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3. TECHNICAL BRIEF
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
MIC
R310
2.2K
C326
39p
C324
0.1u
PRSB6.8C
D302
C323
0.1u
MIC300
OSF211-42D
SUMY0010512
1
2
C325
39p
2.2K
R309
D301
PRSB6.8C
10u
C313
47p
C320
MICBIAS
MIC1P
MIC1N
Speaker AMP
HH-1M1005-601JT
FB301
FB302
HH-1M1005-601JT
C330
1000p
100K
R313
C328
0.01u
C329
10u
C332
1u
A1
_SD
GND1
A2
A3
GND2
GND3
B3
C2
GND4
GND5
C3
D2
GND6
GND7
D3
IN+
C1
IN-
D1
NC
B1
B4
VDD1
C4
VDD2
VO+
D4
VO-
A4
TPA2005D1ZQYR
U301
R311
62K
C327
0.01u
1000p
C331
1
2
CON301
24-8005-002-100-867
ENBY0001802
62K
R312
SPK_AMP_EN
+VPWR
LINE_N
LINE_P
Figure . Audio part schematics
Summary of Contents for CU405
Page 1: ...Date May 2007 Issue 1 0 Service Manual Model CU405 Service Manual CU405 Internal Use Only ...
Page 175: ...Note ...
Page 176: ...Note ...