LG LHS 55SBS User Manual

DVD/CD RECEIVER

SERVICE MANUAL

MODEL : LH-T552SB

LHS-55SBC, LHS-55SBS,

LHS-55SBW

[CONTENTS]

SECTION 1. GENERAL

• SERVICING PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

• ESD PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

• SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5

SECTION 2. AUDIO PART

• AUDIO TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

• WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

• BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

• SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8

• PRINTED CIRCUIT DIARGAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22

SECTION 3. DVD & AMP PART

• ELECTRICAL TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1

• DVD PART SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-22

SECTION 4. EXPLODED VIEWS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1

SECTION 5. SPEAKER PART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1

SECTION 6. REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

1-1

SECTION 1. GENERAL

SERVICING PRECAUTIONS

NOTES REGARDING HANDLING OF THE PICK-UP

1. Notes for transport and storage

1) The pick-up should always be left in its conductive bag until immediately prior to use.

2) The pick-up should never be subjected to external pressure or impact.

Storage in conductive bag

Drop impact

2. Repair notes

1) The pick-up incorporates a strong magnet, and so should never be brought close to magnetic materials.

2) The pick-up should always be handled correctly and carefully, taking care to avoid external pressure and

impact. If it is subjected to strong pressure or impact, the result may be an operational malfunction and/or

damage to the printed-circuit board.

3) Each and every pick-up is already individually adjusted to a high degree of precision, and for that reason

the adjustment point and installation screws should absolutely never be touched.

4) Laser beams may damage the eyes!

Absolutely never permit laser beams to enter the eyes!

Also NEVER switch ON the power to the laser output part (lens, etc.) of the pick-up if it is damaged.

NEVER look directly at the laser beam, and don’t let

contact fingers or other exposed skin.

5) Cleaning the lens surface

If there is dust on the lens surface, the dust should be cleaned away by using an air bush (such as used

for camera lens). The lens is held by a delicate spring. When cleaning the lens surface, therefore, a cot-

ton swab should be used, taking care not to distort this.

Pressure

Magnet

Pressure

How to hold the pick-up

Cotton swab

Conductive Sheet

6) Never attempt to disassemble the pick-up.

Spring by excess pressure. If the lens is extremely dirty, apply isopropyl alcohol to the cotton swab.

(Do not use any other liquid cleaners, because they will damage the lens.) Take care not to use too much

of this alcohol on the swab, and do not allow the alcohol to get inside the pick-up.

1-2

NOTES REGARDING COMPACT DISC PLAYER REPAIRS

1. Preparations

1) Compact disc players incorporate a great many ICs as well as the pick-up (laser diode). These components

are sensitive to, and easily affected by, static electricity. If such static electricity is high voltage, components

can be damaged, and for that reason components should be handled with care.

2) The pick-up is composed of many optical components and other high-precision components. Care must be

taken, therefore, to avoid repair or storage where the temperature of humidity is high, where strong magnet-

ism is present, or where there is excessive dust.

2. Notes for repair

1) Before replacing a component part, first disconnect the power supply lead wire from the unit

2) All equipment, measuring instruments and tools must be grounded.

3) The workbench should be covered with a conductive sheet and grounded.

When removing the laser pick-up from its conductive bag, do not place the pick-up on the bag. (This is

because there is the possibility of damage by static electricity.)

4) To prevent AC leakage, the metal part of the soldering iron should be grounded.

5) Workers should be grounded by an armband (1M Ω)

6) Care should be taken not to permit the laser pick-up to come in contact with clothing, in order to prevent

static electricity changes in the clothing to escape from the armband.

7) The laser beam from the pick-up should NEVER be directly facing the eyes or bare skin.

Armband

Resistor

(1 Mohm)

Resistor

Conductive

(1 Mohm)

Sheet

1-3

ESD PRECAUTIONS

Electrostatically Sensitive Devices (ESD)

Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components

commonly are called Electrostatically Sensitive Devices (ESD). Examples of typical ESD devices are integrated

circuits and some field-effect transistors and semiconductor chip components. The following techniques should

be used to help reduce the incidence of component damage caused by static electricity.

1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off

any electrostatic charge on your body by touching a known earth ground. Alternatively, obtain and wear a

commercially available discharging wrist strap device, which should be removed for potential shock reasons

prior to applying power to the unit under test.

2. After removing an electrical assembly equipped with ESD devices, place the assembly on a conductive surface

such as aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly.

3. Use only a grounded-tip soldering iron to solder or unsolder ESD devices.

4. Use only an anti-static solder removal device. Some solder removal devices not classified as "anti-static" can

generate electrical charges sufficient to damage ESD devices.

5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ESD

devices.

6. Do not remove a replacement ESD device from its protective package until immediately before you are

ready to install it. (Most replacement ESD devices are packaged with leads electrically shorted together by

conductive foam, aluminum foil or comparable conductive materials).

7. Immediately before removing the protective material from the leads of a replacement ESD device, touch the

protective material to the chassis or circuit assembly into which the device will by installed.

CAUTION : BE SURE NO POWER IS APPLIED TO THE CHASSIS OR CIRCUIT, AND OBSERVE ALL OTHER

SAFETY PRECAUTIONS.

8. Minimize bodily motions when handing unpackaged replacement ESD devices. (Otherwise harmless motion

such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can gener-

ate static electricity sufficient to damage an ESD device).

CAUTION. GRAPHIC SYMBOLS

THE LIGHTNING FLASH WITH APROWHEAD SYMBOL. WITHIN AN EQUILATERAL TRIANGLE, IS

INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF UNINSULATED

“DANGEROUS VOLTAGE” THAT MAY BE OF SUFFICIENT MAGNITUDE TO CONSTITUTE A RISK OF

ELECTRIC SHOCK.

THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE

SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE

LITERATURE.

1-4

SPECIFICATIONS

GENERAL

Power supply

Refer to main label

3.9 kg

Power consumption

Weight

External dimensions (W x H x D)

430 x 54 x 350 mm

Operating conditions Temperature: 5°C to 35°C, Operation status: Horizontal

Operating humidity

5% to 85%

CD/DVD

Laser

Semiconductor laser, wavelength 650 nm

PAL 625/50, NTSC 525/60

Signal system

Frequency response (audio)

Signal-to-noise ratio (audio)

Dynamic range (audio)

Harmonic distortion (audio)

200 Hz to 20 kHz

More than 75 dB (1 kHz, NOP, 20 kHz LPF/A-Filter)

More than 70 dB

0.5 % (1 kHz, at 12W position) (20 kHz LPF/A-Filter)

VIDEO

Video input

Video output

S-video output

1.0 V (p-p), 75 Ω, negative sync., RCA jack x 1

(Y) 1.0 V (p-p), 75 Ω, negative sync., Mini DIN 4-pin x 1

Component Video output

(Y) 1.0 V (p-p), 75 Ω, negative sync., RCA jack x 1

(Pb)/(Pr) 0.7 V (p-p), 75 Ω, RCA jack x 1

TUNER

Tuning Range

87.5 - 108.0 MHz or 65.0 - 74.0 MHz, 87.5 - 108.0 MHz

Intermediate Frequency

Signal-to Noise Ratio

Frequency Response

AM [MW]

Tuning Range

Intermediate Frequency

10.7 MHz

60 dB (Mono)

140 - 10,000 Hz

522 - 1,620 kHz or 520 - 1,720 kHz

450 kHz

AMPLIFIER

Stereo mode

70W + 70W (8Ω at 1 kHz, THD 10 %)

Front: 70W + 70W (THD 10 %)

Center*: 70W

Surround*: 70W + 70W (8Ω at 1 kHz, THD 10 %)

Subwoofer*: 150W (4Ω at 30 Hz, THD 10 %)

AV IN

S-VIDEO, MONITOR, PHONES: (32 Ω, 10.V)

Surround mode

(* Depending on the sound mode

settings and the source, there

may be no sound output.)

Input

Outputs

SPEAKERS

Front Speaker

Center Speaker

1 Way 1 Speaker

8 Ω

Subwoofer

1 Way 1 Speaker

4 Ω

Type

1 Way 1 Speaker

Impedance

8 Ω

Frequency Response

Sound Pressure Level

Rated Input Power

Max. Input Power

Net Dimensions

Net Weight

110 - 20,000 Hz

82 dB/W (1m)

70W

110 - 20,000 Hz

82 dB/W (1m)

70W

40 - 1,500 Hz

82 dB/W (1m)

150W

140W

300W

140x222x153 mm

0.95 kg

300x116x91 mm

1.0 kg

195x402x360 mm

5.6 kg

1-5

SECTION 2. AUDIO PART

AUDIO TROUBLESHOOTING GUIDE

1. POWER SUPPLY CIRCUIT

2-1

2. FRONT CIRCUIT (1/2)

CN902

: -32.4 VKK

: -27.5 FL-

: -23.7 FL+

: +5.0

PIN3

PIN4

PIN9

2-2

3. FRONT CIRCUIT (2/2)

2-3

WIRING DIAGRAM

WIRELESS

SPEAKER TERMINAL

OPTICAL

SCART

JACK

OPTION

AV1,2

TUNER

COMPONENT

MONITOR OUT

S-VIDEO OUT

PN302

PN105

MAIN PCB

30PIN

AMP PCB

PDM01

PDM03

PN103

24PIN

PN104

PN801

23PIN

11PIN

23PIN

CN350

PN902

14PIN

PN303

14PIN

6PIN

5PIN

SMPS PCB

FRONT

PCB

MIC

JACK

PN001

PN002

VFD

MIC

JACK

MIC&USB PCB

PN005

CN001

USB JACK

H/P JACK

NOTES)

Warning

Parts that are shaded are critical

With respect to risk of fire or

electricial shock.

2-4

2-5

BLOCK DIAGRAM

SPDIF

12.288MHz

Optical

Tuner

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

Tuner-L/R

ADC

CS 5340

Fs = 48kHz

AD-DATA

AD-BCK

AD-LRCK

LRCK

DIT

CS 8406

(slave)

PS 9818

(PWM)

AV1-L/R

AV2-L/R

BCK

ADAT 0,1,2,3

(FL/R,RL/R,

C/SW)

Audio s/w

Bu 4052

AV1

/RST-AD

(A)

H/P

8406_SDI,8406_SDO

CTL-A/B

8406_CLK,8406_CE

8406_RST,8406_INT

(A)

(B)

AV2

(option)

AV1-CVBS

AV2-CVBS

Monitor out

(A) HP_DET

Video S/W

NJM 2279

out

AUDIO MICOM

SW1, SW2,MUTE1

(A)

Monitor Out

S-AV

LC876B48

(PIN MAP)

SCART-CVBS out

(CVBS-S/W)

STA510A

DVD-CVBS

AMP IC

SPDIF

Component

PDN

TH_W

Video

S/W

Slide

S/W

Scart

(option)

DVD BLOCK

CVBS

Y(G)

NJM2279

(Y-S/W)

P_b(R) ,P_r(R)

(ES 6698)

FAN1

MUTE

TR Mute

VIDEO-SW

(A)

OPTION

FAN2

SCART-ID

SCART-FB

USB Controller

(A)

Mic Volume : OSD CTL

FAN1_CTL

FAN2_CTL

USB Port

MIC

OPTION

ALRCK,ABCK

MCLK,AMDAT

FRONT

ALC

BA 3308

CS 5340

ADC

MIC1

MIC2

Mixing

MIC1_DET(A)

MIC2_DET(A)

/RST-AD

(A)

Wireless

2-6

2-7

SCHEMATIC DIAGRAMS

1. POWER SCHEMATIC DIAGRAM_1

NOTE)

Warning

NOTES) Symbol denotes AC ground.

Parts that are shaded are critical

With respect to risk of fire or

electricial shock.

NOTES) Symbol denotes DC chassis ground.

2-8

2-9

2. POWER SCHEMATIC DIAGRAM_2

2-10

2-11

3. MICOM SCHEMATIC DIAGRAM

2-12

2-13

4. FRONT SCHEMATIC DIAGRAM

2-14

2-15

5. DSP&AMP SCHEMATIC DIAGRAM

2-16

2-17

6. I/O SCHEMATIC DIAGRAM

2-18

2-19

7. MAIN MIC SCHEMATIC DIAGRAM

2-20

2-21

PRINTED CIRCUIT BOARD DIAGRAMS

1. MAIN/DVD P.C. BOARD DIAGRAM ( TOP VIEW )

2-22

2-23

2. MAIN/DVD P.C. BOARD DIAGRAM ( BOTTOM VIEW )

2-24

2-25

3. FRONT MIC P.C. BOARD

6870R7507AB

2-26

2-27

4. SMPS P.C. BOARD

( 5 TOOL )

5. JACK P.C. BOARD

( TOP VIEW )

LOCATION GUIDE

NOTES)

Warning

NOTES)

Parts that are shaded are critical

With respect to risk of fire or

electricial shock.

( 7 TOOL )

( BOTTOM VIEW )

LOCATION GUIDE

NOTES)

Warning

Parts that are shaded are critical

With respect to risk of fire or

electricial shock.

2-28

2-29

6. AMP P.C. BOARD

( TOP VIEW )

( BOTTOM VIEW )

2-30

2-31

SECTION 3. DVD & AMP PART

ELECTRICAL TROUBLESHOOTING GUIDE

1. System operation flow

Power On

1. 8082 initializes SERVO, DSP & RISC registers

2. Write RISC code to SDRAM

3. Reset RISC

Show LOGO

Yes

Tray Closed?

Tray Close to Closed position

Yes

SLED at Inner

Side?

SLED Moves to Inner Position

1. Judge whether have disc and disc type

2. Jump to related disc reading procedure

Recieve

OPEN/ CLOSE

Key?

1. Execute Pressed Key & IR Key

2. Systemoperati on Routi ne Loop

1. Stop Playback & Open Tray

2. Display tray open message & LOGO

Yes

Receive

CLOSE Key?

3-1

2. Test & debug flow

TEST

Check the

AC Vol tage

Power PCBA (110V

or 220V)

Check the POWER PART

Yes

Switch on the Power PCBA

Is the DC

Voltage outputs OK?

(-44V, -22V, -26.5V, ±12V,

5.6V, 3.3V, 5V,

Check the POWER PART

7V, 8V)

Yes

Are 3.3V and 5V DC

outputs normal on main

PCBA?

Check the regulators or diode.

Yes

1. Check 27MHz system clock.

2. Check systemreset circuit.

3. Check FLASH R/Wenable signal PRD,

RWR.

Update

FLASH

successfully?

4. Check FLASH Memory related circuit.

Yes

Replace FLASH

3-2

, 115.

3-3

3-4

ES6698.

3-5

3-6

PWM IC

received correct data

stream?

Check connection between

IC300 ABCK, ALRCK,

ASDAT

Normal

PWM IC out?(IC301)

Check the related circuit of

PWM.(Check Audio out

Pins52, 54, 55, 59,62, 68

Check Digital Amp circuit

(IC701, IC702, IC703, IC704)

3-7

3. AUDIO µ-COM Circuit(DVD & AMP)

POWER ON

YES

Does CD/DVD appear

at FLD?

Does AV1, TV Audio, AV1 opt.

and FM 87.5 appear at FLD

YES

Does Loading appear

at FLD?

Does it appear DVD Error

at FLD?

YES

Does no Disc or Time

appear at FLD?

Check power part of Main

B/D.

Refer to SMPS.

YES

Check if DVD an Audio

Micom Insert is OK.

Check oscillator of X101.

Refer to oscillator Circuit.

YES

Check if IC101 Pin80

is high.

Check IC101 Reset

Waveform.

Check Power.

YES

Check DVD Module.

Check SMPS.

Check if IC101 Pin32, 51,

80 are high(5V).

Check 3.3V line.

YES

Check if IC101 Pin96

is high.

Check Power section

Circuit.

YES

Replace IC101.

3-8

DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING

1. SYSTEM 27MHz CLOCK,RESET,FLASH R/W SIGNAL

1) ES6698FD main clock is at 27MHz(X501)

3.8V, 27MHz

FIG 1-1

2) ES6698FD reset is high active.

Power Cord in

5.2VA

PWR_CTL(SYSTEM µ-COM)

IC501 PIN83)

M_RESET(IC501 PIN 207)

URST(IC501 PIN 188)

FIG 1-2

3-9

4) Flash R/W enable signal during download(Downloading)

FRD(IC500 PIN 28)

FWR(IC500 PIN 11)

FIG 1-4

2. SDRAM CLOCK

1) ES6698FD main clock is at 27MHz(X501)

DCLK = 93MHz, Vp-p=2.2, Vmax=2.7V

(IC503 PIN 38)

FIG 2-1

3-10

3. TRAY OPEN/CLOSE SIGNAL

1) Tray open/close waveform

OPEN((PDM03 PIN7)

CLOSE(PDM03 PIN8)

TROPEN(IC402 PIN 4)

TRCLOSE(IC402 PIN 5)

FIG 3-1

2) Tray close waveform

OPEN((PDM03 PIN7)

CLOSE(PDM03 PIN8)

TROPEN(IC402 PIN 4)

TRCLOSE(IC402 PIN 5)

FIG 3-2

3-11

3) Tray open waveform

OPEN(PDM03 PIN7)

CLOSE(PDM03 PIN8)

TROPEN(IC402 PIN 4)

TRCLOSE(IC402 PIN 5)

FIG 3-3

4. SLED CONTROL RELATED SIGNAL (NO DISC CONDITION)

FMSO(2.0V/1.4V/1.0V)

(IC501 PIN 19)

STBY(5V) – (IC401 PIN 50)

SL+(4.7V/3.6V/1.9V)

(IC404 PIN 12)

SL-(5.3V/3.7V/2.5V)

(IC404 PIN 11)

FIG 4-1

3-12

5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION)

FOSO(1.5V/1.4V/1.3V)

(IC501 PIN 12)

F+(4.0V/3.6V/3.2V)

(IC404 PIN 14)

F-(4.0V/3.6V/3.2V)

(IC404 PIN 13)

FIG 5-1

6. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION)

MDI1(0V/180mV)

(IC401 PIN 26)

LD01(5.0V//3.5V)

IC401 PIN 20)

LD02(5.0V/3.6V)

(IC401 PIN 21)

FIG 6-1

3-13

7. DISC TYPE JUDGEMENT WAVEFORMS

F+(IC404 PIN 14)

FE(IC401 PIN 40)

RFL(IC401 PIN 19)

FIG 7-1 (DVD)

F+(IC404 PIN 14)

FE(IC401 PIN 40)

RFL(IC401 PIN 19)

FIG 7-2 (DVD)

3-14

F+(IC404 PIN 14)

FE(IC401 PIN 40)

RFL(IC401 PIN 19)

FIG 7-3 (CD)

F+(IC404 PIN 14)

FE(IC401 PIN 40)

RFL(IC401 PIN 19)

FIG 7-4 (CD)

3-15

8. FOCUS ON WAVEFORMS

FE(IC401 PIN 40)

FOSO(IC501 PIN12)

F+(IC404 PIN 14)

F-(IC404 PIN 13)

FIG 8-1 (DVD)

FE(IC401 PIN 40)

FOSO(IC501 PIN12)

F+(IC404 PIN 14)

F-(IC404 PIN 13)

FIG 8-2 (CD)

3-16

9. SPINDLE CONTROL WAVEFORMS (NO DISC CONDITION)

DMSO(1.4V/1.8V)

(IC501 PIN 18)

SP-(3.6V/2.4V)

(IC404 PIN 18)

SP+(3.6V/4.8V)

(IC404 PIN 17)

FIG 9-1

10. TRACKING CONTROL RELATED SIGNAL(System checking)

TE(IC401 PIN 39)

TRSO(IC501 PIN 13)

T-(IC404 PIN 16)

T+(IC404 PIN 15)

FIG 10-1(DVD)

3-17

TE(IC401 PIN 39)

TRSO(IC501 PIN 13)

T-(IC404 PIN 16)

T+(IC404 PIN 15)

FIG 10-2(CD)

11. RF WAVEFORM

RFOP(2.3V/1.1V)

(IC401 PIN 55)

RFON(0.8V/2.0V)

(IC401 PIN 57)

FIG 11-1

3-18

12. ES6698FD VIDEO OUTPUT WAVEFORMS

1) Full colorbar signal(COMPOSIT)

(IC501 PIN 110)

FIG 12-1

2) Y

(IC501 PIN 113)

FIG 12-2

3-19

13. AUDIO OUTPUT FROM PWM IC

1) Audio L/R

(IC301 PIN 68, 49)

FIG 13-1

2) Audio related Signal

ASDATA3

ASDAT0(IC501 PIN 117)

ABCK(IC501 PIN 123)

ALRCK(IC501 PIN 116)

FIG 13-2

3-20

14. DVD & AMP WAVEFORMS

• R310 → TP301

R311 TP302

• R320 → TP311

R321 TP312

• R312 → TP303

R313 TP304

• R318 → TP307

R319 TP308

• R314 → TP305

• R318 → TP309

R315 TP304

R319 TP310

3-21

DVD PART SCHEMATIC DIAGRAMS

1. DVD MPEG & DSP SCHEMATIC DIAGRAM

3-22

3-23

2. RF & SERVO SCHEMATIC DIAGRAM

3-24

3-25

3. FRONT MIC SCHEMATIC DIAGRAM

3-26

3-27

4. USB CONTROLLER SCHEMATIC DIAGRAM

3-28

3-29

5. AMP SCHEMATIC DIAGRAM ( 5TOOL )

3-30

3-31

6. AMP SCHEMATIC DIAGRAM ( 7TOOL )

3-32

3-33

SECTION 4. EXPLODED VIEWS

• CABINET AND MAIN FRAME SECTION

463

OPTIONAL PART

NOTES) THE EXCLAMATION POINT WITHIN AN

EQUILATERAL TRIANGLE IS INTENDED

TO ALERT THE SERVICE PERSONNEL

TO THE PRESENCE OF IMPORTANT

SAFETY INFORMATION IN SERVICE

LITERATURE.

463

A26

463

283

274

452

250

JACK OPTION

463

452

A53

275

463

A50

A46

463

465

A45

279

A47

261

300

261

4-1

4-2

• DECK MECHANISM EXPLODED VIEW

A26

001

002

A01

439

003

018

014

A02

013

020

017

NSP : Non SVC Parts

REMARKS

LOCA. NO. PART NO.

DESCRIPTION

DECK ASSEMBLY,AUDIO

SPECIFICATION

012

435

A26

A01

A02

A03

001

002

003

010

012

012A

013

014

015

015A

015B

016

017

018

019

020

021

024

025

026

030

035

035A

036

430

431

432

435

439

440

6721RJ0870E

4861R-0016B

3041R-T001A

3041R-T001B

3300R-0547A

5016H-1016B

4860R-0021A

6850R-JW14B

5040R-0083A

5040R-0110A

4400R-0006B

4470R-0154A

4681R-A015A

4680R-E008A

4560R-0008A

6871R-9294A

4470R-0176A

4974R-0067A

3210R-M008A

3040R-M066A

4681R-B009B

4470R-0179A

4470R-0178A

3390R-0033A

4470R-0180A

6871R-9295B

6850R-GK22Y

4370R-0136A

1SZZR-0064B

1SZZR-0062A

1SZZR-0072A

1SZZR-0011A

1SZZR-0075A

1SZZH-1007B

HOME THEATER LH-TK750/550/250

CLAMP ASSEMBLY

BASE ASSEMBLY

PLATE

DISC DP7 - SH

015B

015

MAIN DP-9T-ESS

SLED DP-9T-DI -ESS-SAMSUNG

CLAMP

015A

019

NSP

016

030

MAGNET

CLAMP(LDM-R608,10*5,1*1.5T)

UPPER DP7

440

012

CLAMP

432

CABLE,FLAT

RUBBER

P=1.0 FFC UL2896(0.035X0.7) 23

DVD DP-6, DP-8 FRONT RIGHT 20

DVD REAR DP8 RIGHT 20 OTHER BL

DECK/MECHA DP2-5, DP7C,DP7A OT

DECK/MECHA DP8 PULLEY MOLD

DECK/MECHA LOADING DP-9 SH

FEEDING RF-300EA-1D390 MABUCHI

MOTOR

012A

RUBBER

026

BELT

GEAR

MOTOR ASSEMBLY

MOTOR(MECH)

PULLEY

010

NSP

024

025

431

PWB(PCB) ASSEMBLY,TOTAL

GEAR

DP-9C LOADING

036

435

DVD DP-9 LOADING MOLD

DVD DP-9C UP/DOWN MOLD

DP-9C UP/DOWN MOLD

GUIDE

FRAME

012A

BASE

MAIN DP-9T MOLD

NSP

MOTOR ASSEMBLY

GEAR

DECK/MECHA DP9 FEEDING

DVD DP-9 PINION MOLD

DVD DP-9 MIDDLE MOLD

DVD DP-9T(9T-SLIM) DISK MOLD

DVD DP-9 RACK MOLD

A03

GEAR

021

TRAY

GEAR

430

PWB(PCB) ASSEMBLY,TOTAL

CABLE,FLAT

SHAFT

DP-9T FEEDING

035A

P=1.0 FFC UL2896(0.05X0.65) 11

DVD PU, DR-02 SUS-420J2 OTHER

+ 1 D1.7 L7.0 SWCH18A/BZN DP8

+ 1 D1.7 L4.5 SWCH18A/NI DP8 P

+ 1 D1.7 L4.5 SWRCH18A/FZY DP8

MACHINE

SCREW,DRAWING

035

439

+ 1 D1.7 L10.0 SWRCH18A/FZW DP

+ D2.0 6MM SWRCH16A/ZNBK 4MM 1

4-3

4-4

• Packing Accessory Section

OPTIONAL PART

811 PLUG ASS'Y 1WAY(YELLOW)

827

826

MICRO PHONE

FILTER(CIRC)

824 ANTENNA LOOP(AM)

825 ANTENNA (FM)

808

900

BATTERY

801 INSTRUCTION ASSEMBLY

REMOCON

828

AC ADAPTOR

BAG

804

803

PACKING, CASING

803

802

BOX

4-5

SECTION 5. SPEAKER SECTION

• CENTER SPEAKER

MODEL : LHS-55SBC

755

A70

753

754

751

752

750

5-1

• FRONT/REAR SPEAKER

MODEL : LHS-55SBS

A80

854

855

851

853

852

851

850

OPTIONAL PART

:LHS-75SBS ONLY

856

857

5-2

• SUB WOOFER SPEAKER

MODEL : LHS-55SBW

A90

953

954

952

956

951

950

955

5-3

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