Akai PDP42S10, PDP4249G, PDP4295ED Service Manual
AKAI
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SERVIC
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CONTENTS
Page
1 . IMPORTANT INFOR MATION 1
2. GENERAL INFORMATION 2
3. SAFETY PRECAUTIONS g
4. S P E CI F IC A TI O N
5. PERIP HER AL EQUIPMENT CONNECTING
6 . C IR C U IT DESC RI PTI ON
DC POWER S U P P L Y
V I DE O DI SPLAY BOAR D
7. CHAPTER BLOCK DIAGRAM
BL O C K DI A G R A M
AC FI LT E R
E M I BOARD
DC POWER BOAR D
V I DE O BO ARD
AM P L I F I ER BO ARD
TU N ER BO ARD
A S S E M B L Y DR A WI NG
8. TROUBLE SHOOTING FLOW CHART
10
11
12
13
14
15
4
5
6
7
8
9
. A S S E M B L Y CH AR T
. SE T T E ST C HA RT
. VIDE O D I S PLAY C HA RT
9. CLEANIN G AND MAINTENANCE HANDY TI PS
16
17
18
19
1
IMPORTANT INFORMATION
W A R N IN G : 1. This is a Class A and Class B product;. In a domestic environment this
IM PORTANT
A
!
productmay 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 arrowhead symbol, within an equilateral triangle,
is intended to alert the user to the presence of uninsulated
"dangerous voltage" within the product's enclosure thatmay be of sufficient
magnitude to constitute a risk of electric shock.
The exclamation point within an equilateral triangle is intended to alert
the user to the presence of important operating and maintenance
(servicing) instructions in the literature accompanying the appliance.
2
GENERAL INFORMATION
IM PORTANT:
W hen the setis switched on , do notshiftor m ove the setaround .
Som etim es itm ay develop an unevenness in colour in som e parts
of the screen . This can be elim inated by sw itching off the setw ith
the m ain pow er button (rear site) and waitforlO m inutes before
sw itching on again . If the situation rem ains, callfor Service.
Front View
Rear View
- + < > DD ©
0 0 0 0 0 0 • 0 •
I
-----
Pow er
-------
I
----------
1
-------------
I----------------Select Up
I
------------------
I
____________
------------------------Volume -
LED
M enu
Enter
Select Down
Volume +
3
SAFETY PREC AUTIO NS
Please read the follow ing direction carefully before using this m achine.
. 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
qualified engineer.
A . The power cord or the power socket has damages.
B . If any liquid or solid object fa ll into the machine through the
ventilation holes.
C . Expose 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 plasm a panel has been b u ilt using extrem ely precise and
sophisticated technologies; M ore than 99.99% of its pixels are
effective. A m inute num ber o f pixels are m issing or constantly lit.
. D o no t display the sam e picture (pattern )fo r a long period o f tim e
(D on 't exceed 20 m in.) . T his m ay cause im ages rem ain .
. N o further notice w il l be provided if the specification and design
subjects have been changed .
. T o release the battery o f rem ote controller after long tim e
replacem ent (over 1 m onth) and to avoid m aking
destruction o f rem ote controller by liquid.
.Whan none o p e r a ti o n th e p r od u c t s to r a gr i s su gge sted no t
. exced max of 6 mo n t h s . I f it i s t he exceed th e sug gest ed
.s t or a g e p er io d, the p r od u c t sh ou ld be a ct iv at e d f or 24 h r s.
.To e nsure th e qual i t y o f th e p ro d u c t.
4
SPECIFICATION
(1)input signal : S-Video N composite N Component N Analog RGB N DVI N NTSC RF
(2)video signal : 0.7Vp-p
(3)scan frequency : Analog RGB auto-sync H from 30 to 80KHz
V from 60 to 85Hz
DVI auto-sync H from 30 to 80KHz
V from 60 to 85Hz
Component : 480i N 480P N 576i N 576P N 720P N 1080i
Composite : Video sync
S-Video : Y-C separate sync
TV : NTSC 60Hz
(4)up data terminal : RS-232 DB-9 PIN
(5)Power supply : AC100-240 Volts universal
(6)Power consumption : 330W (Full White Pattern)
(8)Signal cable : 15PIN D-SUB " DVI-D " S-Video ' RCA Jack ' Speaker Jack "
AV Shielded Video cable
(9)OSD controls :
Video a section :
<1>Picture: H/V Position N Brightness N ContrastN Sharpness N
Color N Tint N Frequency N Phase N Auto Image
<2>Advanced: Gamma N Color Temperature N Color Management.
<3>Source: Analog RGB N DVI N Component1 N Component2 N
S-Video ' Video ' TV
<4>Function: Scaling N Zoom N White Pattern N Close Caption N
[PIP]Source N [PIP]Size N [PIP]H/V-Position
<5>Utility: Language N Video Standard N DPMS N
[OSD]H/V-Position N [OSD]Time O u tN
Picture Scrolling N Load Factory
<6>TV: Tuner Select N Channel N MTS N Channel Scan N V-chip
Sound a section :
VolumeN TrebleN BassN 4 steps BBE SelectsN SRS virtual Surround N
MTS STEREO Decoder
5
PERIPHERAL EQUIPM ENT CONNECTING
IB
A N T / C A B L B -2I2N
r 1
COM2 COM1 S-V/DVI AV/VGA
HH © HH @ HH e HH ® HH ®
— INPUT
DVI
INPUT VGA IN
ANALOG
COMPONENT
Y Pb(Cb) Pr(Cr
• • •
S-VIDEO
INPUT
CM OF F
Audio Inpu
VCR
1=1 ««•
Amp lifier
P
D V I-D O utput
m
R S-232
IN PU T
Dl>
A nalog RGB O utput
itenna/C able
re -
\ /
DVD S-Video Output
DVD Video Output
DVD Y Pb(Cb) Pr (Cr) Output
DVD Audio Output
6
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