LG Electronics Explore Key Features and Technical Details of 74LVC14 and 20LS7D

Page 19

CVBS

SVHS

RGB_LR

AUO_LR

9V

CXA2069Q ( IC5003)

M_YC

 

 

RS-232

 

3. 3VST_MICOM

 

 

 

 

 

 

 

 

FMS6400S

MAIN Y

 

ST5V

EEPROM KIA7029

 

 

 

 

 

 

 

 

( IC4006)

MAIN_C

IC3232

 

ST5V

 

 

 

 

 

3. 3VST_MICOM

 

 

 

 

 

P4007

 

 

BCM_Rx Tx

 

 

 

9V

 

UCOM_Rx Tx

KEY1

 

 

5V

 

 

 

 

 

 

 

 

 

 

 

KEY2

 

MC33078DR

 

C55331A

I2C_3

MTV416GMF

IR

 

 

(IC4015)

 

( IC7002)

 

( IC7001)

 

LRD_G

 

 

 

P4004

3. 3V

 

SC1566

2. 6V

LIVE_ON

 

 

6. 0V

 

 

5. 0V

 

 

 

 

 

 

 

6. 0V

 

PQ05DZ

PWM_DIM

 

 

 

9

. 0V

 

 

 

PDD/ INV

12.

 

KA7809A

5V_MNT

3. 3V

 

 

1

. 2V

 

 

INV_ON

 

SC4519S

 

 

 

 

ST_5V

5. 0V

 

 

 

. 3V

 

 

 

AL_ON

 

 

3

COM_LR

5V_TU

AT_TU_V

LRD_R

KIA7029

AZ1117H

AC_DET

ST 5. 0V BA033FP3. 3VST

- 19

Tuner

SIF

IF_P/ IF_N

IF_AGC

TV

RF_AGC

 

 

I2C_1

I2S M_CLK

3. 3V

 

 

 

BCM_RESET 74LVC14

2. 6V_BCM

D3. 3V_BCM

A3. 3V_BCM

 

 

DDR_ADD

 

 

D2. 6V_BCM

A2. 6V_BCM

HY5DU561622ETP

DDR_DATA

 

 

DDR (IC2002)2. 6V_BCM

 

A1. 2V_BCM

 

 

 

 

 

12V LPL 23"

SI4925DY 12V

Q6002

D2. 5V_BCM

DDR_1. 25V

 

SC2595S

+6. 0VKIA78R05+5. 0V

BLOCK

-

5V

Y PB PR

3. 3V

DDR_ADD

 

 

HY5DU561622ETP

 

DDR_DATA

 

DDR (IC2003)

 

 

12V

 

AUO 20"

LCD

5V

RGB

MM1731XVBE

( IC5001)

DDC_I2C

COM_Y PB PR

3. 3V_MST

BCM3550KPB5G

( IC1001)

XDR_DATA (0.. 7)x3

EBI_ADD

3. 3V

THC63LVDM

(IC6004)

3. 3V

MP1593DN

IC6001

Mo d ule

LCDS

DIAGRAM

EEPROM

MST3382M ( IC7004)

I2C_2

Y CB CR

EBI_PCI

S29GL128N90TF FLASH (IC2001)

POWER

P4003

Po wer

EEPROM

CM2021

HDMI

I2C_0

5V

Earp ho ne

SP_L SP_R 15V

P7009 SP (L)

YDA-138

 

3. 3V

 

6V

 

12V

Filter

15V

 

24V

USB

TPS2052B

( IC3001)

EEPROM AT24C512

AMP (IC7017)

P7010 SP (R)

Inverter(10Lamps)

Image 19
Contents LCD TV Contents Do not use a line Isolation Transformer during this check General GuidanceServicing Precautions Diode Removal/Replacement IC Remove/ReplacementSmall-Signal Discrete Transistor Removal/Replacement Power Output, Transistor Device Removal/ReplacementGeneral SpecificationTV SpecificationApplication range Test method White Chroma & BrightnessComponent Video Input Y, CB/PB, CR/PR RGB input PC/DTV Mechanical specificationApplication Object Adjustment InstructionSet Method ADC-Set Adjustment23LS7D-UB RGB Preparation for Adjustments & Setting of DeviceRequired Test Equipment 23LS7D-UB HdmiRequired Equipment Adjustment of White BalanceTV/CATV doesnt display TroubleshootingVideo doesnt display Component doesnt display Rgbpc doesnt display Hdmi doesnt display LCD Exploded View Exploded View Parts List Replacement Parts List Description / Specification C1608C0G1H220JT 22pF 5% 50V C0G -55TO+125C DIODEs TRANSISTORs & FETs ICsRESISTORs MNR04M0APJ680 68OHM 5% 1/16W 4P 8P R1185 R4007 0RJ1001C678 R4147 R6031 JACKs CONNECTORsSWITCHes COILs & FILTERs & INDUCTORsLED,DIP BL-BUBGE301 Round 3MM OTHERsPage Page Mar