8
1
2
3
4
1
2
3
4
F
E
D
C
B
A
GM-8027ZT/WL
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
13
11
9
6
13
11
9
6
3
6
9
8
13
7
16
13
10
11
12
6
7
12
IC251
PD2061A
IC181
AK5351VF
IC261
AK4321VF
IC351
PM0017AM
IC101
IC131
S-80730ANDT
IC902
BA178M05T
IC901
NJM2930F08K
Q904
Q906
Q912
Q909
Q903
5V REGULATOR
8V REGULATOR
SYSTEM
POWER SWITCH
5V REGULATOR
AUDIO INPUT
BUFFER
INPUT
CONNECTOR
OUTPUT
CONNECTOR
IC501
NJM2068MD
IC903
M51957BFP
IC703
NJM2068MD
IC803
PAL006A
SUB WOOFER
POWER AMP
SUB WOOFER
PRE AMP
REAR
POWER AMP
FRONT
POWER AMP
FRONT-L
PRE AMP
REAR-L
PRE AMP
IC701
NJM2068MD
IC702
NJM2068MD
P
PEE
3
1
11
9
7
7
9
4
11
1
3
3
1
11
7
9
2
7
6
1
7
2
6
1
3
1
3
SYS4
BU
BU1
BU1
BU
L901
B.U
WFL-
WFL+
IC802
PAL006A
IC801
PAL006A
RL-
RL+
FL+
FL-
CN901
L-
L+
TMUT
MUTE
(H/U MUT)
ACC
Q915
6
7
18
A/D CONVERTER
ACC1
ACC1
BU1
ASENS
BSENS
Q155
Q151
17
16
N-MU
NMUT
Q171
NAVMUTE
79
RESET
1
RESET
9
2
SYSTEM CONTROLLER
SYSPW1
SYSPW1
SYS5
SYSD5
1
18
17
2
SYSA5
AVDD
DVDD
16
3
SYS8
SYS8
Q161
SYSPW1
66
Q910
Q911
2
4
STBY1
4
25
25
25
Q801
Q802
Q803
PMUT
MUTEO
MUTO
1
MUTE
MUTIN
MUTI
Q175
31
SMUTEIN
Q913
PWSENS 65
MUTE
/STBY
MUTE
VDD5
VDD5
VDD
P
PEE
11
8
PEE
21
NMUT1
NAVI/MUTE
ACC SENSE
BACK UP SENSE
SYSTEM MUTE
PEE
SYSP1
CN906
CN101
CN905
CN102
FS
FS
5
14
A
A
B
B
CN902
ELECTRONIC
VOLUME
IC401
NJM2068MD
Q401
MIC
MIC401
VR401
3
ASLIN2
76
1
ASLIN1
74
IC402
NJM2068MD
5
7
ASL
8
8
IC141
HA12187FP
BUS DRIVER
AVCIN
AVCOUT
AVCPW
22
23
20
2
1
8
7
15
4
DSP
DSP
10
12
XOUT
XIN
21
IC281
AK4321VF
IC291
AK4321VF
IC311
NJM2068MD
IC331
NJM2068MD
IC341
NJM2068MD
FRONT DAC
IC231
TC7WU04F
IC241
TC7W74FU
1
7
CRYSTAL
OSCILLATOR
REAR DAC
WOOFER DAC
FRONT LPF
REAR LPF
WOOFER LPF
16
8
3
18
1 5
17
15
19 18 16 15
8
8
3
18
3
18
3
1
1
7
20
RLO
RLIN
22
FLO
FLIN
18
WFO
WFIN
ML-
ML+
17
19
(TWLP)
(TWLP)
(TWLM)
(TWLM)
(RLM)
(RLP)
(FLM)
(FLP)
AINL+
AINL-
SDATA
SDI1
SDO1
SDO0
SDO2
SDI0
SDI1
SDO1
SDO2
(FDA
T
A
)
(W
D
ATA
)
(RDA
T
A
)
VCC
8
VCC
8
3
1
2
2
3
5
5
5
(256FS)
CK
D
q
XTI
SDATA
AOUTL
XTI
SDATA
AOUTL
XTI
SDATA
AOUTL
IN1
IN3
IN5
OUT3
OUT1
OUT5
(FSW)
(FSW)
Q833
Q832
Q831
10
10
16
Q950
B
A
DSP UNIT
AMP UNIT
5
5
19
SDI0
Q291
68
DSPERR
17
AOUTR
6
SYS4
6
SYS4
6
SYS4
22
PMUT
STBY1
STBY1
22
PMUT
22
PMUT
Q101
(ASL1)
(ASL2)
SPD
(SPD)
C
(SPD)
C
Q907
10
9
SPD1
SPD1
SPEED SENSOR PULSE
15
SPEED
VDD
IC201
PD2061A
6
TXH
TXP1
TX+
OFFSET SENSE
2
2
C
MICROPHONE UNIT
GM-8027ZT/E
GM-8027ZT/WL
GM-8127ZT/EW
GM-8127ZT/WL
: PD5726A
: PD5792A
IC271
AK4321VF
IC321
NJM2068MD
SQUAWKER DAC
SQUAWKER LPF
8
3
18
1
5
XTI
SDATA
AOUTL
(TDATA)
SDO0
17
IC371
SN761029DL
2
ELECTRONIC
VOLUME
19
8
8
15
TWLIN
TWLO
1
1
4
Содержание Audio System Power Amplifier
Страница 2: ...2 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL For details refer to Important symbols for good services ...
Страница 5: ...5 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL ...
Страница 6: ...6 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL 2 EXPLODED VIEWS AND PARTS LIST 2 1 EXTERIOR ...
Страница 9: ...9 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL ...
Страница 12: ...12 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL A a A b A a A a A b 1 2 A D CONVERTER A DSP UNIT C MICROPHONE UNIT ...
Страница 13: ...13 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL A a A b A a A a A b 3 4 POWER AMP B AMP UNIT C MICROPHONE UNIT ...
Страница 14: ...14 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL A a A b A b 1 2 ...
Страница 17: ...17 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL A SIDE A FRONT B CN905 ...
Страница 18: ...18 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL A A DSP UNIT ...
Страница 19: ...19 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL A SIDE B ...
Страница 20: ...20 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL 4 2 AMP UNIT B B AMP UNIT A CN101 ...
Страница 21: ...21 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL B SIDE A A CN102 ...
Страница 22: ...22 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL B B AMP UNIT ...
Страница 23: ...23 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL B SIDE B ...
Страница 31: ...31 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL 6 ADJUSTMENT Jigs GGD1153 14P GGD1245 18P ...
Страница 51: ...51 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL 8 OPERATIONS There is no information to be shown in this chapter ...