manuals.online logo
Brands
  1. Home
  2. •
  3. Brands
  4. •
  5. Akai
  6. •
  7. DVD Player
  8. •
  9. Akai DV-P4799KDMC User manual

Akai DV-P4799KDMC User manual

Other Akai DVD Player manuals

Akai DV-P3470S User manual

Akai

Akai DV-P3470S User manual

Akai DVDP215 User manual

Akai

Akai DVDP215 User manual

Akai ad200h User manual

Akai

Akai ad200h User manual

Akai DV-PX7830 User manual

Akai

Akai DV-PX7830 User manual

Akai DV-P4930KDSM User manual

Akai

Akai DV-P4930KDSM User manual

Akai AKDVD9DS User manual

Akai

Akai AKDVD9DS User manual

Akai AKH-100XS User manual

Akai

Akai AKH-100XS User manual

Akai DVP6333KDM User manual

Akai

Akai DVP6333KDM User manual

Akai AD66U User manual

Akai

Akai AD66U User manual

Akai DV-R4015VSS User manual

Akai

Akai DV-R4015VSS User manual

Akai AKH-800XS User manual

Akai

Akai AKH-800XS User manual

Akai ACVDS727 User manual

Akai

Akai ACVDS727 User manual

Akai A-211 User manual

Akai

Akai A-211 User manual

Akai DV-P6845KDSM User manual

Akai

Akai DV-P6845KDSM User manual

Akai A-4191 User manual

Akai

Akai A-4191 User manual

Akai AMD315 - Microset User manual

Akai

Akai AMD315 - Microset User manual

Akai AMD02 User manual

Akai

Akai AMD02 User manual

Akai A-4181 User manual

Akai

Akai A-4181 User manual

Akai DV-R4035VSMC User manual

Akai

Akai DV-R4035VSMC User manual

Akai DV-P4330S User manual

Akai

Akai DV-P4330S User manual

Akai AKDVD7 User manual

Akai

Akai AKDVD7 User manual

Akai A51002 User manual

Akai

Akai A51002 User manual

Akai STB-2680 User manual

Akai

Akai STB-2680 User manual

Akai A51005 User manual

Akai

Akai A51005 User manual

Popular DVD Player manuals by other brands

Yamaha DVD S540 - Progressive Scan DVD Player Service manual

Yamaha

Yamaha DVD S540 - Progressive Scan DVD Player Service manual

Yamakawa DVD-MP12i user manual

Yamakawa

Yamakawa DVD-MP12i user manual

Philips DVP3042/12 user manual

Philips

Philips DVP3042/12 user manual

Philips DVP5900/37B Quick use guide

Philips

Philips DVP5900/37B Quick use guide

Roadstar DVD-2020H Service manual

Roadstar

Roadstar DVD-2020H Service manual

Beko DVD 2006 user manual

Beko

Beko DVD 2006 user manual

Atak DVDA2015 instruction manual

Atak

Atak DVDA2015 instruction manual

LG DV257K owner's manual

LG

LG DV257K owner's manual

auna 10005069 manual

auna

auna 10005069 manual

Philips MCD700/61 user manual

Philips

Philips MCD700/61 user manual

Sony DVP-F11 Service manual

Sony

Sony DVP-F11 Service manual

Toshiba SD-2300U owner's manual

Toshiba

Toshiba SD-2300U owner's manual

LENCO DVP-740 X2 user manual

LENCO

LENCO DVP-740 X2 user manual

Tevion 44330 user guide

Tevion

Tevion 44330 user guide

Aiwa XD-DV370 operating instructions

Aiwa

Aiwa XD-DV370 operating instructions

Sony DVP S530D operating instructions

Sony

Sony DVP S530D operating instructions

Denon DVM-1805 - DVD Changer operating instructions

Denon

Denon DVM-1805 - DVD Changer operating instructions

Toshiba SD-3815 owner's manual

Toshiba

Toshiba SD-3815 owner's manual

manuals.online logo
manuals.online logoBrands
  • About & Mission
  • Contact us
  • Privacy Policy
  • Terms and Conditions

Copyright 2025 Manuals.Online. All Rights Reserved.

SERVICE MANUAL
Model:
DVP4799KDMC
DVD PLAYER
www.akai.ru
1. General Section
1.1 Cautions/Warnings
1.1.1 Product Safety Notice
Parts marked with the symbol in the schematic diagram have critical char-
acteristics.
Use ONLY replacement pares recommended by the manufacturer.
It is recommended that the unit be operated froma suitable DC supply or batter-
ies during initial check out procedures.
1.1.2 Leakage Current Check/Resistance Check
Before returning the unit to the customer, make sure you make either (1) a
leakage current check or (2) a line to insulated resistance check.
If the leakage current exceeds 0.5 milliamps , or if the resistance from chas-
sis to either side of the power cord is less than 240 K ohms, the unit is defec-
tive.
WARNING: DO NOT return the unit to the customer until the problem or loca-
ted and corrected.
1.2. Safe Warnings
1.2.1. Protection of Eyes from Laser Beam
To protect eyes from invisible laser beam during servicing
DO NOT LOOK AT THE LASER BEAM
WARNING HIGH VOLTAGE INSIDE TO PREVENT
ELECTRICAL SHOCK DO NOT REMOVE ANY CO-
VER OR SCREW. REFER ALL SERVICING TO QU-
ALIFIED SERVICE PERSONNEL. DO NOT ALLOW
THIS PRODUCTION BE EXPOSED TO RAIN OR
MOISTURE. DISCONNECT THIS MAINS PLUG
FROM THE SUPPLY SOCKET WHEN NOT IN
USE.
CAUTION
RISK OF ELECTRICSHOCK
DO NOT OPEN
Page 2
1.2.2 Laser Caution
CAUTION
Adjusting the knobs, switches, and controls , ect. Or taking actions not
specified herein may result in a harmful emission of laser beams.
This CD Changer must be adjusted and repaired only by qualified serv ice
personnel.
THIS IS COMPACT DISC PLAYER IS CLASSIFIED AS A CLASS LASER
PRODUCT.
THE LASS 1 LASER PRODUCT LABEL IS LOCATED ON THE REAR EX-
TERIOR.
1.3. Precautions
1.3.1. ESD Precautions in Repairing
1.3.1.1 Do not apply excessive pressure on the mechanical parts (movi-
ng pares), including the Pickup Block, as extremely high mechanical pre-
cision or required in these parts.
1.3.1.2 When soldering the microprocessor and signal processing IC s,
use a ceramic soldering iron or a soldering iron whose metal part is grou-
nded since they are not resistant to static electricity.
1.3.1.3 When removing the solder or soldering the laser shorting lands
for the Pickup Block, use a ceramic soldering iron or a soldering iron wh-
ose metal part is grounded since the laser diode or not resistant to static
electricity.
CAUTION- INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS
DEFEATED AVOID EXPOSURE TO BEAM.
VORSICHTI- UNSICHTBARE LASERSTRAHLUNG TRITT AUS. WENN DECKEL
GEOFFNET UND WENN SICHERHEITSVERRIEGELUNG
uBERBRuCKT IST. NICHT DEM STRAHL AUSSETZENI
VARNING- OSYNLIG LASERSTRALNING NAR DENNADEL AR OPPNAD OCH
SPARR AR URKOPPLAD STRALEN AR FARLIG.
ADVARSEL-USYNLIG LASERSTRALING VED ABNING NAR
SIKKERHEADSAFBRYDERE ER UDE AFFUNKTION. UNDGA
UDSAETTELSE FOR STRALING.
CLASS 1 LASER PRODUCT
LUOKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT
Page 3
1.3.2. DVD Loading Unit Precautions When handing the
Mechanism Block
1.3.2.1 Do not loosen any screws in the Pickup Block.
1.3.2.2 Do not adjust any screws in the Mechanism Block except for
Tilt Adjust Screws , as they are adjusted precisely at the factory.
1.3.2.3 Replacement of the Pickup Block is impossible. Always repl-
ace the Traverse Ass s when the Pickup Block needed to be replace .
Do not touch the lens or lens holder of the Pickup Block.
1.3.2.4 The Guide Rails of the Pickup Block are greased. Take care wh-
en handing.
1.3.2.5 When you try to slide the Pickup Block, do not press or pull it
directly, Always turn the dive gears with your fingers.
1.3.2.6 Be sure that the anti-slipping rubber on the turnable or clean.
If there is dust or it is greasy,clean the part with the liquid that contains
50% each of alcohol and water.
1.3.2.7 When removing the Mechanism P.C.B. Ass s, you need to sho-
rt-circuit the laser diode shorting lands beforehand.
1.4. Software Upgrade
You can upgrade DVD player using the software we provide as following step:
The CD-R update is below lists:
First, burn CDR for upgrade. Dummy files are needed minimum 20Mbytes.
The burning software is Nero burning soft:
1. Volume name: MTK
2. Files name and type: MEDIATEK .BIN ( This file must locate Root directory)
3. CD-R burn type(formate): ISO9660
Model 1
ISO1 (level 1)
don t choice Jolient
don t choice loosen ISO strict
Notice: MTK and MEDIATEK .BIN are upper case.
The CD upgrade process:
After the servo read the CD-R data ,Show Message on TV :
Page 4
UPGRADE FILE DETECTED
UPGRADE ?
PRS CHOOSE (1-8Bit 2-16Bit)
Press 1 key , Show Message on TV
UPGRADE FILE DETECTED
UPGRADE ?
File Copy
The tray is automatic to open, take disc away.
UPGRADE FILE DETECTED
UPGRADE ?
Upgrading
At this time, please wait a few minutes, DVD is downloading code to flash, After
Logo will be show on TV again, the update process finish.
Notice: During upgrading , don s turn off power.
Displaying the software Version Number
After opening the tray, press the following keys on the remote control ,
DISPLAY (Up) (Down) (Left) (Right)
then the software version number appears.
Page 5
Page 6
MPEG Circuit Diagram and Component Layout
Page 7
MPEG Circuit Diagram and Component Layout
Page 8
MPEG Circuit Diagram and Component Layout
Page 9
MPEG Circuit Diagram and Component Layout