JBL GTO-804EZ Service Manual ▷ View online
GTO-804EZ
INPUT LEVEL
min-max
crossover
power supply
1
2
3
GROUND
REM
+12V
bass boost
40Hz-200Hz 12dB/ oct
45Hz 0-12dB
2
3
1
4
A
LO
Hi
Hi2
w/PTC
simple LED(s)
Orange
Red
green
power(Orange)/protection(Red) LED
A1
A5
A2
A3
A5
D7
A8
LP/HP pass
A6
2
3
1
4
A
HP
LP
Flat
A7
FL+ out
2
ȍ/4ȍ
FL input
100kHz
200Hz
40Hz
10Hz
Class AB Audio Power Amplifier
input selector
variable crossover
INPUT LEVEL
min-max
crossover
40Hz-200Hz 12dB/ oct
6
7
5
8
B
LO
Hi
Hi2
w/PTC
B1
B2
B3
B5
LP/HP pass
B6
2
3
1
4
A
HP
LP
Flat
B7
FR- out
2
ȍ/4ȍ
FR input
100kHz
200Hz
40Hz
10Hz
Class AB Audio Power Amplifier
input selector
variable crossover
INPUT LEVEL
min-max
crossover
40Hz-200Hz 12dB/ oct
w/PTC
D1
D2
D3
D5
LP/HP pass
D6
2
3
1
4
A
HP
LP
Flat
D8
RR- out
2
2
ȍ/4ȍ
RR input
100kHz
200Hz
40Hz
10Hz
Class AB Audio Power Amplifier
variable crossover
bass boost
45Hz 0-12dB
C7
INPUT LEVEL
min-max
crossover
40Hz-200Hz 12dB/ oct
w/PTC
simple LED(s)
Orange
Red
green
C1
C2
C3
D5
C9
LP/HP pass
C6
2
3
1
4
A
HP
LP
Flat
C8
RL+ out
2
ȍ/4ȍ
RL input
100kHz
200Hz
40Hz
10Hz
Class AB Audio Power Amplifier
variable crossover
1
2
3
A
input mode
2ch
4ch
RL in
RR in
RR in
RL in
A9
switch
switch
switch
FUSE
P2
auto ON/OFF
A1
L
1
2
R
A
3
4
W
B
level L out
level R out
AMP
A10
L
AMP
B10
R
R
6
7
5
8
B
LO
Hi
Hi2
input selector
switch
6
7
5
8
B
LO
Hi
Hi2
input selector
switch
A1
A2
A2
25
GTO-804EZ
R48 50 A B C D
47K
110K
ᬍব䕧
ᡫ
2011 04 26
PLACE NO
DESCRIPTON
DATA
R42A
22K
C18A
101
R46A
10K
10K
R56A
10K
R47A
10K
R55A
10K
1
2
ESD1A
NC
1
2
ESD2A
NC
C21A
10uF/50V
C22A
10uF/50V
LOW FL
HI2 FL
HI1 FL
C19A
NP 22uF/50V
C27A
47P
HI2 FL-1
HI1 FL-1
LOW FL-1
C14A
NC
R41A
56K
C16A
NC
FL
FL-INPUT
2
3
1
8
4
U1A
NJM4580
3
4
J1B
120203000085
RCA
-P
RO
R48A
47K
R50A
47K
R52A
0R
R53A
0R
R43A
120R/2W
R42B
22K
C18B
101
R46B
10K
R56B
10K
R47B
10K
R55B
10K
1
2
ESD1B
NC
1
2
ESD2B
NC
C21B
10uF/50V
C22B
10uF/50V
LOW FR
HI2 FR
HI1 FR
C19B
NP 22uF/50V
C27B
47P
HI2 FR-1
HI1 FR-1
LOW FR-1
C14B
NC
R41B
56K
C16B
NC
FR
FR-INPUT
6
5
7
U1B
NJM4580
1
2
J1A
120203000085
R83
470R
C25
104
R6
1K
PROT
RCA
-P
RO
3
4
1
2
U200P
PC817
R48B
47K
R50B
47K
R52B
0R
R53B
0R
R43B
120R/2W
RCA-PRO
R42C
22K
R46C
10K
R47C
10K
1
2
ESD1C
NC
1
2
ESD2C
NC
C21C
10uF/50V
C22C
10uF/50V
LOW RL
HI2 RL
HI1 RL
C19C
NP 22uF/50V
C27C
47P
HI2 RL-1
HI1 RL-1
LOW RL-1
C14C
NC
R41C
56K
C16C
NC
RL
RL-INPUT1
RCA
-P
RO
R48C
47K
R50C
47K
R52C
0R
R53C
0R
R43C
120R/2W
R42D
22K
R46D
10K
R47D
10K
1
2
ESD1D
NC
1
2
ESD2D
NC
C21D
10uF/50V
C22D
10uF/50V
LOW RR
HI2 RR
HI1 RR
C19D
NP 22uF/50V
C27D
47P
HI2 RR-1
HI1 RR-1
LOW RR-1
C14D
NC
R41D
56K
C16D
NC
RR
RR-INPUT1
R48D
47K
R50D
47K
R52D
0R
R53D
0R
R43D
120R/2W
5
6
J1C
120203000085
7
8
J1D
120203000085
1
2
3
SW2A
110103000002
4
5
6
SW2B
110103000002
FL-INPUT
FR-INPUT
9
10
J1E
120203000085
11
12
J1F
120203000085
R1H
100K
C1H
101
C3H
10uF/50V
R3H
1K
1K
C4H
10uF/50V
R4H
1K
1K
R2H
100K
C2H
101
R-OUT
L-OUT
R5H
47K
47K
R9H
47K
47K
FL-INPUT
R7H
47K
47K
RL-INPUT1
R6H
47K
47K
R8H
47K
47K
RR-INPUT1
R10H
47K
47K
FR-INPUT
2
3
1
8
4
U1HA
BA4560
6
5
7
U1HB
BA4560
1
2
ESD1H
NC
1
2
ESD2H
NC
NC
C6H101
1
2
C5H
101
A1
A2
A3
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J3A
CON2*7P
RL-INPUT1
RR-INPUT1
RL+IN
RR-IN
+15V
FL-INPUT
FR-INPUT
FL+IN
FR-IN
-15V
+15V
FR-LED
FL-LED
RR-LED
RL-LED
1
2
3
4
5
6
7
J5B
CON7P-2.0
6
5
7
U5HB
BA4560
R3A
10K
10K
R4A
22K
ć
PTC1A
330R
2
3
1
8
4
U5HA
BA4560
R3B
10K
10K
R4B
22K
22K
ć
PTC1B
330R
330R
2
3
1
8
4
U2HA
BA4560
R3C
10K
10K
R4C
22K
22K
ć
PTC1C
330R
6
5
7
U2HB
BA4560
R3D
10K
10K
R4D
22K
22K
ć
PTC1D
330R
R5A
1K
1K
R5B
1K
1K
R5C
1K
1K
R5D
1K
1K
-15V
+15V
+15V
-15V
1
2
3
SW6A
110103000002
4
5
6
SW6B
110103000002
7
8
SW6C
110103000002
C71T
102
to 6/8
to 6/8
C14S
NC
R115S
NC
Q22T
NC
Q21T
NC
PROT
D12S
NC
R119S
NC
RCA-PRO
RL-1
RR-1
FL-O
FR-O
RR-O
RL-O
-15V
+15V
R45A
1K
2
3
1
8
4
U2A
NJM4580
6
5
7
U2B
NJM4580
R45B
1K
C18C
101
R56C
10K
R55C
10K
-15V
+15V
R45C
1K
C18D
101
R56D
10K
R55D
10K
R45D
1K
C31A
101P
C31B
101P
C31C
101P
C31D
101P
D4
IN4148
3
2
4
1
SW1A
110103000061
7
6
8
5
SW1B
110103000061
11
10
12
9
SW1C
110103000061
15
14
16
13
SW1D
110103000061
19
18
20
17
SW1E
110103000061
23
22
24
21
SW1F
110103000061
27
26
28
25
SW1G
110103000061
31
30
32
29
SW1H
110103000061
+15V
-15V
C5E
104
C7E
104
C8E
104
1
2
C9E
104
-15V
+15V
R-OUT
L-OUT
F&R-R
F&R-L
RL-G
RR-G
7
8
SW2C
110103000002
LED+15V
R4T
10R
C24T
22uF/50V
LED OFF
LED ON
1
2
ESD3H
NC
RCA
-P
RO
C32C
10uF/50V
C32D
10uF/50V
C32B
10uF/50V
C32A
10uF/50V
10uF/50V
R7B
100K
R7A
100K
R7C
100K
R7D
100K
T1 02A
35
33
34
36
SW1I
110103000061
110103000061
3
2
1
4
SW3A
110103000062
7
6
5
8
SW3B
110103000062
9
10
11
12
11
12
SW3C
110103000062
1
2
3
4
9
CN10A
2.0
5
6
7
8
10
CN10B
2.0
HPF1
FLI
FLAT1
LPF1
LPF2
HPF2
FRI
FLAT2
3
2
1
4
SW4A
110103000062
7
6
5
8
SW4B
110103000062
9
10
11
12
11
12
SW4C
110103000062
1
2
3
4
9
CN11A
2.0
5
6
7
8
10
CN11B
2.0
HPF1
FLI
FLAT1
LPF1
LPF2
HPF2
FRI
FLAT2
26
GTO-804EZ
R20C
10K
C8C 47P
R25C
9K09
R22C
9K09
R26C
11K
C10C 473
R27C
11K
C11C 104
R21C
10K
C9C
101
R17C
680R
680R
3
2
1
U8A
TL074
5
6
7
U8B
TL074
13
12
14
U8D
TL074
10
9
8
U8C
TL074
R15C
1K
R16C
22K
R20D
10K
C8D 47P
R25D
9K09
9K09
R22D
9K09
R26D
11K
C10D 473
R27D
11K
C11D 104
R21D
10K
C9D
101
R17D
680R
3
2
1
U9A
TL074
5
6
7
U9B
TL074
13
12
14
U9D
TL074
10
9
8
U9C
TL074
R38C
1K
R15D
1K
R16D
22K
6
5
7
U12B
BA4560
R39D
11K
R40D
11K
8
4
U4AC
BA4560
11
4
U4E
TL074
8
4
U11C
BA4560
+12V
-12V
C18D
104
C19D
104
11
4
U7E
TL074
8
4
U12C
BA4560
8
4
U10C
BA4560
4
5
6
VR2B
B20K
B20K
1
2
3
VR2A
B20K
B20K
1
2
3
VR4A
C50K
4
5
6
VR4B
C50K
7
8
9
VR4C
C50K
10
11
12
VR4D
C50K
4
5
6
VR5B
B20K
C30D
154
R28D
1K
R36D
20K
C17D
101
101
R34D
1K
R35D
5K1
R37D
1M
1M
C31D
153
153
3
2
1
U11A
BA4560
6
5
7
U11B
BA4560
C30C
154
R28C
1K
R36C
20K
C17C
101
101
R34C
1K
R35C
5K1
R37C
1M
C31C
153
153
3
2
1
U10A
BA4560
6
5
7
U10B
BA4560
1
2
3
VR5A
B20K
LPF3
RLAT3
HPF3
HPF4
LPF4
RRAT4
RL+INPUT
3
2
1
U12A
BA4560
R20A
10K
C8A 47P
R25A
9K09
9K09
R22A
9K09
R26A
11K
C10A 473
R27A
11K
C11A 104
R21A
10K
C9A
101
R17A
680R
3
2
1
U4A
TL074
5
6
7
U4B
TL074
13
12
14
U4D
TL074
10
9
8
U4C
TL074
3
2
1
U4AA
BA4560
R15A
1K
R16A
22K
R39B
11K
R40B
11K
1
2
3
VR1A
B20K
4
5
6
VR3B
C50K
1
2
3
VR3A
C50K
C50K
FLAT1
LPF1
HPF1
R20B
10K
C8B 47P
R25B
9K09
9K09
R22B
9K09
R26B
11K
C10B 473
R27B
11K
C11B 104
R21B
10K
C9B
101
R17B
680R
3
2
1
U7A
TL074
5
6
7
U7B
TL074
13
12
14
U7D
TL074
10
9
8
U7C
TL074
R15B
1K
R16B
22K
6
5
7
U4AB
BA4560
4
5
6
VR1B
B20K
B20K
10
11
12
VR3D
C50K
7
8
9
VR3C
C50K
R28A
1K
FLAT2
LPF2
HPF2
FR-INPUT
FL+INPUT
RR-INPUT
11
4
U8E
TL074
11
4
U9E
TL074
FL1
FRI
RL1
RR1
R1D
10K
10K
R1C
10K
C20D
104
R40A
0R
R40C
0R
R1B
10K
10K
R1A
10K
10K
R2D
10K
10K
R2C
10K
10K
C12A
101
C12B
101
C12C
101
C12D
101
FL-IN1
FR+IN1
RL-IN1
RR+IN1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J3B
CON2*7P
RL+INPUT
RR-INPUT
+12V
FL+INPUT
FR-INPUT
-12V
FL-IN1
FR+IN1
RR+IN1
RL-IN1
C1A
NC
NC
C1C
NC
C1D
47P
47P
C1B
47P
R39A
NC
NC
R39C
NC
NC
1
2
3
4
9
SW3A
23D04
5
6
7
8
10
SW3B
23D04
1
2
3
4
9
SW4A
23D04
5
6
7
8
10
SW4B
23D04
,
1
2
3
4
CN5B
120*9
27
GTO-804EZ
8
7
6
5
J6B
120903000077
FL+IN
R131A
1K
R167A
10K
MUTE
R144A
1K
C137A
100uF/35V
Q103A
BC850C
R135A
47R
R139A
5.6K
+15V
R134A
47R
Q102A
BC850C
Q105A
BC860C
BC860C
Q104A
BC860C
R137A
47R
R136A
47R
R138A
5.6K
-15V
Q109A
2SD669
Q108A
MPSA13
MPSA13
C135A
104
R147A
1.8K
R148A
5.6K
Q106A
2SB647
Q107A
2SD667
C131A
101
R146A
47R
R149A
47R
C132A
101
R156A
680R
D101A
IN4148
R159A
6.8K
Q113A
2SC1815
C136A
104
D103A
1N4148
PROT
Q110A
2SB649
2SB649
R157A
680R
D102A
IN4148
R160A
6.8K
R158A
4R7
C158A
CL104
C133A
47P
R145A
6K8
R151A
100R
100R
+VCC
M114A
K117
R170A
1K
R168A
6.8K
R169A
1K
R166A
NC
-VCC
Q112A
KTB778
Q111A
KTD998
R140A
100R
C141A
22uF/50V
C143A
391
C144A
391
C142A
102
C192A
22uF/50V
FR-IN
R131B
1K
R167B
10K
MUTE
R144B
1K
C137B
100uF/35V
Q103B
BC850C
R135B
47R
R139B
5.6K
+15V
R134B
47R
Q102B
BC850C
Q105B
BC860C
BC860C
Q104B
BC860C
R137B
47R
R136B
47R
R138B
5.6K
-15V
Q109B
2SD669
Q108B
MPSA13
C135B
104
R147B
1.8K
R148B
5.6K
Q106B
2SB647
Q107B
2SD667
C131B
101
R146B
47R
R149B
47R
C132B
101
R156B
680R
D101B
IN4148
R159B
6.8K
Q113B
2SC1815
C136B
104
D103B
1N4148
PROT
Q110B
2SB649
2SB649
R157B
680R
D102B
IN4148
R160B
6.8K
R158B
4R7
C158B
CL104
C133B
47P
R145B
6K8
R151B
100R
+VCC
M114B
K117
R170B
1K
R168B
6.8K
R169B
1K
R166B
NC
-VCC
Q112B
KTB778
Q111B
KTD998
R140B
100R
C141B
22uF/50V
C143B
391
C144B
391
C142B
102
C192B
22uF/50V
R3
10K
D1
1N4148
C2
22uF/50V
FL-LED
R5
10K
D6
1N4148
C8
22uF/50V
FR-LED
C193B
474
C194B
474
C193A
474
C194A
474
FL+Out
FR-Out
R172A
1K
R171A
1K
1K
R172B
1K
R171B
1K
C14E
104
C13E
104
C12E
104
C11E
104
R165B
0.15R/5W
R165A
0.15R/5W
0.15R/5W
D1B
1N4148
D1A
1N4148
R173B
22K
R173A
22K
+15V
+15V
-12
050203000101
050103000072
28
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