Proview RA583 Service Manual Download Page 3

 

 

 

WARNING

 

 

To prevent from fire or shock hazard,do not

 

expose monitor to  any rain or any form of water.High voltage is 

inside the monitor so please do not remove the back cover of the cabinet if you are not a qualified 
monitor engineer.Contact the local dealer or the nearest 

Proview

 branch office if you need help. 

 

 

A.

 

IMPORTANT SAFETY INSTRUCTION 

 

Prior to using this service manual,please ensure that you have carefully followed all the procedures  outlined in 
the user's manual for this product. 

1.

  Read all of  these instructions. 

2.

  Save these instructions. 

3.

  Follow all warnings and instructions a marked on the product. 

4.

  Unplug this product from the wall outlet before cleaning.Do not use liquid cleaners or aerosol 

     cleaners, use a damp cloth for cleaning. 

5.

  Do not use this product near water. 

6.

  Do not place this product on an unstable cart,stand or tablle.The product may fall,causing serious 

     damage to the product. 

7.

  Slots and openings in the cabinet and the back or bottom are provided for ventilation,to ensure 

     reliable operation of the product and to protect it from overheating,those openings must not be 
     blocked or covered.The openings should never be blocked by placing the product on a bed,sofa, rug, 
     or other similar surface.This product should not be placed in a built-in installation less proper  
     ventilation is provided.  

8.

  This products should be operated from the type of power source indicated on the marketin label. 

     If you are not sure of the type of power available, consult your dealer or local power company  

9.

  This product is equipped with a 3-wire grounding type plug,a plug having a third (grounding) 

      pin.This plug will only fit into a grounding-type power outlet.This is a safety feature,if you are 
      unable to insert the plug into the outlet,contact your electrician to replace your obsolete outlet.Do 
      not defeat the purpose of the grounding-type plug. 

10. 

Do not allow anything to rest on the power cord.Do not locate this product where persons will walk 

       on the cord. 

11.

 If an extension cord is used with this product,make sure that the total of the ampere ratings on the 

      product plugged into the extension cord to the waplugged into outlet does not exceed 15 ampere. 

12. 

Never push objects of any kind into this product through cabinet slots as they may touch dangerous 

      voltage points or short out parts that could result in a risk of fire or electric shock.Never spill liquid 
      of any kind on the product. 

13.

 Do not attempt to service this product yourself,as opening or removing covers may expose you to 

      dangerous voltage points or other risks.Refer all servicing to service personnel. 

14.

 Unplug this product from the wall outlet and refer servicing to qualified service personnel under the 

      following conditions. 

a.

 

When the power cord or plug is damaged or frayed. 

b.

 

If liquid has been spilled into the product. 

c.

 

If the product has been exposed to rain or water. 

d.

 

If the product does not operate normally,when the operating instructions are followed.Adjust 

    only those controls that are covered by the operating instructions since improper adjustment of  
    other controls may result in damage and will often require extension work by a qualified 
   technician to restore the product to normal operation. 

e.

 

If the product has been dropped or the cabinet has been damaged. 

f.

 

If the product exhibits a distinct change in performance,indicating a need for service.

 

Summary of Contents for RA583

Page 1: ...RA583 Service Manual...

Page 2: ...RUCTION 1 B S P E C I F I C A T I O N S 2 C T I M I N G C H A R T 3 D C O N T R O L L O C A T I O N 5 E CONDUCTIONVIEW 6 F ADJUSTMENTPROCEDURE 11 G T R O U B L E S H O O T I N G H I N T S 1 2 H B L O...

Page 3: ...a plug having a third grounding pin This plug will only fit into a grounding type power outlet This is a safety feature if you are unable to insert the plug into the outlet contact your electrician to...

Page 4: ...rtical 70 Degrees 60 Degrees 13 Power Source 90 264Vac 60 50 Hz 14 Power Consumption 48W max 15 Connection Type 15 Pin D Type 16 Input Signal Video Sync Analog R G B 0 7Vp p 75 Ohms TTL level positive...

Page 5: ...270us 2 032us 3 813us 3 813us 2 000us 3 200us 2 400us D Back Porch 1 907us 1 907us 1 589us 3 063us 3 810us 3 810us 1 907us 1 907us 3 556us 2 200us 1 280us E Front Porch 0 636us 0 636us 0 954us 3 064u...

Page 6: ...Syn 1 616us 2 182us 2 092us 1 813us 1 219us D Back Porch 3 232us 1 745us 2 462us 1 920us 2 235us E Front Porch 0 323us 1 31us 0 369us 0 321us 0 203us F V 75 000Hz 75 087Hz 60 004Hz 70 069Hz 75 029Hz...

Page 7: ...D CONTROL LOCATION Font control panel 1 Power Button 2 2 LED Power Display 3 Menu Button 4 Select Button 5 Auto Button...

Page 8: ...E CONDUCTION VIEW MAINBOARD ComponentSide...

Page 9: ...MAIN BOARD Component Side...

Page 10: ...MAIN BOARD Solid Side...

Page 11: ......

Page 12: ......

Page 13: ...ry mode PC or Pattern generator Crosshatch Pattern 31 5KHz 640x480 1 Hold key then turn the power switch of the monitor OFF 2 Hold key then turn the power switch of the monitor ON 3 You can into facto...

Page 14: ...O NO YES YES YES YES NO NO High Voltage NO YES YES NO NO YES No Display Black LED ON Push the power ON OFF switch LED Color change Check main board U2 Pin2 Hi Lo under push power sw Back light ON To S...

Page 15: ...B Nice Job...

Page 16: ...NO YES YES NO YES NO B Hi Lo under push power sw Change the Inverter Display Nice Job To Step 2 A Check the connection of CN8 cable Display Nice Job Change the main board Change the main board...

Page 17: ...S YES YES YES NO NO YES Step 2 Check the main board 12V 5 0 V Check U10 U11 TR1 H V input Signal Check the main board U7 Pin 5 Change U9 Check H V Signal Display Nice Job Change Signal Cable Check F1...

Page 18: ...YES NO NO YES No display White Check the main board 5V 3 3V H V Input Signal Check the main board U9 Pin3 Change U9 Check H V Signal Display Nice Job Change Signal Cable Check U10 U11 TR1 Check U8 U1...

Page 19: ......

Page 20: ...SDA SCL POWER ADAPTER 12V SWITCH POWER SUPPLY AND 3V 5V 12V C O N N E N T VGA IN 12PIN D D C 24C21 EEPROM ADC SCALER LVDS LVDS MCU 24C16 EEPROM INVERTER 12V C O N N E N T FUNCTION KEY 8PIN LCD PANEL L...

Page 21: ...I SCHEMATIC DIAGRA...

Page 22: ...14 47K R15 10K NP R59 0 NC R62 0 NC R21 10K NC C3 5PF C7 5PF C10 5PF C5 0 1uF D7 DAN217K NP A C AC R7 0R R5 0R C148 0 1uF C147 0 1uF D6 DAN217K NP A C AC U3B 74LVC14 SOP14 3 4 14 7 U2 24LC21A 1 2 3 4...

Page 23: ...0 1uF C25 47nF C50 0 1uF R84 NC R88 NC C72 NC C73 NC C49 0 1uF R34 3 3K Y1 XTAL14 31818 C30 0 1uF C46 0 1uF C54 0 1uF R36 430 C31 0 1uF C34 0 1uF R106 NC R64 4 7K C23 39nF C47 0 1uF R37 1 5M C28 18pF...

Page 24: ...K C69 0 1uF C60 0 1uF U7 24C16 5 6 8 4 1 2 3 7 SDA SCL VCC GND NC0 NC1 NC2 WP JP1 HDR_RA30X2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39...

Page 25: ...GND GND GND BE1 GND BO3 BO1 D DE2 CNA1 XF2H 4015 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 CNA2 XF2H 3615 1 1 2 3 4 5 6 7 8 9 10...

Page 26: ...6 C156 10uF 16V C155 10uF 16V C127 0 1uF C132 0 1uF C157 0 1uF C129 220uF 16V R90 300 R89 680 U15 LM1117 G O I TAB ADJ Vo2 Vin Vo4 L24 BE0805 C71 0 01uF C70 0 1uF C43 220uF 16V F1 FUS1206 5A 1 2 C103...

Page 27: ...1 12 13 28 26 25 24 22 21 19 18 17 15 29 GND GND GND GND GND VDD VDD VDD Shutdown Gain Select Mode Mute DC_Vol Right Dock Right In Beep In Lift In Left Dock Right Out Right Out Right Gain2 Right Gain1...

Page 28: ......

Page 29: ...Memu...

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