4. TROUBLE SHOOTING
- 98 -
4.12 Microphone Trouble
CLOSE TO AD6537B
C140
39p
NA
C139
R109
NA
C138
NA
39p
C141
R12
NC_R12
AIN1N
R16
AIN1P
P16
R15
AIN2N
P15
AIN2P
R13
AIN3L
AIN3R
R14
AUXIP
VINNORN
VINNORP
AUXIN
CLOSE TO MIC
EVL5M02200
VA204
VA203
EVL5M02200
1u
C221
C216
39p
R212
1K
1
2
MIC200
SOB-413S44-RC3310
R217
2.2K
C215
0
R215
39p
R214
100
39p
C218
39p
C214
C2
IN2
A2
NC1
C1
NC2
A1
NO1
C4
NO2
A4
V+
B4
NLAS4684FCT1
U202
COM1
C3
COM2
A3
GND
B1
IN1
2V5_VMIC
R216
100
R213
2.2K
39p
C219
10u
C213
C217
0.1u
MIC_PATH_SEL
MULTI_MIC_P
MULTI_MIC_N
VINNORP
VINNORN
Test Points
Circuit Diagram
2
1
6
3
5
4
39p
C212
EVL5M02200
VA201
EVL5M02200
VA200
EVL5M02200
VA202
J200
Z3X-BOX.COM
Summary of Contents for MG300d
Page 23: ...3 TECHNICAL BRIEF 24 Figure 3 1 SKY74400 FUNCTIONAL BLOCK DIAGRAM Z 3 X B O X C O M ...
Page 83: ...4 TROUBLE SHOOTING 84 4 6 LCD Trouble EMI FILTER CN600 Test Points Z 3 X B O X C O M ...
Page 110: ...5 DOWNLOAD AND CALIBRATION 111 8 Push the START button Z 3 X B O X C O M ...
Page 111: ...5 DOWNLOAD AND CALIBRATION 112 9 Phone test Finish is shown in below screen Z 3 X B O X C O M ...
Page 112: ...6 BLOCK DIAGRAM 113 6 BLOCK DIAGRAM Z 3 X B O X C O M ...
Page 113: ... 114 Z 3 X B O X C O M ...
Page 124: ... 125 MG300d 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 125: ... 126 MG300d 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 137: ... 138 Z 3 X B O X C O M ...
Page 138: ... 139 Z 3 X B O X C O M ...
Page 140: ... 141 12 EXPLODED VIEW REPLACEMENT PART LIST Z 3 X B O X C O M ...
Page 141: ... 142 Z 3 X B O X C O M ...