4. TROUBLE SHOOTING
- 76 -
4.7 BT Trouble
U202
U200
U201
U203
TEST POINT
SNGF0016701
BLUETOOTH
(GPIO 8)
(GPIO 34)
(GPIO 33)
(GPIO 2)
47K
R203
2V8_VMEM
2V8_VBT
ANT201
FEED
NC1
NC2
0.1u
VBAT
C203
C216
0.1u
8
9
PIO4
PIO5
10
RESETB
16
13
SPI_CLK
SPI_CSB
14
15
SPI_MISO
SPI_MOSI
12
UART_CTS
26
23
UART_RTS
UART_RX
24
27
UART_TX
VDD_1_8V
22
21
VDD_DIG
3
VDD_VREGIN
5
ANT
GND1
4
GND2
6
11
GND3
25
GND4
NC
28
PCM_CLK
20
19
PCM_IN
17
PCM_OUT
PCM_SYNC
18
1
PIO0
PIO1
2
7
PIO2
PIO3
U202
LBMA-2C67B2
C210
2.2u
3
4
VCC
5
U201
GND
2
1
A3
BYPASS
GND
B2
A1
VEN
VIN
C3
C1
VOUT
TC7SH08FS
U200
LP3985IBLX-2.8
22nH
L200
GND2
IN
OUT
LFB212G45SG8A166
FL201
GND1
COM1
C3
COM2
A3
GND
B1
IN1
C2
IN2
A2
NC1
C1
NC2
A1
NO1
C4
NO2
A4
B4
V+
0.1u
2V8_VBT
MAX4717EBC-T
U203
C211
15p
2V8_VBT
C208
C200
0.01u
C207
NA
C205
1u
C204
15p
1u
C202
2.2u
C209
BT_EN
USC1
USC2
PCM_TX
USC0
PCM_RX
PCM_TX
USC_1
USC_2
PCM_EN
DEBUG_TX
DEBUG_RX
PCM_TX
USC3
PCM_SYNC8
_BT_RST
PCM_RX
PCM_SYNC8
CIRCUIT DIAGRAM
Figure 4-7
Содержание KG320
Страница 1: ...Date May 2006 Issue 1 0 Service Manual Model KG320 Service Manual KG320 ...
Страница 3: ... 4 ...
Страница 20: ...3 TECHNICAL BRIEF 21 Figure 3 5 SKY77328 FUNCTIONAL BLOCK DIAGRAM ...
Страница 39: ...3 TECHNICAL BRIEF 40 3 7 CAMERA IC AIT811T U103 Figure 3 18 AIT811T APPLICATION BLOCKDIAGRAM ...
Страница 41: ...3 TECHNICAL BRIEF 42 3 8 MIDI IC YMU787 U202 Figure 3 20 YMU787 BLOCKDIAGRAM ...
Страница 59: ...4 2 TX Trouble 4 TROUBLE SHOOTING 60 SKY7477328 FEM 26Mhz OSCILLATOR SI4210 TEST POINT Figure 4 2 ...
Страница 72: ...4 TROUBLE SHOOTING 73 4 6 LCD Trouble AIT811T EMI FILTER CN102 TEST POINT Figure 4 6 ...
Страница 77: ...4 TROUBLE SHOOTING 78 Graph 4 10 a BLUE RST Graph 4 10 b DEBUG_TX RX Graph 4 10 c PCM_SYNCS TX RX USC0 ...
Страница 90: ...4 TROUBLE SHOOTING 91 4 14 Camera and Flash Trouble Camera Module U201 CN202 Figure 4 17 ...
Страница 99: ... 100 ...
Страница 107: ... 108 8 PCB LAYOUT ...
Страница 108: ... 109 8 PCB LAYOUT ...
Страница 109: ... 110 8 PCB LAYOUT ...
Страница 110: ... 111 8 PCB LAYOUT ...
Страница 111: ... 112 8 PCB LAYOUT ...
Страница 112: ... 113 8 PCB LAYOUT ...
Страница 113: ... 114 ...
Страница 121: ...10 STAND ALONE TEST 122 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 127: ... 128 ...
Страница 129: ... 130 ...
Страница 147: ...Note ...
Страница 148: ...Note ...