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LG HB620 Service Manual

LG HB620
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4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.17.2 Checking DVB-H/T Power Block
( 1% )
1608
+1.0V_DVB_CORE
0.9857V
+1.8V_DVB_RF
2016 size
( 1% )
1608
+1.0V_DIB_MAC
1u
C102
36K
R109
2.2u
C105
4.7u
C103
C108
4.7u
100pC104
4.7uHL102
C101
1u
R1131D181DU105
GND
5
NC1
2
4
NC2
1
VDD
3
VOUT
6
_CE_OR_CE
33nH
L101
+1.8V_DVB_PLL
+VPWR
R115
56K
EN
LX
4
OUT
2
6
PGND1
PGND2
7
PGND3
8
3
VIN
+VPWR
AAT1143IJS-0.6-T1
U102
AGND
5
1
R188
0
+1.8V_DVB_RF
+1.0V_DIB_CORE
DIB_PWR_ENDIB_PWR_EN
[Fig. 4.22] DVB-H/T Power Schematic
]
[Fig. 4.23] DVB-H/T Power Components Placement
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LG HB620 Specifications

General IconGeneral
BrandLG
ModelHB620
CategoryCell Phone
LanguageEnglish

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