AKIRA DVD-2102 SERVICE MANUAL

DVD Player

Service Manual

MODEL: DVD-2102SE(KH1) DVD-2102SE(KH2)

Model No: DVD-2102SE(KH1)_2102SE(KH2) Version 1.0

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CONTENTS

1. SAFETY INSTRUCTIONS WARNING AND NOTES .................................. ………….4

1.1 ELECTRIC SHOCK WARNING .............................................……………………...4

1.2 EXAMPLE OF ANTENNA GROUNDING ....................................... ……………….5

1.3 SAFETY INSTRUCTION ..............................................................…………………6

2. INTRODUCTION ................................................................................... ………………9

2.1 PLAYABLE DICS .................................................……………………………………9

3. PREPARATIONS BEFORE OPERATION ........................................... ………………10

3.1 SAFETY ………………………………………………………………………………...10

3.2 PRECAUTION FOR DISCS........... ………………………………………………….10

3.3 SETUP REMOTE CONTROL UNIT …………………………. ……………………..11

4. FUNCTIONAL BLOCK DIAGRAMS …………………………. …………………………13

4.1 POWER SUPPLY BLOCK DIAGRAM.................................................. ………….13

4.3 MPEG CARD BLOCK DIAGRAM........................................................ …………..14

4.4 FRONT PANEL BLOCK DIAGRAM................................................... ……………15

4.5 KARAOKE BLOCK DIAGRAM........................................................... ……………16

4.6 SERVO MOTOR FUNCTIONAL BLOCK DIAGRAM .......................... …………..17

5. TROUBLESHOOTING .............................................................................. …………..18

5.1 Preliminary Check ..........................................................................………………18

5.2 Repair Procedure for MIC ................................................................ …………….19

5.3 Repair Procedure for Front Control Panel .........................................……………20

5.4 Repair Procedure for No Disc ........................................................………………21

6. BUILT-UP ASSEMBLY BOARDS ...................................... …………………………..22

6.1 OVERALL VIEW ................................................................ ……………………….22

6.2 POWER SUPPLY & MIC AMPLIFIER BOARD ..................... …………………….23

6.3 FRONT CONTROL AND DISPLAY BOARD ......................... …………………….24

6.4 LASER PICK-UP LOADER ASSEMBLY ............................……………………….25

6.5 MPEG AND 5.1 CHANNEL AV BOARD ............................. ………………………26

6.6 MIC INPUT BOARD ...........................................................……………………….27

6.7 MIC VOL AND ECHO VOL BOARD ................................... ………………………28

6.8 POWER SUPPLY SCHEMATIC DIAGRAM ...................... ……………………….29

7. TECHNICAL SPECIFICATIONS ............................................................ …………….30

Model No: DVD-2102SE(KH1)_2102SE(KH2) Version 1.0

1. SAFETY INSTRUCTIONS WARNING AND NOTES

1.1 ELECTRIC SHOCK WARNING

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK)

NO USER SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL

THE LIGHTNING FLASH WITH ARROWHEAD SYMBOL WITHIN AN

EQUILATERAL TRIANGLE IS INTENTED TO ALERT THE USER TO THE

UNINSULATED “DANGEROUS VOLTAGE” WITHIN THE PRODUCTS ENCLOSURE

TO PREVENT ELECTRIC SHOCK, DO NOT USE THIS POLARIZED AC PLUG WITH A

EXTENSION CORD, RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE

FULLY INSERTED TO PREVENT BLADE EXPOSURE.

THIS UNIT EMPLOYS LASER. ONLY QUALIFIED SERVICE PERSONNEL SHOULD REMOVE

THE COVER OR ATTEMPT TO SERVICE THIS DEVICE DUE TO POSSIBLE EYE INJURY.

CAUTION: USE OF ANY CONTROLS, ADJUSTMENTS, OR PROCEDURES OTHER THA

THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

THAT MAY BE SUFFICIENT MAGNITUDE TO CONSTITUTE A RISK OF ELECTRIC

SHOCK TO PERSONS.

THE EXCLAMATION POINT SYMBOL WITHIN AN EQUILATERAL TRIANGLE IS

INTENTED TO ALERT THE USER TO THE PRESENCE OF IMPORTANT

OPERATING AND MAINTENANCE (SERVICING) INSTRUCTIONS IN THE

LITERATURE ACCOMPANYING THE APPLIANCE.

CAUTION

LASER SAFETY

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Model No: DVD-2102SE(KH1)_2102SE(KH2) Version 1.0

1.2 EXAMPLE OF ANTENNA GROUNDING

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EXAMPLE OF ANTENNA GROUNDING ACCORDING TO

NATIONAL ELECTRICAL CODE INSTRUCTIONS

CONTAINED IN ARTICLE 810-RADIO AND TELEVISION EQUIPMENT

NOTE TO CATV SYSTEM INSTALLER

This reminder is provided to call the CATV (Cable- TV) system installer s attention to Article

820-40 of the NEC, which provides guidelines for proper grounding and, in particular that the

cable ground shall be connected to the grounding system of the building, as close to the point of

cable entry as practical.

Model No: DVD-2102SE(KH1)_2102SE(KH2) Version 1.0

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ATTENTION

This equipment has been tested and found to comply with the limits for the FCC Rules. These

limits are designed to provide reasonable protection against harmful interference in a

residential installation. This equipment generates, uses and can radiate radio frequency energy

and, if not installed and used in accordance with the instructions, may cause harmful

interference to radio communications.

However, there is no guarantee that interference will not occur in a particular installation. If this

equipment does cause harmful interference to radio or television reception, which can be

determined by turning the equipment off and on, the user is encouraged to try to correct the

interference by one or more of the following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit different from that to which the receiver is

connected.

- Consult the dealer or an experienced radio TV technician for help.

NOTE: Change or modifications may cause this unit to fail to comply with part 15 of the

FCC Rules and may void the user’s authority to operate the equipment.

1.3 SAFETY INSTRUCTIONS

1. This production was designed and manufactured to meet strict quality and safety

standards. There are, however, some installation and operation precautions,

which you should be particularly aware of.

2. Read Instruction - All the safety and operating instructions should be read before

the appliance is operated.

3. Retain Instruction -The safety and operating instructions should be retained for

future reference.

4. Follow Instructions - All operating and use instructions should be followed.

5. Heed Warnings - All warning on the appliance and in the operating instructions

should be adhered to.

6. Water and Moisture -The appliance should not be used near water, for example,

near a bathtub, wash-bowl, kitchen sink laundry tub, in a wet basement or near a

swimming pool.

7. Do not turn on and off too frequently. Please accord to follow steps. Turning

on: AC cord Power button on front panel. Turning off: Power button on

remote-Power button on front panel-AC code.

Model No: DVD-2102SE(KH1)_2102SE(KH2) Version 1.0

8. An appliance and Cart combination should be moved with care.

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10. Quick stops, excessive force, and uneven surfaces may cause the appliance and

cart combination to overturn.

11. Wall or Ceiling Mounting- the appliance should be mounted to a wall or ceiling

only as recommended by the manufacturer.

12. Ventilation - the appliance should be situated so that its location or position does

not interfere with its proper ventilation. For example, the appliance should not be

situated on a bed, sofa, rug or similar, surface that may block the ventilation

openings; or, placed in a built-in installation, such as a bookcase or cabinet that

may impede the flow of air through the ventilation opening.

13. Heat - The appliance should be situated away from heat sources such as

radiators, heat registers, stoves, or other appliances (including amplifiers) that

produce heat.

14. Power Sources -The appliance should be connected to a power supply only of

the type described in the operating instructions or as marked on the appliance.

15. Grounding or Polarization - The precautions that should be taken so that

grounding or polarization means of an appliance is not defeated.

16. Cleaning - The appliance should be cleaned only as recommended by the

manufacturer.

17. Power Lines - An outdoor antenna should be located away from power lines.

18. Power-Cord Protection - Power-supply cords should be routed so-that they are

not likely to be walked on or pinched by items placed upon or against them, paying

particular attention to cords at plugs, convenience receptacles, and the point

where they exit from the appliance.

19. Outdoor Antenna Grounding- If an outside antenna connected to the receiver,

be sure the antenna system grounded so as to provide some protection against

voltage surges and built up static charges.

Section 810 of the National Electrical Code, ANS1/NFPA Number 70-1984 provides

information with respect to proper grounding of the lead-in wire to an antenna discharge unit,

connection to grounding electrodes, and requirements for the ground unit electrode.

1. Non-use Periods - The power cord of the appliance should be unplugged from

the outlet when left unused for a long period of time.

2. 0bject and Liquid Entry -Care should be taken objects do not fall and liquids are

not spilled into the enclosure through openings.

Model No: DVD-2102SE(KH1)_2102SE(KH2) Version 1.0

3. Damage Requiring Service -The appliance should be serviced by qualified

service personnel when:

4. The power -supply cord or the plug has been damaged

5. Objects have fallen, or liquid has spilled into the appliance

6. The appliance has been exposed to rain

7. The appliance does not appear to operate normally

8. Exhibits a marked change in performance

9. The appliance has been dropped or the enclosure damaged.

10. Servicing - The user should not attempt to service the appliance beyond that

described in the operation instructions. All other servicing should be refereed to

qualified service personnel.

11. Replacement Parts - When replacement parts are required, be sure the service

technician or that have the same characteristics as the original part. Unauthorised

substitutions may result in fire, electric shock or other hazards

12. Lightning - For added protection for this product during a lightning storm, or when

it is left unattended and unused for long periods of time, unplug it from the wall

outlet and disconnect the antenna or cable system. This will prevent damage to

the product due to lightening and power-line surges.

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Model No: DVD-2102SE(KH1)_2102SE(KH2) Version 1.0

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2. INTRODUCTION

2.1 PLAYABLE DISCS

TYPE MARK CONTENT SIZE PLAYING TIME

DVD

CD-R

CD-RW

VCD

Audio + Video

(Motion

pictures)

Audio

Video + Audio 12cm

12cm

8cm

12cm

8cm

About 4 hrs (single-side disc)

About 8 hrs (double-side disc)

About 80 mins (single-side

disc)

About 160 mins (double-side

disc)

About 75 mins

About 20 mins

About 75 mins

MP3

Note:

This product incorporates copyright protection technology that is protected by method

claims of Certain U.S. patents and other intellectual property rights owned by Macrovision

Corporation and other rights owners. Use of this copyright protection technology must be

authorized by Macrovision Corporation, and is intended for home and other limited viewing

uses only unless otherwise authorized by Macrovision Corporation. Reverse engineering or

disassembly is prohibited.

Model No: DVD-2102SE(KH1)_2102SE(KH2) Version 1.0

Audio

12cm

About 500 mins

+ 21 hidden pages

AKIRA DVD-2102 SERVICE MANUAL

Specifications and Main Features

Frequently Asked Questions

User Manual