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8 ACER H233H 2 OSD Menu Go to cover page The description for control function 2.1 MAIN OSD MENU a. Display OSD menu when user press “MENU” button on front bezel b. Layout as following figure 1-1 d. The definition of size and color for main menu e Icons instruction Function Picture OSD Setup Information Status Non-Focus Focus Focuson Item-page Figure 1-2 color & size definition for function Icons
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2. OSD Manu (continued) ACER H233H 9 Go to cover page f. Item page status c. The definition of color & size for the acer eColor management OSD Status Displaytype Non-focus Itemfocused Itemselected The description for control function Key Functiondescription Power Poweroffthemonitor Movingthefocusdown Entertotheitempage Menu 1.Ithasnofunctionattheinformation page. Auto ExittheOSDmenu e TriggertheacereColorManagement d. Icons introduction Key Functiondescription Power Poweroffth
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10 ACER H233H 2. OSD Manu (continued) Go to cover page Volume management OSD Power turn-off a. Display volume management OSD, when user press “<” or “>” button on front bezel. b. Layout as following figure 1-10, key operation at items page (No item selected) Key Functiondescription Menu Auto ClosevolumeOSD e input < Volumedown >Volumeup Stand-by then Input Signal c. The definition of color & size for the volume management OSD and file Normal Operation then remove Signal LED Light Effect in Soft-
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2. OSD Manu (continued) 11 ACER H233H Go to cover page
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12 ACER H233H 3. Exploded Diagram Go to cover page 3.1 Packing Exploded Diagram
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ACER H233H 13 3. Exploded Diagram (continued) Go to cover page 3.2 Product Exploded Diagram
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ACER
ACER_LCD_H233H_SM081126V1
Model ID:RB23WABAS
DBG DBG DPBU DPBU II II
Service
Service Manual
Table of Contents
Important Safety Notice------------------------------------------------------------------------------------- 01
01. Product Specification--------------------------------------------------------------------------------- 02
02. OSD Menu-----------------------------------------------------------------------------------------------08
03. Exploded Diagram---------------------------------
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Important Safety Notice ACER H233H 1 Go to cover page Product Announcement: This product is certificated to meet RoHS Directive and ! Using Lead-Free solder to well mounted the parts. Lead-Free produced definition. Using approved critical ! The fusion point of Lead-Free solder requested in the components only is recommended when the situation degree of 220°C. to replace defective parts. Vender assumes no liability express or implied, arising out of any unauthorized modification of design or repl
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14 ACER H233H 4. Assembly and Disassembly Procedures Go to cover page 4.1 Assembly procedures: Fix the speaker and speaker cable, The white line Connect the cable between power board(P802) S4 S1 intheleft,theredlineintheright. and interface board (P301) Connect the cable between power board(P003) and interface board(P308) Connect the USB board cable(P301) into interface board(P805) Connect speak cable into interface board(P001) Connect the FFC cable into interface board Connect the power key cab
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ACER H233H 15 4. Assembly and Disassembly Procedures (continued) Go to cover page Plug 2 lamp cables to the connectors of inverter Use a Phillips-head screwdriver screw 3 screws S11 S7 board. (No1~2 Screw Size=M3x10;No3 screw size=M3*6 Torque=4~6KGFxCM). 3 2 1 Use a Hex-head screwdriver screwed the DVI and S8 D-SUB connectors (No.1~4 Hex Nut screws Size=M3x8;Torque=4~6KGFxCM). Stick the safety tape S12 Connect OSD key cable into interface board(P306) 2 1 3 4 1 Take out the USB cable to through o
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16 ACER H233H 4. Assembly and Disassembly Procedures Go to cover page Use a Phillips-head screwdriver screwed the Stick the power key cable with tape. S17 S14 No.1(No1screw size=M3x4; Torque=5+/-1 KGFxCM). 1 Connect the power key cable. S15 Connect the power key board from front bezel, Put arc ear overontheassembledunitand Use a Phillips-head screwdriver screwed the S18 pm ress on force echanismslockedandfirmly No.1~2 screws(No1~2 screw size=M2x3.3; attached. Torque=1~1.5 KGFxCM). 4 4 3 3 2 2 2
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ACER H233H 17 Go to cover page Assemble the stand upper side to the rear cover Stick POP label on the correct position the same S23 S20 as below photo through the way of screwing 4 screws till both units firmly attached. (No1~4 Screw Size=M4x10; Torque=12+/- KGFxCM). 2 1 3 4 Assemble the hinge cover into both two sides. S21 Take a LDPE+EPE bag to cover the LCD S24 monitor. Stick a screen card on the front bezel with two S22 tapes. Take two cushion foams; one is held the top side S25 of LCD monit
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18 ACER H233H 4. Assembly and Disassembly Procedures (continued) Go to cover page Put accessories of stand, DVI cable, and S26 user’s manual ,power cable on specific positions as photo below. Move previous assembled parts into the carton S27 then stick Vista and feature label on the carton then packing the carton
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ACER H233H 19 4. Assembly and Disassembly Procedures (continued) Go to cover page 4.2 Disassembly procedures Put returned unit on a protective cushion,then Open the carton with a proper tool. S4 S1 remove LDPE+EPE bag. Tear off tapes to remove the screen protector card then turn over the LCD monitor (screen faced down), 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 whe
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2 ACER H233H 1. Product Specification Go to cover page This model combine with three platform. See below The LCD monitor consists of an interface board, a power board explanation. and inverter board, a function key board. 1.Scaler IC:RTD2482D used in VGA ,DVI and HDMI port The interface board will house the flat panel control Using simply word to define it(1A1D1H) logic , brightness control logic, audio function control 2.Scaler IC:RTD2482 used in VGA and HDMI port. Using (option), key function
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ACER H233H 3 1. Product Specification (continued) Go to cover page Connector Pin Description 1.3.2.2 Video Signal Termination Impedance D-SUB Pin Description Pin Name Description This analog video signal termination shall be 75Ω 1 Red-Video Red video signalinput. 2 Green-Video Green video signalinput. 3 Blue-Video Blue video signal input. 1% which shall be resistive with a negligible reactive 4GND Ground 5 DDC-GND DDC ground for the VESA DDC2Bifunction. component. 6 Red-GND Analog signalground f
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4 ACER H233H 1. Product Specification (continued) Go to cover page 1.3.4 Monitor Modes and Timing Capability 1.3.3 User Controls and Indicators 1.3.3.1 Power On / Off Switch 1.3.4.1 Format and Timing The monitor shall synchronize with any vertical The monitor shall have a power control switch visible and accessible on the front of the monitor . frequency from 50 to 75 Hz , and with any horizontal frequency from 31 to 94KHz. If the input The switch shall be marked with icons per IEC 417 , # 5007
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ACER H233H 1. Product Specification (continued) 5 Go to cover page PRESET PC TIMINGS (ANALOG AND DIGITAL 1.3.5.3 Panel Timing and Interface INPUTS) The controller supplied with the monitor shall control all panel timing. This controller shall Resolution Resolution Horizontal Vertical NominalPixel Aspect adequately insulate the monitor from the computer, Mode (activedot) (totaldot) Frequency(KHz) Frequency(Hz) Clock(MHz) Ratio so that no possible combination of input signals VGA 640x480@60Hz 800
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ACER H233H 6 1. Product Specification (continued) Go to cover page 1.3.8 Display Communications Channel 1.4.4.Backlight Requirements The monitor assembly shall provide a display 1.4.4.1 General Requirements communications channel that conforms to VESA The backlight assembly shall be designed to DDC2Bi hardware requirements. This configuration support field replacement at the customer site or shall contain the 128-byte (HDMI 256-byte)EDID file authorized service center.The lamps shall have a as s
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ACER H233H 7 1. Product Specification (continued) Go to cover page 1.4.5.4 Allowable Defects AverageDiametersmallerof AcceptableNumber MinimumSeparation (L+W)/2orL/20+2W No cosmetic defects are allowed except those specified <0.1mm Noncountable N/ A below. The conditions of visual inspections are as 0.1mm~0.3mm 10 15mm follows : 0.31mm~ 0.5mm 10 15mm 0.51mm~ 1.25mm 5 15mm For 23 series 1.26mm~ 2.5mm 3 25.4mm Viewing distance is to be approximately 35-50cm 2.51mm~ 3.75mm 3 25.4mm Greaterthan3.75m
