60PH6700-TD (CHASSIS:PA32A) - LG TV Service Manual (repair manual). Page 26

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.

A_GND

R6904

0

LNB_OUT

A_GND

R6902

33

LNB

I2C_SDA4

C6904
0.1uF
50V

LNB

D6902

30V

LNB

C6905
10uF
25V

LNB

LNB_TX

D6904

40V

LNB_SMAB34

R6903
39K

1/16W
1%

LNB

C6910
0.1uF
50V

LNB

C6912

0.1uF

LNB

C6906
10uF
25V

LNB

C6909
10uF
25V

LNB

D6901

30V

MBR230LSFT1G

LNB

A_GND

C6901
33pF

LNB

R6900
2.2K
1W

LNB

R6901

33

LNB

A_GND

I2C_SCL4

C6900
18pF

LNB

D6903-*1

40V

LNB_SX34

L6900

15uH

SP-7850_15

LNB

C6907
10uF
25V

LNB

D6900

LNB

A_GND

C6911

0.22uF

LNB

D6903

40V

LNB_SMAB34

C6903

0.01uF

50V

LNB

D6904-*1

40V

LNB_SX34

C6908

0.1uF

LNB

C6902

0.22uF

25V

LNB

A_GND

+12V_LNB

R6907

4.7K

LNB

+3.3V_MULTI

R6908

33

LNB

IC6900

A8303SESTR-T 

S

1

VCP

3

NC_1

7

SCL

9

ADD

10

TONECTRL

11

TCAP

12

ISET

13

VREG

14

GND

15

VIN

16

LX

17

GNDLX

18

NC_2

19

NC_3

20

BOOST

5

TDO

8

SDA

6

IRQ

4

TDI

2

LNB

21

[EP]GND

69

LNB

2012.03.08

PCB_GND and A_GND are connected

Input trace widths should be sized to conduct at least 3A

(Option:LNB)

DVB-S2 LNB Part Allegro

Ouput trace widths should be sized to conduct at least 2A

DCDC_GND and A_GND are connected in pin#27

DCDC_GND and A_GND are connected

3.5A

Surge protectioin

2A

Close to Tuner

close to VIN pin(#15)

close to Boost pin(#1)

Max 1.3A