4. TROUBLE SHOOTING
- 75 -
4.9 Earphone Trouble
U200
C209
J200
R210
INSERT
H
JACK_DETECT
CLOSE TO EARJACK
REMOVE
L
1M
R216
20K
R203
1M
R201
NA
C204
39p
C200
C287
39p
NA
C213
1K
R202
R210
4.7
C289
0.1u
5
20K
R206
J200
1
2
3
4
R211
12K
C209
33u
2V5_JACK
2V8_VEXT
NA
C205
2V8_VEXT
C277
R236
100
0.1u
VA204
AVL5M02-200
22u
C206
330K
R230
R204
1.5K
C212
39p
U200
GND
2
OUT
1
VCC
5
VIN+
3
4
VIN-
HOOK_DETECT
4.7
R228
AUXIP
AUXIN
JACK_DETECT
AUXOP
Test Points
Circuit Diagram
Figure 4-20
Summary of Contents for C2100
Page 1: ...Service Manual Model C2100 Service Manual C2100 P N MMBD0048201 Date April 2005 Issue 1 0 ...
Page 76: ...4 TROUBLE SHOOTING 77 4 10 KEY backlight Trouble Test Points Figure 4 21 ...
Page 104: ... 105 8 PCB LAYOUT ...
Page 105: ... 106 8 PCB LAYOUT ...
Page 113: ...10 STAND ALONE TEST 114 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Page 117: ...Note 118 ...
Page 119: ......
Page 135: ......