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4-4.
SCHEMATIC DIAGRAM - MAIN Section (1/5) -
1
2
3
A
(GT575UP)
PW1
TO
CN301
1
2
REAR RCH (+)
REAR LCH (+)
REAR RCH (–)
3
4
REAR LCH (–)
FRONT RCH (+)
5
6
FRONT LCH (+)
B
FRONT RCH (–)
7
8
FRONT LCH (–)
REM OUT MAX0.4A
9
10
ILL
11
12
ACC
13
14
C
BATT
15
16
GND
(GT575UE/GT575UI)
TO
RL+
RL–
CN301
7
8
D
FL+
FL–
5
6
FR+
FR-
3
4
RR+
RR-
1
2
PW1
E
RR+
RL+
1
2
RR–
RL–
3
4
FR+
FL+
5
6
FR-
FL-
7
8
F
REM OUT
ATT
9
10
ILL
11
12
ACC
13
14
BATT
GND
15
16
G
ACC
GND
7
8
AMT REM
ILL
5
6
BATT
H
3
4
1
2
I
FB803
C801
C802
1000p
1000p
Q803
J801
FB802
LSCR523UBFS8TL
REMOTE
IN
0
FB801
3.3
J
K
Q801 - 803
BATTERY CHECK
CDX-GT575UE/GT575UI/GT575UP
• See page 32 for IC Block Diagrams.
4
5
6
MAIN BOARD (1/5)
CN301
16P
RR+
1
RL+
2
RR–
3
RL–
4
FR+
5
FL+
6
FR–
7
FL–
8
AMP_REM
9
10
ILL
11
12
JL014
ACC
13
JL503
TELL_ATT
14
JL009
VCC
15
GND
16
D306
L301
GN1G
140uH
(GT575UI)
FU1
10A
32V
JL506
BK301
JL010
JL505
JL504
C334
D324
D318
4700
GN1G
GN1G
(CHASSIS)
16V
(GT575UP)
R870
2.2k
R871
R874
R872
R873
12k
1k
12k
0
C877
100p
4
C876
CN802
8
1
1000p
10P
5
9
2
C878
SIRIUSXM
6
100p
R875
IN
10
3
1k
7
D820
RKZ18B2KGP1
D830
RKZ18B2KGP1
F3
2A
36V
D831
R856
RKZ18B2KGP1
100
D832
RKZ18B2KGP1
R855
100
R834
R831
100k
100k
0
5
1
8
VCC
3.3
0
R857
2
7
100
5
5
3
6
3.3
74LVC1G17GW-125
4
5
GND
1
IC831
0
2
BUFFER
3
C831
IC831
0.1
TC7WH126FK(T5RSOYF
Q801
LTC044EUBFS8TL
D805
0
R819
RKZ7.5B2KGP1
1k
6.9
D806
6.9
RKZ18B2KGP1
R820
1k
0
Q802
LTC014EUBFS8TL
7
8
9
10
IC301
IC B/D
POWER AMP, REGULATOR
IC301
TDF8556AJ/N5
C367
47p
1
2
3
4
5
6
7
8
C366
47p
C365
47p
C364
47p
R317
R322
4.7k
0
R311
R300
10k
0
R378
10k
C335
0.1
C329
4.7
50V
R316
R315
100k
22k
0
Q302
LSCR523UBFS8TL
3.3
DIMMER DETECT
R312
47k
C331
0.47
C330
R313
0.47
47k
R314
4.7k
0.6
Q301
LSCR523UBFS8TL
0
ACCESSORY DETECT
R836
22
IC830
BUFFER
IC830
R837
0
R400
5
0
NC
VCC
5
RESET
R830
39k
0
GND
4
C830
0.1
C401
C403
C402
0.1
220
6.3V
R833
68k (GT575UP)
100k (GT575UE/GT575UI)
R818
220k
23
23
11
12
13
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
R387
0
C357
47p
R305
R304
R307
C326
220
220
150
47p
R303
R340
220
0
R309
47k
IC B/D
4
5
IC402
+3.3V REGULATOR
IC402
MM1836A33NRE
3
2
1
C407
C411
1
0.1
470
16V
CDX-GT575UE/GT575UI/GT575UP
14
15
16
17
28
29
30
31
32
33
34
35
36
37
D401
DA2J10100L
R429
22
C311
C416
47p
47
25V
C301
0.22
C387
220
1
16V
2
C306
C307
C323
1
220
1000p
10V
3
C309
C313
R396
220
47
0
6.3V
16V
4
1
MAIN
BOARD
(2/5)
(Page 24)
5
6
7
8
9
10
R899
0
DR_GND
FB890
A_GND
FB891
D_GND
BU_GND
VDD_3.3V
(Page
BU_3.3V
DR_6V
ILL_IN
BOARD
(Page 27)
16
14
3
11
12
MAIN
BOARD
(3/5)
13
(Page 25)
15
2
MAIN
BOARD
(4/5)
26)
9
MAIN
(5/5)
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