MV-900SDS
27
27
MV-900SDS
6-8. SCHEMATIC DIAGRAM – MAIN Board (2/4) –
•
See page 39 for Waveforms.
•
See page 41 for IC Block Diagrams.
(Page 28)
(Page 26)
Q701
Q702
Q703
Q704
C94
D12
C144
C143
L54
C701
R703
C702
R704
C705
R705
R706
C706
C707
R707
R709
R710
R711
R712
C708
C709
R713
R714
C710
C711
R715
R716
R719
R720
C712
C713
R722
R721
R723
R724
R725
R726
Q1
R81
R82
Q2
R83
R84
Q3
D13
R85
R86
R87
R88
C149
R1733
R1734
R1709
R1710
C385
C384
L312
R377
C381
C379
L311
C376
C377
C378
C382
C383
R370
R371
R372
C396
C394
C395
L314
D321
C393
C392
IC306
C400
R368
R369
C390
C391
C389
L313
D320
IC305
C388
C386
C387
R49
R90
R57
C84
R54
RB22
RB23
RB24
RB25
D14
C83
R48
C80
R46
C146
C145
R727
C90
C91
D1
IC6
R52
FB2
FB1
C791
C790
IC701
IC7
R78
C148
C147
L53
C92
L41
C82
R47
IC3
R708
IC2
R80
C81
C135
C150
C715
C714
C717
C716
C177
C178
C794
C795
C796
C797
C703
C704
L706
L707
C792
C793
2SC2412K
2SC2412K
2SC2412K
2SC2412K
0.1
RB491D-T146
47
16V
0.1
1
50V
22k
1
50V
22k
10
16V
47k
47k
220
16V
0.1
3.3k
3.3k
3.3k
22k
22k
150p
150p
1k
1k
10
16V
10
16V
0
0
0
0
100p
100p
4.7k
4.7k
470
470
4.7k
4.7k
2SA1037AK
3.3k
100k
2SC2412K
33k
33k
2SC2412K
DAN202K
220k
120k
47
220k
100p
0
0
47k
47k
0.1
100
16V
150
100
16V
0.1
0.1
0.1
220
16V
100
16V
1000p
56k
22k
1.2k
470p
0.1
470
16V
RB161L-
10TE25
4700p
10
16V
XC63778103SR
0.1
18k
10k
470
16V
2200p
0.1
RB161L-
10TE25
XC63778103SR
4700p
10
16V
0.1
0
4.7k
0
0.1
0
10
10
10
10
RB491D-T146
0.022
10k
0.1
0
47
16V
0.1
0
0.1
0.1
RB491D-T146
HY57V641620HGTP
-HI
0
100p
100p
RC45580R
PCM1751DBQR
33k
0.1
10
16V
1
1000p
0
MBM29LV800TA
-70PFTN
3.3k
PST3645NR
10k
MA8068-L-TX
33p
10
35V
0.1
0.1
0.1
0.1
100p
100p
4700p
4700p
4700p
1000p
1000p
1000p
100p
100p
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
L-CH_AUDIO
R-CH_AUDIO
AUDIO_GND
+8V
LA0
LA1
LA2
LA3
LA4
LA5
LA6
LA7
LA8
LA9
LA10
LA11
LA12
LA13
LA14
LA15
LA16
LA17
LA18
LA19
LD0
LD1
LD2
LD3
LD4
LD5
LD6
LD7
LD8
LD9
LD10
LD11
LD12
LD13
LD14
LCS3#
LOE#
WRLL
AUX3
AUX4 O
MCLK
EAUX31
TBCK
TSDO
TWS
HA4
HA5
HA6
HA7
HA8
HA9
HA11
CKE
CLK
DQMX
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
HA0
HA1
HA2
HA3
HA10
DB0
DB1
DB2
DB3
DB4
DB6
DB5
DB7
CSO#
WE#
CAS#
RASO#
BANK1
BANK0
OUT
VDD
GND
CD
NC
SCK
ML
MC
MD
ZEROL
ZEROR
VCOM
AGND
VOUTR
VOUTL
VCC
VDD
DGND
LRCK
DATA
BCK
VSS
DQ15
VSSQ
DQ14
DQ13
VCCQ
DQ12
DQ11
VSSQ
DQ10
VCC
DQ0
VCCQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VCCQ
DQ5
DQ6
DQ9
VCCQ
DQ8
VSS
NC
DQMH
CLK
CKE
NC
A11
A9
A8
A7
A6
A5
A4
VSS
VSSQ
DQ7
VCC
DQML
WE
CAS
RAS0
CS
BA0
BA1
A10
A0
A1
A2
A3
VCC
A15
A14
A13
A12
A11
A10
A9
A8
VPP
WP#
BY#
A18
A17
A4
A6
A5
A4
A3
A2
A1
WE
RST
A0
GND
DQ0
DQ8
DQ1
DQ9
DQ2
DQ10
DQ3
DQ11
VCC
DQ4
DQ12
DQ5
DQ13
DQ6
DQ14
DQ7
DQ15
GND
A16
BYTE
OE
CE
VIN
EXT2
PBST
CE
LX
EXT1
GND
VOUT
VIN
EXT2
PBST
CE
LX
EXT1
GND
VOUT
(2/4)
SWITCHING REGULATOR
SWITCHING REGULATOR
MUTING
Q701-704
Q1,2
MUTING SWITCH
LOW-PASS
FILTER
DELAY
D/A CONVERTER
FLASH ROM
SD-RAM
GND
VCC
RESET SIGNAL
GENERATOR
(CHASSIS)
100
µ
H
100
µ
H
22
µ
H
22
µ
H
Summary of Contents for MV-900SDS - Dream System 3
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