Panasonic SAHT-880-EB Service manual

ORDER NO.MD0502027C2

DVD Home Theater Sound System

SA-HT880EB

Colour

(S).......................Silver Type

Specifications

lGeneral

Power Source:

C 230-240 V, 50 Hz

Power consumption: 25 W

Dimensions (W×H×D): 430×60×348.3 mm

Mass: 2.7 kg

lAmplifier section

RMS Output Power: Dolby Digital Mode

lTotal RMS Dolby Digital

mode Power:

At 1kHz and total harmonic of 10%

lFront:

lCenter:

lSurround:

At 100Hz and total harmonic of 10%

lActive subwoofers:

DIN Output Power: Dolby Digital Mode:

lTotal DIN Dolby Digital mode Power:

At 1kHz and total harmonic of 1%

lFront:

lCenter:

lSurround:

At 100Hz and total harmonic of 1%

lSubwoofer:

1000 W

170 W/ Channel (4Ω)

260 W/ Channel (4Ω)

70 W/ Channel (4Ω)

260 W/ Channel (4Ω)

750 W

140 W/ Channel (4Ω)

180 W/ Channel (4Ω)

55 W/ Channel (4Ω)

180 W/ Channel (4Ω)

lFM tuner section

Frequency Range: 87.5-108.0MHz

(50kHz in step)

Sensitivity: 1.5µV (IHF)

S/N 26dB 1.2µV

Antenna Terminal: 75Ω (non balance)

lAM tuner section (AM/MW)

Frequency Range: 522-1629kHz (9kHz in step)

520-1630kHz (10kHz in step)

AM Sensitivity S/N 20dB at 999kHz:

Phone Jack:

Terminal: Stereo 3.5mm jack

lDisc section

Discs played [8 cm or 12 cm]:

(1) DVD-RAM (DVD-VR compatible, JPEG formatted discs)

(2) DVD-Audio

(3) DVD-Video

(4) DVD-R, DVD-RW (DVD-Video compatible)

+R, +RW (Video compatible)

(5) CD-Audio (CD-DA)

(6) Video CD

(7) SVCD (Conforming to IEC62107)

(8) CD-R/CD-RW (CD-DA, Video-CD, SVCD, MP3, WMA, JPEG

formatted discs)

560µV/m

SA-HT880EB

(9) MP3/WMA

lMaximum number of recognizable audio and picture contents and groups:

4000 audio and picture contents and 400 groups

lCompatible compression rate:

MP3: between 32 kbps and 320 kbps

WMA: between 48 kbps and 320 kbps

(10) JPEG

lMaximum number of recognizable audio and picture contents and groups:

4000 audio and picture contents and 400 groups

lExif Ver 2.1 JPEG Baseline files

lPicture resolution: between 320 x 240 and 6144 x 4096

pixels (sub sampling is 4:2:2 or 4:2:0)

(11) HighMAT Level 2 (Audio and lmage)

Pick up:

Source of light beam:

Semiconductor Laser

Wavelength:

lCD:

lDVD:

785nm

662nm

Audio output (DISC):

Number of channels: 5.1 ch (FL, FR, C, SL, SR,

SW)

Audio performance (measured at LINE OUT terminal):

Frequency response:

DVD (linear audio): 10 Hz-22 kHz (48 kHz

sampling)

10 Hz-44 kHz (96 kHz sampling)

DVD-Audio: 10 Hz-88 kHz (192 kHz

sampling)

CD-Audio:

10 Hz-20 kHz

S/N ratio:

CD-Audio: 95 dB

Dynamic range:

DVD (linear audio): 95 dB

CD-Audio: 93 dB

Total harmonic distortion:

CD-Audio: 0.005 %

lVideo section

ideo system:

Signal system: PAL 625/5 0, PAL 525/60,

NTSC

Composite video output:

Output level: 1 Vp-p (75 Ω)

Terminal: Pin jack (1 system)

Scart jack (1 system)

S-video output:

output level: 1 Vp-p (75 Ω)

C output level: PAL; 0.3Vp-p (75 Ω)

NTSC; 0.286 Vp-p (75 Ω)

Terminal S terminal (1 system)

Scart jack (1 system)

Component video output (480P/480I):

output level: 1 Vp-p (75 Ω)

PBoutput level: 0.7 Vp-p (75 Ω)

PRoutput level: 0.7 Vp-p (75 Ω)

Terminal: Pin jack (Y: green, PB: blue,

: red) (1 system)

RGB video output:

R output level:

G output level:

0.7 Vp-p (75 Ω)

B output level: 0.7 Vp-p (75 Ω)

Terminal: Scart jack (1 system)

Power consumption in standby mode:

approx 0.7W

Note:

1. Specifications are subject to change without notice.

Mass and dimensions are approximate.

2. Total harmonic distortion is measured by the digital spectrum analyzer.

Solder:

This model uses lead free solder (PbF).

SA-HT880EB

CONTENTS

Page Page

1 Use of Active Subwoofer 4

1.1. Checking Player when Active Subwoofer is not used

2 Safety Precautions

2.1. GENERAL GUIDELINES

3 Prevention of Electro Static Discharge (ESD) to

Electrostatically Sensitive (ES) Devices

4 Before Repair and Adjustment (Using Active Subwoofer)

5 Protection Circuitry

6 Precaution of Laser Diode

7 About Lead Free Solder (PbF)

8 General Description

8.1. Operating instructions

8.2. Disc information

8.3. About HighMAT

9 Accessories

10 Caution for AC Cord

11 Handling Precautions for Optical Pickup Unit

11.1. Cautions to Be Taken in Handling the Optical Pickup Unit

11.2. Cautions to Be Taken When Replacing the Optical Pickup

11.3. Grounding for electrostatic breakdown prevention

12 Disassembly and Main Component Replaceme nt Procedure

12.1. Disassembly Procedure

12.2. Main Components and P.C.B. Locations.

12.3. Disassembling the Top Cabinet

12.4. Disassembling the Lid assembly (When taking out disc

manually)

12.5. Disassembling the Front Panel

12.6. Disassembling the FL P.C.B. and Volume P.C.B.

12.7. Disassembling the DVD mechanism Unit

12.8. Disassembling the DVD Module P.C.B.

12.9. Disassembling the Rear panel

12.10. Disassemb ling the Scart P.C.B.

12.11. Disassemb ling Main P.C.B.

12.12. Service Position

13 Assembling and disassembling the DVD mechanism unit

13.1. Disassembly Procedure

13.2. Traverse Unit

13.3. Tray Unit

13.4. Loading section

13.5. Tray Loading P.C.B.

13.6. Optical Pickup Unit

13.7. Traverse Motor and Spindle Motor

14 Optical Pick-up Self-Diagnosis and Replacement Procedure

14.1. Optical Pickup Breakdown Diagnosis

14.2. Service Mode Table 1

14.3. DVD Self Diagnostic Function-Error Code

14.4. Service mode table 2

14.5. Sales demonstration lock function

14.6. Handling After Completing Repairs

15 Self-Diagnosis Function

15.1. Automatic Displayed Error Codes

15.2. Memorized Error Codes

16 Service Precautions

16.1. Recovery after the DVD player is repaired

16.2. Firmware version-up of the DVD player

17 Adjustment Procedure

17.1. Service Tools and Equipment

17.2. Important points in adjustment

17.3. Storing and Handling Test Discs

17.4. Optical adjustment

18 Abbreviations

19 Voltage Chart

19.1. DVD Module P.C.B.

19.2. Main P.C.B.

19.3. FL P.C.B. & Scart P.C.B & Tray Loading P.C.B.

20 Wave Form Chart

21 Schematic Diagram Notes

22 Block Diagram

23 Schematic Diagram

24 Printed Circuit Board Diagram

25 Wiring Connection Diagram 26 Illustration of IC 痴, Transistors and Diodes

27 Terminal Function of ICs

27.1. IC2018 (C2CBHG000168): System control

28 Parts Location and Replacement Parts List

28.1. Loading Mechanism, Traverse Unit & Cabinet

28.2. Component Parts List

28.3. Packing Materials & Accessories Parts List

28.4. Packaging

SA-HT880EB

1 Use of Active Subwoofer

1.1. Checking Player when Active Subwoofer is not used

1. This unit uses the active subwoofer to supply the power of the component, and the active subwoofer should be connected to the component to check operational conditions of the component.

2. If the active subwoofer is not available due to repair of the unit, use the following equipment.

Jig product number: RFKZ0182 (110V, 127V, 220V, 230V-240V for overseas domestic use)

SA-HT880EB

2 Safety Precautions

2.1. GENERAL GUIDELINES

1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit.

2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

3. After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards.

2.1.1. LEAKAGE CURRENT COLD

CHECK

1. Unplug the AC cord and connect a jumper between the two prongs on the plug.

2. Measure the resistance value, with an ohmmeter, between the jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads, connectors, control shafts, etc. When the exposed metallic part has a return path to the chassis, the reading should be between 1MΩ and 5.2MΩ.

When the exposed metal does not have a return path to

the chassis, the reading must be

Figure 1

2.1.2. LEAKAGE CURRENT HOT CHECK (See Figure 1 .)

1. Plug the AC cord directly into the AC outlet. Do not use an

isolation transformer for this check.

2. Connect a 1.5kΩ, 10 watts resistor, in parallel with a 0.15µF

capacitors, between each exposed metallic part on the set and a good earth ground such as a water pipe, as shown in Figure 1.

3. Use an AC voltmeter, with 1000 ohms/volt or more

sensitivity, to measure the potential across the resistor.

4. Check each exposed metallic part, and measure the

voltage at each point.

5. Reverse the AC plug in the AC outlet and repeat each of the

above measurements.

6. The potential at any point should not exceed 0.75 volts

RMS. A leakage current tester (Simpson Model 229 or equivalent) may be used to make the hot checks, leakage current must not exceed 1/2 milliamp. In case a measurement is outside of the limits specified, there is a possibility of a shock hazard, and the equipment should be repaired and rechecked before it is returned to the customer.

3 Prevention of Electro Static Discharge (ESD) to

Electrostatically Sensitive (ES) Devices

Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES 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 electro static discharge (ESD).

1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap, 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 ES 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 ES devices.

4. Use only an anti-static solder removal device. Some solder removal devices not classified as "anti-static (ESD protected)" can generate electrical charge sufficient to damage ES devices.

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

6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material).

7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material to the chassis or circuit assembly into which the device will be installed.

SA-HT880EB

Caution

Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.

8. Minimize bodily motions when handling unpackaged replacement ES 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 (ESD) sufficient to damage an ES device).

4 Before Repair and Adjustment (Using Active Subwoofer)

Disconnect AC power, discharge Power Supply Capacitors C546~C549 through a 10 Ω, 10 W resistor to ground.

DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices.

After repairs are completed, restore power gradually using a variac, to avoid overcurrent.

Current consumption at AC 230 V, 50 Hz in NO SIGNAL mode should be ~ 620 mA.

5 Protection Circuitry

The protection circuitry may have operated if either of the following conditions are noticed:

· No sound is heard when the power is turned on.

· Sound stops during a performance.

The function of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are

“shorted”, or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used.

If this occurs, follow the procedure outlines below:

1. Turn off the power.

2. Determine the cause of the problem and correct it.

3. Turn on the power once again after one minute.

Note:

When the protection circuitry functions, the unit will not operate unless the power is first turned off and then on again.

6 Precaution of Laser Diode

CAUTION :

This product utilizers a class 1 laser. Invisible laser radiation is emitted from the optical pick up lens.

When the unit is turned on:

Wavelength : 662nm(DVD)/785nm(CD)

Maximum output radiation power from pick up : 100µW/VD E

Laser radiation from pick up unit is safety level, but be sure the followings:

1. Do not disassemble the optical pick up unit, since radiation from exposed laser diode is dangerous.

2. Do not adjust the variable resistor on the pick up unit. It was already adjusted.

3. Do not look at the focus lens using optical instruments.

4. Recommend not to look at pick up lens for a long time.

SA-HT880EB

7 About Lead Free Solder (PbF)

Distinction of PbF PCB: PCBs (manufactured) using lead free solder will have a Pbf stamp on the PCB.

Caution:

· Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher. Please use a high temperature soldering iron. In case of the soldering iron with temperature control, please set it to 700 ± 20°F (370 ± 10°C).

· Pb free solder will tend to splash when heated too high (about 1100°F/ 600°C).

When soldering or unsoldering, please completely remove all of the solder on the pins or solder area, and be sure to heat the soldering points with the Pb free solder until it melts enough.

SA-HT880EB

8 General Description

8.1. Operating instructions

TV/AV

AUX

NUMBERED BUTTONS

CANCEL

TOP MENU

ENTER

FUNCTIONS/ TV VOL

SHIFT

AV SYSTEM

AUX

TV/AV

CANCEL

SKIP

TOP MENU

DIRECT

NAVIGATOR

ENTER

FUNCTIONS

SUBWOOFER

SUPER SRND

LEVEL

H.BASS

ZOOM

MANUAL SKIP

SLEEP TIMER

ANGLE/PAGE

FL DISPLAY REPEAT

GROUP

ADVANCED

SHIFT

DISC REVIEW

TUNER/BAND

VOLUME

-/--

S 10

SLOW/SEARCH

C.FOCUS

SFC

SUBTITLE

AUDIO

PLAY SPEED

QUICK REPLAY

VCR

DVD/CD

PLAY

LIST

RETURN

TV VOLTV VOL

MIX 2CH

SETUP MUTING

PLAY MODE

TEST

CH SELECT

/AV SYSTEM

TUNER/BAND, DVD/CD

CH CH

VOLUME

(SKIP)

(STOP) (PAUSE)

RETURN /TV VOL

SUBWOOFER

SUPER SRND

LEVEL

H.BASS

ZOOM

MANUAL SKIP

SLEEP TIMER

ANGLE/PAGE

FL DISPLAY REPEAT

GROUP

ADVANCED

DISC REVIEW

(SLOW/SEARCH)

(PLAY)

C.FOCUS

SFC

SUBTITLE

AUDI O

PLAY SPEED

QUICK REPLAY

MIX 2CH

SETUP

MUTING

PLAY MODE

TEST

CH SELECT

STANDBY/ON INDICATOR

INPUT SELECTOR

INPUT SELECTOR PROGRESSIVE

H.BASS

RDS

PROGRESSIVE,RDS/ H.BASS/H.BASS INDICATOR

STANDBY/ON SWITCH

[/I

OPEN/CLOSE

TUNING

OPENCLOSE

TUNE MODE FM MODE MEMORY

TUNE MODE

FM MODE

TUNING

VOLUME

PHONES

DOWN

REMOTE CONTROL SIGNAL SENSOR

PHONES

VOLUME

MEMORY

]

8.2. Disc information

Discs that can be played

Disc Logo

DVD-RAM

DVD-Audio

DVD-V ideo

Indication in

these operating

instructions

RAM

JPEG

DVD-A

DVD-V

SA-HT880EB

Remarks

Recorded with devices using Version 1.1 of the Video Recording Format (a unified video recording standard), such as DVD video recorders, DVD video cameras, personal computers, etc.

Recorded using the DCF (Design rule for Camera File system) standard Version 1.0.

To play JPEG files, select “Play as Data Disc” in Other Menu.

—

Some DVD-Audio discs contain DVD-Video content. To play DVD-Video content, select “Play as DVD-Video” in Other Menu.

—

DVD-R (DVD-Video)/ DVD-RW (DVD-Video)

R (Video)/

RW (Video)

Video CD

SVCD

CD-R CD-RW

A process that allows play on compatible equipment. It may not be possible to play the above discs in all cases due to the type of disc or condition of the recording.

—

DVD-V

VCD

WMA

MP3

JPEG

VCD

Discs that cannot be played

DVD-ROM, CD-ROM, CDV, CD-G, SACD, DivX Video Discs and Photo CD, DVD-RAM that cannot be removed from their cartridge,

2.6-GB and 5.2-GB DVD-RAM and “Chaoji VCD” available on the market including CVD, DVCD and SVCD that do not conform to IEC62107.

Discs recorded and finalized on DVD video recorders or DVD video cameras.

—

Conforming to IEC62107

This unit is compatible with HDCD, but does not support the Peak Extend function (a function which expands the dynamic range of high level signals). HDCD-encoded CD’s sound better because they are encoded with 20 bits, as compared with 16 bits for all other CD’s.

This unit can play CD-R/RW (audio recording disc) recorded with the formats on the left. Close the sessions or finalize the disc after recording.

HighMAT discs

WMA, MP3 or JPEG files only. To play without using the HighMAT function, select “Play as Data Disc” in Other Menu.

WMA

This unit does not support Multiple Bit Rate (MBR: a file that contains the

same content encoded at several different bit rates).

To clean discs

Wipe with a damp cloth and then wipe dry.

Audio format of DVD’ s

This unit automatically recognizes and decodes discs with these symbols.

Video systems

– This unit can play PAL and NTSC, but your television must match

the system used on the disc. – PAL discs cannot be correctly viewed on an NTSC television. – This unit can convert NTSC signals to PAL 60 for viewing on a PAL

television.

Disc handling precautions

Do not attach labels or stickers to discs (This may cause disc warping, rendering it unusable). Do not write on the label side with a ball-point pen or other writing instrument. Do not use record cleaning sprays, benzine, thinner, static electricity prevention liquids or any other solvent. Do not use scratch-proof protectors or covers. Do not use the following discs: – Discs with exposed adhesive from removed stickers or labels

(rented discs, etc.). – Discs that are badly warped or cracked. – Irregularly shaped discs, such as heart shapes.

SA-HT880EB

8.3. About HighMAT

8.3.1. What’s HighMAT?

Consumers worldwide are using PCs to create their own collections of music, photos and even video by burning them onto CDs. But how these collections can be experienced across different devices can be confusing to navigate, time consuming to access for a DVD player, and be incomplete in terms of music information available to the customer.

HighMAT offers a solution to this growing consumer problem. HighMAT dramatically improves the digital media experience on consumer electronic devices by delivering a simple, standardized approach that allows consumers who have created personal collections of digital music, photography and video on their PC to:

>> Create a HighMAT CD or DVD which can be easily played back on consumer electronics devices such as CD and DVD players, and car stereos.

>> Move digital media files (using recordable media such as CD-R and CD-RW) between the PC and various playback devices such as CD and DVD players.

A new standard for creating personal media on consumer electronic devices, HighMAT enable easier and more seamless interoperability between Windows PCs and devices designed for your living room, or the car.

SA-HT880EB

8.3.2. Why take advantage of HighMAT?

A Problem Defined:Today, when consumers create their own digital audio, video or photo collections on CD-R or other physical formats, there are numerous, inconsistent ways that devices read the data. For the consumer, the playback experience can be confusing:

A Solution Created: HighMAT delivers a better digital media access experience by creating a standard approach for PCs to structure digital media on various physical formats and for playback devices to read the data.

8.3.3. Benefits of HighMAT?

SA-HT880EB

Conventional HighMAT

Even though DVD player is CD-R/RW compatible, the inconsistent ways that various DVD players can read the music or photos files often leads to a confusing and inconsistant playba ck experince.

HighMAT compatible products play content back with consistent interface. This includes products which are JPEG compatible products without HighMAT support.

SA-HT880EB

HighMAT is now available for CD Burning and in leading DVD Players. HighMAT is a new technology that is now available in leading software and consumer electronic devices to dramatically improve the digital media experience when you create homemade CDs. HighMAT delivers a simple, standardized way for PC software and consumer electronics devices to talk to each other and work better together.

SA-HT880EB

When you create your homemade CDs with software that supports HighMAT CD burning, and then play them back on a DVD player that supports HighMAT, you get better, easier navigation. You get folders you can access with a single click of your DVD player´s remote control. You can view important information about your music like full song names, artist titles, album names and genre. And you can get faster startup on your home entertainment device.

To enjoy the benefits of HighMAT, all you need is software that supports HighMAT for CD burning of music or photos, as well as a home entertainment device like a DVD player that supports HighMAT for playback. Always look for the HighMAT logo on your software or home entertainment device to ensure it supports the HighMAT experience.

9 Accessories

SA-HT880EB

Remote control

AM loop antenna

FM indoor antenna

Video Cable

AC cord

System cable

Antenna plug adaptor

Speaker label

Speaker cables

SA-HT880EB

10 Caution for AC Cord

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11 Handling Precautions for Optical Pickup Unit

The laser diode in the optical pickup unit may break down due to static electricity of clothes or human body. Special care must be taken avoid caution to electrostatic breakdown when servicing and handling the laser diode.

11.1. Cautions to Be Taken in Handling the Optical Pickup Unit

The laser diode in the optical pickup unit may be damaged due to electrostatic discharge generating from clothes or human body. Special care must be taken avoid caution to electrostatic discharge damage when servicing the laser diode.

1. Do not give a considerable shock to the optical pickup unit as it has an extremely high-precise structure.

2. To prevent the laser diode from the electrostatic discharge damage, the flexible cable of the optical pickup unit removed from the PCB should be short-circuited with a short pin or a clip.

3. The flexible cable may be cut off if an excessive force is applied to it. Use caution when handling the flexible cable.

4. The antistatic FPC is connected to the new optical pickup unit. After replacing the optical pickup unit and connecting the flexible cable, cut off the antistatic FPC.

11.2. Cautions to Be Taken When Replacing the Optical Pickup

The flexible cable of the optical pickup unit which was supplied as a component is equipped with a short clip to prevent the laser diode from being damaged due to electrostatic discharge. Remove the short clip before connecting the flexible cable and make sure that the short land is open. (If the flexible cable is short-circuited, remove the solder.)

11.3. Grounding for electrostatic breakdown prevention

Some devices such as the DVD player use the optical pickup (laser diode) and the optical pickup will be damaged by static electricity in the working environment. Proceed servicing works under the working environment where grounding works is completed.

11.3.1. Worktable grounding

1. Put a conductive material (sheet) or iron sheet on the area where the optical pickup is placed, and ground the sheet.

SA-HT880EB

11.3.2. Human body grounding

1. Use the anti-static wrist strap to discharge the static electricity form your body.

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12 Disassembly and Main Component Replacement

Procedure

“ATTENTION SERVICER”

Some chassis components may have sharp edges.

Be careful when disassembling and servicing.

1. This section describes procedures for checking the operation of the major printed circuit boards and replacing the

main components.

2. For assembly after operation checks or replacement, reverse the respective procedures.

Special reassembly procedures are described only when required.

3. Select items from the following index when checks or replacement are required.

· Disassembling the Top Cabinet

· Disassembling the Lid assembly (When taking out disc manually)

· Disassembling the Front Panel

· Disassembling the FL P.C.B. and Volume P.C.B.

· Disassembling the DVD mechanism Unit

· Disassembling the DVD Module P.C.B

· Disassembling the Rear panel

· Disassembling the Scart P.C.B.

· Disassembling the Main.P.C.B.

12.1. Disassembly Procedure

SA-HT880EB

12.2. Main Components and P.C.B. Locations.

12.3. Disassembling the Top

Cabinet

Step 1 Unscrew the screw.

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Step 2 Lift up and remove the top cabinet.

12.4. Disassembling the Lid

assembly (When taking out disc manually)

· Follow the (Step 1) - (Step 2) of Item 12.3.

Step 1 Separates the gear for drawing out tray from the mechanism unit. It inserts a screwdriver in the gear. (The gear jig)

Step 2 Insert the gear jig into the tray open/ close hole.

Step 3 Turn the gear jig counterclockwise to open the tray.

Note : Do not use force to push the tray backwards as it can

damage the mechanism unit. Turn the gear jig clockwise to return tray.

SA-HT880EB

12.5. Disassembling the Front Panel

· Follow the (Step 1) - (Step 2) of Item 12.3.

· Follow the (Step 1) - (Step 3) of Item 12.4.

Step 1 Remove the lid assembly from the tray section.

Step 2 Detach FFC cables at connectors. (CN2008, CN2009)

Step 2 Unscrew the screws.

Step 3 Remove the front angle.

Step 3 Release the tabs.

Step 4 Lift up the front panel to remove it.

12.6. Disassembling the FL P.C.B. and Volume P.C.B.

Step 4 Unscrew the screws.

12.7. Disassembling the DVD mechanism Unit

· Follow the (Step 1) - (Step 2) of Item 12.3.

· Follow the (Step 1) - (Step 3) of Item 12.4.

· Follow the (Step 1) - (Step 4) of Item 12.5.

Step 1 Turn the gear jig clockwise to close the tray.

Step 2 Unscrew the screws.

Step 3 Detach FFC cable at connectors. (CN2004, H2000).

Step 4 Pull out the mechanism unit vertically.

· Follow the (Step 1) - (Step 2) of Item 12.3.

· Follow the (Step 1) - (Step 3) of Item 12.4.

· Follow the (Step 1) - (Step 4) of Item 12.5.

Step 1 Remove the volume knob.

12.8. Disassembling the DVD Module P.C.B.

· Follow the (Step 1) - (Step 2) of Item 12.3.

· Follow the (Step 1) - (Step 3) of Item 12.4.

· Follow the (Step 1) - (Step 4) of Item 12.5.

· Follow the (Step 1) - (Step 4) of Item 12.7.

Step 1 Unscrew the screws.

Step 2 Detach FFC cable at the connectors.(FP8201, FP8501)

SA-HT880EB

12.9. Disassembling the Rear panel

· Follow the (Step 1) - (Step 2) of Item 12.3.

Step 1 Unscrew the screws.

Step 2 Release the tabs.

12.10. Disassembling the Scart P.C.B.

· Follow the (Step 1) - (Step 2) of Item 12.3.

· Follow the (Step 1) - (Step 2) of Item 12.9.

Step 1 Detach FFC cable at connector. (CN2005)

12.11. Disassembling Main P.C.B.

· Follow the (Step 1) - (Step 2) of Item 12.3.

· Follow the (Step 1) - (Step 3) of Item 12.4.

· Follow the (Step 1) - (Step 4) of Item 12.5.

· Follow the (Step 1) - (Step 4) of Item 12.7.

· Follow the (Step 1) - (Step 2) of Item 12.9.

· Follow the (Step 1) of Item 12.10.

Step 1 Unscrew the screws.

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12.12. Service Position

12.12.1. Servicing position of the DVD Module P.C.B.

· Follow the (Step 1) - (Step 2) of Item 12.3.

· Follow the (Step 1) - (Step 3) of Item 12.4.

· Follow the (Step 1) - (Step 4) of Item 12.5.

· Follow the (Step 1) - (Step 4) of Item 12.7.

· Follow the (Step 1) of Item 12.8.

· Follow the (Step 1) - (Step 2) of Item 12.9.

Step 1 Connect FFC cabel at connector. (CN2008, CN2009)

Step 2 Turn Mechanism unit to vertically position.

12.12.2. Servicing position of the Main P.C.B.

· Follow the (Step 1) - (Step 2) of Item 12.3.

· Follow the (Step 1) - (Step 3) of Item 12.4.

· Follow the (Step 1) - (Step 4) of Item 12.5.

· Follow the (Step 1) - (Step 4) of Item 12.7.

· Follow the (Step 1) of Item 12.8.

· Follow the (Step 1) - (Step 2) of Item 12.9.

Step 1 Connect FFC cabel at connector. (CN2008, CN2009)

Step 2 Turn Main P.C.B to vertically position.

SA-HT880EB

13 Assembling and

disassembling the DVD mechanism unit

13.1. Disassembly Procedure

13.2. Traverse Unit

1. Slide the lever (A) in the arrow direction (to the opposite side) till it stops.

2. Slide the lever (A) further by bending the tab at the right side of the lever A in the right direction. (The right groove opens and the boss becomes seen.)

3. Open the lever (B) to left. (The 2 grooves at the left side open.)

4. Remove the traverse unit

SA-HT880EB

13.3. Tray Unit

1. Slide the guide tray unit while pressing the stopper in the arrow direction, and remove the guide tray unit.

2. Raise the loading unit.

3. Slide the lever in the arrow direction till it stops and pull the tray out.

5. Remove the drive arm concave phase from the tray slider and tray.

1. Insert a part of the tray into the unit sliding over the

groove on the mechanical chassis unit.

2. Insert the tray to the point before the tab of the

mechanical chassis unit.

4. Spread the tabs at the both sides and pull the tray out. (The tray slides a little forward and stops.)

3. Hook the drive arm concave phase over the tray and the tray slider.

4. Press in the tray.

5. Make sure that the tray and the drive arm move smoothly.

SA-HT880EB

13.4. Loading section

1. Spread the tabs at the both sides and push out the drive arm shaft.

4. Remove the belt.

5. Unlock the tab and remove the pulley.

6. Remove the relay gear.

7. Turn the change lever in the arrow direction till it stops.

8. Hook the change lever spring on the change lever project part temporarily.

2. Hook the lock lever spring on the lock lever projection part temporarily.

3. Unlock the tab and remove the lock lever.

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