4. TROUBLE SHOOTING
- 87 -
4.12 Microphone Trouble
TEST POINT
CIRCUIT DIAGRAM
C118
R103,R104
R105
R116
C106
(1608)
CLOSE TO AD6537B
(1%)
GPIO40
(1%)
1u
C123
2V8_VEXT
C135
1u
C136
C118
1u
C116
1u
C113
2V75_VVCXO
1V8_VRTC
100
R102
TP102
2V5_VMIC
C137
R101
1.2M
C132
VBAT
1u
C124
0.01u
C125
TP100
1u
C122
1u
C119
1u
C114
10K
R100
2V85_VSIM
C115
0.1u
A4
B4
VEXT2
T3
VMEM1
VMEM2
T2
R3
VMEMSEL
VMIC
N16
T7
VRTC
VSIM
T6
E15
VUSB
VVCXO
D16
VAPPGATE
T4
VBACK
VBACKSEL
T5
B8
VBATSENSE
A5
VCHG
VCORE1
P1
N1
VCORE2
VEXT1
H16
VABB
VAPP
F16
E16
NC_G16_VPLL_TE
G16
R12
NC_R12
R1
A6
GATEDRIVE
IBIAS
T15
ISENSE
A7
B7
CHGDACREF
B5
CHGOSC
CRST
AIN1N
R16
AIN1P
P16
R15
AIN2N
P15
AIN2P
R13
AIN3L
AIN3R
R14
VUSB
C3
COM1
A3
COM2
B1
GND
C2
IN1
A2
IN2
C1
NC1
A1
NC2
C4
NO1
A4
NO2
B4
V+
2V5_VMIC
U100
MAX4684EBC_T
2V8_VMEM
1u
C130
2.2u
C117
1V8_VCORE
VCHARGE
2V75_VABB
VBAT
MULTI_MIC_P
MULTI_MIC_N
MIC_PATH_SEL
MIC_P
MIC_N
BACK_BATT
AUXIN
AUXIP
CLOSE TO MIC
R117
2.2K
R103
1K
0.1u
2V5_VMIC
OSF213-42D
MIC100
1
2
C106
C103
C102
22u
39p
C104
39p
2.2K
R104
C105
39p
39p
C118
C117
39p
100
100
R116
R105
VA100
EVLC14S02050
EVLC14S02050
VA101
MIC_P
MIC_N
Figure 4-14
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 ...