THERMAL
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.
C2905
22uF
16V
ISDB_POWER
C2904
0.1uF
16V
ISDB_POWER
+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
ISDB_POWER
R2903
5.1K
ISDB_SEMTECH
TP2901
C2900
0.1uF
ISDB_POWER
IF_AGC_SEL
TU_IF_AGC_BCM
C2901
0.1uF
ISDB_POWER
+3.3V_NORMAL
+1.2V_DE
R2904
10K
ISDB_BCD
R2905
10K
ISDB_SEMTECH
R2906
10K ISDB_BCD
L2901
ISDB_BCD
+5V_NORMAL
C2907
0.1uF
OPT
C2906
0.1uF
OPT
R2903-*1
10K
ISDB_BCD
IC2900
AP2132MP-2.5TRG1
ISDB_BCD
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[EP]
IC2900-*1
SC4215ISTRT
ISDB_SEMTECH
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
Demodulator
GP2_Saturn7M
Ver. 1.0
29
IF AGC SELECTION
Panasonic Demodulator Power(3.3V,1.2V)
Copyright © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
Содержание 55LX9500
Страница 53: ......