Akai PDP4249G Service Manual
Plasma multimedia monitor
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- Service manual (22 pages) ,
- Service manual (22 pages)
Table of Contents
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Summary of Contents for Akai PDP4249G
- Page 1 AKAI PLASMA MULTIMEDIA MONITOR SERVICE MANUAL MODEL NO. : PDP4295ED PDP4249G PDV42S10...
- Page 2 CONTENTS Page I M P O R T A N T I N F O R M A T I O N G E N E R A L I N F O R M A T I O N S A F E T Y P R E C A U T I O N S S P E C I F I C A T I O N P E R I P H E R A L E Q U I P M E N T C O N N E C T I N G...
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Page 3: Important Information
IMPORTANT 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. -
Page 4: General Information
GENERAL INFORMATION IMPORTANT: When the set is switched on , do not shift or move the set around. Sometimes it may develop an unevenness in colour in some parts of the screen. This can be eliminated by switching off the set with the main power button (rear site) and wait for 10 minutes before switching on again. -
Page 5: Safety Precautions
SAFETY PRECAUTIONS Please read the following direction carefully before using this 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. - Page 6 SPECIFICATION (1)input signal ：S-Video、composite、Component、Analog RGB、DVI、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、480P、576i、576P、720P、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...
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Page 7: Peripheral Equipment Connecting
PERIPHERAL EQUIPMENT CONNECTING A N T / C A B L E I N RS-232 AUDIO AUDIO INPUT OUTPUT INPUT COM2 COM1 S-V/DVI AV/VGA COMPONENT AC 90 240 V POWER SWITCH P b ( C b ) P r ( C r ) INPUT A N A L O G V G A I N... -
Page 8: Circuit Description
CIRCUIT DESCRIPTION 1. DC POWER SUPPLY This is the DC power supply inside the PDP, in which Cn1 connected with alternating current (AC) through inductance filter (L1), rectification bridge (BD1) IC, transformer (T1), D3, D4, to CN2 output with 5V and 12V direct current. The range of the AC output is from 90V to 264V and frequency is from 50Hz to 60Hz. -
Page 9: Video Display Board 7
2. VIDEO DISPLAY BOARD This is the signal inside the PDP and audio device disposition. 1) It can receive composite signal including R.G.B.H.V. contrast signal, DVI digital signal, AV color distinction signal and S-Video..etc. R.G.B.H.V. & Y Pb Pr :The signal is input from (15 PIN) J1 & J1 to U6 to perform contrast signal ,then transform to digital signal and enter to U29 , the signal is passer to U33 for the output of... -
Page 10: Block Diagram
CHAPTER BLOCK DIAGRAM B L O C K D I A G R A M PANEL TUNER AMPLIFIER BOARD BOARD VIDEO P O W E R BOARD EMI BOARD... - Page 11 2 . A C F I L T E R 1 . A C I N P U T T O C 1 2 . C 2 T O E M I B O A R D J 1...
- Page 12 3 . E M I B O A R D 1 . A C F I L T E R C 2 T O J 1 2 . J 2 T O P A N E L & D C P O W E R C N 1...
- Page 13 4 . D C P O W E R B O A R D 1 . E M I F I L T E R J 2 T O C N 1 2 : C N 2 T O M O N I T O R B O A R D...
- Page 14 5 . V I D E O D I S P L A Y B O A R D J p 1 8 J p 1 J 2 5 J p 1 1 J 1 7 J p 1 7 J p 3 1 .
- Page 15 6 . A M P L I F I E R B O A R D 1 . V I D E O B O A R D J 4 T O J P 1 2 . D C P O W E R B O A R D C N 2 T O J P 2 3 .
- Page 16 7 . T U N E R B O A R D J 1 J p 1 C A B L E I N 1 . V I D E O B O A R D J P 1 7 T O J P 1 2 .
- Page 17 8 . A S S E M B L Y D R A W I N G...
- Page 18 TROUBLE SHOOTING FLOW CHART 1 . A S S E M B L Y C H A R T Y E S Y E S Y E S...
- Page 19 2 . S E T T E S T C H A R T C H E C K 1 . A C I N P U T V I D E O D I S P L A Y 2 .
- Page 20 3 . V I D E O D I S P L A Y C H A R T C H E C K C A B L E R G B I / O S I G N A L D V I I / O 3 .
- Page 21 TROUBLE SHOOTING FLOW CHART In the even of problems with the display, check the following explanations before contacting your dealer for servicing. Problem Action C h e c k w h e t h e r t h e p o w e r p l u g i s s e c u r e l y i n s e r t e d Power does not turn ON.
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