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4.16 Bluetooth Trouble
TEST POINT
TP5
CIRCUIT
TP1
TP3
TP7
TP1
ANT303
4
L321 1.2n
DUMMY3
C347
3
1
DUMMY2
FEED
2
TP TP7
DUMMY1
SDBTPTR3015
C350
C321
DNI
2p
TP2
TP2
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Only for training and service purposes
TP8
TP7
TP1
TP3
TP6
TP4
MT6612_Bluetooth
BT_2V8
TP8
L319
FL304
22n
C328
100p
UB
B1
3
5
L320
NC_DC
G2
2
6
6.8n
NC
B2
1
7
C320
C323
C330
DNI
1u
2450MHz
LFB212G45BA1A220
BT_CLK26M
TP8
4. TROUBLE SHOOTING
TP2
Figure 4.16.1
VBAT
BT_2V8
BT_2V8
TP4
C341
TP4
2.2u
BT_PWR_EN
R320
51K
L301
10n
5.6p
L300
17
10n
RFTEST1
18
5.6p
RFTEST2
16
RFTEST3
22
RF2G_N
21
RF2G_P
U302
20
RES_IN
MT6612
C319
1n
13
OSC_IN
R313
15K
TP6
98/140
- 91 -
4. TROUBLE SHOOTING
BT_2V8
C342
C343
TP5
0.1u
2.2u
TP5
BT_1V2
C340
1u
38
TESTMODE
37
TP300
SRCLKENA
BTCLK_EN
2
SYSRST_B
39
C303
1n
EXT32K
BT_32K
BT_2V8
36
TP301
GPIO0
BB_WAKEUP
28
GPIO1
27
R324
GPIO4
24
100K
GPIO5
26
ECLK_SEL
40
TP302
UTXD1
BT_RXD
1
TP303
URXD1
BT_TXD
4
TP304
BT_PCMCLK
PCMCLK
3
PCMSYNC
BT_PCMSYNC
7
TP306
PCMOUT
BT_PCMIN
6
TP307
PCMIN
BT_PCMOUT
29
JTCK
30
JTRST_B
25
JTDI
32
JTMS
33
JTDO
31
JRTCK
LGE Internal Use Only
BT_RESET
R303
100K
TP6
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