4. TROUBLE SHOOTING
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4.3 Power On Trouble
VEXT
VCXO
VUSB
VMEM
VRTC
VSIM
VCORE
VMIC
VABB
(1608)
1u
C123
2V8_VEXT
1u
C118
1u
C116
1u
C113
2V75_VVCXO
1V8_VRTC
VBAT
1u
C122
1u
C119
1u
C114
10K
R100
2V85_VSIM
C115
0.1u
A4
B4
VEXT2
T3
VMEM1
VMEM2
T2
VMIC
N16
T7
VRTC
VSIM
T6
E15
VUSB
VVCXO
D16
VAPPGATE
T4
VBACK
VCORE1
P1
N1
VCORE2
VEXT1
H16
VABB
VAPP
F16
E16
VUSB
2V5_VMIC
2V8_VMEM
2.2u
C117
1V8_VCORE
2V75_VABB
BACK_BATT
TEST POINT
CIRCUIT
Figure 4-3
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 ...