Read LG 42LE8500 (CHASSIS:LB03E) Service Manual online
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.
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.
C2905
22uF
16V
22uF
16V
ISDB_POWER
C2904
0.1uF
16V
ISDB_POWER
IC2900
SC4215ISTRT
ISDB_POWER
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
+3.3V_DE
IF_AGC
L2900
BLM18PG121SN1D
ISDB_POWER
C2902
0.1uF
16V
ISDB_POWER
R2900
0
ISDB_DEMOD
R2902
10K
ISDB_POWER
R2901
0
INT_DEMOD
IF_AGC_ISDB
+3.3V_DE
C2903
10uF
10V
10uF
10V
ISDB_POWER
R2903
5.1K
ISDB_POWER
TP2901
C2900
0.1uF
ISDB_POWER
IF_AGC_SEL
TU_IF_AGC_BCM
C2901
0.1uF
ISDB_POWER
+3.3V_NORMAL
+1.2V_DE
Demodulator
GP2_Saturn7M
Ver. 1.0
29
IF AGC SELECTION
Panasonic Demodulator Power(3.3V,1.2V)
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