Block Diagram And Schematic Diagram; Block Diagram - Pioneer GM-8437ZT Service Manual

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3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

A

3.1 BLOCK DIAGRAM

A
DSP UNIT
27
LOUT1
A/D & D/A (FL)
32
RIN
25
(RL)
LOUT2
IC251
31 23
AK4529XQ (CTR)
LIN LOUT3
24
ROUT3 (WF)
XTI
39
MCLK1
DATA,BCK,LRCK
B
DSP
IC311
AK7706VTA
IC301
AK7706VTA
MCLK3
MCLK2
16 16
A0-16
IO0-7
we,oe
IC321
8
VDD5
IC62C1024AL-70TI
C
46 48
44
TE
L 13942296513
IC101
PD5769B
SYSTEM CONTROLLER
D
10 12
X101
E
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F
6
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EXTERNAL INPUT
MUTE FOR
FRONT LPF CHANGE
EXTERNAL
1 1
(FL)
INPUT CHANGE
IC351 IC451
2
2
4
NJM4580MD TC74HC4066AFT
(FL)
REAR LPF
1 1
(RL)
IC361 IC461
2 2
4
NJM4580MD
TC74HC4066AFT
(RL)
WOOFER LPF
1 1
2
(CTR)
IC371 IC471 2
6 7 5
NJM4580MD TC7W66FU
(CTR)
(WF)
(WF)
X271
1
7
IC271 8
VDD5
TC7WU04F
2
(BEEP)
(ASL1)
74
47
21
BEEP
31
SMUTEIN
RESET
9 1
IC186
reset
S-80835CNUA-B8U
17
asens
16
bsens
20
AVCPW
22 2
AVCIN
1
23
AVCOUT
65
PWSENS
40
MUTE
64
calib
36
TELMUTE
15
66
SWITCHED 5V
Q101
Q102
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B
AMP ASSY
CN102 CN905
ELECTRONIC
VOLUME
GAIN ADJ
18
FLO FLIN 3
7 IC701
OUT5 13 13
IN5
NJM4580MD
5 20
IN3 OUT3
BEEP
IC551 RLIN
RLO
11 11
PM0017AM
3
22
IN1 OUT1
CTRIN
CTRO
9 9
4 21
IN2 OUT2
GAIN ADJ
WFO WFIN 5 IC751
10 10
NJM4580MD
6V REG.
Q851
SYS801
VCC 6
6 SYS8
SYS4
INT1IN INT1O
2
2
BEEP
1
1 BEEP
ASL1
3 3
ASL1
LIN LOUT
5 5
RIN ROUT
4 4
CN906
CN101
SYSTEM MUTE
MUTI
MUTIN
12 7
2
VDD5
Q Q
ASEN
ASEN
14 5 3 6 7
BSEN
BSEN
3 16
BUS DRIVER
8
TXH TXP
6
8 11
IC191
HA12187FP
5 TXL TXM
9 10
FS FS
5 14
Q901
VDD5
VDD5
VDD 1 18
VDD5
PMUT
MUTEO
MUTO
7 12
Q634
HSW HSW
6 13
B
TMUT
2 17
TMUTEIN
SYSA5
VA5 17 2
SYSD5 SYS5
VD5 18 1
VDD5
SYS8
SYS4
SYS1
SYS1
10 9
SWDVDD
Q907
SPD1 SPD1
11 8
SPEED PULSE SENSE
C
ASL UNIT
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MIC401
MIC
GM-8437ZT/WL
3
4
2 9 9 4
8
POWER AMP
17
(FLP)
1
15
19
(FLM)
IC803
3
PAL006A
2
(RL-)
12
5
(RL+)
4 22 10 Q833
STBY1
PMUT
Q803
FSW
POWER AMP
23
14
(CTR-)
21
7 12 (CTR+)
IC802
PAL006A
3
(WF-)
6
5
(WF+)
4 22 10
Q802
FSW
STBY1 PMUT
Q832
Q831
A
BALANCE→UNBALANCE
1 2 LINP
IC501
7 6 RINP
NJM4580MD
5
1
3
INT1+
IC640
8 NJM4580MD
SYS8
VOICE INTERRUPTION
INPUT DIFFERENTIAL
OPERATIONAL AMPLIFIER
Q601
ACC SENSE
Q922
SWDVDD
1 3 1 5 0 5 8 2 9
Q921
MUTE
BU1
BACK UP SENSE
BU1
Q902
2
IC903
3
S-812C56AUA-C3K
Q903
µCOM VDD
ACC
SYS8
SYSTEM
MUTE
Q633 BSENSE
STBY1
MUTE
Q632
MUTE
Q631
5V REGULATOR
Q904
IC902
1 3
BA178M05T
8V REGULATOR
Q906
1 IC901
3
NJM2930F08K
SWITCHED 5V
Q905
SWDVDD
SYSPW1
SYSTEM POWER
Q908
Q909
ASL1
SYS8
CN404
3 4
2 1
CN403
m
ASL
co
VR401
Q401
8 8
5 7 3 7
IC401 IC402
.
NJM4580MD NJM4580MD
1 5
4
2 8
9 9
OUTPUT
CONNECTOR
CN901
FL- FL+
RL- RL+
WF- WF+
CTR+
CTR-
BU1
TEL MUTE
Q621
B
CN902
ACC
SPD
TX+
TX-
R+
L+
9 4 2 8 9 9
INPUT
CONNECTOR
OUTPUT OFFSET
Q913
INDICATION
FSW
A
BU1
VDD5