DOWNLOAD LG 37LG50 (CHASSIS:LA84D) Service Manual ↓ Size: 3.97 MB | Pages: 35 in PDF or view online for FREE

- 21 -

IC502

Comp1

(DVD/DTV)

Comp2

(DVD/DTV)

Comp1

AV1

AV2

S-AV1

AV_1

AV_2

MSTAR

RGB

(PC/DTV)

RGB

HDMI 1

HDMI 2

Comp2

SIF

(From Tuner)

   NTP3000

(Digital Amp)

IIS

MNT_R/L

    HDMI 1(TMDS)

TMDS

Switch

TMDS

Switch

IC802

    HDMI 2(TMDS)

    HDMI 3(TMDS)

    TMDS

HDMI 3

Audio

Switch

IC901

Comp

IF_P/N

IC400

LGDT

3304

LGDT

3304

(From Tuner)

IC501

IC100

TP

(MPEG Transport stream)

- 22 -

1

2

17

5

6

19

20

9

4

8

12

16V

12V

5VST

AC_DET

VAVS_ON

M5V_ON

GND

5V_MNT

RL_ON

18

21

3

7

14

16

13

15

+3.3V_DVDD

+3.3V_AVDD

+1.2V_DVDD

- 23 -

Mstar

RGB Sensor

Audio AMP
NTP3000A

Demodulator

LGDT3304

I/O exp.

M62320

TUNER

VA1Y2UF2341

- 24 -

300

510

500

121

120

122

200

801

900

901

802

803

805

806

804

830

550

530

810

520

540

820

400

840

200T

200N

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by       in the Schematic Diagram and EXPLODED VIEW. 
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. 
Do not modify the original design without permission of manufacturer.