Acer RA19WAANU service manual USER’S Manual

Page 16

4. Assembly and Disassembly Procedures (continued)

ACER X193HQ

15

4.2 Disassembly procedures

Open the carton with a proper tool.

S1

FEATURE LABEL

VISTA LABEL

Take out all accessories including D-SUB

S2 cable power cable, DVI cables, user’s manual, and packing material from the carton. (Note: It depends on whether users returning the accessories.)

POWER CABLE

D-SUB CABLE

DVI CABLE

USER’S MANUAL

Take off two cushion foams

S3

S4

S5

S6

Go to cover page

Put returned unit on a protective cushion,then remove LDPE+EPE bag.

Tear off tapes to remove the screen protector card then turn over the LCD monitor (screen faced down),

Disassemble the stand cover.

Use a Phillips-head screwdriver unscrew 4 screws to release the stand base.

(No1~4 Screw Size=M4x10;

Torque=12±1KGFxCM).

21

34

Use a Phillips-head screwdriver unscrew 1 screw

S7 (No1 Screw Size=M4x10; Torque=7.5~9.5KGFxCM).

1

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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 MHzPanel Timings Display Communications ChannelBacklight Requirements General Requirements 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 Front bezel in turn Separating all of the locking mechanismTurn over the LCD monitor screen faced up 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