Read JBL GTR 104 Service Manual online
1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
R104
22K
C104
101
R105
10K
R107
10K
R106
10K
R108
10K
1
2
X100
NC
1
2
X101
NC
C102
106P
C103
106P
LOW FL
HI2 FL
HI1 FL
C100
NP 22uF/50V
C105
47P
HI2 FL-1
HI1 FL-1
LOW FL-1
C101
NC
R100
22K
FL
2
3
1
8
4
U100A
JRC4560
RCA-PRO
R120
22K
R121
22K
R102
0R
R103
0R
R101
270R
R119
100K
C112
101
C111
226P
R118
0R
C211
226P
R218
0R
R219
100K
C212
101
R-OUT
L-OUT
R117
15K
R116
16K
R217
15K
R216
16K
1
2
X103
NC
1
2
X105
NC
to 6/8
-12V-1
+12V-1
R109
3.3K
C106
47P
3
2
4
1
SW1A
110103000061
7
6
8
5
SW1B
110103000061
+12V-1
-12V-1
C113
105P
C115
104
104
C116
104
C114
105P
105P
-12V-2
+12V-2
R-OUT
L-OUT
1
2
X104
NC
L100D
030503000004
C117
47P
R111
1K
2
3
1
8
4
U108A
JRC4560
R110
1K
1
2
3
VR100A
B10K
C107
101
R317
1K
R47H
47K
47K
A1
R318
NC
NC
A1+2
D306
0R
MCU_SP REM
A2
RCA-PRO
2
3
1
8
4
U109A
4560
6
5
7
U109B
4560
L100C
030503000004
030503000004
PAGE 14/19
PRE_OL
PAGE 17/19
MCU_SP REM
PRE_OL
PRE_OR
MCU_SP REM
PRE_OR
PRE_OL
PRE_OR
+12V
-12V
+12V
-12V
PAGE 13/19
RCA-PRO
K
2
3
K
1
D100
BAV99
BAV99
+1.8V
-1.8V
RCA-PRO
PAGE 16/19
R319
1K
1K
R520
1K
1K
C213
105P
C214
105P
D103
1.8V
1.8V
D104
1.8V
+12V-1
-12V-1
-1.8V
+1.8V
-1.8V
+1.8V
+1.8V
-1.8V
R204
22K
C204
101
R205
10K
R207
10K
R206
10K
R208
10K
1
2
X200
NC
1
2
X201
NC
C202
106P
C203
106P
LOW FR
HI2 FR
HI1 FR
C200
NP 22uF/50V
C205
47P
HI2 FR-1
HI1 FR-1
LOW FR-1
C201
NC
R200
22K
FR
6
5
7
U100B
JRC4560
RCA-PRO
R220
22K
R221
22K
R202
0R
R203
0R
R201
270R
R209
3.3K
3.3K
C206
47P
11
10
12
9
SW1C
110103000061
15
14
16
13
SW1D
110103000061
L100B
030503000004
C217
47P
R211
1K
6
5
7
U108B
JRC4560
R210
1K
4
5
6
VR100B
B10K
C207
101
B1
B2
L100A
030503000004
030503000004
K
2
3
K
1
D200
BAV99
BAV99
+1.8V
-1.8V
R304
22K
C304
101
R305
10K
R307
10K
R306
10K
R308
10K
1
2
X300
NC
1
2
X301
NC
C302
106P
C303
106P
LOW RL
HI2 RL
HI1 RL
C300
NP 22uF/50V
C305
47P
HI2 RL-1
HI1 RL-1
LOW RL-1
C301
NC
R300
22K
RL
2
3
1
8
4
U300A
JRC4560
RCA-PRO
R320
22K
R321
22K
R302
0R
R303
0R
R301
270R
R309
3.3K
3.3K
C306
47P
47P
19
18
20
17
SW1E
110103000061
23
22
24
21
SW1F
110103000061
L300D
030503000004
C317
47P
R311
1K
2
3
1
8
4
U302A
JRC4560
R310
1K
1
2
3
VR102A
B10K
C307
101
C1
C2
L300C
030503000004
030503000004
K
2
3
K
1
D300
BAV99
BAV99
+1.8V
-1.8V
R404
22K
C404
101
R405
10K
R407
10K
R406
10K
R408
10K
1
2
X400
NC
1
2
X401
NC
C402
106P
C403
106P
LOW RR
HI2 RR
HI1 RR
C400
NP 22uF/50V
C405
47P
HI2 RR-1
HI1 RR-1
LOW RR-1
C401
NC
R400
22K
RR
6
5
7
U300B
JRC4560
RCA-PRO
R420
22K
R421
22K
R402
0R
R403
0R
R401
270R
R409
3.3K
C406
47P
27
26
28
25
SW1G
110103000061
31
30
32
29
SW1H
110103000061
L300B
030503000004
C417
47P
R411
1K
6
5
7
U302B
JRC4560
R410
1K
4
5
6
VR102B
B10K
C407
101
D1
D2
L300A
030503000004
030503000004
K
2
3
K
1
D400
BAV99
BAV99
+1.8V
-1.8V
-12V-1
+12V-1
35
33
34
36
SW1I
SW8P3T
FL-VR
FR-VR
RL-VR
RR-VR
FL-VR
FR-VR
RL-VR
RR-VR
FL-VR
FR-VR
RL-VR
RR-VR
PAGE 17/19
FL
FR
RL
RR
R1H
2.2R
2.2R
R2H
2.2R
020113000189
C1H
104P
-12V-1
+12V-1
+12V-1
+12V-1
-12V-1
-12V-1
C215
105P
C216
105P
105P
-12V
+12V
R15H
030123000032
R25
030123000032
020113000189
C20H
104P
-12V-2
+12V-2
-12V-2
+12V-2
-12V-2
+12V-2
+12V-1
+12V-1
R122
270R
270R
R222
270R
270R
R322
270R
270R
R422
270R
270R
4
3
L
J1B
120203000085
10
9
R
J1E
120203000085
12
11
L
J1F
120203000085
2
1
R
J1A
120203000085
8
7
R
J1D
120203000085
6
5
R
J1C
120203000085
L102
L
L103
L
L101
L
C118
101P
101P
C119
101P
101P
C120
NP 22uF/50V
C220
NP 22uF/50V
C320
NP 22uF/50V
C420
NP 22uF/50V
C314
104
C313
104
C315
104P
C413
104
C316
104
C414
47uF/16V
C415
47uF/16V
C3
101P
101P
C4
101P
101P
R29H
NC
NC
R30H
BAS316
R32H
NC
NC
R33H
BAS316
R34H
47K
47K
R48H
NC
NC
A
K
R36H
BAS316
R37H
47K
47K
R38H
NC
R39H
BAS316
R40H
47K
47K
C38H
NC
C33H
104P
C34H
104P
C35H
104P
C36H
104P
R317 10K to BAS316,R318,C38H to 226/6.3V
R15N
4.7R
R16N
4.7R
4.7R
R17N
4.7R
4.7R
R18N
4.7R
R19N
4.7R
4.7R
R20N
4.7R
4.7R
R22N
4.7R
4.7R
R21N
4.7R
4.7R
1
2
C17N
104P
1
2
C18N
104P
104P
C19N
104P
C20N
104P
104P
INPUT
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