LG KE990 Service Manual - Page 56
ESM6270 Audio CODEC pins
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LGE Internal Use Only - 57 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes Figure . Audio part schematics LINE_ON LINE_OP HPH_R HPH_L EAR1ON EAR1OP MICBIAS AUXOUT HPH_VREF LINE_L_IP LINE_L_IN LINE_R_IP LINE_R_IN AUXIN AUXIP MIC2N MIC2P MIC1N MIC1P CCOMP AC18 AC17 AA17 W17 AE18 AF18 T15 AA18 AA19 AC22 AC21 AC19 AC20 AF19 AE19 AF21 AF22 AF20 AE20 AA20 HP_R HP_L SPK_R SPK_L RCVRCV+ MICBIAS C200 10p C236 0.1u C235 0.1u MIC1N MIC1P L200 100nH MIC2P ESM6270 Audio CODEC pins 3. TECHNICAL BRIEF
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
- 57 -
ESM6270 Audio CODEC pins
0.1u
C235
AF20
MIC1N
AE20
MIC1P
MIC2N
AF21
MIC2P
AF22
T15
MICBIAS
AC21
LINE_L_IN
LINE_L_IP
AC22
LINE_ON
AC18
AC17
LINE_OP
LINE_R_IN
AC20
AC19
LINE_R_IP
W17
HPH_L
HPH_R
AA17
AA19
HPH_VREF
EAR1ON
AF18
EAR1OP
AE18
AA20
CCOMP
AF19
AUXIP
AE19
AA18
AUXOUT
AUXIN
C236
0.1u
10p
C200
L200
100nH
HP_R
HP_L
RCV+
RCV-
MICBIAS
SPK_L
SPK_R
MIC1P
MIC1N
MIC2P
Figure . Audio part schematics