Panasonic Demodulator Power(3.3V,1.2V); If Agc Selection - LG 42LD450 Service Manual

Panasonic Demodulator Power(3.3V,1.2V)

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.
Copyright © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+3.3V_DE
+3.3V_Normal
ISDB_POWER
L3001
BLM18PG121SN1D
ISDB_POWER
ISDB_POWER
C3001 C3002
0.1uF 0.1uF

IF AGC SELECTION

IF_AGC_ISDB
R3001
0
ISDB_DEMOD
IF_AGC
R3002
0
MSTAR DEMOD
IF_AGC_MAIN
ISDB_POWER
IC3001
SC4215ISTRT
+3.3V_DE
NC_1 GND
1 8 +1.2V_DE
ISDB_POWER
R3004
EN ADJ
2 7
5.1K
VIN VO
3 6
ISDB_POWER
ISDB_POWER
C3003 C3004
0.1uF
10uF NC_2 NC_3 ISDB_POWER
16V
10V 4 5 C3005
0.1uF
16V
TP3002 IF_AGC_SEL
ISDB_POWER
C3006
22uF
16V
GP2_Saturn7M
Demodulator
Ver. 1.0
29
LGE Internal Use Only