DOWNLOAD Sony CDX-GT740UI / CDX-GT747UI / CDX-GT790UI Service Manual ↓ Size: 2.64 MB | Pages: 52 in PDF or view online for FREE

Model
CDX-GT740UI CDX-GT747UI CDX-GT790UI
Pages
52
Size
2.64 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
cdx-gt740ui-cdx-gt747ui-cdx-gt790ui.pdf
Date
PREV: Sony MEX-BT2800 / MEX-BT2807E / MEX-BT2850 Service Manual

Sony CDX-GT740UI / CDX-GT747UI / CDX-GT790UI Service Manual ▷ View online

CDX-GT740UI/GT747UI/GT790UI
CDX-GT740UI/GT747UI/GT790UI
21
21
4-5.  SCHEMATIC  DIAGRAM – MAIN  Section (1/4) –     
• See page 29 for IC Block Diagrams.
13
6
C
J
B
16
A
1
10
7
2
14
K
F
9
5
12
11
15
I
3
D
E
8
G
H
4
( 4 / 4 )
MAIN
BOARD
3
( 2 / 4 )
BOARD
1
MAIN
2
MAIN BOARD (3/4)
IC B/D
IC B/D
US,E MODEL
AEP,UK,RU MODEL
5.5
2.6
0.1
0
5
1.6
1.7
2.8
0
3.3
5.1
3.3
3
0
0
5.5
7.2
7.2
14.4
7.2
7.8
7.8
7.8
8.2
7.2
3.2
7.8
3.2
7.2
7.2
13.7
7.2
3.3
14.4
3.3
7.2
14.4
14
0<3.3>
5.1
10.6
6.2
8.5
13.7
8.3
0.7
0.7
0
0
3.3
3.3
0
0
13.9
13.6
0
3.3
3.3
3.3
5.1
14.4
10EDB40-T
A1B2
R603
CN701
16P
1
FL+
2
RL+
3
RR+
4
FR+
5
AMP-REM
6
ANT-REM
7
ACC
8
GND
9
FL-
10
RL-
11
RR-
12
FR-
16
+B
13
TEL-ATT
14
ILL
15
TEST
17
+B
18
+B
19
+B
TDA8588AJ/N2/R1
IC300
1
TA
B
2
SDA
3
OUT_FL-
4
SCL
5
OUT_FL+
6
VP2
7
OUT_RL-
8
PGND1
9
OUT_RL+
10
SVR
11
IN_RL
12
IN_FL
13
S-GND
14
IN_FR
15
IN_RR
16
BEEP
17
OUT_RR+
18
PGND3
19
OUT_RR-
20
VP1
21
OUT_FR+
22
STB
23
OUT_FR-
24
PGND4
25
DIAG
26
RST
27
ANT
-REM
28
CRES
29
AMP-REM
30
AUDIO+8.5V
31
SER
VO+3.3V
32
GND
33
MECH+6V
34
PANEL+9V
35
VP
36
CBU
37
BU+5V
0.22
C305
0.22
C302
0.22
C301
0.22
C306
0.01
C304
100p
C455
100p
C435
100p
C425
100p
C445
50V
10
C312
50V
10
C310
50V
10
C314
1
C443
1
C444
1
C453
1
C454
1
C423
1
C424
1
C433
1
C434
250uH
L701
16V
3300
C701
1N5404-C31
1-3
D701
0.22
C702
0.22
C703
MAZ8180GMLS0
D709
MAZ8180GMLS0
D708
MAZ8180GMLS0
D707
UDZW
-TE17-18B
D706
1000p
C708
1000p
C707
2.2uH
L301
2SC3052EF-T1-LEF
Q703
2SC3052EF-T1-LEF
Q704
0.22
C315
0.22
C316
0.01
C317
MAZ8180GMLS0
D703
MAZ8062GMLS0
D702
RT1N141C-TP-1
Q701
0.01
C603
MAZ8180GMLS0
D604
MAZ8180GMLS0
D602
MAZ8180GMLS0
D601
MA2ZD14001S0
D603
G
G
G
11P
CN600
78
456
123
16V
470
C602
TH600
J590
I
VSS
O
XC6218P332PR
IC681
0.01
C681
6.3V
330
C682
10V
1000
C683
0.01
C685
10V
100
C686
RT1P141C-TP-1
Q491
RT1N141C-TP-1
Q492
16V
47
C491
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
28P
CN200
NC
NC
SYS_RST
BU+3.3V
BU_GND
NC
V-BUS_ON
Z_MUTE
Z/Y_CHECK
D_GND
TXD
RXD
AUDIO+8.5V
USB_GND
DR+6V
DR_GND
CD_ON
CDM_ON
A_ATT
AU_LCH
AU_GND
AU_RCH
A_GND
A+3.3V
EJECT_OK
OPEN_REQ
B/U_CHECK
WAKE_UP
0.01
C205
16V
22
C206
FB202
FB401
560p
C402
560p
C401
0.01
C207
FB205
FB203
47
R491
47k
R390
150
R391
R706
1k
47k
R711
4.7k
R713
R708
10k
1k
R702
15k
R701
100
R601
100
R602
1k
R604
1k
0
R606
100
R607
100
R608
100
R610
330k
R611
330k
R612
100
R206
100
R205
1k
R401
R709
47k
R707
10k
0
R210
100
R201
100k
R560
1k
R402
0
R202
1k
R203
100k
R211
0
R212
4.7k
R703
MAZ8180GMLS0
D705
1SS355WTE-17
D704
50V
4.7
C704
2SC3052EF-T1-LEF
Q702
100k
R704
22k
R705
RT1P141C-TP-1
Q401
RB751V-40TE-17
D493
RB751V-40TE-17
D494
0
R406
1
C307
0.01
C309
0.01
C311
2.2
C392
16V
22
C204
0.01
C203
0.01
C201
50V
10
C202
S680
4.7k
R710
47k
R712
R680
100k
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BA8271F-E2
IC601
BUS_ON
RST
BATT
CLK
VREF
DATA_I/O
GND DATA_OUT
DATA_IN
B/U_CHECK
CLK_IN
BUS_IN
RST
VCC
43
12
XC61CN2802NR
IC682
VOUT
VDD
NC
VSS
100
R605
0.22
C390
47p
C391
50V
2.2
C705
1SS355WTE-17
D491
0
R991
0
R992
D31
1
10EDB40-T
A1B2
D309
10EDB40-T
A1B2
D312
10EDB40-T
A1B2
D310
10EDB40-T
A1B2
D308
10EDB40-T
A1B2
D307
10EDB40-T
A1B2
D306
10EDB40-T
A1B2
D305
10EDB40-T
A1B2
D304
10EDB40-T
A1B2
D303
10EDB40-T
A1B2
D302
10EDB40-T
A1B2
D301
25V
22
C303
16V
100
C208
0
R301
0
R302
0.01
C318
L590
FB201
0
R303
0
R609
0.1
C601
R591 FB
R590 FB
0
R213
1k
R209
1k
R208
FB207
10EDB40-TA1B2
D700
10k
R567
L206
16V
47
C308
25V
47
C320
1
3
4
5
6
7
8
9
10
11
12
13
2
34
38
40
32
35
39
33
36
29
30
31
WAKE_UP
VBUS_ON
Z_MUTE
MC_RX
MC_TX
CD_ON
CDM_ON
EJECT_OK
UNI_SI
UNI_SO
UNI_CLK
BUS_ON
ILL
RC_IN0
RC_IN1
BUIN
BUIN
I2C_SIO
I2C_SCK
TEL
ACC
BEEP
AT
T
STB
DIAG
RESET
IC300
IC682
IC681
IC601
MAIN BOARD (1/4)
37
4
REAR
ACC
12
13
L-CH
FL–
L-CH
6
FR+
+
RL–
5
8
–
11
BATT
ACC
3
R-CH
AMP REM
6
–
BATT
12
+
2
1
GND
ANT REM
14
FR–
RR–
2
11
1
RL–
RL+
FL+
10
8
13
9
BATT
RR+
+
ANT REM
3
FR+
1
15
7
16
ACC
10
3
–
14
7
–
FL–
7
+
2
16
5
GND
4
GND
4
9
RR–
6
6
4
R-CH
REAR
FR–
7
FL+
15
5
FRONT
AMP REM
RR+
8
RL+
2
ANT REM
FRONT
5
3
8
1
MUTE DRIVE
Q491,492
TEL-ATT DETECT
I2C BUS CONTROLLED
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
ACC DETECT
CD MUTE
RESET
+3.3V REG
RESET
2
3
1
BATTERY CHECK
ILL DETECT
(BUS CONTROL IN)
(REMOTE IN)
UNIT
CD
(1/2)
MECHANISM
(MG-101Z)
ILL
ATT
ILL
ILL
ATT
10A
FU601
BUS INTERFACE
(Page 23)
(Page 24)
(Page 22)
CDX-GT740UI/GT747UI/GT790UI
CDX-GT740UI/GT747UI/GT790UI
22
22
4-6.  SCHEMATIC  DIAGRAM – MAIN  Section (2/4) –     
• See page 16 for Waveforms.     • See page 30 for IC Block Diagrams.
A
10
3
D
12
9
C
13
8
5
G
1
H
E
6
4
J
B
I
7
2
15
14
K
F
11
BOARD
1
MAIN
5
MAIN BOARD (4/4)
BOARD
MAIN
4
1
4
IC B/D
IC B/D
IC B/D
IC B/D
(1/4)
(3/4)
6.3
6.3
0.8(1)
4(5.1)
3.1(3.7)
0.4(2.1)
3.9
3.9
0(1.8)
8.5
3.2(3)
3.2(3)
0(4.2)
0(1.4)
3.2
3.2
3.5
7.2
8.5
0(5.7)
0(3.9)
2.2
0(1.3)
0(1.3)
1.3(2.9)
8.5(6.9)
8.5(6.9)
3.3
2.5
0
3.1
2.4
1.6
0.7
3.2
2.9
1.5
3.1
3.2
3.2
3.2
0.6
0.3
4.2
4.2
4.2
8.5
7.8
7.2
3
2.8
8.5
2.8
3
7.2
7.8
3.7
3.2
3.2
8.4
4.2
4.2
4.2
4.2
4.2
0
0
0
4.2
4.2
4.2
4.2
4.2
4.2
3.7
1
7.2
3
2.8
4.3
2.8
3
7.2
1
4.2
4.2
4.2
4.2
3.8
3.8
3.4
3.4
3.4
3.8
3.8
3.8
3.8
3.8
3.8
0
0
0
0
0
0
0
0
0
0
3.3
3.2
AEP,UK,RU MODEL
3
(EXCEPT US)
*
(US)
*
4
(EXCEPT US)
(US)
4
*
*
4
*
3
*
3
(US)
2
(EXCEPT US)
*
2
*
2
*
(US)
(EXCEPT US)
5
*
*
5
*
5
(US)
50V
1
G
G
J400
6P
LTC614TKFP8T146
Q420
LTC614TKFP8T146
Q440
LTC614TKFP8T146
Q450
LTC614TKFP8T146
Q430
100p
C477
100p
C478
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
NJM2792V(TE2)
IC462
L_GND
L_COUT
FL_OUT
FL-
FL+
REF
FR+
FR-
FR_OUT
R_COUT
R_GND
R_CIN
RR_OUT
RR-
RR+
VCC
RL+
RL-
RL_OUT
L_CIN
1500p
C470
0.01
C471
33k
R462
22k
R463
33k
R467
33k
R470
22k
R469
22k
R471
220
R431
220
R441
220
R451
220
R421
10k
R432
10k
R452
10k
R422
10k
R442
10k
R476
2.2k
R478
2.2k
R477
0
R415
0
R418
0
R419
0
R417
4.7
R495
0.01
C464
33k
R464
22k
R465
32
33
34
35
36
37
38
39
40
1
9
8
7
6
5
4
3
2
25
26
27
28
29
30
31
10
11
12
13
14
15
16
24
23
22
21
17
18
19
20
IC401
BUS-R
BUS-L
TU-R
TU-L
CD-R
CD-L
AUX-R
AUX-G
AUX-L
PD-R
PD-G
PD-L
FP1
FN1
FN2
FP2
EBIAS1
DS2-L
DS1-L
DS3-L
DS3-R
DS1-R
DS2-R
EBIAS2
MIN2
MIN1
SACLK
SADA
SAOUT
SUB-L
SUB-R
OUT
-RL
OUT
-RR
OUT
-FL
OUT
-FR
VCC
SCL
SDA
GND
FIL
0
R416
0.01
C496
0.01
C495
4.7
R473
8
7
6
5
4
3
2
1
NJM4558V-TE2
IC481
1k
R482
1.5k
R483
4.7
R481
1
C481
220
R485
1
2
3
3P
CN480
SUB-OUT
GND
SUB-OUT
LTC614TKFP8T146
Q480
10k
R486
0
L480
1
C382
1
C475
1
C476
47p
C381
0
R349
0
R348
47k
R381
470
R443
470
R423
470
R453
470
R433
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TDA7333013TR
IC50
VDDA
REF3
REF2
REF1
VSS
TM
VDDD
RESETN
XTI
XTO
SCL
SDA
SA
CSN
INTN
MPX
8.664MHz
X50
0
R57
C58
18p
C59
18p
FB51
FB50
0.1
C55
0.1
C50
0.1
C51
0.1
C52
0.1
C53
10
R53
0.1
C54
10
R52
100k
R55
0.01
C56
16V
47
C57
0
R59
ISA1235AC1TP-1EF
Q50
RT1N141C-TP-1
Q51
10k
R50
1k
R51
10k
R56
0.1
C498
3.3k
R412
3.3k
R411
3.3k
R414
3.3k
R413
4700p
C414
4700p
C411
0.033
C413
0.033
C412
100p
C442
100p
C432
100p
C452
10k
R475
100p
C422
100p
C483
1.5k
R383
10V
220
C461
10V
220
C466
C62 47p
50V
10
C421
50V
10
C441
50V
10
C451
50V
10
C431
50V
10
C482
50V
10
C499
50V
1
C469
50V
1
C468
C462
50V
1
C463
10V
100
C497
10V
100
C472
0
R304
50V
1
C406
50V
1
C405
0
R60
1k
R58
R54
FB
50V
1
C465
0
R305
0
R306
0
R307
C6
1000p
C5
0.01
C23
0
R5
560uH
L8
0
R19
FB1
33k
R10
J1
R15
0.01
C20
470k
R1
560uH
L7
4.7k
R11
R3
CAM002
100
R13
0.1
C9
0.47
C16
0
R18
C32
10p
1
C21
0.1
C26
0.1
C27
0.1
C17
0.01
C22
22
R12
470k
R2
1
C15
68k
R6
12p
C18
0.1
C24
4MHz
X1
FB2
100
R14
R16
32
31
30
29
28
27
123456
26
25
24
789
23
22
21
20
10
11
12
19
18
17
13
14
15
16
IC1
AMRFIN
AMRFDEC
FMIN2
FMIN1
GNDRF
VCC2
AMRFAGC
LOUT
ROUT
GNDAUD
AMIFAGC2
MPXIN
MPXOUT
RSSI
XTAL2
XTAL1
GNDD
SCL
SDA
VREF
VREGSUP
VCC1
GND
VCODEC
PLL
PLLREF
TEST
AMSELIN1
AMSELIN2
AMIFAGC1
AMSELOUT1
AMSELOUT2
L2
2.2uH
16V
47
C28
L6
1
2
3
4
6
0.1
C25
0.22
C12
0.01
C19
R17
1000p
C1
FB4
3.3uH
L1
FB3
0
R4
1
C14
2.2
C13
33p
C8
VR1
2
5
7
3
4
6
9
8
11
13
12
43
44
45
46
48
17
14
15
16
C29
330p
C61 47p
C467
1500p
RDS_ON
DAVN
I2C_SIO
I2C_SCK
I2C_SCK
I2C_SIO
I2C_SCK
I2C_SIO
SA_CLK
SA_DATA
SA_IN
VSM
IC401
IC50
IC481
IC462
IC1
(2/4)
MAIN BOARD
47
AUDIO OUT
R
-4
SUB OUT
FRONT
-5
L
-1
REAR
-6
(MONO)
-3
-2
Q50,51
RDS +3.3V
VCC
VSS
(CHASSIS)
R
L
L
R
(      )
BUS AUDIO IN
(ANTENNA)
RDS DEMODULATOR
SUB OUT AMP
POWER CONTROL
PHASE LOCKED LOOP(PLL)
R16
FB2
0
R3
FB3
0
FB1
R15
0
15p
R17
FB4
0
PRE AMP
ELECTRONIC VOLUME
BD3447AFV-E2
Q420,430,440,450,480
MUTE
TEF6607T/V4/S470,518
(Page 23)
(Page 21)
(Page 24)
CDX-GT740UI/GT747UI/GT790UI
CDX-GT740UI/GT747UI/GT790UI
23
23
4-7.  SCHEMATIC  DIAGRAM – MAIN  Section (3/4) –  
• See page 16 for Waveforms.     • See page 33 for IC Block Diagrams.    • See page 35 for IC Pin Function Descriptions.
12
I
4
B
3
14
10
11
J
E
H
9
7
A
13
D
5
1
6
15
C
2
G
F
8
2
3
BOARD
MAIN
(4/4)
4
(2/4)
6
BOARD
MAIN
2
MAIN BOARD (1/4)
IC B/D
IC B/D
IC B/D
1
*
2
*
3
*
4
*
*
5
6
*
0
0
0
0
0
1.2
1.9
3.3
3
3.3
3
0
0
3.2
2.7
0
0
3.3
3.3
0
0
3.3
0<3.3>
3.3
3.3
3.3
3
3.3
0.6
0.1
3.3
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
0
3
0.9
0
0
5.1
5.1
0
5.1
3.2
3.3
3.1
0
13.1
1.6
2.1
0
4.1
14.4
0
0.9
6.9
14.4
14.4
14.4
5.1
5.1
0.8
5.1
5.1
3
3.3
3.3
3.3
3.3
3
3
3
0
3
3.3
3.3
3.3
0
0
0
3.3
0.6
0.8
3.7
0.6
4
1.1
0.8
3.1
0
0
0
3.1
0.6
0.7
1.1
1.5
3.3
0
3
0
0
0.6
0
1.1
0
3.3
3.3
0
0
1.2
1.7
3.3
1.9
1.6
1.7
3.3
0
3.3
3.3
0
0
0
5.1
5.1
5.1
5.1
5.1
14.4
14.4
14.4
14.4
14.4
14.4
14.4
13
0.9
0.6
1.5
0
0
0
3.3
3.3
0
13
2.1
1.1
3
2.4
3.3
0
5.1
5.1
0.8
1
*
3
*
5
*
*
2
*
4
6
*
GT790UI
7
*
*
8
8
*
8
*
7
*
7
*
(GT740UI)
(GT747UI)
(AEP,UK,E)
(US,RU)
(US,E)
(AEP,UK,RU)
(GT740UI/GT790UI)
(GT747UI)
LBA
T54AL
T1G
D560
330
R543
100k
R542
S502
R540
R539
R538
R537
R536
R535
220k
R534
100k
R532
100k
R530
RT1P141C-TP-1
Q502
R531
100k
RT1N141C-TP-1
Q501
100k
R521
100k
R520
100k
R522
100k
R524
10k
R529
100
R523
100k
R526
100k
R527
100k
R528
100k
R518
100k
R517
0.5%
10k
R516
0.5%
10k
R515
100k
R514
R545
R544
R547
R546
32.768kHz
X501
33p
C501
20p
C502
1
C505
100k
R51
1
100k
R510
100k
R509
100k
R501
100k
R502
2.2k
R504
2.2k
R505
10k
R506
10k
R507
0
R407
100k
R513
100k
R512
6
5
4
3
2
1
D
D
G
S
D
D
TPC6108(T5RSONYF,M
Q801
6
5
4
3
2
1
D
D
G
S
D
D
TPC6108(T5RSONYF,M
Q813
0.1
C801
56k
R801
2A
F801
0.1
C803
1
C804
16V
120
C802
0.1
C805
8
7
6
5
4
3
2
1
TPS40200DRG4
IC801
RC
SS
COMP
FB
GND
DR
V
ISNS
VCC
470p
C810
100k
R812
0
R814
MAZ8120GMLS0
D802
1.5k
R806
0
R804
0
R805
1
C811
15p
C812
1500p
C813
330k
R813
MA24D5000BS0
D810
0.5%
39k
R815
0.5%
22k
R817
0.5%
100k
R816
C816
1000p
10V
330
C817
0.1
C818
MAZ8056GMLS0
D81
1
3.3k
R818
3.3k
R819
R
T1P141C-TP-1
Q812
2SC3052EF-T1-LEF
Q81
1
0.1
C819
56k
R820
10k
R821
6
5
4
3
2
1
D
D
G
S
D
D
RSQ035P03TR
Q810
10k
R822
R
T1N141C-TP-1
Q851
RT1N141C-TP-1
Q854
RT1N141C-TP-1
Q853
RT1P141C-TP-1
Q855
100k
R852
0.1
C851
0.5%
4.7k
R854
3.3k
R856
0.5%
6.8k
R855
RT1P141C-TP-1
Q857
RT1N441C-TP-1
Q856
1.5k
R865
1k
R864
MAZ8051GMLS0
D855
1k
R863
8
7
6
5
4
3
2
1
NJM2377M(TE2)
IC852
IN
F.
B
GND
OUT
VCC
CS
CT
REF
22k
R862
470p
C814
0.1
C820
2200p
C855
120k
R857
470p
C857
0.1
C854
MAZ8180GMLS0
D854
16V
100
C852
100
R858
T850
DC-DC CONVERTER
9
1
8
3
6
2
4
7
5
0.1
C858
16V
100
C859
33k
R867
47
R866
S
2SK3614-TD-E
Q858
47uH
L851
2.2
R868
2.2
R869
2.2
R870
1SS355WTE-17
D856
22
R871
0.1
C860
100k
R872
DTC124TKA-T146
Q859
220
R877
100V
220p
C863
100V
220p
C864
63V
47
C865
0
R879
0.5%
33k
R880
0.5%
1k
R882
0.5%
68k
R881
0
R883
33k
R874
33k
R875
33k
R876
16V
100
C862
4.7
R850
0.5%
470
R853
1SS355WTE-17
D851
RT1N141C-TP-1
Q802
56k
R802
0
R873
100p
C822
100
R541
16V
100
C823
16V
100
C824
10uH
L820
1k
R823
1k
R824
0.01
C508
0.01
C509
6.3V
C510
220
0.01
C503
180k
R859
0
R803
S501
0.01
C506
8765
4
3
2
1
NJM2903M-TE2
IC851
GND
VCC
8765
4
3
2
1
TPS2051BDRG4
IC802
GND
IN
IN
N
OC
OUT
OUT
OUT
100
R825
100
R826
0.1
C507
16V
10
C853
0
R548
100k
R525
100
R508
100
R519
100
R549
100
R550
100
R551
100
R552
0.5%
220
R851
100k
R503
0.5%
10k
R861
0.5%
47k
R860
47uH
L801
47uH
L810
0.5%
68k
R810
100
R553
100
R554
100
R555
100
R556
100
R557
100
R558
100
R559
100k
R561
100k
R562
100k
R563
R886
0
R888
0
R890
100
R889
1k
0
R564
1000p
C513
R891
0
CAM003
D1
G2
S2
D2
G1
S1
UM6K1N-TN
Q861
0
R884
KDZTR2.7B
D885
1
C894
1
C898
1
C867
1
C868
100V
220p
C866
1000p
C899
ISA1235AC1TP-1EF
Q852
1k
R894
1k
R895
7.92MHz
X502
0
R896
100k
R565
1000p
C504
16V
100
C880
0
R897
100V
220p
C869
GND
0
C871
100
R849
RF101L4STE25
D859
1000p
C809
MA24D5000BS0
D858
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
IC501
FL_ON
DOOR_SW
DOOR_IND
FSW_IN
ILL_SEL
I2C_SIO
I2C_CLK
RE-IN0
RE-IN1
X_IN
X_OUT
VCC5
VSS
C
UNI_SI
UNI_SO
UNI_SCK
BTU_RX
NCO
ILL_VOL
FLD_ON
ACC_IN
TEL_A
TT
AT
T
BUS_ON
SYSRST
CD_ON
CDM_ON
DAVDD
AVRH
RC_IN1
DAVSS
MD_AUDIO_SEL
VSM
SA_IN
NCO
KEY_IN0
RC_IN0
DSPL_IF
DSPL_RESET
VSS
KEY_ACK0
KEY_ACK1
FSW_OUT
DSPL_RX
DSPL_TX
NCO
MD0
MD1
MD2
RESET
MC_RX
MC_TX
NCO
W
AKE_UP
FLS_TX
FLS_RX
FLS_CLK
Z_MUTE
ILL_IN
NCO
VCC3
VSS1
NCO
AMP_STB
DIAG
EJECT_OK
SA_OUT
SA_CLK
NCO
TUA
TT
NCO
RDS_ON
FLASH_EN0
FLASH_EN1
USB_ON
DD_ON
BT_SEL
BT_MIC_DETECT
BUIN
DAVN
AREA_SEL2
AREA_SEL1
AREA_SEL0
VBUS_ON
USB_OVER
VCC3
VSS1
OSC_OUT
OSC_IN
NCO
BTU_ACTIVE
NCO
BEEP
ZAPPIN_BEEP
NCO
NCO
CYRIL_SEL
14
15
16
17
18
19
20
21
23
22
27
24
25
29
30
31
32
33
34
35
36
38
39
40
26
DD_ON
USB_ON
W
AKE_UP
EJECT_OK
DIAG
FLS_TX
FLS_RX
FLS_CLK
FSW_OUT
VSM
FLD_ON
AT
T
TEL
ACC
UNI_SO
UNI_CLK
DOOR_IND
Z_MUTE
I2C_SCK
VBUS_ON
RC_IN1
SA_DA
TA
SA_CLK
FSW_OUT
FL_ON
STB
VBUS_OVER
FLASH_W
RESET
FSW_IN
ILL
KEY-0
RC_IN0
I2C_SIO
RE_0
RE_1
UNI_SI
DOOR
DSPL_RST
DSPL_RX
DSPL_TX
MC_RX
MC_TX
DSPL_IF
BUIN
SA_IN
STB
ILL_VOL
FL_ON
FSW_IN
BUS_ON
RESET
USB_ON
SYNC
RDS_ON
DAVN
CD_ON
CDM_ON
DD_ON
BEEP
VBUS_OVER
IC801
IC802
IC851
IC852
IC501
NOSE_
SW
B-OUT
_SEL
(3/4)
MAIN BOARD
28
37
R535
100k
R536
100k
R537
100k
R538
100k
R539
100k
R540
100k
DC-DC
CONVERTER
VBUS POWER CONTROL
VBUS+5V REG
Q811,812
VOLTAGE DETECT
SWITCHING REGULATOR
USB POWER SWITCH
USB POWER CONTROL
Q861
DC-DC CONVERTER CONTROL
DC-DC CONVERTER CONTROL
FL POWER CONTROL
Q851,852
SYSTEM CONTROL
MB90F883AHPMC-GE1-425C
FSW CONTROL
Q856,857
Q853-855
FL POWER CONTROL
DC-DC
CONVERTER
SWITCHING REGULATOR
Q858
VOLTAGE DETECT
Q859
FRONT PANEL
DETACH DETECT
(            )
FLASH PROGRAMMING BUFFER
Q501
FREQUENCY
SELECT
(           )
-1 -2
FM(50k)
AM(9k)
AM(10k)
FM(200k)
TRANSFORMER
BUFFER
PROGRAMMING
FLASH
100k
R544,R546
100k
R545,R547
(Page 21)
(Page 22)
(Page 24)
CDX-GT740UI/GT747UI/GT790UI
CDX-GT740UI/GT747UI/GT790UI
24
24
4-8.  SCHEMATIC  DIAGRAM – MAIN  Section (4/4) –  
• See page 34 for IC Block Diagrams. 
12
4
B
3
14
10
11
E
H
9
7
A
13
D
5
1
6
15
C
2
G
F
8
MAIN BOARD (2/4)
5
FFC701
A
BOARD
SUB
MAIN
BOARD
(3/4)
6
3
MAIN BOARD (1/4)
IC B/D
IC B/D
5.1
3.3
14.2
14
0
14
0
3.1
0.4
3.3
0
1.1
10.5
10.6
10.6
ABSORBER, CHIP
 SURGE
D151
ABSORBER, CHIP
 SURGE
D152
1000p
C153
MAZ8068GMLS0
D101
MAZ8068GMLS0
D102
MAZ8068GMLS0
D103
MAZ8068GMLS0
D104
MAZ8068GMLS0
D105
MAZ8068GMLS0
D106
MAZ8068GMLS0
D107
MAZ8180GMLS0
D
111
MAZ8068GMLS0
D1
10
MAZ8068GMLS0
D109
4700p
C155
4700p
C154
50V
4.7
C159
FB153
2.2k
R153
470
R151
470
R152
54
3
2
1
TK11133CSCL-G
IC650
CONT
GND
NOISE
VOUT
VIN
LBAT54CLT1G
D650
10k
R656
RT1P141C-TP-1
Q651
330
R651
330
R652
330
R653
330
R654
330
R655
1
2
3
4
5
6
7
8
8P
CN671
NC
NC
NC
RX
TX
VCC
FLASH-W
GND
1
2
3
4
5
6
7
8
8P
CN670
RESET
CLK
SYNC/NONSYNC
RX
TX
VCC
FLASH-W
GND
0
R670
0
R671
MAZ8068GMLS0
D100
MAZ8068GMLS0
D108
220p
C886
1000p
C888
1000p
C889
220p
C884
1000p
C890
1000p
C892
MAZ8068GMLS0
D883
MAZ8068GMLS0
D884
1000p
C887
0.1
C891
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
23P
CN100
V-BUS
USB_GND
FL-VDD2+55V
FL_F(+)
FL_F(-)
FL/ILL_GND
ILL+10.4V
RE_1
RE_0
KEY-0
FL_VDD+3.3V
DOOR
DSPL_TX
DSPL_RX
CNVSS
DSPL_IF
DSPL_RESET
AUX-L
AUX-GND
AUX-R
U-COM_GND
DOOR_IND
KEY_GND
D153
MAZ8068GMLS0
50V
1
C156
50V
1
C157
CHASSIS_GND
Q650
RT1N141C-TP-1
330
R657
0
R658
CAM001
1
2
3
4
5
NJM2387ADL3(TE2)
IC351
VIN
ON/OFF
VOUT
VA
D
J
GND
1
C654
1
C653
0.01
C652
RT1N141C-TP-1
Q351
0
R354
0.5%
43k
R352
0.5%
6.8k
R351
0.5%
10k
R353
12k
R154
12k
R155
0.1
C351
25V
22
C352
0.47
C655
10
1
43
44
45
46
48
20
18
19
25
24
21
22
23
26
27
RE_1
RE_0
KEY
-0
DOOR
DSPL_IF
DSPL_RST
DSPL_TX
DOOR_IND
ILL_VOL
DSPL_RX
FLS_CLK
SYNC
FLS_RX
FLS_TX
FLASH_W
FLD_ON
RESET
IC650
IC351
(4/4)
MAIN BOARD
28
47
LED DRIVER
Q650,651
FLASH
PROGRAMMING
(           )
PROGRAMMING
FLASH
(           )
ILL+10.4V REG
ILL+10.4V POWER CONTROL
Q351
FL+3.3V REG
(Page 22)
(Page 26)
(Page 21)
(Page 23)
Page of 52
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