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MV-044 (AUDIO AMP) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board.
– Ref. No.: MV-044 board; 1,000 series –
1
2
3
MV-044 BOARD (4/5)
A
XX MARK:NO MOUNT
NO MARK:DVD/CD PLAY
R664
XX
ALT-
R601
B
C601
4.7k
±0.5%
560p
ALT+
R602
R605
4.7k
5600
±0.5%
±0.5%
C603
R665
180p
XX
C
P_GND_AUDIO
D
C604
180p
R666
XX
R606
5600
±0.5%
ART+
E
R603
C602
4.7k
560p
MV-044 BOARD
±0.5%
(2/5)
ART-
R604
4.7k
±0.5%
R667
XX
F
G
H
XLMUTE
XMAMUTE
XRMUTE
B+
AU+5V
P_GND_SPDIF
SPDIF
I
MV-044 BOARD(2/5)
XA_MUTE
MV-044 BOARD(3/5)
COAX
C626
R652
XX
10k
J
MV-044 BOARD(3/5)
P_GND_SPDIF
IC604
XX
D IN
B+
VCC
GND
K
IC605
TOTX179
1.7
D IN
5
B+
DIGITAL OUT
OPTICAL
VCC
L
GND
05
4
5
6
7
R642
R612
0
R610
5600
2200
±0.5%
R658
XX
R608
R648
C606
2200
XX
180p
C614
XX
B-
B-
-9
0
4
3
2
1
4
3
2
1
C607
0.01u
R655
XX
IC601
AUDIO AMP
IC602
IC601
NJM4558M-TE2
R657
C608
XX
0.01u
5
6
7
8
5
6
7
8
1.3
11.3
B+
B+
C619
C605
XX
R650
180p
XX
R659
XX
R611
R609
5600
2200
±0.5%
R643
0
R623
XX
B+
Q613
R663
XX
XX
D605
XX
R615
XX
R668
0
CL603
CL604
D602
DAP202K-T-146
B+
R653
1k
C629
5
47u
Q611
R656
16V
1k
MSD601-RT1
2.5
BUFFER
D603
XX
C628
47u
R651
1.8
16V
68
CL605
R614
R649
R654
XX
220
1k
JL602
IC603
JL603
B+
+5V REG
IC603
JL604
NJM78L05UA-TE1
C627
C625
47u
0.01u
1
2
3
16V
5
11.3
B+
C622
0.01u
R683
SIGNAL PATH
IC605
XX
OPTICAL DIGITAL
AUDIO
OUTPUT
SIGNAL
PB
4-15
8
9
10
11
C610
47u
R626
16V
470
B-
0
R638
100k
0.8
R630
47k
R634
Q607
4700
C620
2SD1938
XX
(F)-ST(TX).SO
MUTE
R637
R639
XX
XX
XX
R629
0.8
47k
C630
R635
XX
4700
Q608
2SD1938
(F)-ST(TX).SO
MUTE
0
B+
C611
47u
R627
16V
470
R661
XX
C631
R662
XX
XX
R660
XX
B-
Q614
XX
B+
Q602,604,605
MUTE DRIVE
Q605
MSB709-RT1
10.6
10.6
C609
R624
1u
10k
9.9
50V
R622
R628
10k
10k
0
6.6
Q604
UN2217-QRS-TX
B+
0.6
R625
47k
Q602
R613
MUN2213T1
4700
D601
DAN202K-T-146
Q610
R632
XX
XX
C640
XX
C612
XX
C613
R636
R631
220u
XX
XX
16V
Q609
XX
R633
XX
Q606
XX
B+
B+
B+
B+
B+
12
13
14
R640
470
LCH_OUT
MV-044 BOARD
(3/5)
RCH_OUT
ERAUDIOL
C615
220p
C617
XX
P_GND_AUDIO
MV-044 BOARD
C618
XX
ERAUDIOR
C616
220p
R641
470
CN604
XX
JL641
1
GND
JL642
2
AU-10V
JL643
3
AU+11V
JL644
4
XMIC
JL645
5
MIC+ECHO
JL646
6
XVOICE
KRMOD
R672
R669
XX
XX
MV-044 BOARD
XVOICE
(2/5)
MIC
Q617
XX
R646
XX
Q601
B+ SWITCH
Q601
C642
R617
MSB710-RT1
XX
B+
10k
11.3
11.3
10.6
R616
R684
5600
5600
-9.5
Q603
R619
R618
MSD601-RT1
220k
100k
-9
C643
-10.9
XX
Q616
C641
-9.7
MSB709-RT1
XX
B-
-9.7
D604
1SS355TE-17
-10.3
R620
470
Q603,616
10k
B+ SWITCH
R621
C644
47u
16V
B+
EVER+11V
B-
SW-10V
R647
XX
B+
EVER+3.5V
AU+11V
B+
MV-044 BOARD
GND
4-16
DVP-NS777P
15
(3/5)
(5/5)
AUDIO AMP
MV-044 (4/5)
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