JBL GX-A604, Service Manual

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1 2 3 4 5 6 7 8
A
B
C
D
8 7 6 5 4 3 2 1
D
C
B
A
R5A
4K7 R2A
4K7
C8A
47P
C4A
10U/50V
R1A
22K
C6A
102P
R4A
4K7
C7A
100P
C2A
100uF/25V NP
R3A
4K7
C3A
10U/50V
R16A
910R
C5A
10U/50V
C25A
100P
R7A
2K
R6A
10K
R5B
4K7
R2B
4K7
C8B
47P
C4B
10U/50V
R1B
22K
C6B
102P
CH2/FR
R4B
4K7
C7B
100P
C2B
100uF/25V NP
R3B
4K7
C3B
10U/50V
R16B
910R
C5B
10U/50V
C25B
100P
R7B
2K
R6B
10K
2
3
1
8
4
U1A
BA4560
+15V-1
-15V-1
6
5
7
U1B
BA4560
2
3
1
8
4
U2A
BA4560
+15V-1
-15V-1
6
5
7
U2B
BA4560
-15V-1
+15V-1
PGND
R5C
4K7
R2C
4K7
C8C
47P
C4C
10U/50V
R1C
22K
C6C
102P
CH3/RL
R4C
4K7
C7C
100P
C2C
100uF/25V NP
R3C
4K7
C3C
10U/50V
R16C
910R
C5C
10U/50V
C25C
100P
R7C
2K
R6C
10K
R15C
22K
R5D
4K7
R2D
4K7
C8D
47P
C4D
10U/50V
R1D
22K
C6D
102P
CH4/RR
R4D
4K7
C7D
100P
C2D
100uF/25V NP
R3D
4K7
C3D
10U/50V
R16D
910R
C5D
10U/50V
C25D
100P
R7D
2K
R6D
10K
R15D
22K
R13D
0R
2
3
1
8
4
U6A
BA4560
+15V-1
-15V-1
6
5
7
U6B
BA4560
2
3
1
8
4
U7A
BA4560
+15V-1
-15V-1
6
5
7
U7B
BA4560
C36D
823P
R34D
1K
C34D
823P
R36D
43K
C35D
823P
R38D
36K
R35D
43K
R37D
10K
R39D
10K
C36C
823P
R34C
1K
C34C
823P
R36C
43K
C35C
823P
R38C
36K
R35C
43K
R37C
10K
R39C
10K
CH1/FL
FL SG
2
3
1
8
4
U11A
4558
-15V-1
+15V-1
6
5
7
U11B
4558
GND
R20F
13K
R7F
13K
R26
5.6K
R21F
13K
R19F
5.1K
R8F
13K
C5F
10uF/50V
C15F
10uF/50V
C14F
10uF/50V
C6F
10uF/50V
R25
2.2K
R18F
2.2K
FL-HI
FL+HI
FR-HI
FR+HI
1
2
C1F
10uF/25V NP
1
2
C13F
10uF/25V NP
R27
68K
R11F
68K
R6F
68K
R12F
68K
1
2
3
4
CN5
130223000018
GX-A604
2
1
RCAA
120203000083
4
3
RCAB
120203000083
6
5
RCAC
120203000083
8
7
RCAD
120203000083
R13C
0R
FL 2CH
RL 4CH
RR 4CH
FR 2CH
R15B
NC
R15A
NC
1
2
3
4
5
6
7
8
9
10
CN1
130253000115
C22
100uF/16V
R2
4.3K
R1
10K
SP REM
R5
56K
R6
56K
R7
56K
R8
56K
RCA PRO
PROT
RCA PROT
+15V
-15V
RL SG
RR SG
FR SG
C3
104P
C1
104P
C5
104P
+15V-1 -15V-1
R20E
13K
R7E
13K
R19E
5.1K
R21E
13K
R24
5.6K
R6E
13K
C2E
10uF/50V
C7E
10uF/50V
C14E
10uF/50V
C15E
10uF/50V
R22E
2.2K
R18E
2.2K
RL-HI
RL+HI
RR-HI
RR+HI
1
2
C1E
10uF/25V NP
1
2
C13E
10uF/25V NP
R23
68K
R11E
68K
R1E
68K
R12E
68K
1
2
3
4
CN6
130223000018
R3
1K
R4
22K
C6
104P
FL+H
FL-H
FL-H
FL+H
FR+H
FR-H
RR-H
RR+H
RL+H
RL-H
RL-H
RL+H
RR+H
RR-H
FR-H
FR+H
SP REM
Hi auto
Hi auto
Hi auto
Hi auto
Hi auto
R 0dB
4 5
6
SW1B
110103000017
SW1A
110103000017
R8C
1K
R8D
1K
R8A
1K
1 2
R8B
1K
FR 4CH
FL 4CH
1
2
3
VR1A
010703000103
4
5
6
VR1B
010703000103
4
5
6
VR2B
010703000103
1
2
3
VR2A
010703000103
FR SG
FL SG
7
8
9
10
SW1C
110103000040
A K
D1
1N4148
D2
1N4148
RR SG
RX
47K
RX1
47K
RL SG
R31
4.7R
R28
4.7R
R10
4.7R
R11
4.7R
R12
4.7R
R13
4.7R
R14
4.7R
R15
4.7R
R16
4.7R
R17
4.7R
C8
104P
C9
104P
C10
104P
C11
104P
C12
104P
C13
104P
C14
104P
C15
104P
C16
104P
C17
104P
Q1
2SC1815
B
C
E
Q2
2SC1815
4 5
6 SW2B
110103000017
SW2A
110103000017
0dB L
RL3
RR4
FL1
FR2
7
8
9
10
SW2C
110103000040
J11
0R
Q3
NA
R49
0R
R48
0R
C38
10uF/50V
C39
10uF/50V
C40
10uF/50V
C41
10uF/50V
C42
10uF/50V
C43
10uF/50V
C44
10uF/50V
C45
10uF/50V
R40
4.7K
R41
4.7K
R42
4.7K
R43
4.7K
R44
4.7K
R45
4.7K
R46
4.7K
R47
4.7K
1
2
CN7
170103000529
1
2
CN8
1
2
CN9
170103000529
1
2
CN10
J39
6.5