8200
R734
16V
100u
C761
470
R754
100
R776
33k
R759
UN2113-TX
Q713
EVER+5V
BA4558F-E2
IC704
1
2
3
4
5
6
7
8
220u
16V
C726
C730
150p
MUTE_V
0.01u
C758
0.1u
C725
100p
C776
J701
100p
C775
10k
R737
50V
1u
C721
FS
ET701
FB707
FB709
FB708
FB710
D706
1SS355TE-17
C779
16V
1000u
10
R706
1
A
L
AUDIO IN
R
AMP/LPF
IC704
HEADPHONE
AMP
IC706
SIGNAL PATH
SIGNAL
AUDIO
PB
E
7
2
B
3
J
13
10
8
14
05
K
5
6
F
4
G
9
C
D
AI-18 BOARD (3/5)
12
11
1
10
2
9
AI-18 BOARD (5/5)
AI-18 BOARD (5/5)
AI-18 BOARD (5/5)
(SEE PAGE 4-54)
HP-128 BOARD
CN501
AI-18 BOARD (2/5,5/5)
AI-18 BOARD (2/5,4/5)
AI-18 BOARD (5/5)
AI-18 BOARD (2/5)
AI-18 BOARD (5/5)
AI-18 BOARD (4/5)
AI-18 BOARD (4/5)
FILTER CONT DRIVE
FILTER CONT
Q716-718
MUTE DRIVE
MUTE
MUTE
MUTE
Q708,709
MUTE
FILTER CONT
MUTE
3300p
*C771,772
3900p
R
L
1
2
R
L
AUDIO OUT
RELAY
DRIVE
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299