LG 55LX9500 Service Manual page 30
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Also See for 55LX9500:
- Owner's manual (385 pages) ,
- Service manual (110 pages) ,
- Owner's manual (202 pages)
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Panasonic Demodulator Power(3.3V,1.2V)
+3.3V_NORMAL
IF AGC SELECTION
IF_AGC
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
+3.3V_DE
+3.3V_DE
ISDB_POWER
ISDB_POWER
ISDB_POWER
ISDB_POWER
IF_AGC_ISDB
R2900
0
ISDB_DEMOD
R2901
0
INT_DEMOD
TU_IF_AGC_BCM
ISDB_BCD
IC2900
AP2132MP-2.5TRG1
[ E P ]
ISDB_BCD
ISDB_BCD
R2903-*1
R2904
10K
PG
GND
10K
1
8
+1.2V_DE
ISDB_SEMTECH
ISDB_SEMTECH
R2905
EN
ADJ
R2903
10K
2
7
5.1K
VIN
VOUT
3
6
ISDB_POWER
C2903
R2906
10uF
10K ISDB_BCD
ISDB_POWER
VCTRL
NC
4
5
10V
+5V_NORMAL
OPT
C2906
0 . 1 u F
IC2900-*1
SC4215ISTRT
NC_1
GND
1
8
ISDB_SEMTECH
OPT
C2907
EN
ADJ
0 . 1 u F
2
7
VIN
VO
3
6
NC_2
NC_3
4
5
TP2901
IF_AGC_SEL
ISDB_POWER
C2905
22uF
16V
GP2_Saturn7M
V e r . 1 . 0
Demodulator
29
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