Akai PDP4247 Service Manual
Plasma Display
Service Manual
PDP4247
E-Mail: customercare@akausa.com
Technical Support
800-726-4405
Contents
Page
1. Important Information 1
2. General Information 2
3. Safety Precautions 3
4. Specification 4
5.Peripheral Equipment Connecting 5
6. Circuit Description 6~7
7. C
. BLOCK DIAGRAM 8
. AC FILTER 9
. VIDEO DISPLAY BOARD 10
. DC POWER BOARD 11
. ASSEMBLY DRAWING 12
8. Trouble Shooting Flow Chart
. ASSEMBLY CHART 13
. SET TEST CHART 14
. VIDEO DISPLAY CHART 15
9. Trouble Shooting Handy Tips 16
HAPTER BLOCK DIAGRAM & SCHEMATIC
Impor tant Information
WARNING
SHOCK ! DANGEROUS !
DO NOT OPEN REAR COVER
WARNING:
1.This is a Class A and Class B product. In a domestic
environment this product may cause radio interference in
which case the user may be required to take adequate
measures.
2. TO REDUCE THE RISK OF FIRE AND ELECTRIC
SHOCK, DO NOT EXPOSE THIS PRODUCT TO RAIN OR
MOISTURE..
This lightning flash with arrow head s ymbol, within an
equilateral triangle, is intended to alert the user to the presence
of uninsulated "dangerous voltage" within the product's
enclosure that may be of sufficient magnitude to constitute a
risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended
to alert the user to the presence of important operating and
ma int en anc e (s erv ic ing ) in str uctio ns in t he l ite ratur e
ccompanying the appliance.
1
General Information
IMPORTANT:
Front View
Rear View
Power
LED
MENU
ENTER
UP
DOWN
+
_
POWER SWITCH
ON OFF
AC 90 ~ 240 V
INPUT
FUS EFUS E
S-VI DEO
INPU T
AUDI O
INPU T
AV2
AV1
AV1
AV3
Pr Pb Y
2
ANAL OG VGA
INPU T
DVI
INPU T
AV2
AV1
1
2 3
S-VI DEO
AV3
INPU T
4 5
COMP ONENT
AUDI O
OUTP UT
Safety Precautions
Please read the following directions carefully before using the machine.
. Read each direction carefully, and retain for future reference.
. Please keep the manual well.
. Please follow the information to operate this machine.
. Clean the machine with a slightly damp soft cloth. Do not use spray
detergent and abrasive solvent. It can damage the machine screen coating
layer.
. Place the machine on a solid base to avoid dropping and danger.
. For good ventilation of the machine, please do not place the machine on
surfaces such as bed, sofa or rug.
. Before operating the machine, make sure that the operating voltage of your
machine is identical with that of your local power supply, if there is any
unclear, please contact with sales dealer.
. Use only the accessory power cord designed for this product to prevent
shock.
. Do not put anything under the power cord to avoid tramping.
. If using the same power source with other equipments, please make sure
the total current does not over 15A.
. Never attempt to repair a defection of the machine by yourself. Always
consult a skilled machine service personnel.
. When the following situations happen, please contact the qualified engineer:
A. The power cord or the power socket has damaged.
B. If any liquid or solid object fall into the machine through the ventilation
holes.
C. Exposing the machine to rain or excessive moisture.
D. The function does not follow the user manual.
E. The machine has ever been dropped or the glass has been broken.
F. The function of machine has clear changes.
. The plasma panel has been built using extremely precise and sophisticated
technologies; More than 99.99% of its pixels are effective. A minute
number of pixels are missing or constantly lit.
. Do not display the same picture (pattern) for a long period of time (Do not
exceed 20 min). This may cause images remain.
. No further notice will be provided if the specification and design subjects
have been changed.
. Release the battery of remote controller after long-time replacement (over 1
month) and avoid making destruction of remote controller by liquid.
.
.
3
Peripheral Equipment Connecting
AUDI O
INPU T
DVD Pla yer
VHS Pla yer
Compu ter
POWER SWITCH
ON OFF
AC 90 ~ 240 V
INPUT
FUS EFUS E
S-VI DEO
DVD S -Vide o Out put
DVD I mage Ou tput
AV1
AV1
INPU T
DVD YPbPr O utput
Ana logue P C Outpu t
AV2
Pr Pb Y
AV3
DVD Au dio Out put
ANAL OG VGA
INPU T
DVI
INPU T
AV1
AV2
2 3 4 5
1
COMP ONENT
AUDI O
OUTP UT
S-VI DEO
AV3
INPU T
Ampli fier
Dig ital PC O utput
Aud io Inpu t
5
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