Akai PDP4249G Скачать руководство пользователя страница 8 | Manualshive

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Akai PDP4249G Скачать руководство пользователя страница 8

CIRCU IT DESCRIPTION

1. DC POWER SU PPL Y

This is the DC power supply inside the PDP, in which Cn1 connected

with alternating current (AC) through inductance filte r  (L1),
rectification bridge  (BD1)  IC, transformer  (T1), D3, D4, to CN2 output
with 5V  and  12V  direct current;. The range o f the AC  output is from  90V  to
264V  and frequency is from  50Hz to 60Hz. The largest detrition

7

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Содержание PDP4249G

Страница 1: ...AKAI Dl u u u V SERVIC ...

Страница 2: ...P L Y V I D E O D I S P L A Y BOARD 7 CHAPTER BLOCK DIAGRAM B LO C K D IA G R A M AC F I L T E R E M I BOARD DC POWER BOARD V I D E O BOARD A M P L I F I E R BOARD TUNER BOARD A S S E M B L Y D R AW IN G 8 TROUBLE SHOOTING FLOW CHART A S S E M B L Y CHART S E T T E S T CHART V I D E O D I S P L A Y CHART 9 CLEANING AND MAINTENANCE HANDY TIP S 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 1 ...

Страница 3: ...UCT TO RAIN O R MOISTURE IMPORTANT A This lightning flash with arrowhead symbol within anequilateraltriangle is intended toalerttheuserto thepresenceofuninsulated dangerousvoltage within theproduct senclosurethatmay beofsufficient magnitude to constitutearisk ofelectric shock Theexclamation pointwithin anequilateraltriangle is intended to alert theuserto thepresenceofimportantoperating andmaintena...

Страница 4: ...nessin colourinsomeparts ofthescreen Thiscanbeeliminatedby switching offthesetwith themainpowerbutton rearsite andwaitforlO minutesbefore switching onagain Ifthesituationremains callforService FrontView D D 0 0 0 0 0 0 0 I P o we r L E D I Me n u 1 E nter I S electU p I SelectD ow n I ____________ Volum e Volum e Rear View 3 ...

Страница 5: ...ce personnel When the following situations happen please contact qualified engineer A The power cord or the power sockethas damages B If any liquid or solid objectfa ll into the machine through the ventilation holes C Expose the machine to rain or excessive moisture D The function does notfollow the user manual E The machine has ever been dropped or the glass has been broken F The function of mach...

Страница 6: ...N 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 NBrightness NContrastNSharpness N Color NTint NFrequency NPhase NAuto Image 2 Advanced Gamma NColor Temperature NColor Management 3 Source Analog RGB NDVI NComponent1 NComponent2 N S Video Video TV 4 Function Scaling NZoom NWhite Pattern NClose Caption N PIP Source N PIP Size N...

Страница 7: ... T C A B L B 2I2N IN P U T ite n n a Ca b le m D l DVI D Output AnalogRGB Output V C R 1 1 r e D V DS Video Output C O M P O N E N T Y Pb C b Pr C r C M O F F D V DVideo Output D V DYPb Cb Pr Cr Output D V D Audio Output A N A L O G D V I IN P U T V G AIN S V ID E O IN P U T RS 232 INPUT A m plifier P Audio Inpu 6 ...

Страница 8: ...he 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 The largest detrition 7 ...

Страница 9: ... n a l enters from J12 JP18 to U46 to perform signal then transform to U47 to decode perform s ig n a l then transform to U49 to deinterlace perform signal and enter to U29 the sig n a l passed to U33 fo r the o u tp u t o f v is u a l signal S Video S Video sig n a l in p u t from J12 to U47 to decode perform sig n a l then transform to U49 to deinterlace preform sig n a l and enter to U29 the si...

Страница 10: ...CHAPTER BLOCK DIAGRAM 1 BLOCK DIAGRAM 9 ...

Страница 11: ...2 A CFILTER 1 AC INPUT TO C1 2 C2 TO EMI BOARD J1 10 ...

Страница 12: ...3 E M I B O A R D 1 AC F IL T E R C2 TO J1 2 J 2 TO PANEL DC POWER CN1 11 ...

Страница 13: ...4 D CP O W E RB O A R D 1 1 EMI F IL T E R J2 TO CN1 2 CN2 TO MONITOR BOARD 12 ...

Страница 14: ...5 V ID E OD IS P LA Y B O A R D J p 1 8 1 J 17 TO PANEL 2 J P 1 7 JP3 TO TUNER BOARD 3 J 2 5 TO DC POWER 4 J P 1 1 TO KEYPAD 5 J 4 TO A M P L IF IE R BOARD 6 J 5 TO RS232 CONNECTOR 13 ...

Страница 15: ...6 A M PLIFIER B O A R D 1 VIDEO BOARD J4 TO J P 1 2 DC POWER BOARD CN2 TO JP2 3 JP3 TO RIGHT SPEAKER JACK 4 JP4 TO LEFT SPEAKER JACK 14 ...

Страница 16: ...7 T U N E RB O A R D Jp 1 CABLE IN 1 VIDEO BOARD JP17 TO J P 1 2 VIDEO BOARD JP3 TO J1 3 CABLE TO CABLE INPUT 15 ...

Страница 17: ......

Страница 18: ...0 0 ASSEMBLY DRAWING ...

Страница 19: ...TR O U B L ES H O O T IN GF L O WC H A R T 1 ASSEMBLY CHART 17 ...

Страница 20: ...2 S E T T E S T C H A R T 18 ...

Страница 21: ...3 V ID E OD IS P LA Y C H A R T 19 ...

Страница 22: ...es not indicated that the display has a problem Therearespotsonthescreen Check whether your A V equipment is affected by interference from automobiles trains high voltage transmission lines neon signs or other potential sources of interference Degradedcolour tints Check whether all picture adjustment have been properly made Improperscreenposition size Check whether screen position and size have be...

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