Proview P6NS Series service manual Important Safety Instruction

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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.

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Contents P6NS Series Table of Contents Important Safety Instruction For Model 786NS,986NS Series 30 70 KHz ----- 572NS Series OFFSDA 100W max. -----777NS,786NS Series772NS Series 787NS Series17.56 × 18.11 × 18.70 inch Video Sync Period Active Sync Width Back Porch Front porch Timing ChartControl Location FBT ﹫Pattern Value ﹟Test Meter Adjusting ﹡Test Point OperationAdjust PresetBalance Operation Adjusting Value PresetBackground WhiteStatic Operation Adjusting Value DynamicFocus PurityPage Page Block Diagram Page Page Page Page Page Bright HOR. LINEH. Trouble Shooting Hints Line Check Raster CRT G1 Deflective HOR. CKT Vesa Standard Dpms 7V Line Noosdcharactersdoes not Missingworkone Replacement Parts List Location Parts Number Parts Description ’ty 1KΩ1MΩ R2A7 Open R992,716,722,722A 986NS,787NS,786NS 7KΩ 82KΩ R-MNF 1KΩ R-NF75KΩ R-MNF NTCPTC 30Ω R-MNFR781 986NS,787NS,786NS Open 772NS Short R780 R794 82KΩ 1KV PHM 2KVNPO PHMMEM MPP1KV BSN254A CRT SocketCPU HSB772SHZ13V HZ5C1HZ56V Signal CableHZ18V HZ30VHER308G PFC Assembly Kit For 17/19CRT FBTConduction View Main Board Soild Side Schematic Diagram