Pioneer GM-8437ZT Manuel d'entretien - Page 6

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Pioneer GM-8437ZT Manuel d'entretien
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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
www
F
6
1
http://www.xiaoyu163.com
2
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
x
ao
.
i
2
http://www.xiaoyu163.com
3
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
u163
y
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