Proview 786PF service manual Important Safety Instruction

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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 MAG 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.

For Model 786PF

WARNING : This product included critical components which are essential for X-Radiation safety.

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Contents 786PF Table of Contents Important Safety Instruction Specifications OFF SDASCL Control Location Adjustment Control Location FBT MAX GNDABL Static Page Page Block Diagram Page Page Page Page Page Bright HOR. LINEH. Trouble Shooting Hints Raster Deflective HOR. CKT Vesa Standard Dpms LED No Rotation Missing ONE Color CRT KG Work Replacement Parts List 1MΩ 1KΩPage PTC 1KΩ R-NF82KΩ R-MNF 2W NTC2K,VR 75KΩ R-MNF1KV PHM 2KVNPO PHMCRT Socket MEMMPP 1KVCPU HSB772SHMPSA44 HZ30V HZ5C1HZ13V HZ18VFBT Power CordSignal Cable CRTMain Board Soild Side Schematic Diagram Memo Page Page Page Page