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Block Diagram And Schematic Diagram; Block Diagram - Pioneer GM-8537ZT/WL Service Manual

Pioneer toyota/ lexus ls430 gm-8537zt/wl; gm-8537zt-91/wl car audio system power amplifier
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Table of Contents
1

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

A

3.1 BLOCK DIAGRAM

A
DSP UNIT
A/D & D/A
LOUT1
32
RIN
LOUT2
IC251
31
AK4529XQ
LIN
ROUT3
LOUT4
MCLK1
39
DATA,BCK,LRCK
DSP
B
IC301
AK7706VTA
MCLK2
16
A0-16
IO0-7
we,oe
IC321
8
IC62C1024AL-70TI
C
IC101
PD5798A
SYSTEM CONTROLLER
D
10
12
X101
E
F
6
1
2
27
(FL)
25
FRONT LPF
(RL)
IC351
24
3
(WF)
NJM4580MD
21
(SQL)
REAR LPF
IC361
3
NJM4580MD
WOOFER LPF
IC371
5
NJM4580MD
SQUAWKER LPF
IC381
3
NJM4580MD
IC311
X271
AK7706VTA
1
7
IC271
8
VDD5
TC7WU04F
MCLK3
16
2
VDD5
(BEEP)
(ASL1)
74
21
BEEP
31
SMUTEIN
RESET
9
1
IC186
reset
S-80835CNUA-B8U
17
asens
16
bsens
36
TELMUTE
35
NAVMUTE
20
AVCPW
2
22
AVCIN
1
23
AVCOUT
40
MUTE
15
66
SWITCHED 5V
Q101
SWDVDD
VDD5
Q102
2
3
B
AMP UNIT
CN102
CN905
ELECTRONIC
VOLUME
OPE AMP
18
1
3
7
FLO
FLIN
IC651
OUT5
13
13
IN5
NJM4580MD
2
5
20
1
OUT3
IN3
BEEP
IC551
RLIN
RLO
11
11
PM0017AM
7
4
21
IN2
OUT2
1
2
IC581
SQLIN
19
SQLO
FL
7
7
SN761029DL
48
OPE AMP
SYS801
3
IC652
WFO
WFIN
10
10
NJM4580MD
SYS4
SYS801
6
6
SYS8
BEEP
1
1
BEEP
3
3
ASL1
LIN
LOUT
5
5
ROUT
RIN
4
4
CN101
CN906
Q851
VDD5
VDD5
1
18
VDD
VDD5
SYSTEM MUTE
MUTI
MUTIN
12
7
2
VDD5
ASEN
ASEN
14
5
BSEN
BSEN
3
16
TMUTIN
TMUT
2
17
NAVI MUTE
NMUT
NMUT
13
6
BUS DRIVER
8
TXH
TXP
6
8
11
IC191
HA12187FP
5
TXL
TXM
9
10
Q760
MUTO
MUTEO
7
12
PMUT
Q759
BSENSE MUTE
SYSA5
VA5
17
2
SYSD5
SYS5
VD5
18
1
SYS8
SYS4
SYS1
SYS1
10
9
SWDVDD
Q753
SPD1
SPD1
11
8
SPEED PULSE SENSE
C
ASL UNIT
MIC401
MIC
GM-8537ZT/WL
3
4
FRONT
POWER AMP
17
(FLP)
1
IC701
15
PAL006A
19
(FLM)
4
22
16
10
Q701
STBY1
PMUT
A
REAR
POWER AMP
21
14
(RLP)
IC711
PAL006A
23
11
(RLM)
7
9
(SQLP)
(SQLM)
WOOFER
POWER AMP
17
(WFLP)
1
15
IC721
19
PAL006A
(WFLM)
BU1
4
10
2
22
Q721
A
PMUT
STBY1
Q731
GAIN
ADJ
B
AUDIO INPUT
BUFFER
1
3
LINP
IC601
7
5
RINP
NJM4580MD
Q854
BU1
(ACC)
IC851
2
3
S-812C56AUA-C3K
Q855
µCOM VDD
ACC
Q756
ACC SENSE
Q752
SWDVDD
BACK UP SENSE
Q751
BU1
TEL MUTE
Q755
Q757
SWDVDD
SWVDD
PMUT
SYS4
B
Q758
SYSTEM
5V REGULATOR
POWER SWITCH
Q861
IC852
1
3
BA178M05T
STBY1
8V REGULATOR
Q862
IC853
1
3
NJM2930F08K
SWITCHED 5V
Q852
SWDVDD
SYSPW1
SYSTEM POWER
Q863
Q853
ASL1
SYS8
CN404
3
4
2
1
CN403
ASL
VR401
Q401
8
8
5
7
3
7
IC401
IC402
NJM4580MD
NJM4580MD
1
5
4
OUTPUT
CONNECTOR
CN901
SQL+
SQL-
RL-
RL+
FL-
FL+
CN903
WFL-
WFL+
CN902
ACC
TMUT
SPD
N-MU
MTX+
MTX-
R+
L+
MUTE
INPUT
CONNECTOR
BU1
Q882
BU1
Q883
SYS5
VDD5
Q881
CN801
1
3
FAN MOTOR

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