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3. TECHNICAL BRIEF
3.10 Headset Interface
This phone has 6 electrodes such as GND, AUXIP, AUXIN (this pin is floating), AUXOP,
JACK_DETECT, HOOK_DETECT. This type supports mono sound
Switching from Receiver to Headset Jack If jack is inserted, JACK_DETECT goes from low to high.
Audio path is switched from receiver to earphone by JACK_DETECT interrupt.
Switching from Headset Jack to Receiver
If jack is removed, JACK_DETECT goes from high to low.
Audio path is switched from earphone to receiver by JACK_DETECT interrupt.
Hook detection
not available to use at LG600G
HEADSET MIC
AUXIN
AUXIP
HEADSET_SPK_OUT_P
(UART_TxD)
USC_2
(UART_RxD)
USC_1
PIF-UNION
JIG PORT
UART
MON PORT
(18pin 16, 17)
DEBUG_TX/RX
UART PORT
(18pin 6, 7)
LGE Internal Use Only
2V8_VEXT
2V5_VMIC
R201
R202
2K
NA
C200
0.1u
C202
C201
R203
10u
NA
1.8K
C206
0.1u
C209
39p
C216
22u
GENIE_TX
C218
GENIE_RX
2V8_VEXT
39p
JACK_DETECT
RPWRON
R231
R215
NA
100K
DSR_DET
R216
47
R217
47
USAGE
S/W Download
/ Calibration
S/W DEBUG???
Figure 3.10 HEADSET JACK INTERFACE
R204
HOOK_DET
0
C207
NA
2V8_VEXT
R230
R210
R212
NA
100K
100K
R214
47
Copyright © 2008 LG Electronics. Inc. All right reserved.
- 34 -
VBAT
21
19
1
FB200
2
3
4
FB201
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20
22
C221
CN200
1u
(25V, 1608)
Only for training and service purposes
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