LG 32LD310 - Page 17

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.
TUNER_SCL
TUNER_SDA
5V_TUNER
0.01uF
C401
50V
0.01uF
C409
50V
TU_CTL_VIF
R429
0
TU_SW_VIF
R430
0
NON_TU_SW
R431
0
NON_TU_SW
0.01uF
C414
50V
VIF2
VIF1
SIF2
SIF1
TU_AGC
Q403
2SC3875S(ALY)
TU_SW_VIF
E
B
C
D401 30V
0.01uF
C415
50V
5V_M
R409
0
R408
0
VIF_12V
R411
680
5V_M
R428
0
TU_SW_SIF
5V_M
R401
0
READY
0.01uF
C404
50V
0.01uF
C403
50V
C413
0.1uF
16V
C417
0.1uF
16V
R418
100
R423
12K
C411
47pF
50V
C412
47pF
50V
R415
47
R414
47
R420
6.8K
TU_SW_VIF
R419
6.8K
TU_SW_VIF
R422
6.8K
TU_SW_SIF
R421
6.8K
TU_SW_SIF
R425
3.3K
TU_SW_VIF
0.01uF
C405
50V
C410
0.1uF
16V
READY
R405
0
TU_CTL_SIF
R416
3.3K
TU_SW_SIF
Q402
2SC3875S(ALY)
TU_SW_SIF
E
B
C
5V_M
R417
10K
TU_SW_VIF
R403
10K
TU_SW_SIF
C406
10uF
10V
C407
10uF
10V
L403
K7257M
ONLY_TA
2 SWITCHING_INPUT
1 INPUT
5 OUTPUT2
4 OUTPUT1
3
CHIP_CARRIER
D403
35V
KDS114E(KEC)
TU_SW_VIF
D402
35V
KDS114E(KEC)
TU_SW_SIF
L404
2.2uH
READY
L401
820nH
5V_TUNER
R432
4.7K
R433
4.7K
5V_M 5V_M
5V_M
5V_M
L402
K9653D
ONLY_TA
2 SWITCHING_INPUT
1INPUT
5 OUTPUT_2
4 OUTPUT_1
3 INPUT-GND/CHIP_CARRIER_GND
L402-*1
M9370M
ONLY_MA
2INPUT-GND
1INPUT
5 OUTPUT_2
4 OUTPUT_1
3
CHIP_CARRIER-GND
C402
47uF
25V
R424
10K
R436
10K
R413
0
L403-*1
M3953M
ONLY_MA
2INPUT-GND
1INPUT
5 OUTPUT_2
4 OUTPUT_1
3
CHIP_CARRIER-GND
TU401
TDTC-G427D
ONLY_TA
5
SDA
11
AIF
2
B1_5V
10
NC
4
SCL
1
NC
9
NC
8
AS
3
NC
7
NC
6
B2_5V
12
AIF
13
GND
TU401-*1
TDVH-H426F
ONLY_MA
5
SDA
11
NC_3
2
B1[+5V]
10
NC_2
4
SCL
1
ANT_PWR
9
NC_1
8
AS
3
NC[RF_AGC]
7
NC[VTU]
6
B2[+5V]
12
AIF
13
SHIELD
Q401
BFS17W
E
B
C
R404
0
R410
1.2K
R402
330
R435
330
R407
1K
R412
22
R427
22
READY
R426
0
READY
R406
6.8K
C755
22pF
50V
READY
Near the pin
NTSC
PAL/MULTI
L403 L402
X
O
K7257 K9653
TUNER
EAX61462901 2009/08/20
4 7
TUNER
O
X O
X X
O
M3953
R429 R430R428 R431
Layout placement
Close to Tuner
Close to Mstar IC
Layout placement
PAL-BG,DK,I NTSC-M
High LowTU_CTL_VIF
TU_CTL_SIF LowHigh
M9370
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only