Acer RA19WAANU service manual Go to cover

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Important Safety Notice

ACER X193HQ

 

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Product Announcement:

This product is certificated to meet RoHS Directive and Lead-Free produced definition. Using approved critical components only is recommended when the situation to replace defective parts. Vender assumes no liability express or implied, arising out of any unauthorized modification of design or replacing non-RoHS parts. Service providers assume all liability.

Qualified Repairability:

Proper service and repair is important to the safe, reliable operation of all series products. The service providers recommended by vender should being aware of notices listed in this service manual in order to minimize the risk of personal injury when perform service procedures. Furthermore, the possible existed improper repairing method may damage equipment or products. It is recommended that service engineers should have repairing knowledge, experience, as well as appropriate product training per new model before performing the service procedures.

NOTICE:

!To avoid electrical shocks, the products should be connect to an authorized power cord, and turn off the master power switch each time before removing the AC power cord.

!To prevent the product away from water or expose in extremely high humility environment.

!To ensure the continued reliability of this product, use only original manufacturer’s specified parts.

!To ensure following safety repairing behavior, put the replaced part on the components side of PWBA, not solder side.

!To ensure using a proper screwdriver, follow the torque and force listed in assembly and disassembly procedures to screw and unscrew screws.

!Using Lead-Free solder to well mounted the parts.

!The fusion point of Lead-Free solder requested in the degree of 220°C.

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Contents Service Go to cover SUB Connector Pin Description SUB Description DVI-I/DVI-DIf using DVI-D cable,C1,C2,C3,C4,C5 is NCUser Controls and Indicators Power On / Off Switch OSD adjustmentPower Supply Requirements KHz MHzBacklight Requirements General Requirements Display Communications ChannelPanel Timings Defects Inspection Spec Main OSD Menu Outline Description for control function O l w h it eOSD Manu Exploded Diagram Packing Exploded Diagram Exploded Diagram Product Exploded Diagram Plug in parallel direction Angel 5 degrees S10 S18 USER’S Manual Turn over the LCD monitor screen faced up Separating all of the locking mechanismFront bezel in turn S14 S15 S16 Use properly force to pull up front bezelS20 Does OSM display when you push Proceed buttom Next Circuit section Troubleshooting Checking the back light unit Troubleshooting Abnormal screen for VGA Troubleshooting Abnormal screen For the DVI Troubleshooting Abnormal OSM display adjust problem Abnormal plug and play operation for VGA Troubleshooting Abnormal plug and play operation For the DVI Checking the control circuit of vertical sync pluse Troubleshooting Checking the resolution change IC movement Troubleshooting Checking the DC/DC converter circuit Firmware Upgrade Process Go to cover Cedid Go to cover Interface Board LCD Flat Panel