Read LG 32LD460B (CHASSIS:LJ01Z) 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.
+3.3V_DE
0
ISDB_DEMOD
R3001
BLM18PG121SN1D
L3001
ISDB_POWER
0.1uF
C3002
ISDB_POWER
0.1uF
C3001
ISDB_POWER
IF_AGC_SEL
TP3002
+3.3V_Normal
IF_AGC_MAIN
IF_AGC
0
MSTAR DEMOD
R3002
IF_AGC_ISDB
22uF
16V
16V
C3006
ISDB_POWER
10uF
10V
10V
C3004
ISDB_POWER
10K
ISDB_BCD
R3005
+5V_Normal
10K
ISDB_BCD
R3007
0 . 1 u F
OPT
C3008
0 . 1 u F
16V
C3003
ISDB_POWER
10K
ISDB_SEMTEK
R3006
ISDB_BCD
L3002
+1.2V_DE
+3.3V_DE
THERMAL
AP2132MP-2.5TRG1
ISDB_BCD
IC3001
3
VIN
2
EN
4
VCTRL
1
PG
5
NC
6
VOUT
7
ADJ
8
GND
9
[ E P ]
SC4215ISTRT
IC3001-*1
ISDB_SEMTEK
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
10K
ISDB_BCD
R3004
5.1K
R3004-*1
ISDB_SEMTEK
0 . 1 u F
OPT
C3007
10K
R3003
ISDB_POWER
0 . 1 u F
16V
C3005
ISDB_POWER
Demodulator
GP2_Saturn7M
V e r . 1 . 0
IF AGC SELECTION
P a n a s o n i c D e m o d u l a t o r P o w e r ( 3 . 3 V , 1 . 2 V )
29
C h a n g e L i s t
SEMTEK --> BCD
A d d R 3 0 0 5 , R 3 0 0 6 , R 3 0 0 7 , L 3 0 0 2 ,
C 3 0 0 7 , C 3 0 0 8 ( o p t )
Change R3004 10Kohm
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