13
11
10
4
13
11
10
4
1
14
7
10
12
3
18
5
12
9
16
7
IC251
AK4529XQ
IC551
PM0017AM
IC101
IC186
S-80835CNUA-B8U
IC902
BA178M05T
IC901
NJM2930F08K
Q904
Q906
5V REGULATOR
8V REGULATOR
µ
COM VDD
BALANCE
→
UNBALANCE
INPUT
CONNECTOR
OUTPUT
CONNECTOR
IC501
NJM4580MD
IC802
PAL006A
POWER AMP
POWER AMP
GAIN ADJ
IC751
NJM4580MD
17
19
7
5
12
23
21
1
7
2
6
1
3
1
3
SYS4
BU1
STBY1
BU1
BU1
BU1
FL-
FL+
IC803
PAL006A
RL-
RL+
CN901
R+
L+
MUTE
ACC
31
32
ASEN
ASEN
BSEN
asens
bsens
Q922
Q921
17
16
RESET
1
reset
9
2
SYSTEM CONTROLLER
SYSPW1
SYS1
SYS5
SYSD5
1
18
17
2
SYSA5
VA5
VD5
3
3
Q908
4
STBY1
4
MUTEO
MUTO
40
MUTE
MUTIN
MUTI
31
SMUTEIN
BSENSE
MUTE
VDD5
VDD5
VDD
1
1
BEEP
21
ACC SENSE
BACK UP SENSE
SYSTEM MUTE
BEEP
SYS1
CN906
CN101
CN905
CN102
CN902
ELECTRONIC
VOLUME
ASLIN
74
IC191
HA12187FP
BUS DRIVER
AVCIN
AVCOUT
AVCPW
22
23
2
1
5
8
11
IC321
7
20
RLO
RLIN
18
FLO
FLIN
22
WFO
WFIN
(FLM)
(FLP)
LIN
RIN
IN5
IN1
OUT5
OUT1
15
B
A
DSP UNIT
AMP ASSY
5
5
22
PMUT
STBY1
22
PMUT
(ASL1)
SPD
(SPD)
Q907
11
8
SPD1
SPD1
SPEED PULSE SENSE
6
TXH
TXP
TX+
A/D & D/A
IC351
NJM4580MD
FRONT LPF
2
1
OUT3
(CTR-)
(CTR+)
IC62C1024AL-70TI
DACCSN,DACCLK,DACDTI,SMUT
,PDN
1
IC271
TC7WU04F
7
X271
IC402
NJM4580MD
Q401
MIC
MIC401
VR401
3
8
IC401
NJM4580MD
5
8
ASL
7
7
3
4
2
1
C
ASL UNIT
CN404
CN403
SYS8
1
5
ASL1
ASL1
S-812C56AUA-C3K
2
3
Q901
SYS8
Q833
10
Q832
10
Q831
PMUT
Q633
VDD5
SYS8
VDD5
9
10
TXL
TXM
TX-
(BEEP)
BSEN
(ACC)
Q601
SWDVDD
20
8
SWDVDD
(TX+)
(TX-)
Q905
VDD5
SWDVDD
Q909
PD5769B
Q101
VDD5
Q102
LINP
RINP
LIN
RIN
Q631
SWITCHED 5V
SYS801
SYS8
6
6
GAIN ADJ
IC701
NJM4580MD
1
3
2
BEEP
BEEP
6
SYS4
LOUT
ROUT
5
IC361
NJM4580MD
REAR LPF
2
1
3
IC371
NJM4580MD
WOOFER LPF
2
1
IN3
27
25
23
(FL)
(RL)
(CTR)
IC301
AK7706VTA
IC311
AK7706VTA
A0-16
IO0-7
we,oe
VDD5
DSP
LOUT1
LOUT2
LOUT3
MCLK1
MCLK3
MCLK2
39
16
16
2
VDD5
8
DATA,BCK,LRCK
Q632
IC903
Q902
Q903
ACC
8
SWITCHED 5V
SYSTEM POWER
6
13
HSW
HSW
64
calib
Q634
SYSTEM
MUTE
MUTE
IC640
NJM4580MD
VOICE INTERRUPTION
INPUT DIFFERENTIAL
OPERATIONAL AMPLIFIER
INT1+
3
SYS8
8
5
IC451
TC74HC4066AFT
1
2
IC461
TC74HC4066AFT
1
2
IC471
TC7W66FU
1
2
6
ROUT3
24
(WF)
EXTERNAL INPUT
CHANGE
(FL)
(RL)
(CTR)
IN2
4
(WF)
7
MUTE FOR
EXTERNAL
INPUT CHANGE
21
OUT2
CTRO
9
9
12
14
CTRIN
3
5
(RL+)
(RL-)
CTR-
CTR+
3
5
(WF-)
(WF+)
WF-
WF+
A
A
Q803
Q802
FSW
FSW
Q913
PWSENS
65
5
14
FS
FS
FSW
OUTPUT OFFSET
INDICATION
XTI
44
46
FLMUTE
RLMUTE
48
WFMUTE
47
CTRMUTE
(FL)
(RL)
(CTR)
(WF)
Q851
6V REG.
VCC
1
2
2
ASL1
INT1O
INT1IN
4
4
5
36
TMUT
TMUTEIN
2
17
B
Q621
TEL MUTE
TMUT
B
6
1
2
4
1
2
4
F
E
D
C
B
A
GM-8437ZT/WL
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
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