Read JBL GTO-504EZ Service Manual online
R42A
22K
C18A
101
101
R46A
10K
R56A
10K
R47A
10K
R55A
10K
ESD1A
NC
ESD2A
NC
NC
LOW AL
HI2 AL
HI1 AL
C19A
NP 22uF/50V
C27A
47P
HI2 BL
HI1 BL
LOW BL
C14A
NC
R41A
56K
56K
C16A
104
FL
FL+INPUT
3
2
1
U1A
4580
A1
A2
3
4
J1B
AV6-8.4-13A
C31A
101
RCA
-P
RO
R48A
56K
R50A
56K
R52A
0R
R53A
0R
R
43A
120R
R42B
22K
C18B
101
R46B
10K
R56B
10K
10K
R47B
10K
R55B
10K
ESD1B
NC
ESD2B
NC
NC
LOW AR
HI2 AR
HI1 AR
C19B
NP 22uF/50V
C27B
47P
HI2 BR
HI1 BR
LOW BR
C14B
NC
R41B
56K
C16B
104
104
FR
FR-INPUT
5
6
7
U1B
4580
1
2
J1A
AV6-8.4-13A
R84
470R
C25
104
104
R6
5K6
5K6
PROT
RCA
-P
RO
C31B
101
3
4
1
2
U3P
TLP181
TLP181
R48B
56K
R50B
56K
R52B
0R
R53B
0R
R
43B
120R
RCA-PRO
R42C
22K
C18C
101
101
R46C
10K
R56C
10K
R47C
10K
R55C
10K
ESD1C
NC
NC
ESD2C
NC
NC
LOW CL
HI2 CL
HI1 CL
C19C
NP 22uF/50V
C27C
47P
HI2 DL
HI1 DL
LOW DL
C14C
NC
R41C
56K
C16C
104
RL
3
2
1
U2A
4580
C31C
101
RCA
-P
RO
R48C
56K
R50C
56K
R52C
0R
R53C
0R
R
43C
120R
R42D
22K
C18D
101
R46D
10K
R56D
10K
10K
R47D
10K
R55D
10K
ESD1D
NC
ESD2D
NC
LOW CR
HI2 CR
HI1 CR
C19D
NP 22uF/50V
C27D
47P
HI2 DR
HI1 DR
LOW DR
C14D
NC
R41D
56K
C16D
104
104
RR
5
6
7
U2B
4580
C31D
101
R48D
56K
R50D
56K
R52D
0R
R53D
0R
R
43D
120R
5
6
J1C
AV6-8.4-13A
7
8
J1D
AV6-8.4-13A
2
3
1
SW3A
110103000002
5
6
4
SW3B
110103000002
FL+INPUT
FR-INPUT
9
10
J1E
AV6-8.4-13A
11
12
J1F
AV6-8.4-13A
R1H
100K
100K
C1H
101
101
C3H
10uF/25V
R3H
1K
C4H
10uF/25V
R4H
1K
R2H
100K
100K
C2H
101
101
R-OUT
L-OUT
R5H
47K
R9H
47K
R7H
47K
RL
R6H
47K
R8H
47K
RR
R10H
47K
FR-INPUT
3
2
1
U1HA
4580
5
6
7
U1HB
4580
2
1
ESD1H
NC
NC
2
1
ESD2H
NC
NC
C5H
101
101
C6H
101
101
110103000061
SK83D02
19
18
20
17
SW1E
SW8P3T
23
22
24
21
SW1F
SW8P3T
27
26
28
25
SW1G
SW8P3T
31
30
32
29
SW1H
SW8P3T
3
2
4
1
SW1A
SW8P3T
7
6
8
5
SW1B
SW8P3T
11
10
12
9
SW1C
SW8P3T
15
14
16
13
SW1D
SW8P3T
C21A
106
106
C22A
106
106
C21B
106
C22B
106
C21C
106
C22C
106
C21D
106
C22D
106
A3
A4
TP15
TP16
TP17
TP18
TP19
TP20
TP21
TP22
TP23
TP24
TP25
TP26
TP27
TP32
TP33
TP34
TP35
TP36
TP37
TP38
TP39
TP40
TP41
TP42
TP43
TP45
TP46
RL+INPUT
RR-INPUT
TP44
TP47
8
4
U1C
4580
8
4
U2C
4580
+15V
-15V
C13C
104
C12F
104
C11F
104
C6C
104
8
4
U1HC
4580
1
3
5
7
9
11
2
4
6
8
10
12
J5A
NC
FLI
RLII
FL+IN
RL+IN
FRI
RRII
FR-IN
RR-IN
RL+INPUT
FL+INPUT
FLI
RLII
-15V
RR-INPUT
FR-INPUT
FRI
RRII
1
3
5
7
9
11
2
4
6
8
10
12
13
14
J8A
CON2*7P
+15V
R1
A
10K
R2
A
10K
R1
B
10K
R2
B
10K
D4
1N4148
+15VS
FRS
FLS
RRS
RLS
1
3
5
7
9
11
2
4
6
8
10
12
13
14
J4A
NC
REM
PGND
A2
+15V
P+12V1
SG-ON
-15V
A1
A4
A3
1
1
3
3
2
2
4
5
6
7
J10A
CON7P-2.0
FL+INPUT
GTO-504EZ
27
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