Table of Contents
Advertisement
4.9 Earphone Trouble
Test Points
U200
C209
Circuit Diagram
AUXIN
2V8_VEXT
C200
39p
5
4
1
VCC
JACK_DETECT
OUT
3
GND
2
U200
JACK_DETECT
L
REMOVE
H
INSERT
R210
Figure 4-20
R202
1K
R203
C289
20K
0.1u
C204
R206
C205
NA
20K
NA
2V8_VEXT
R201
1M
AUXOP
VIN-
AUXIP
VIN+
R236 100
R230
330K
- 75 -
4. TROUBLE SHOOTING
2V5_JACK
R204
1.5K
R211
12K
HOOK_DETECT
C277
C206
22u
0.1u
C209
33u
R210
4.7
R228
4.7
J200
CLOSE TO EARJACK
5
1
3
4
2
J200
Advertisement
Table of Contents
