Only For Training And Service Purposes - LG KG270 Service Manual
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Also See for KG270:
- Service manual (125 pages) ,
- User manual (69 pages) ,
- Manual (113 pages)
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RECEIVER
REC_P
C100
39p
REC_N
SPEAKER AMPLIFIER
R103
C116
NA
NA
R104
C117
0.1u
SPK_N
20K
R105
C118
0.1u
SPK_P
20K
R106
C119
0.1u
RADIO_SPK_L
20K
LOUD_SPK_EN
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C102
39p
Figure 3-10-2 Main Receiver interface
R102
82K
U100
NCP2890AFCT2G
A3
C2
INP
OUTB
A1
A2
INM
OUTA
C3
B2
_SD
VM
C1
B3
BYPASS
VP
Gain : Rf/Rin
Figure 3-10-3 Main Speaker interface
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3. TECHNICAL BRIEF
L100
22nH
L101
22nH
C103
39p
SPEAKER
VBAT
D100
C120
C122
C123
1 uF
0.1u
0.1u
(2012)
(10V,K)
CN100
1
2
11*07*3T receiver
(SURY0013001)
CN101
L103
27nH
1
L104
27nH
2
16pi 3.4T speaker
(SUSY0025801)
D101
LGE Internal Use Only
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