JBL GTO 752 (serv.man15) Service Manual ▷ View online
1
2
3
4
A
B
C
D
4
3
2
1
D
C
B
A
Q1B
C1815
Q2B
C1815
R13B
22R
R16B
22R
R8B
5K6
R1B
1K
V+
Q9B
A1015
Q10B
A1015
R14B
22R
R15B
22R
R9B
5K6
R2B
1K
V-
Q4B
2N5401
Q11B
2N5551
1
2
R3B
47R
R4B
47R
Q3B
A13
R18B
3K3
R19B
5K6
C2B
100/100V
C3B
100/100V
C8B
CL104
C7B
100U/25V
R17B
1K
Q5B
D667
Q12B
B647
Q6B
TIP35C
Q13B
TIP36C
R24B
820R
R23B
820R
Q7B
C1815
R10B
10K
C9B
1U/50V
PRO
R25B
4.7/0.5W
C10B
CL104
R12B
100R
R7B
10K
C6B
471
MUTE
CH1SG
R26B
5K6
C1B
W10U/50V
R6B
10K
CH1OUT
R5B
10K
PRO
+VCC
-VCC
CH1OUT
MUTE
CH1SG
R20B
220R 1/4W
R11B
10K
Q8B
S8050
+VCC
-VCC
2
3
1
R22B
0.10/5W
C4B
391/100V
C5B
391/100V
DW GNO:
PART NO:
PART NAME:
PRODUCT MODE:
SCALE: 1:1
UNIT: MM
SIZE: A4
REV: 1.0
DRAWN BY:
CHECKED BY:
APPROVED BY:
DATA:
DATA:
DATA:
AMP-1CH
JBL GTO752
D2B
4148
D1B
4148
R56B
56K
DC
R27B
1K
R28B
1K
C12B
22U
C11B
22U
ECN NO
DESCRIPTON
DATA
APPROVED
16
GTO752
1
2
3
4
A
B
C
D
4
3
2
1
D
C
B
A
Q1C
C1815
Q2C
C1815
R13C
22R
R16C
22R
R8C
5K6
R1C
1K
V+
Q9C
A1015
Q10C
A1015
R14C
22R
R15C
22R
R9C
5K6
R2C
1K
V-
Q4C
2N5401
Q11C
2N5551
R3C
47R
R4C
47R
Q3C
A13
R18C
3K3
R19C
5K6
C2C
100/100V
C3C
100/100V
C8C
CL104
C7C
100U/25V
R17C
1K
Q5C
D667
Q12C
B647
Q6C
TIP35C
Q13C
TIP36C
R24C
820R
R23C
820R
Q7C
C1815
R10C
10K
C9C
1U/50V
PRO
R25C
4.7/0.5W
C10C
CL104
R12C
100R
R7C
10K
C6C
471
MUTE
CH2SG
R26C
5K6
C1C
W10U/50V
R6C
10K
CH2OUT
R5C
10K
PRO
+VCC
-VCC
CH2OUT
MUTE
CH2SG
R20C
220R 1/4W
R11C
10K
Q8C
S8050
+VCC
-VCC
2
3
1
R22C
0.10/5W
C4C
391/100V
C5C
391/100V
DW GNO:
PART NO:
PART NAME:
PRODUCT MODE:
SCALE: 1:1
UNIT: MM
SIZE: A4
REV: PV
DRAWN BY:
CHECKED BY:
APPROVED BY:
DATA:
DATA:
DATA:
AMP-2CH
JBL GTO752
D2C
4148
D1C
4148
R56C
56K
DC
R27C
1K
R28C
1K
C12C
22U
C11C
22U
ECN NO
DESCRIPTON
DATA
APPROVED
17
GTO752
1
2
3
4
5
6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
R105A
220R
R104A
10K
2
3
1
4
SW100AA
R119A
1K
R100A
10K
C100A
22P
R103A
10K
R101A 10K
R115A
5.6K
C102A
CL823
R116A
5.6K
C103A
CL823
R102A
6.8K
1
3
2
VR100AA
A50K
4
6
5
VR100AB
A50K
LPF
FLAT
HPF
C108A
22P
CH1
R106A
47K
R112A
220R
6
7
5
8
SW100AB
R120A
1K
R107A
10K
C101A
22P
R110A
10K
R108A 10K
R117A
5.6K
C104A
CL823
R118A
5.6K
C105A
CL823
R109A
6.8K
7
9
8
VR100AC
A50K
10
12
11
VR100AD
A50K
LPF
FLAT
HPF
C109A
22P
CH2
R114A
47K
R113A
10K
CH1
CH2
DW GNO:
PART NO:
PART NAME:
PRODUCT MODE:
SCALE: 1:1
UNIT: MM
SIZE: A4
REV: 1.0
DRAWN BY:
CHECKED BY:
APPROVED BY:
DATA:
DATA:
DATA:
PRE
JBL GTO752
C106
124
C107
563
R127
27K
+V
-V
C131
124
C130
563
R128
27K
27K
LED2
LED
R111
1K
R106
1K
+V
-V
4
6
5
VR101B
B5K
1
3
2
VR101A
B5K
R100
22K
22K
R101
22K
22K
3
2
1
U100A
4558
3
2
1
U101A
4558
3
2
1
U102A
4558
5
6
7
8
4
U100B
4558
5
6
7
8
4
U101B
4558
5
6
7
8
4
U102B
4558
-V
+V
-V
+V
3
2
1
U103A
4558
5
6
7
8
4
U103B
4558
-V
+V
CH2SG
CH1SG
C205
104P
104P
C208
104P
104P
C209
104P
C203
10P
10P
C202
104P
104P
V+
R207
10K
R201
22K
C216
220U/25VNP
C218
100P
R208
10K
R200
10K
INPUT
C200
W22U/50V
C214
CC10P
C219
100P
C201
W22U/50V
R202
10K
R209
10K
R204
22K
C217
220U/25NP
C220
100P
R211
10K
R203
10K
INPUT
C206
W22U/50V
C215
CC10P
C221
100 P
C207
W22U/50V
W22U/50V
R205
10K
-V
+V
3
2
1
U201A
NJM4558
NJM4558
5
6
7
8
4
U201B
NJM4558
1
2
CH1-in
5
6
CH2-in
FL
FR
R224
4K7
4K7
R229
4K7
1
3
2
VR200A B20K
4
6
5
VR200B
B20K
R210
4K7
R241
300R
300R
R230
4K7
4K7
R231
300R
C227
10P
C222
100P
C225
100P
5
6
7
8
4
U202B
NJM4558
3
2
1
U202A
NJM4558
-V
+V
CH2
CH1
3
4
R-OUT
7
8
L-OUT
R323
56K
R320
56K
R221 56K
R222 56K
C224
100/P
C223
100/P
R226
1K
R227
1K
C211
W22U/50V
C212
W22U/50V
R217
100K
R216
100K
3
2
1
U200A
NJM4558
5
6
7
8
4
U200B
NJM4558
+V
-V
FR
FL
FR
FL
3
2
1
U302A
NJM4558
R314
10K
10K
R312
10K
10K
R313
10K
V-
V+
5
6
7
8
4
U302B
NJM4558
R315
10K
R316
10K
10K
ECN NO
DESCRIPTON
DATA
APPROVED
zeng xin hua
2007/07/17
C130A
100/P
C130B
100/P
Output
Output
18
GTO752
1
2
3
4
5
6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
R105A
220R
R104A
10K
2
3
1
4
SW100AA
R119A
1K
R100A
10K
C100A
22P
R103A
10K
R101A 10K
R115A
5.6K
C102A
CL823
R116A
5.6K
C103A
CL823
R102A
6.8K
1
3
2
VR100AA
A50K
4
6
5
VR100AB
A50K
LPF
FLAT
HPF
C108A
22P
CH1
R106A
47K
R112A
220R
6
7
5
8
SW100AB
R120A
1K
R107A
10K
C101A
22P
R110A
10K
R108A 10K
R117A
5.6K
C104A
CL823
R118A
5.6K
C105A
CL823
R109A
6.8K
7
9
8
VR100AC
A50K
10
12
11
VR100AD
A50K
LPF
FLAT
HPF
C109A
22P
CH2
R114A
47K
R113A
10K
CH1
CH2
DW GNO:
PART NO:
PART NAME:
PRODUCT MODE:
SCALE: 1:1
UNIT: MM
SIZE: A4
REV: 1.0
DRAWN BY:
CHECKED BY:
APPROVED BY:
DATA:
DATA:
DATA:
PRE
JBL GTO752
C106
124
C107
563
R127
27K
+V
-V
C131
124
C130
563
R128
27K
27K
LED2
LED
R111
1K
R106
1K
+V
-V
4
6
5
VR101B
B5K
1
3
2
VR101A
B5K
R100
22K
22K
R101
22K
22K
3
2
1
U100A
4558
3
2
1
U101A
4558
3
2
1
U102A
4558
5
6
7
8
4
U100B
4558
5
6
7
8
4
U101B
4558
5
6
7
8
4
U102B
4558
-V
+V
-V
+V
3
2
1
U103A
4558
5
6
7
8
4
U103B
4558
-V
+V
CH2SG
CH1SG
C205
104P
104P
C208
104P
104P
C209
104P
C203
10P
10P
C202
104P
104P
V+
R207
10K
R201
22K
C216
220U/25VNP
C218
100P
R208
10K
R200
10K
INPUT
C200
W22U/50V
C214
CC10P
C219
100P
C201
W22U/50V
R202
10K
R209
10K
R204
22K
C217
220U/25NP
C220
100P
R211
10K
R203
10K
INPUT
C206
W22U/50V
C215
CC10P
C221
100 P
C207
W22U/50V
W22U/50V
R205
10K
-V
+V
3
2
1
U201A
NJM4558
NJM4558
5
6
7
8
4
U201B
NJM4558
1
2
CH1-in
5
6
CH2-in
FL
FR
R224
4K7
4K7
R229
4K7
1
3
2
VR200A B20K
4
6
5
VR200B
B20K
R210
4K7
R241
300R
300R
R230
4K7
4K7
R231
300R
C227
10P
C222
100P
C225
100P
5
6
7
8
4
U202B
NJM4558
3
2
1
U202A
NJM4558
-V
+V
CH2
CH1
3
4
R-OUT
7
8
L-OUT
R323
56K
R320
56K
R221 56K
R222 56K
C224
100/P
C223
100/P
R226
1K
R227
1K
C211
W22U/50V
C212
W22U/50V
R217
100K
R216
100K
3
2
1
U200A
NJM4558
5
6
7
8
4
U200B
NJM4558
+V
-V
FR
FL
FR
FL
3
2
1
U302A
NJM4558
R314
10K
10K
R312
10K
10K
R313
10K
V-
V+
5
6
7
8
4
U302B
NJM4558
R315
10K
R316
10K
10K
ECN NO
DESCRIPTON
DATA
APPROVED
zeng xin hua
2007/07/17
C130A
100/P
C130B
100/P
Output
Output
18
GTO752
