LG LH-T550 Manual de usuario

DVD/CD & KARAOKE RECEIVER

SERVICE MANUAL

MODELS : LH-T550,1,2,3SB [ Speaker : LHS-55SBC, LHS-55SBS, LHS-55SBW ]

MODELS : LH-T550X,TK550X [ Speaker : LHS-55SBC, LHS-55SBS, LHS-55SBW ]

MODELS : LH-T751,3SB [ Speaker : LHS-75SBC, LHS-75SBS, LHS-75SBW ]

LH-T550,1,2,3SB/LH-T550X,TK550XLH-T751,3SB

MODELS : LH-T550,1,2,3SB/LH-T550X,TK550X/LH-T751,3SBSERVICE MANUAL

P/NO : 3829R P017H

APRIL, 2005

Printed in Korea

2-4 2-5

WIRING DIAGRAM

WIRELESS OPTICAL

IN SCART

JACK OPTION

SW AV1,2

COMPONENT

MONITOR OUT

S-VIDEO OUT

TUNER

SPEAKER TERMINAL

MAIN PCB AMP PCB

SMPS PCB

FRONT

PCB

FRONT

PCB

MIC&USB PCB VFD

H/P JACK

USB JACK

MIC

JACK

MIC

JACK CN001 PN005

CN350

PN801

6PIN

5PIN

23PIN 11PIN 24PIN 23PIN

14PIN 14PIN

30PIN

PN103 PN104

PN001

PN002

PN902 PN303

PDM01 PDM03

PN105 PN302

2-6 2-7

BLOCK DIAGRAM

Audio s/w

Bu 4052

ADC

CS 5340

Fs = 48kHz

DIT

CS 8406

(slave)

PS 9818

(PWM)

Video S/W

NJM 2279

out

(CVBS-S/W)

Slide

S/W Video

S/W

NJM2279

(Y-S/W)

USB Controller

ALC

BA 3308 CS 5340

ADC

DVD BLOCK

(ES 6698)

Mic Volume : OSD CTL

MIC1

MIC2

Optical

Tuner

AV1

AV2

(option)

Monitor Out

S-AV

Component

Scart

(option)

USB Port

MIC

Wireless

SW1, SW2,MUTE1

(A)

Pb(R) ,Pr(R)

CTL-A/B(B)

VIDEO-SW

(A)

Tuner-L/R

AV1-L/R

AV2-L/R

SCART-L/R

AV1-CVBS

AV2-CVBS

Monitor out

SCART-CVBS out

SCART-ID

SCART-FB

/RST-AD

AD-DATA

AD-BCK

AD-LRCK

(A)

SPDI

F12.288MHz

LRCK

BCK

ADAT 0,1,2,3

(FL/R,RL/R,C/SW

)

MUTE

TR Mute

/RST-AD(A)

Mixing

ALRCK,ABCK

MCLK,AMDAT

SPDIF

8406_SDI,8406_SD

8406_CLK,8406_CE

8406_RST,8406_IN

H/P

Y(G)

YYY

DVD-CVBS

CVB

(A)(T_CE,T_DO,T_DI,T_CLK,T_RDS_DATA,T_RDS,CLK)

(A)

AUDIO MICOM

LC876B48

(PIN MAP )

TOPTION

FRONT

STA510A

AMP IC

MIC1_DET(A)

MIC2_DET(A)

(A) HP_DET

AM PDN

TH_W

FAN1

FAN2

(A) FAN1_CTL

FAN2_CTL

OPTION