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44

Item

Description

TPV Part No.

ACER Part NO.

Q`ty

1 BEZEL

A34G1361AGBA1B0130

60.LHF0B.003

1

2

POWER MYLAR

Q05G6104 1

1

3

POWER BUTTON

A33G0714BDZ 1L0100

1

4

LED MYLAR

Q05G6104 1

1

5

LED COVER

A33G0713AGC 1L0100

1

6 MAIN

FRAME

A15G0820101

60.LHF0B.006

1

7 BASE

ASS'Y

Q37G0151011

60.LHF0B.005

1

9 REAR

COVER

A34G1362AEOA1M0100

60.LHF0B.004

1

10

CABLE COVER

A33G0715AGB 1X0100

1

11

IO COVER

A34G1365AGB 1B0100

1

S1

SCREW

0G1G1130 8120

3

S2 SCREW,42-D020523

0M1G1730

6120

3

S3

SCREW

0Q1G 930 8 47 CR3

4

S4

SCREW

0M1G 140 6125

4

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Содержание H235H

Страница 1: ...1 Acer H235H Service Guide ...

Страница 2: ...2 Service Guide Version and Revision Version Release Date Revision History Customer model TPV model HD9SA6MK8XAYDC A00 May 13 2009 Initial Release H235H HD9GA6MK8XABDC ...

Страница 3: ...buyer and not Acer Incorporated its distributor or its dealer assumes the entire cost of all necessary servicing repair and any incidental or consequential damages resulting from any defect in the software Intel is a registered trademark of Intel Corporation Pentium and Pentium II III are trademarks of Intel Corporation Other brand and product names are trademarks and or registered trademarks of t...

Страница 4: ...erference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television recep...

Страница 5: ...ose of the grounded plug z Unplug the unit during a lightning storm or when it will not be used for long periods of time This will protect the monitor from damage due to power surges z Do not overload power strips and extension cords Overloading can result in fire or electric shock z Never push any object into the slot on the monitor cabinet It could short circuit parts causing a fire or electric ...

Страница 6: ...16 Software Flow chart 17 Main Board Layout 19 Installation 21 Chapter 2 Operating Instructions 23 User Controls 23 Front Panel Controls 23 eColor Management OSD 24 How to Adjust a Setting 25 How To Optimize The DOS Mode 27 Enter into the factory mode 27 Chapter 3 Machine Disassembly 28 Chapter 4 Troubleshooting 35 Chapter 5 Connector Information 41 Chapter 6 FRU Field Replacement Unit List 43 Exp...

Страница 7: ...oduct with no radiation This will alleviate the growing health concerns It is also a space saving design allowing more desktop space and comparing to the traditional CRT monitor it consumes less power and gets less weight in addition MTBF target is 50k hours or more Chart of H235H Panel LTM230HT01 A03 003 SZ SEC Signal Interface D Sub 15pin DVI 24pin HDMI Sync Type Separate Compatible Color Temp U...

Страница 8: ...ear distributed gray scales 0 700mv can be distinguished Color temperature 6500 K Brightness control The value under user mode Analog Input signal 700 mVss Picture position and size Factory preset value Viewing angle 90 H and V Viewing distance 40 cm for LCD performance 20 cm for LCD failures Ambient illumination Dark room 1 cd m2 Measurement systems The units of measure stated in this document ar...

Страница 9: ...9 LCD Monitor General Specification ...

Страница 10: ...FHX2300 2 5 21 7 15 6 41 4 27 0 6 45 17 2 55 2 35 1 FHX2300 6 4 55 2 39 7 ...

Страница 11: ...phous silicon TFT Thin Film Transistor as switching components This model is composed of a TFT LCD panel a driver circuit and a back light unit The resolution of a 23 is 1920 x 1080 and this model can display up to 16 7 millions colors General Specifications Block Diagram TFT LCD Module Electrical Characteristics ...

Страница 12: ...11 Optical Specifications ...

Страница 13: ...12 ...

Страница 14: ...13 Factory Preset Timing of H235H ...

Страница 15: ...he flat panel control logic brightness control logic and DDC The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage Power Board Flat Panel and CCFL backlight Main Board Key board D SUB Signal CCFL Drive AC IN 100V 240V DVI Signal HDMI Signal ...

Страница 16: ...Include MCU ADC OSD U401 D Sub Connector CN402 H sync V sync RGB DVI Connector CN403 D Data D Clock EEPROM M24C02 U406 EEPROM M24C02 U405 EEPROM M24C02 U503 HDMI Connector CN501 PC_INL PC_INR Audio Digital to Analog converter PCM1754DBQR U601 Phone Jack CN605 Audio Power Amplifier TA6019A4 U603 Audio Output interface CN602 HDMI_INL HDMI_INR ...

Страница 17: ...05 PWM Control IC901 Transformer AC input 16V ON OFF Feedback Circuit Transformer PT801 MOSFET Q805 Q806 Lamp 5V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes Output Circuit PWM Control TA9687GN IC801 Power Switch Q901 Photo coupler IC903 5V 16V ...

Страница 18: ...17 Software Flow Chart N Y 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 ...

Страница 19: ... set it to green color Scalar initializes 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out an interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message disappears 17 Program the scalar ...

Страница 20: ...19 Main Board Layout ...

Страница 21: ...UMO58GDJ LF 1 U601 IC PCM1754DBQR SSOP 16 U402 IC EN25F20 100GCP U603 IC PA6019A4 X401 14 31818MHZ 32PF 49US0 CN401 WAFER U405 M24C02 WMN6TP CN402 D SUB 15PIN U406 M24C04 WMN6TP CN403 DVI 24PIN CONN F U503 M24C02 WMN6TP CN501 HDMI HEADER 19P SCREW HOLE ...

Страница 22: ... Connect one end of the 24 pin DVI cable to the back of the monitor and the other end to the computer s port 3 Connect one end of the 19 pin HDMI cable to the back of the monitor and the other end to the computer s port 2 Connect the power cord Connect the power cord to the monitor then to a properly grounded AC outlet 3 Turn on the monitor and computer Turn on the monitor first then the computer ...

Страница 23: ...e power cord you use is the correct type required for your area The monitor has a universal power supply hat allows operation in either 100 120 V AC r 220 240 V AC voltage area No user adjustment s required Plug one end of the power cord to the AC inlet and plug the other end into an AC outlet For units using 120 V AC Use a UL listed cord set type SVT wire and plug rated 10 A 125 V For units using...

Страница 24: ...ront panel of the monitor By changing these settings the picture can be adjusted to your personal preferences The power cord should be connected Connect the video cable from the monitor to the video card Press the power button to turn on the monitor position The power indicator will light up Front panel controls Chapter 2 ...

Страница 25: ...24 ...

Страница 26: ...25 How to Adjust a Setting ...

Страница 27: ...26 ...

Страница 28: ...o an OFF mode This reduces the monitor s internal power supply consumption After the video input signal is restored full power is restored and the display is automatically redrawn The appearance is similar to a Screen Saver feature except the display is completely off Pressing a key on the keyboard or clicking the mouse restores the display Using the Right Power Cord The accessory power cord for t...

Страница 29: ...tor H235H for maintenance The tool for disassembly is as follows Screwdriver Hexagonal screwdriver Putty knife Disassembly Procedure 1 Lay the monitor on a flat soft and clean surface 2 Remove the screw remarked in red to remove base 3 Remove the rear cover and bezel 1 Remove the rear cover Chapter 3 ...

Страница 30: ...29 2 Pry the monitor up then find out the hooks position use the tool like the picture or other card to insert into the gap of bezel and rear cover ...

Страница 31: ...30 Turn over the monitor and take off the rear cover 3 Remove the four screws remarked in red to remove the hinge ...

Страница 32: ...reen to remove the bezel PS be careful to Disconnect the Key board connector because the keyboard connector maybe damage 4 Remove the lamp connectors and the LVDS cable to remove the panel Key board install The audio cable should be layout as show ...

Страница 33: ...32 5 Remove the five screws remarked in red LVDS cable ...

Страница 34: ...33 6 Remove the five screws remarked in red and disconnected remarked in green to remove the main board and power board Power board Main board ...

Страница 35: ...34 7 The panel ...

Страница 36: ...o power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Reinsert or check the power section Check if X401 oscillate waveforms are normal Measure U104 Pin2 1 8V U103 PIN2 3 3V OK OK NG NG NG Check CN101 U104 and U103 Replace U401 Replace X401 NG OK ...

Страница 37: ...e U401 Replace X401 Measure U104 Pin2 1 8V U103 PIN2 3 3V Check Correspondent component Replace U401 X401 oscillate waveform is normal Check CN101 U104 and U103 OK OK OK OK OK NG NG NG NG Check reset circuit of U401 is normal Check HS VS from CN402 is normal Replace X401 Check Correspondent component NG NG OK ...

Страница 38: ...ase is low level X401 oscillate waveform is normal Check CN404 is solder and Q106 Q104 is OK Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK OK Replace X401 OK NG NG NG NG Check reset circuit of U401 is normal ...

Страница 39: ...ard OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Board Is Button Switch normally Replace Button Switch Y NG NG Is Key Pad Board normally Replace Key Board Y NG Y Check Main Board ...

Страница 40: ... rectified circuit and F901 circuit Check start voltage for the pin3 of IC901 Check R904 R905 and Change IC901 NG Check the auxiliary voltage is bigger than 11V and smaller than 25V 1 Check IC901 2 Check R909 D901 C908 C907circuit OK OK NG Check D906 D907 D908 IC903 Q903 ZD902 OK Check IC901 pin8 PWM wave OK NG NG NG OK NG Check IC901 ...

Страница 41: ...pter part Check ON OFF signal Check Interface board NG OK Check IC801 PIN10 16V NG OK Check ON OFF circuit Check IC801 PIN5 have triangle wave NG OK Change IC801 Check IC801 PIN8 PIN9 PWM wave NG OK Check Q805 Q806 IC801 Check the output of PT801 Check connecter lamp OK NG Change PT801 ...

Страница 42: ...41 Connector Information D sub connect and DVI connect 15 Pin Color Display Signal Cable 24 Pin Color Display Signal Cable Chapter 5 ...

Страница 43: ...42 19 pin color display signal cable ...

Страница 44: ... a part number change is made it will not be noted in the printed Service Guide For ACER AUTHORIZED SERVICE PROVIDERS your Acer office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide You MUST use the local FRU list provided by your regional Acer office to order FRU parts for repair and service of customer machines NOTE To scrap or to return the ...

Страница 45: ...MYLAR Q05G6104 1 1 5 LED COVER A33G0713AGC 1L0100 1 6 MAIN FRAME A15G0820101 60 LHF0B 006 1 7 BASE ASS Y Q37G0151011 60 LHF0B 005 1 9 REAR COVER A34G1362AEOA1M0100 60 LHF0B 004 1 10 CABLE COVER A33G0715AGB 1X0100 1 11 IO COVER A34G1365AGB 1B0100 1 S1 SCREW 0G1G1130 8120 3 S2 SCREW 42 D020523 0M1G1730 6120 3 S3 SCREW 0Q1G 930 8 47 CR3 4 S4 SCREW 0M1G 140 6125 4 ...

Страница 46: ...e description of the following component Picture Description TPV Part No ACER Part NO Main_frame A15G0820101 60 LHF0B 006 Bezel A34G1361AGBA1B0130 60 LHF0B 003 Panel 750GLG230F1A33N000 LK 23006 001 Power Board PWPC9D41EQKP 55 LHF0B 002 ...

Страница 47: ...46 Main Board CBPCRA6ABQ4 55 LHF0B 001 Q37G0151011 BASE ASS Y A34G1136AEM 1B0130 60 LHF0B 005 Rear cover A34G1362AEOA1M0100 60 LHF0B 004 ...

Страница 48: ...10 NC TO252 R112 10K 1 16W 5 C101 0 1uF 16V Q106 2N3906S RTK PS ON OFF VCC3 3 Q101 2N3904S RTK PS 5V 4 5 7 U104 AZ1117D 1 8 E1 1 2 3 ADJ Vout Vin R103 10K 1 16W 5 C110 0 1uF 16V 5V_USB 8 C103 0 1uF 16V C109 100uF 16V R113 56K 1 16W 5 VCC1 8 C106 0 1uF 16V R116 NC D510 SM340A VCC3 3 C115 0 1uF 16V VLCD R104 10K 1 16W 5 TO252 5V VCC3 3 SOT223 on_Panel 5 DIM C112 0 1uF 16V VLCD 6 R102 1K 1 16W 5 5V Q...

Страница 49: ...2 DET_VGA 7 DVI5V DDC_WP ZD417 RLZ5 6B ZD408 RLZ5 6B C B 4 8 Tuesday May 12 2009 715G3266 E 称爹 3 0 INPUT G3266 1B X X 3 090512 acer H235H OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 C444 0 047uF ZD403 RLZ5 6B PC5V RX0 7 RX1 7 R461 100R 1 16W 5 DET_DVI 7 DAT2 R478 1K 1 16W 5 DCLK D426 BAV99 3 1 2 GNDG 5 C460 0 1uF 16V SDA_VGA Z...

Страница 50: ...RLZ5 6B POWER C439 1uF 16V C429 0 1uF 16V VCC3 3 POWER ZD432 RLZ5 6B AVDD_MEMPLL_33 PB1 AVDD_MEMPLL_33 R423 NC R554 NC R407 10K 1 16W 5 AUSCK 8 R524 100R 1 16W 5 FB403 120 OHM 1 2 XOUT C428 NC R574 56K 1 16W 5 CEC_CTRL 7 C431 0 1uF 16V R533 NC R432 10K 1 16W 5 R420 22K 1 16W 5 GIN 4 DDCD_SCL 7 ZD430 RLZ5 6B CLK 7 AUMCKO 8 POWER DET_INPUT Sensor_SDA PB 0 9 POWER C425 0 22uF C408 0 1uF 16V G 7 PA 0 ...

Страница 51: ...XO0 LVA1M RXOC RXO0 RXEC PB4 VLCD 3 FB410 120 OHM 1 2 PA 0 9 5 LVB0M RXE1 LVB2M LVA3P RXO2 PA6 LVA2M PA4 R552 220 OHM 1 4W LVBCKP RXE3 LVB0M PA 0 9 RXO2 PB1 LVA0M RXE2 RXO1 PB 0 9 LVA2P PB 0 9 5 LVB3P LVB1P LVB3M LVA3M RXO1 LVB1M PA1 RXE0 RXE0 LVA3M LVDS Wafer CONNECT LVACKM LVBCKP PB3 C A 6 8 Tuesday May 12 2009 715G3266 E 称爹 5 0 PANEL INTERFACE G3266 1B X X 3 090512 acer H235H OEM MODEL Size Rev...

Страница 52: ...B D3 B VDD33 GND NC NC CP NC VDD33 GND 0B1 0B2 1B1 1B2 GND 2B1 2B2 3B1 3B2 NC NC VDD50 GND C511 0 1uF 16V HDMI1_D0 5V HDMI1_D1 RX0 4 Q501 2N3904S RTK PS HDMI1_CK HDMI_SEL DVI5V R562 2K OHM 1 16W RX2 4 OUTPUT HDMI_CP 1 HDMI1_CK HDMI_CP 4 Q505 2N3904S RTK PS R651 0R05 1 16W DVI5V 4 HDMI_HOTPLUG R560 1K 1 16W 5 HDMI_5V HDMI1_SCL Q503 2N3904S RTK PS CLK 5 HDMI1_ 5V U503 M24C02 WMN6TP 1 2 3 4 5 6 7 8 A...

Страница 53: ...IN LLINEIN LHPIN PVDD LOUT PGND LOUT SHUTDOWN FADE BYPASS AGND SEMAX SEDIFF VOLUME HP LINE SE BTL ROUT FB601 BEAD 1 2 5V_USB C633 0 47uF 16V R639 NC C643 NC INR C622 0 1uF 16V R603 75R 1 16W 5 L I2S_SCK R630 NC 1K 1 16W 5 R617 NC C616 1000pF R601 75R 1 16W 5 INL R610 2 7KOHM1 16W C640 NC AUSCK 5 R612 18K 1 16W 5 C614 0 47uF 16V EOUTL C605 22pF AUSDO I2S_MCK R631 NC 1K 1 16W 5 R634 10K 1 16W 5 SPDI...

Страница 54: ...M 1 4W PWPC9D41EQKP 1 Custom 1 3 Wednesday May 13 2009 715G2824 4 5 ODM MODEL 03 POWER G2824 4 5 X 39 090513 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 R935 100 OHM 1 4W Q901 STP10NK70ZFP R938 10K 1 8W 5 5V D906 FMX 12SL 1 2 3 R924 100R 1 8W 5 F903 FUSE Q903 2SD1207T D908 SP1060 1 2 3 R912 220 OHM 1 4W C937 100pF 1KV NC R926 ...

Страница 55: ...LV4 PWPC9D41EQKP 1 Custom 1 3 Wednesday May 13 2009 715G2824 4 5 ODM MODEL 02 INVERTER G2824 4 5 X 39 090513 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 5V LV4 C802 0 047uF R819 4R7 1 8W 5 R845 5 1K 1 10W 5 R806 100K 1 10W 1 Q805 APM4548 1 2 3 4 5 6 7 8 S2 G2 S1 G1 D1 D1 D2 D2 C822 56pF3KV R804 5K1 1 8W 5 R839 1M 1 10W 5 D801 ...

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