Read JBL GTR 102 Service Manual online
1
2
3
4
A
B
C
D
4
3
2
1
D
C
B
A
BT_I02
R23
0R
C36
NC
C37
NC
R22
100K
C18
105P
C31
104P
104P
BT_MOSI
BT_CLK
BT_MISO
BT_CSB
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
J2
6P
BT+3.3V
ANT
C25
106P
R45
22K
22K
C26
471P
471P
2
3
1
8
4
U6A
BA4560
BA4560
R48
10K
C27
47P
47P
R51
47R
MIC-_N
MIC+_P
R46
10K
C28
104P
R57
0R
R54
0R
R56
0R
R55
0R
R20
4.7R
R21
4.7R
USB_DP
USB_DN
US
B
छ㑻
1
2
X1
ESD2
1
2
X2
ESD2
BT+3.3V
R18
0R
0R
R19
0R
R17
0R
L1
10uH
BT+3.3V
C3
106P
106P
C10
104P
C11
103P
R2
10K
R1
10K
C14
NC
C13
NC
C12
NC
R47
11K
11K
R50
10K
R53
47R
C29
105P
C30
105P
C32
106P
106P
C35
106P
106P
C34
106P
C33
106P
AI
01
1
AI
00
2
RE
SE
T
3
GND
4
P
109
5
P
1010
6
P
1011
7
P
1012
8
P
1013
9
P
1014
10
P
1015
11
GND
12
VDD
13
VD
D_
US
B
14
+1
V
8
15
GND
16
US
B
_
D
P
17
US
B
_
DN
18
UA
R
T
_R
TS
19
US
R
T
_C
TS
20
UAR
T_R
X
21
UART_TX
22
PCM_IN
23
PCM_SYNC
24
PCM_CLK
25
PCM_OUT
26
SPI_CSB
27
SPI_MISO
28
SPI_CLK
29
SPI_MOSI
30
VR
E_I
N
31
VDD_B
A
T
32
GND
33
VDD_C
H
G
34
LED1
35
LED0
36
GND
37
S
P
K
_L_N
38
SP
K
_
L
_
P
39
SP
K
_
R_
N
40
SP
K
_
R_
P
41
GND_S
42
M
IC_
BA
IS
43
M
IC_
B_
P
44
M
IC_
B_
N
45
MI
C
_
A
_
P
46
MI
C
_
A
_
N
47
CN
D
48
PI0
0
49
PI0
1
50
PI0
2
51
PI0
3
52
PI04
53
PI05
54
PI06
55
PI07
56
PI08
57
GND
58
RP
59
GND
60
U1
BM153-32
R42
0R
R58
NC
NC
R43
0R
R12
10K
R44
0R
0R
R59
NC
NC
BT+3.3V
R41
0R
0R
AD1/2VCC-1
GTR-102:
R43/R44
=
0
R59/R42
=
NC
R58
=
10K
K2:
R43/R42
=
0
R44/R58
=
NC
R59
=
10K
R3
10K
R4
10K
C4
106P
AD1/2VCC-1
C1
105P
BT_UART_TX
BT_UART_RX
BT_UART_RX
BT_UART_TX
BT_RESET
to/5- MCU
to/5- MCU
MIC INPUT+
MIC INPUT-
to 㒓Ⲧᄤッ䕧ܹ
BT_DSP_LRCLK
BT_DSP_BCLK
BT_DSP_DAO
to/8- DSP
BT_AR_P
BT_AR_N
BT_AL_P
BT_AL_N
to/8- DSP
BT_I01
BT_I00
BT_I00
Fr/5- MCU
BT+3.3V
BT+3.3V
㪱⠭छ㑻ষ
6
5
7
U6B
BA4560
BA4560
1
2
3
ANT1
RF
L9
10uH
AD1/2VCC-1
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
11
J1
USB205FB-1
C148
104P
104P
1
2
X11
ESD2
1
2
X15
ESD2
SCHEMATIC DIAGRAM - BT PART
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