Read JBL GTR 601 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
R14
47.5K
C13
100pF
R15
22K
R17
22K
R16
22K
R18
22K
AGND
R8
270R/1W
R10
100K
R11
100K
R5
0R
R6
0R
C3
10uF/25V
C4
10uF/25V
C1
100uF/25V NP
AGND
C11
101
2
1
RCA1A
R1
0R
FL
AGND
C17
101
HI 1
HI 2
Line
HI 1
HI 2
Line
R19
47.5K
C16
101
R21
22K
R22
22K
R20
22K
R23
22K
AGND
R9
270R/1W
R13
100K
R12
100K
R7
0R
R4
0R
C9
10uF/25V
C8
10uF/25V
C2
100uF/25V NP
C12
101
4
3
RCA1B
AGND
C18
101
HI 1
HI 2
Line
HI 1
HI 2
Line
R27
4.7K
R24
4.7K
1
L1A
L-4
3
L1B
L-4
5
L1C
L-4
7
L1D
L-4
6
7
5
8
SW1B
SW2P3T-1333
10
11
9
12
SW1C
SW2P3T-1333
2
3
1
4
SW1A
SW2P3T-1333
14
15
13
16
SW1D
SW2P3T-1333
TP5
TP6
TP2
TP1
2
3
1
U1A
4580
6
5
7
U1B
4580
8
4
U4C
4580
AGND
C23
104
C47
224
+12V
AGND
R100
47K
Q6
2SC1815
R99
10K
RCA-PRO
RCA-PRO
RCA-PRO
TP3
PROT
6
5
7
U2B
4580
R29
4.
7K
AGND
R30
2.2K
C14
101
AGND
R34
1K
2
3
1
U2A
4580
R39
3K
C15
101
AGND
INPUT
R49
2.4K
R50
2.4K
6
5
7
U3B
4580
C25
330nF
C26
150nF
AGND
R44
3.3K
R40
3.3K
R45
22K
AGND
C32
101
LPF 32-320Hz
2
3
1
U3A
4580
R56
4.7K
C31
101
AGND
2
3
1
U7A
4580
6
5
7
U7B
4580
D3
BAS316
D4
BAS316
R69
1K
R28
10K
R71
4.02K
R72
4.02K
AGND
+B
R57
4.7K
8
4
U5C
4580
C48
224
8
4
U6C
4580
C49
224
C24
104
-12V
R52
22K
6
5
7
U6B
4580
8
4
U3C
4580
C46
224
C28
101
R54
22K
AGND
R25
5.9K
R26
44.2K
C30
101
AGND
8
4
U2C
4580
C45
224
8
4
U1C
4580
C44
224
LIMIT
PHASE0-180
R70
82K
R73
82K
-B
AGND
Q5
2SA1015
R47
10K
R94
220K
-12V
R48
10K
R97
47K
R95
2.2K
Q4
2S
C1815
AGND
R98
10K
R96
47K
+12V
MUTE
1
2
3
SW2A
2P2T
4
5
6
SW2B
2P2T
4
5
6
VR1B
B20K
1
2
3
VR2A
B20K
4
5
6
VR2B
B20K
R87
340
C39
274
1
3
2
VR3A
B2K/NC
R3
39K
4
6
5
VR3B
B200K/NC
AGND
R88
1.8K/NC
R89
0R/NG
C36
824/NC
DBO
BOOSTER
BASS
SUB SONIC
R53
0R
2
3
1
U4A
4580
4
6
5
VR4B
500R
R105
270R/1W
R104
270R/1W
TP9
TP10
SIG
TP11
1.01V
R63
820R/NC
R64
1.3K/NC
TP13
R60
4.12K
输入0.2时输出约2.3V
6
5
7
U5B
4580
2
3
1
U5A
4580
R65
12K
C40
101
R91
5.1K
C38
223
C41
104
R61
0R
R62
0R
AGND
R90
470K
R110
47K
AGND
TP12
8
4
U7C
4580
RCA-PRO
R108
30.9K
R106
47K
Q9
2SC1815
Q8
2SA1015
R107
10K
RCA-ON
PGND
C42
106
R109
4.7K
TP16
C65
106
TP17
C50
224
TP20
TP14
TP15
U5B同相输入时 输出为反相
NRST
1
VDD
2
OSCI
3
OSCO
4
ADC
5
ADC
6
ADC
7
SC
L
8
VSS
9
SDA
10
U13
MT51F116-MG10BWT
R119
47K
R122
4.7K
L6
100M/1K
C6
1
106
1
2
3
2
3
CN1B
CON3
DGND
MCU5V
C54
104
R120
4.7K
C58
NC
1
2
3
4
5
CN2B
CN5P
R115
22R
R114
22R
R113
22R
DGND
L5
100M/1K
LD_STB
LED_CLK
LED_DI/O
LED_5V
GND
R116
0R
TO:LED
TO:升级口
DGND
LED_DI/O
LED_CLK
LD_STB
LED_5V
K601
时
R63
，
R64
，
R61
，
R53 NC
K601
时
VR4B
为
500R
Sampling
C62
106
R123
0R
SIG
2
3
1
U6A
4580
6
5
7
U4B
4580
R126
0R
C55
104
104
GND
DGND
P+12V
AGND
R55
220R
C34
10uF/25V
D11
BAS316
C10
100uF/25V
R74
1M
AGND
G
G
D
D
S
S
Q1
J112
D12
BAS316
-12V
DGND
MCU5V
Sampling
DGND
MCU5V
C6
0
106
C5
9
104
R86
0R/NC
VR3脚位反
C74
104
C75
104
C63
106
SIGN
5V_LED
5V_LED
PGND1
Q3
2S
C1815
REV:T1-1
GTR-601/K600
K
2
A
1
DZ1B
9.1V
R130
8.
25K
R131
4.7K
R132
4.7K
C43
220uF
/25V
N
P
C70
225
R31
0
GTR-601 PRE-AMP
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