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http://biz.lgservice.com SERVICE MANUAL MODEL : HT302SD (SH32SD-S/SH32SD-W)

P/NO : AFN32634309

FEBRUARY, 2007

DVD/CD RECEIVER SERVICE MANUAL

MODEL : HT302SD (SH32SD-S/SH32SD-W)

[CONTENTS] SECTION 1. GENERAL • SERVICING PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 • ESD PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 • SERVICE INFORMATION FOR EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 • SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-7

SECTION 2. AUDIO PART • AUDIO TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 • WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 • BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 • CIRCUIT DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 • PRINTED CIRCUIT DIARGAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24

SECTION 3. DVD & AMP PART • ELECTRICAL TROUBLESHOOTING GUIDE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1

• DVD & AMP CIRCUIT DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-23

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 allow 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 cotton 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 magnetism 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 (1 Mohm)

Conductive 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 generate 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

SERVICE INFORMATION FOR EEPROM (DVD PART) POWER ON

DVD LOGO Status (NO Disk status)

DETECT NEW EEPROM (OPTION EDIT SCREEN) NAME

Remote control Pause key-->1-->4-->7-->2 in order.

Press number 0~9, Press charater A~F (1~6 for a while)

Use arrow key ( ) to move to appropriate position and make changes

OPT OPT OPT OPT OPT OPT OPT OPT OPT OPT OPT OPT OPT OPT OPT OPT

1 2 3 4 5 6 7 8 9 A B C D E F G

Press pause key once

Change will be applied when power OFF-->ON.

1-5

HEX 47 48 30 EF 52 05 FC 31 4D 00 00 00 00 00 00 00

SERVICE INFORMATION FOR EEPROM (AMP PART) POWER ON

FLD no disc status

Remote control ‘2’ + Front ‘STOP’ push same timing during 5s

FLD ‘OP-0….

DETECT NEW EEPROM (OPTION EDIT SCREEN) NAME OPT 1 OPT 2 OPT 3 OPT 4 OPT 5

Use arrow key ( ) move to appropriate position and make changes

Press ENTER key once

FLD ‘write ok’ or ‘up ok’

Remote control ‘2’ + Front ‘STOP’ push same timing

FLD display E2P CLR or EP CLR

Auto power off

1-6

HEX 06 42 10 00 00

SPECIFICATIONS GENERAL Power supply Power consumption Net Weight External dimensions (W x H x D) Operating conditions Operating humidity

Refer to main label Refer to main label 2.4 kg 360 x 63 x 307 mm Temperature: 5°C to 35°C, Operation status: Horizontal 5% to 85%

CD/DVD Laser Signal system Frequency response (audio) Signal-to-noise ratio (audio) Dynamic range (audio) Harmonic distortion (audio)

Semiconductor laser, wavelength 650 nm PAL 625/50, NTSC 525/60 160 Hz to 18 kHz More than 75 dB (1 kHz, NOP -6 dB, 20 kHz LPF/A-Filter) More than 70 dB 0.5 % (1 kHz, at 1W position) (20 kHz LPF)

VIDEO Video output COMPONENT VIDEO OUT

TUNER FM Tuning Range Intermediate Frequency Signal-to Noise Ratio Frequency Response AM [MW] Tuning Range Intermediate Frequency

1.0 V (p-p), 75 Ω, negative sync, RCA jack x 1 (Y) 1.0 V (p-p), 75 ohms, negative sync, RCA jack x 1 (Pb)/(Pr) 0.7 V (p-p), 75 ohms, RCA jack x 1

87.5 - 108.0 MHz or 65.0 - 74.0 MHz, 87.5 - 108.0 MHz 10.7 MHz 60 dB (Mono) 160 - 10,000 Hz 522 - 1,620 kHz or 520 - 1,720 kHz 450 kHz

AMPLIFIER Stereo mode Surround mode (* Depending on the sound mode settings and the source, there may be no sound output.)

Inputs

45W + 45W (Rated Output Power 30W, 4at 1 kHz, THD 10 %) Front: 45W + 45W (Rated Output Power 30W, THD 10 %) Center*: 45W Surround*: 45W + 45W (Rated Output Power 30W, 4at 1 kHz, THD 10 %) Subwoofer*: 75W (Rated Output Power 60W, 8at 30 Hz, THD 10 %) AUX IN, MIC

SPEAKERS

Type Impedance Frequency Response Sound Pressure Level Rated Input Power Max. Input Power Net Dimensions (W x H x D) Net Weight

Front/Center/Rear Speaker

Passive Subwoofer

(SH32SD-S) 1 Way1 Speaker 4Ω 160 - 20,000 84 dB/W (1m) 45 W 90 W 98 x 101 x 105 mm 0.52kg

(SH32SD-W) 1 Way1 Speaker 8Ω Hz 65 - 1,500 Hz 87 dB/W (1m) 75 W 150 W 181 x 351 x 278 mm 3.4kg

1-7

SECTION 2. AUDIO PART AUDIO TROUBLESHOOTING GUIDE 1. Power Supply Circuit Insert power cord. Yes

Does red power led turn on?

No

Check power plug and power supply circuit.

Yes Turn power on.

No

Check power supply circuit.

Is power on?

Yes

Does red power led turn on?

No

Check laser circuit.

Check focus circuit.

Yes

Check disc.

No

Check tracking servo circuit.

Does it play?

Yes

Does it output audio?

No

Check audio circuit.

Yes OK

2-1

2. Front circuit (1/2) Power on.

No

Check if PN1301 is ok?

Red LED turn off?

Yes

Is the Digitron on correctly?

No

Reconnect it.(Refer to notice *1)

Yes

No

Check if the front power is ok?(*2)

Yes

No

Refer to SMPS part.

Yes

Check if all buttons are ok?

1

Yes

Check if the remote control is ok?

No

2

Check if RM301 is ok?

Yes Front B/D ok.

2-2

Check pattern and resoldering

3. Front circuit (2/2) 1

Check if the power part of the front is ok?

No

Refer to power(SMPS).

Yes

Check if R345~R350 ok?

No

Yes

Refer to MICOM circuit.

Replace R345 ~ R350.

2

Check if the power part of the front is ok?

No

Refer to power(SMPS).

Yes

Check if the remote control waveform of PN3101 pin11 is ok?

Yes

Refer to MICOM circuit.

No

Check if RM301 voltage is ok(5V)?

No

Yes

Resolder or Replace RM301.

Check RM circuit

2-3

WIRING DIAGRAM

061026

2-4

2-5

BLOCK DIAGRAM

061026

2-6

2-7

CIRCUIT DIAGRAMS IMPORTANT SAFETY NOTICE

1. SMPS(POWER) CIRCUIT DIAGRAM

NOTE) NOTE) NOTE) NOTE)

WHEN SERVICING THIS CHASSIS, UNDER NO CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN BE MODIFIED OR ALTERED WITHOUT PERMISSION FROM THE LG CORPORA TION. ALL COMPONENTS SHOULD BE REPLACED ONLY WITH TYPES IDENTICAL TO THOSE IN THE ORIGINAL CIR- CUIT.

SPECIAL COMPONENTS ARE SHADED ON THE NOTE : SCHEMATIC FOR EASY IDENTIFICATION. 1. Shaded( ) parts are critical for safety. Replace only THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIFwith specified part number. FER FROM THE ACTUAL CIRCUIT USED. THIS WAY, 2. Voltages are DC-measured with a digital voltmeter IMPLEMENTATION OF THE LATEST SAFETY AND during Play mode. PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTIL THE NEW SERVICE LITERATURE IS PRINTED.

Warning Parts that are shaded are critical With respect to risk of fire or electricial shock.

NOTES)

Symbol denotes AC ground.

NOTES)

Symbol denotes DC chassis ground.

061026

2-8

2-9

2. µ-COM(MAIN) CIRCUIT DIAGRAM

061026

2-10

2-11

3. MOTOR & SERVO CIRCUIT DIAGRAM

061026

2-12

2-13

4. I/O CIRCUIT DIAGRAM

061026

2-14

2-15

5. MIC CIRCUIT DIAGRAM

061026

2-16

2-17

6. FRONT JACK CIRCUIT DIAGRAM

061026

2-18

2-19

7. FRONT CIRCUIT DIAGRAM(WITH RDS)

061026

2-20

2-21

8. FRONT CIRCUIT DIAGRAM(WITHOUT RDS)

061026

2-22

2-23

PRINTED CIRCUIT BOARD DIAGRAMS 1. MAIN P.C. BOARD DIAGRAM ( TOP VIEW )

2-24

2-25

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

2-26

2-27

3. SMPS P.C. BOARD NOTE: Warning Parts that are shaded are critical With respect to risk of fire or electrical shock.

2-28

2-29

4. FRONT JACK P.C BOARD

5. FRONT P.C. BOARD(WITH RDS)

6. FRONT P.C. BOARD(WITHOUT RDS)

2-30

2-31

SECTION 3. DVD & AMP PART ELECTRICAL TROUBLESHOOTING GUIDE 1. System operation flow POWER ON.

1. Initializes SERVO, DSP & RISC registers. 2. Write RISC code to SDRAM. 3. Reset RISC.

Show LOGO.

Yes

Tray closed?

No Tray close to closed position.

SLED at inner side?

Yes

No SLED moves to inner position.

1. Judge whether have disc and disc type. 2. Jump to related disc reading procedure.

Recieve OPEN/ CLOSE Key? No 1. Execute Pressed Key & IR Key. 2. System operation routine loop.

1. Stop Playback & Open Tray. 2. Display tray open message & LOGO.

No

Receive CLOSE Key?

Yes

3-1

2. Test & debug flow

TEST.

Check the AC voltage Power PCBA (110V or 220V).

No

Check the POWER PART.

Yes Switch on the Power PCBA.

Are the DC Voltage outputs OK? (12V, 5.6V, 3.5V, 5V,7V, 34V).

No

Check the POWER PART.

Yes

Are 3.5V and 5V DC outputs normal on main PCBA?

No

Check the regulators or diode.

Yes Update FLASH successfully?

No

1. Check 2. Check 3. Check 4. Check

27MHz system clock. system reset circuit. FLASH R/W enable signal PRD, RWR. FLASH Memory related circuit.

Yes Replace FLASH. A

3-2

A

Power On.

Show LOGO?

Flash Memory operates properly?

Check connection lines between FLASH & ES8380 and the FLASH access time whether is suitable or not.

Check connection lines between SDRAM(IC502) & ES8380 and the SDRAM is damaged.

SDRAM works properly?

ES8380 VIDEO outputs properly?

Check the related circuit of ES8380 IC501 Pins133, 134, 137, 138, 139, 140.

Check AV cable connection to TV set.

Does Tray move inside when it is not at closed position?

B

Normal OPEN_SW, CLOSE_SW signal?

Check the load OPEN & CLOSE switch.

Normal IN_SW & OUT_SW signal?

Check the Tray control IO pins on ES8380.

Normal LOAD+ & LOADsignal?

Check the Tray control MOTOR & SERVO circuit IC401.

Check AV cable connection between main PCBA and loader. (MECHA)

3-3

B

Does the SLED move to inner side when it is at outer position?

No

Motor Driver DRV_MUTE pin is high?

No

Check the connection line of DRV_MUTE.

Yes Yes Motor Driver DRV_MUTE pin is High?

No Check the related circuit of SLEGN.

Yes SLED+ and SLED- output properly?

No

Check the amp circuit on motor driver.

Yes Do not put in disc and close tray.

Optical Lens has movements for searching Focus?

Check the cable connection with MECHA.

Proper Focus outputs to motor dricer?

No

Check Focus connection on ES8380 and motor driver.

Yes Yes Proper F+ & F- outputs?

Yes C

Check cable connection with pick-up head.

3-4

No

Check the amp circuit on motor driver.

C

Laser turns on when reading disc?

No

DVDLD or CDLD output property?

No

Check the laser power circuit on ES8380 and connecting to power transistor.(Q405, Q406).

No

Check the related circuit on laser power transistor.

No

Check the related circuit on ES8380 RF signal.

No

Check the SPINDLE related circuit on ES8380.

No

Check the spindle control amp circuit of motor driver.

Yes

Yes

Collector voltage of power transistor is OK? (Q405, Q406) Yes Check cable connection between transistor output and pick-up head.

Put disc in?

No

Laser off.

Yes

Disc ID is correct?

No

Proper RF signal on ES8380.

Yes Yes Check the RF connection between IP9009 and ES8380.

Does spindle rotate?

No

Proper SPINDLE signal on ES8380. Yes

Yes SPNP SPNN output properly? Yes D

Check the cable connection between spindle and main PCB.

3-5

D

Focus on ok?

No

Proper signals on A, B, C, D of ES8380.

No

Check connections between ES8380 and pick-up head.

Yes Yes Proper CD-DVDCT signal on ES8380.

No

Check the related circuit on ES8380 CD-DVDCT.

No

Check the related circuit on ES8380.

No

Check the TRACK connection on ES8380 and motor driver.

No

Check the tracking control amp circuit on motor driver.

Yes Check CD_DVDCT connection between IP9009 and ES8380.

Proper CD-DVDCT signal on ES8380.

Track On OK?

Yes Yes

Proper TRACK signal on ES8380. Yes TR+ & TRoutput properly?

Yes Check cable connection on pick-up head.

Disc Playback?

No

Check RF signal waveform.

Yes

E

3-6

E

Normal Audio output when disc playback?

PWM IC received correct data stream?

Check connection between IC701 BCK, LRCK, ADATAO.

Normal PWM IC out?(IC701).

Check the related circuit of PWM.(Check Audio out Pins 54, 55, 58, 59, 61, 62, 67, 68, 70, 71, 74, 75.

Check Digital Amp circuit (IC702, IC703).

TEST END.

3-7

3. AUDIO µ-COM Circuit(DVD & AMP)

POWER ON.

Does CD/DVD appear at FLD?

NO

Does AUX, SCART, OPT and FM 87.5 appear at FLD.

YES Does Loading appear at FLD?

NO NO

YES Does no Disc or Time appear at FLD?

NO

Check power part of Main B/D.

NO Refer to SMPS.

YES NO

Check if DVD an audio micom insert is OK.

Check oscillator of X101.

YES

Refer to oscillator circuit.

YES NO

YES

NO

YES

YES

Check Power.

Does it appear DVD Error at FLD?

NO

Check if IC101 Pin41 is high.

Check IC101 reset waveform.

YES

Check DVD Module.

Check SMPS.

Check if IC101 Pin15, 16, 47 are high(5V).

NO Check 3.3V line.

YES Check if IC101 Pin1 is high.

NO

YES

Replace IC101.

3-8

Check power section circuit.

YES OK

DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1. SYSTEM 27MHz CLOCK,RESET,FLASH R/W SIGNAL 1) ES8380 main clock is at 27MHz(X501)

3.8V, 27MHz

FIG 1-1

2) ES8380 reset is high active. Power Cord in

5.2VA

PWR_CTL(SYSTEM µ-COM) (IC101 PIN2) DVD_RESET(IC101 PIN 41)

MRST#(IC501 PIN 203)

FIG 1-2

3-9

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

FRD(IC503 PIN 28)

FWR(IC503 PIN 11)

FIG 1-4

2. SDRAM CLOCK 1) ES8380 main clock is at 27MHz(X501) DCLK = 93MHz, Vp-p=2.2, Vmax=2.7V

(IC502 PIN 38)

FIG 2-1

3-10

3. TRAY OPEN/CLOSE SIGNAL 1) Tray open/close waveform

OPENSW(P401 PIN3)

CLOSESW(P401 PIN4) OPEN(IC401 PIN 1)

CLOSE(IC401 PIN 2)

FIG 3-1

2) Tray close waveform

OPENSW(P401 PIN3) CLOSESW(P401 PIN4)

OPEN(IC401 PIN 1)

CLOSE(IC401 PIN 2)

FIG 3-2

3-11

3) Tray open waveform

OPENSW(P401 PIN3)

CLOSESW(P401 PIN4) OPEN(IC401 PIN 1)

CLOSE(IC401 PIN 2)

FIG 3-3

4. SLED CONTROL RELATED SIGNAL (NO DISC CONDITION)

SLO(2.0V/1.4V/1.0V) (IC501 PIN 173) DRV_MUTE(5V) – (IC401 PIN 21)

SLED+(4.7V/3.6V/1.9V) (IC401 PIN 17)

SLED-(5.3V/3.7V/2.5V) (IC401 PIN 18)

FIG 4-1

3-12

5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION)

FOO(1.5V/1.4V/1.3V) (IC501 PIN 172)

F+(4.0V/3.6V/3.2V) (IC401 PIN 13)

F-(4.0V/3.6V/3.2V) (IC401 PIN 14)

FIG 5-1

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

DVD MDI(0V/180mV) (IC501 PIN 152) DVDLDO501(5.0V//3.5V) (IC501 PIN 149)

CDLDO(5.0V/3.6V) (IC501 PIN 150)

FIG 6-1

3-13

7. DISC TYPE JUDGEMENT WAVEFORMS

F+(IC401 PIN 13)

CD_DVDCT(IC501 PIN 133)

RF(IC501 PIN 160)

FIG 7-1 (DVD)

F+(IC401 PIN 13)

CD_DVDCT(IC501 PIN 133)

RF(IC501 PIN 160)

FIG 7-2 (DVD)

3-14

F+(IC401 PIN 13)

CD_DVDCT(IC501 PIN 133)

RF(IC501 PIN 160)

FIG 7-3 (CD)

F+(IC401 PIN 13)

CD_DVDCT(IC501 PIN 133)

RF(IC501 PIN 160)

FIG 7-4 (CD)

3-15

8. FOCUS ON WAVEFORMS

CD_DVDCT(IC501 PIN 133)

FOO(IC501 PIN172) F+(IC401 PIN 13)

F-(IC401 PIN 14)

FIG 8-1 (DVD)

CD_DVDCT(IC501 PIN 133)

FOO(IC501 PIN172) F+(IC401 PIN 13)

F-(IC401 PIN 14)

FIG 8-2 (CD)

3-16

9. SPINDLE CONTROL WAVEFORMS (NO DISC CONDITION)

SPINO(1.4V/1.8V) (IC501 PIN 171) SP-(3.6V/2.4V) (IC501 PIN 156)

SP+(3.6V/4.8V) (IC501 PIN 155)

FIG 9-1

10. TRACKING CONTROL RELATED SIGNAL(System checking)

CD_DVDCT(IC501 PIN 133)

TRO(IC501 PIN 174)

TR-(IC401 PIN 12)

TR+(IC401 PIN 11)

FIG 10-1(DVD)

3-17

CD_DVDCT(IC501 PIN 133)

TRO(IC501 PIN 174)

TR-(IC401 PIN 12)

TR+(IC401 PIN 11)

FIG 10-2(CD)

11. ES8380 VIDEO OUTPUT WAVEFORMS 1) Full colorbar signal(COMPOSIT)

(IC501 PIN 110)

FIG 11-1

3-18

2) Y

(IC501 PIN 113)

FIG 11-2

12. AUDIO OUTPUT FROM PWM IC 1) Audio L/R

(IC701 PIN 1, 7)

FIG 12-1

3-19

2) Audio related Signal

ASDATA3

ADATA0(IC501 PIN 118)

BCK(IC501 PIN 124)

LRCK(IC501 PIN 117)

FIG 12-2

3-20

13. DVD & AMP WAVEFORMS 1)

2)

• R620 → TP611 or R621 TP612

3)

• R618 → TP609 or R619 TP610

4)

• R612 → TP603 or R613 TP604

5)

• R610 → TP601 or R611 TP602

6)

• R614 → TP605 or R615 TP606

• R616 → TP607 or R617 TP608

3-21

DVD & AMP CIRCUIT DIAGRAM 1. MPEG CIRCUIT DIAGRAM

061026

3-23

3-24

2. DSP & AMP CIRCUIT DIAGRAM

061026

3-25

3-26

SECTION 4. EXPLODED VIEWS 462

NOTES) THE EXCLAMATION POINT WITHIN AN

• CABINET AND MAIN FRAME SECTION

EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE.

463

A B

A26 275

465 D

A50

283 463

A43

A

273

B

463

D

273

P3502

250

MA

C

IN

C

CABLE1

280

463 A46

465 SM

473

PS

279

A47

A44

261 260

4-1

4-2

300

• DECK MECHANISM EXPLODED VIEW(DP-10T)

001 002 003

A26 439

018

A01

014

A02

013 020 017

012

435 015B

015 015A

019 016 440 432 012

030

012A

010

026

439 024 025

431

036

435

012A

A03

021

430

4-3

4-4

• PACKING ACCESSORY SECTION

811

824 ANTENNA LOOP(AM)

RCA CABLE VIDEO(1WAY)

808 BATTERY

825 ANTENNA (FM)

801 INSTRUCTION ASSEMBLY

900 REMOCON

804 BAG 803 PACKING, CASING 803 PACKING, CASING

802 BOX

4-5

SECTION 5. SPEAKER SECTION • FRONT/CENTER/REAR SPEAKER (SH32SD-S)

A80FR F.R CASE Assembly A80FL F.L CASE Assembly A80

852

CENTER Assembly

F.R SPK F.L SPK

A80C

A81 A82

CENTER SPK

A80SL R.L Assembly

A83

R.R SPK

A84

R.L SPK

A80SR R.R Assembly

WIRE80 F.R SPK WIRE81 F.L SPK WIRE82 CENTER SPK WIRE83 R.R SPK WIRE84 R.L SPK

850 853

851

5-1

4. LHS-96SB • PASSIVE SUBWOOFER SPEAKER (SH32SD-W)

951

A90

WIRE90

953

952 950

954

5-2