Read JBL GTR 104 Service Manual online
1
2
3
4
A
B
C
D
4
3
2
1
D
C
B
A
R10B
0R
0R
C23B
NC
C22B
NC
NC
R9B
100K
C9B
105P
C8B
104P
104P
C25B
104P
BT_MOSI
BT_CLK
BT_MISO
BT_CSB
BT_DSP_DAO
BT_DSP_BCLK
BT_DSP_LRCLK
1
2
3
4
5
6
7
8
J2B
6P
BT+3.3V
BT_UART_TX
BT_UART_RX
ANT
C15B
105P
105P
R29B
22K
2
3
1
8
4
U2BA
JRC4580
R25B
10K
10K
R24B
11K
11K
C14H
47P
R9N
33R
33R
MIC-_N
MIC+_P
AD1/2VCC-1
MIC INPUT+
R21B
4.7R
C26B
104P
104P
R20B
0R
R19B
0R
R18B
0R
R17B
0R
6
5
7
U2BB
JRC4580
BT_AR_P
R4B
4.7R
4.7R
R5B
4.7R
4.7R
USB_DP
USB_DN
US
B
升级
1
2
X1B
ESD2
ESD2
1
2
X2B
ESD2
ESD2
1
2
3
4
5
6
7
8
9
10
11
2
3
4
5
6
7
8
9
10
11
J1B
121103000297
BT+3.3V
R8B
0R
R7B
0R
0R
R6H
0R
0R
BT+3.3V
BT+3.3V
C1B
106P
C2G
104P
C3G
103P
103P
BT+3.3V
R1B
10K
10K
R2B
10K
10K
C30N
NC
NC
C11E
NC
C12B
NC
NC
R27B
10K
R26B
10K
10K
R23B
33R
33R
C13B
105P
105P
C26N
105P
105P
C18B
105P
C19B
105P
C27N
105P
C21B
105P
BT_UART_RX
BT_UART_TX
BT_DSP_LRCLK
BT_DSP_BCLK
BT_DSP_DAO
PAGE 7/19
PAGE 15/19
MIC INPUT+
BT_AR_P
BT_AR_N
BT_AL_P
BT_AL_N
BT_AR_N
BT_AL_P
BT_AL_N
PAGE 15/19
BT_UART_RX
BT_UART_TX
BT_RESET
BT_RESET
BT+3.3V
BT+3.3V
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
61
62
U1H
BM153-32
BM153-32
BT_I00
BT_I01
BT_I02
R12N
NC
R46N
10K
10K
R13B
0R
R13N
NC
NC
R14N
NC
R16B
10K
BT+3.3V
BT_I00
BT_I01
BT_I02
GTO-A104
BT_DSP_LRCLK
BT_DSP_BCLK
BT_DSP_DAO
MIC INPUT+
MIC INPUT-
MIC INPUT-
MIC INPUT-
R30B
0R
0R
BT_UART_RX
BT_UART_TX
BT_RESET
BT_AR_P
BT_AR_N
BT_AR_N
BT_AL_P
BT_AL_N
AD1/2VCC-1
BT+3.3V
BT+3.3V
PAGE 7/19
蓝牙模块
用
用
P I O 2 , P I O 1 , P I O 0
的组合状 态来辨别不同 机型：
P I O 2
P I O 1
P I O 0
= = = = =
》》
n a m e
H
L
H
= = = = =
》》
G T R - 1 0 4
H
L
L
= = = = =
》》
G T R - 1 0 2
H
H
L
= = = = =
》》
G T R - 7 5 3 5
L
H
L
= = = = =
》》
K A P P A K 4
L
L
H
= = = = =
》》
K A P P A K 2
L
H
H
= = = = =
》》
K A P P A K 5
R32B
4.7K
4.7K
R3B
4.7K
4.7K
C28N
106P
106P
AD1/2VCC-1
C25N
105P
105P
①
①
090503000033
BT_LRCLK
BT_BCLK
BT_DAO
USB+
USB-
BT_SPK R-P
BT_SPK R-N
BT_SPK L-N
BT_SPK L-P
USB脚位反，电路已改
2015-01-22
234
ANT1
BLRF
BLRF
R34B
47K
R47B
47K
47K
C38H
102P
AD1/2VCC-1
1
2
ESD24
18KV
18KV
GTR-104/K4 BT
Click on the first or last page to see other GTR 104 service manuals if exist.