Read LG 42LT760H-TA (CHASSIS:LB3AF) 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_NORMAL
0 . 1 u F
16V
C6521
+3.3V_TU
22uF
10V
C6519
0 . 1 u F
16V
C6513
22uF
10V
C6520
+5V_TU
0 . 1 u F
16V
C6517
0 . 1 u F
16V
C6518
0
R6513
22uF
10V
10V
C6515
+5V_NORMAL
BLM18PG121SN1D
L6502
33
R6500
I2C_SCL6
I2C_SDA6
33
R6501
18pF
50V
50V
OPT
C6501
18pF
50V
50V
OPT
C6500
+5V_TU
MMBT3906(NXP)
Q6500
E
B
C
0 . 1 u F
16V
C6505
470
R6503
82
R6504
TUNER_SIF
4.7K
R6502
1K
OPT
R6507
220
R6508
220
R6510
TU_CVBS
+5V_TU
MMBT3906(NXP)
Q6501
E
B
C
100pF
50V
50V
C6509
+3.3V_TU
0 . 1 u F
16V
C6510
/TU_RESET
+3.3V_TU
0 . 1 u F
16V
C6511
100K
OPT
R6511
100
R6506
IF_AGC
0 . 1 u F
16V
16V
C6507
100
R6505
IF_N
IF_P
+1.8V_TU
BLM18PG121SN1D
L6503
100pF
50V
C6525
0 . 1 u F
16V
C6527
0 . 1 u F
16V
C6526
+3.3V_TU
10uF
10V
10V
C6523
AZ1117BH-1.8TRE1
IC6501
1
ADJ/GND
2
OUT
3
IN
0 . 1 u F
16V
16V
C6524
+1.8V_TU
1
R6517
TDSS-G101D
TU6500
5
+3.3V
11
DIF[N]
2
RESET
10
D I F [ P ]
4
SDA
1
NC
9
IF_AGC
8
CVBS
3
SCL
7
+1.8V
6
S I F
12
SHIELD
65
TUNER
2 0 1 1 . 0 8 . 1 1
C l o s e t o t h e t u n e r
C l o s e t o t h e t u n e r
150mA(MAX)
465mA(MAX)
close to TUNER
2 . N o v i a o n b o t h o f t h e m
S i g n a l t o S i g n a l W i d t h = 1 2 m i l s
1 . s h o u l d b e g u a r d e d b y g r o u n d
3 . S i g n a l W i d t h > = 1 2 m i l s
Ground Width >= 24mils
c l o s e t o T u n e r
s h o u l d b e g u a r d e d b y g r o u m d
H/NIM for Commercial (EU)
c l o s e t o T u n e r ‘
2 0 1 2 p e r a l l e l
b e c a u s e o f d e r a t i n g
Max 240mA
xxLT760H-UA
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