Block Diagram And Schematic Diagram - Pioneer GM-9027ZT/UC Service Manual

1

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

A
3.1 BLOCK DIAGRAM
A
DSP UNIT
VCC
CRYSTAL
OSCILLATOR
8
2
1 1
IC231 IC241
CK
TC7WU04F TC7W74FU
3
7
B
A/D
DSP
IC181
AK5351VF
7 IC201
21
AINL- 18
PD2061A
SDATA SDI1
6 19
AINL+ SDI0
17 15
19 18
DSP
IC251
PD2061A
C
PD5791B
SYSTEM CONTROLLER
15
D
SPEED
12
10
ASL
5
NJM2068MD
VR401
MIC401
Q401
MIC
E
F
8
1
2
VCC
8
2
D
3
q
FRONT DAC
FRONT LPF
5
XTI IC261
IC311 1
AK4321VF
8 3 NJM2068MD
AOUTL
SDATA
18
REAR DAC REAR LPF
5
IC281
XTI
1
IC331
AK4321VF
3
NJM2068MD
16 8
AOUTL
SDO1 (RDATA)
SDATA
18
16
WOOFER DAC WOOFER LPF
5
IC291
XTI
IC341 1
AK4321VF
3
NJM2068MD
8 AOUTL
15
AOUTR 18
SDATA
SDO2 (WDATA)
17
Q291
68
21
PEE
SYSTEM MUTE
Q175
31
SMUTEIN
ACC SENSE
Q155
17
ASENS
16
IC101 BSENS
RESET
2
9
1
IC131
RESET
S-80730ANDT
79
NAVIMUTE
22 2
AVCIN
23 1
AVCOUT
20 8
AVCPW
1
MUTE
PWSENS 65
74 76 66
7
8
IC402
1
8
3
IC401
NJM2068MD
Q161
2
3
B
AMP UNIT
CN102 CN905
FRONT-L
OPE AMP
IC701
FLO FLIN
13 13
NJM2068MD
3
6
PEE 2
P
SYS4
REAR-L
OPE AMP
IC702
RLIN
RLO NJM2068MD
11 11
3
ELECTRONIC
6
VOLUME
22
3
OUT1
IN1 SYS4
IC351 20
5
OUT3
IN3
PM0017AM
18
7
SUB WOOFER
IN5 OUT5
OPE AMP
IC703
WFO WFIN
9 9 NJM2068MD
2
6
SYS4
1
5 5
7
6 6
5V REGULATOR
Q903
VDD5 VDD5
16
VDD 3
P
PEE PEE
8
11
MUTI
MUTIN
13 6
ACC1 ACC1
6
13
BACK UP SENSE
Q151
BU1
BU1
7 12
Q171
NMUT1 NMUT
12 7
NAVI/MUTE
BUS DRIVER
6 TXH TXP1
15 4
IC141 7
HA12187FP
MUTEO
MUTO
9 10
OFFSET SENSE
FS FS
5 14
Q913
Q101
SYSA5
2
AVDD 17
SYSD5 SYS5
DVDD 18 1
SYS8
SYS8
16 3
SYS4
SYSP1 SYSPW1
8 11
SPD1 SPD1
10 9
SPEED SENSOR PULSE
CN101 CN906
GM-9027ZT/UC
3
4
FRONT
POWER AMP
9
11 (FLP)
IC801
1 PAL006A
10 7
(FLM)
Q801
4 22 25
STBY1 PMUT
Q831
REAR
POWER AMP
7
(RLM)
9
IC802
11
(RLP)
17
PAL006A
10
1 19
4 22 25
Q802
STBY1 PMUT
Q832
SUB WOOFER
POWER AMP
7
11
IC803
9
1 10 PAL006A
Q803
25
4 22
PMUT
STBY1
Q833
Q950
A
(FSW)
B
C
AUDIO INPUT
BUFFER
2
MUTE
IC501
(H/U MUT)
6
NJM2068MD
BU1 CN902
Q915
MUTE
Q910
Q912
PMUT
Q909
Q911
B
(FSW)
MUTE
A
/STBY 6
2
7
IC903
M51957BFP
SYSTEM
5V REGULATOR
POWER SWITCH
Q904
IC902
1
3
BA178M05T
STBY1
8V REGULATOR
Q906
IC901
1
3
NJM2930F08K
SYSPW1
BU
Q907
C
4
L901
BU
CN901
B.U
WFL- WFL+
RL+
RL-
FL- FL+
OUTPUT
CONNECTOR
(SPD)
INPUT
CONNECTOR
(SPD)
SPD
L+
L-
N-MU
ACC
TX+
TMUT
(ML-) (ML+)
BU