DOWNLOAD LG 42PG3HD-UA (CHASSIS:PU84A) Service Manual ↓ Size: 12.03 MB | Pages: 46 in PDF or view online for FREE

- 41 -

              

                     

                      IC100

                                 

 LGE1854C

+3.3V_VDDP

+3.3V_AVDD_MPLL

+3.3V_AVDD_OTG

+3.3V_AVDD_ADC

+3.3V_AVDD_DVI

+3.3V_AVDD_SIF

+3.3V_AVDD_AU

+3.3V_AVDD_MEMPLL

+3.3V_AVDD_LPLL

TU400

LGIT TUNER

IC105

Flash Memory

S25Fl064A

IC200, 201

DDRAM

HY5DU561622FTP*2ea

IR

IC102

NVRAM

AT24C512W

Regulator

IC

16V_AUDIO

IC703

MP2305DS

+5V_TUNER

12V

Q706

SI3865BDV

+5V_GENERAL

+5V_ST

IC708

AZ1117H-

3.3V

+3.3V_MULTI

IC706

AZ1085S

+2.6V_MVDD

+2.6V_VDD_DDR

IC705

AZ1085S

+3.3V_VDDP_ST

IC709

AZ1085S-Adj

+1.25V

IC702

SC156515M

+3.3V_PVSB

IC701

SC4215IS

+1.2V_PVSB

IC715

M62320FP

IC805

AZ1117-3.3V

IC803

TMDS351PA

G

+3.3V_MST

IC801,2,4

AT24C02*3ea

IC601

STMAV340

IC602

74HC4066

IC603

MAX3232

IC604

AT24C02

IC502

NTP3000A

IC501

AZ1117H-

1.8V

+1.8V_NTP

+1.25V_AVDD_DVI

+1.25V_VDDC

IC104

Reset triger

74LVC14APW

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

+2.6V_VDD_DDR

+1.25V_VDDC

+1.25V_AVDD_DVI

$0.3

$0.1

$0.3

$0.07

$0.26

$0.08

$0.13

$0.13

$1.36

$4.5

$0.05

$0.13

$0.35

$0.05

$0.07

$1.31

$0.13

$0.06

$0.82

$7.9

$

IC400

LGDT3304

+3.3V_DVDD

+3.3V_AVDD

+1.2V_DVDD

$2.55

$0.2

$0.05

$0.74

USB

- 42 -

300

120

570

560

305

306

301

304

303

302

260

270

501

590

603

400

900

602

520

250

240

202

205

203

204

206

200

580

201

601

A2

LV1

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.