AOC e936Swa Service Manual
AOC e936Swa Service Manual

AOC e936Swa Service Manual

18.5'' lcd color monitor
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18.5" LCD Color Monitor
Service
Service
Service
Description
Table Of Contents..........................................................1
Table Of Contents..........................................................1
Revision List.................................................................2
Revision List.................................................................2
1. Monitor Specification..................................................4
1. Monitor Specification..................................................3
2. LCD Monitor Description........................................5
2.LCD Monitor Description........................................4
3. Operation Instruction.............................................6
3. Operation Instruction.............................................5
3.1 General Instructions...................................................6
3.1 General Instructions...................................................5
3.2 Control Button....................................................6
3.2 Control Button....................................................5
3.3 Adjusting the Picture..........................................6
3.3 Adjusting the Picture..........................................5
4. Input/Output Specification.......................................12
4. Input/Output Specification.......................................8
4.1 Input Signal Connector.......................................12
4.1 Input Signal Connector.......................................8
4.2 Factory Preset Display Modes...........................13
4.2 Factory Preset Display Modes.........................9
5 Panel Specification..................................................14
5 Panel Specification..................................................10
5.1 Display Characteristics....................................14
5.1 Display Characteristics....................................10
5.2 Optical Characteristics.....................................16
5.2 Optical Characteristics......................................10
5.3 Electrical Characteristics.................................19
6. Block Diagram...............................................22
6.1 Software Flow Chart.........................................22
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

TABLE OF CONTENTS

Page
Description
6.2 Electrical Block Diagram.................................24
Page
7. Schematic.................................................... 26
7.1 Main Board..........................................................26
7.2 Power Board.......................................................31
8. PCB Layout..........................................................36
8.1 Main Board.....................................................36
8.2 Power Board........................................................38
8.3 Key Board.......................................................43
8.4 USB Board.......................................................43
9. Maintainability........................................................44
9.2. Trouble Shooting...............................................45
10.Firmware and DDC Instruction..........................52
12. Monitor Exploded View...................................55
13. BOM List..............................................................56
11
SAFETY NOTICE
1
AOC e936Swa
Horizontal Frequency
30-80 kHz
Page

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Summary of Contents for AOC e936Swa

  • Page 1: Table Of Contents

    18.5" LCD Color Monitor AOC e936Swa Service Service Service Horizontal Frequency 30-80 kHz TABLE OF CONTENTS Description Page Description Page Table Of Contents..……....……...…..1 6.2 Electrical Block Diagram………...………...…..24 Table Of Contents..……....……...…..1 Description Page Revision List.…......………....……..2 7. Schematic……………………………………………. 26 Revision List.…......………....……..2 1. Monitor Specification.........………..4 7.1 Main Board…………..........26...
  • Page 2: Revision List

    AOC e936Swa Important Safety Notice Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service procedures recommended by AOC and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended.
  • Page 3: Revision List

    18.5" LCD Color Monitor AOC e936Swa Revision List Version Date Revision History Remark T89AM5NB6WA5UNE T89AM5NB6WA5UGE Initial release (TPV TPM185B1-L01 Jan.-19-2010 AUO M185XW01 T89AM5NL6WA2UNE 715G3823P01000004S 715G3649P01000004S) T892M5NB6WA1UNE T892M5NC6WA1UNE T89AM5NQ6WA1UNE T89AM5NC6WA2UNE Add new Models T89AM5NB6WA5U6E Jun.-04-2010 T89AM5NK6WA1U6E T89AM5NL6WA2UNE Add second Panel T894M5NB6WA4UNE (TPV TPM185B1-XW01)...
  • Page 4: Monitor Specification

    18.5" LCD Color Monitor AOC e936Swa 1. Monitor Specification...
  • Page 5: Lcd Monitor Description

    18.5" LCD Color Monitor AOC e936Swa 2. LCD Monitor Description The LCD monitor will contain a main board, an adapter board, a converter board, two USB boards, an audio board and a key board which house the flat panel control logic, brightness control logic and DDC.
  • Page 6: Operation Instruction

    18.5" LCD Color Monitor AOC e936Swa 3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located on the side of the monitor. By changing these settings, the picture can be adjusted to your personal perference.
  • Page 7 18.5" LCD Color Monitor AOC e936Swa When you press the MENU button on the front control of your monitor, the On DOWN Screen Display (OSD) Main Controls window will pop up and you can then start making adjustments to your monitor's various features. Use the UP or DOWN keys to make your adjustments.
  • Page 8: Input/Output Specification

    18.5" LCD Color Monitor AOC e936Swa...
  • Page 9: Factory Preset Display Modes

    18.5" LCD Color Monitor AOC e936Swa...
  • Page 10: Panel Specification

    18.5" LCD Color Monitor AOC e936Swa...
  • Page 11 18.5" LCD Color Monitor AOC e936Swa LED Indicator...
  • Page 12: Input/Output Specification

    18.5" LCD Color Monitor AOC e936Swa 4. Input/Output Specification 4.1 Input Signal Connector D-SUB connector...
  • Page 13: Factory Preset Display Modes

    18.5" LCD Color Monitor AOC e936Swa 4.2 Factory Preset Display Modes...
  • Page 14: Panel Specification

    18.5" LCD Color Monitor AOC e936Swa 5 Panel Specification 5.1 Display Characteristics AUO M185XW01 This specification applies to the 18.5 inch-wide Color a-Si TFT-LCD Module M185XW01.The display supports the WXGA - 1366(H) x 768(V) screen format and 16.7M colors (RGB 6-bits + Hi-FRC data). All input signals are 1-channel LVDS interface and this module doesn’t contain an inverter board for backlight.
  • Page 15 18.5" LCD Color Monitor AOC e936Swa TPV TPM185B1-XW01 Ta=25℃...
  • Page 16: Optical Characteristics

    18.5" LCD Color Monitor AOC e936Swa 5.2 Optical Characteristics AUO M185XW01 Ta=25℃...
  • Page 17 18.5" LCD Color Monitor AOC e936Swa TPV TPM185B1-L01 Ta=25℃...
  • Page 18 18.5" LCD Color Monitor AOC e936Swa TPV TPM185B1-XW01 Ta=25℃...
  • Page 19: Electrical Characteristics

    18.5" LCD Color Monitor AOC e936Swa 5.3 Electrical Characteristics 1.TFT LCD Module: AUO M185XW01 TPV TPM185B1-L01 Vcc = 5.0 V, Ta = 25 ± 2 ºC, fv = 60 Hz...
  • Page 20 18.5" LCD Color Monitor AOC e936Swa TPV TPM185B1-XW01 Note 1:Measurement conditions: The duration of rising time of power input is 470us. Note 1:LVDS Signal Waveform...
  • Page 21 18.5" LCD Color Monitor AOC e936Swa 2.Back Light Unit: AUO M185XW01 Note 1 : The value showed in the table is one light bar’s operation voltage. Note 2 : Based on the operating current is 20mA. TPV TPM185B1-L01 Ta = 25 ± 2 ºC Note:...
  • Page 22: Block Diagram

    18.5" LCD Color Monitor AOC e936Swa 6. Block Diagram 6.1 Software Flow Chart...
  • Page 23 18.5" LCD Color Monitor AOC e936Swa REMARK: 1) MCU initialize. 2) Is the EEprom blank? 3) Program the EEprom by default values. 4) Get the PWM value of brightness from EEprom. 5) Is the power key pressed? 6) Clear all global flags.
  • Page 24: Electrical Block Diagram

    18.5" LCD Color Monitor AOC e936Swa 6.2 Electrical Block Diagram 6.2.1 Scalar Board Crystal 14.31818MHz LCD Interface (X401) (CN405) FLASH MEMORY Scalar TSUM1PFR-LF Key Control MX25L2026MI (Include : MCU,ADC,OSD etc) Interface (U402) (CN409) (U401) D-Sub Connector (CN101) DDC1_SDA DDC1_SCL EEPROM...
  • Page 25 18.5" LCD Color Monitor AOC e936Swa 6.2.2 Inverter / Power Board AC input Transformer Rectifier 14.5V Bridge EMI filter (T901) diodes Rectifier and Filter Start Resistor (R920,R921,R922) Feedback PWM Control Circuit (IC901) Photo coupler Regulator (IC902) (IC903) 715G3823P01000004S L801 ZD801...
  • Page 26: Schematic

    18.5" LCD Color Monitor AOC e936Swa 7. Schematic 7.1 Main Board 715G3244 1...
  • Page 27 18.5" LCD Color Monitor AOC e936Swa...
  • Page 28 18.5" LCD Color Monitor AOC e936Swa...
  • Page 29 18.5" LCD Color Monitor AOC e936Swa...
  • Page 30 18.5" LCD Color Monitor AOC e936Swa...
  • Page 31: Power Board

    18.5" LCD Color Monitor AOC e936Swa 7.2 Power Board Adapter 715G3189P01LED001S & 715G3189P02LED001S R904 30 OHM 1/4W L903 R927 C900 R905 30 OHM 1/4W 0R05 4A 1/4W +14.5V 1000PF/250VAC C910 C919 2N2 500V 2N2 500V R906 30 OHM 1/4W R918...
  • Page 32 18.5" LCD Color Monitor AOC e936Swa +5V1 R621 R622 ON/OFF_INPUT Q621 R620 NC/2N3906S-RTK/PS BKLT-VBRI PANEL ON/OFF_OUTPUT R624 R623 0R01 1/10W +5V1 R626 R627 DIM_INPUT Q622 R625 NC/2N3906S-RTK/PS BKLT-EN PANEL DIM_OUTPUT R629 R628 0R01 1/10W T P V ( Top Victory Electronics Co .
  • Page 33 18.5" LCD Color Monitor AOC e936Swa +5V1 +5V1 R602 C604 100uF/25V R603 10K 1/10W C609 1uF50V 2008-10-27 EE MODIFY 10K 1/10W 2008-08-18 EE MODIFY R609 IC601 CN602 LOUT+ SE/BTL LOUTP CN601 VOLUME LOUT- R604 7.5K 1/10W C601 0.47uF 16V LINN...
  • Page 34 18.5" LCD Color Monitor AOC e936Swa Converter 715G3823P01000004S C810 C812 C811 C813 Vout CN801 CN802 CONN C814 CONN +12V F801 FUSE L801 R833 1 OHM 1/10W ZD801 0.1uF 50V R832 1 OHM 1/10W R831 1 OHM 1/10W 22uH B360B R830 1 OHM 1/10W...
  • Page 35 18.5" LCD Color Monitor AOC e936Swa Converter 715G3649P01000004S CN802 F801 0R05 4A 1/4W CN801 +12V ZD801 L801 22uH B360B R819 C801 C802 R803 Q801 C812 C813 C814 160K 1/10W 10R 1/8W 5% RK7002FD5T116 100N 50V 100uF 50V 100N 25V 100uF 50V...
  • Page 36: Pcb Layout

    18.5" LCD Color Monitor AOC e936Swa 8. PCB Layout 8.1 Main Board 715G3244 1...
  • Page 37 18.5" LCD Color Monitor AOC e936Swa...
  • Page 38: Power Board

    18.5" LCD Color Monitor AOC e936Swa 8.2 Power Board Adapter 715G3189P01LED001S...
  • Page 39 18.5" LCD Color Monitor AOC e936Swa 715G3189P02LED001S...
  • Page 40 18.5" LCD Color Monitor AOC e936Swa...
  • Page 41 18.5" LCD Color Monitor AOC e936Swa Converter 715G3823P01000004S...
  • Page 42 18.5" LCD Color Monitor AOC e936Swa 715G3649P01000004S...
  • Page 43: Key Board

    18.5" LCD Color Monitor AOC e936Swa 8.3 Key Board 715G3371 2 8.4 USB Board 715G2663 2 715G3501 2...
  • Page 44: Maintainability

    18.5" LCD Color Monitor AOC e936Swa 9. Maintainability 9.1 Equipments and Tools Requirement 1. Multi-meter. 2. Oscilloscope. 3. Pattern Generator. 4. DDC Tool with an Compatible Computer. 5. Alignment Tool. 6. LCD Color Analyzer. 7. Service Manual. 8. User Manual.
  • Page 45: Trouble Shooting

    18.5" LCD Color Monitor AOC e936Swa 9.2 Trouble Shooting 9.2.1 Main Board No Power No 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 Measure C423(+)=1.8V,...
  • Page 46 18.5" LCD Color Monitor AOC e936Swa No Picture No picture Measure C423(+)=1.8V, U404 Vout=3.3V Replace CN404,U404 X401 oscillate waveforms are normal Replace X401 Check if the sync signal from computer is output and video cable is connected normally Input the sync signal of...
  • Page 47 18.5" LCD Color Monitor AOC e936Swa White Screen White screen Measure Q404 base is X401 oscillate waveform is normal low level? Replace X401 Check reset circuit of Check FB402,Q405 is U401 is normal broken,or CN405 solder? Check Check Correspondent Correspondent component.
  • Page 48 18.5" LCD Color Monitor AOC e936Swa 9.2.2 Power Board 1) No power Check AC line volt 110V or 240V Check AC input Check the voltage of C907 (+) Check bridge rectified circuit and F901 circuit Check start voltage for the pin2 of IC901...
  • Page 49 18.5" LCD Color Monitor AOC e936Swa 2.) No Backlight 715G3823P01000004S Check C802(+)=12V Check adapter and MB Check ON/OFF signal Check main board Check Q801 PIN5,6.7,8=12V Change Q801 Check IC801 PIN1,2,3,4,5,6,7,8 have the output of square wave at short time Change IC801,IC802...
  • Page 50 18.5" LCD Color Monitor AOC e936Swa 715G3649P01000004S Check C802(+)=12V Check adapter and MB Check ON/OFF signal Check main board Check R803=12V Change Q802 Check U801 PIN7,8,9,10have the output of square wave at short time Change U801 Check connecter & lamp...
  • Page 51 18.5" LCD Color Monitor AOC e936Swa 9.2.3 Key Board OSD is unstable or not working Is Keypad board connecting normally? Connect Keypad board Is Button Switch normally? Replace Button Switch Replace Keypad Board Is Keypad board normally? Check main board...
  • Page 52: Firmware And Ddc Instruction

    18.5" LCD Color Monitor AOC e936Swa 10.Firmware and DDC Instruction ISP & DDC writing SOP Please land ftp://cs.tpv.com.cn/ to load relevant writing SOP in the related files. Accounts: TPVSQZ Code: TPVZGDLSQZ20090707...
  • Page 53: White-Balance, Luminance Adjustment

    SRGB color temp. parameter is x = 313 ±30, y = 329 ±30, Y = 180 cd/m 3. Into Factory mode of AOC e936Swa: Turn off the power, then press ∧ key,∨ key and press the Power button at the same time, the next, press the Menu button, You will enter into the factory mode.
  • Page 54 18.5" LCD Color Monitor AOC e936Swa 7. Repeat above procedure (item 4,5,6) until chroma 7120 RGB value meet the tolerance =100±2 C. Adjust Cool (9300K) color-temperature 1. Switch the Chroma-7120 to RGB-Mode (with press “MODE” button) 2. Switch the MEM. Channel to Channel 9 (with up or down arrow on chroma 7120) 3.
  • Page 55: Monitor Exploded View

    18.5" LCD Color Monitor AOC e936Swa 12. Monitor Exploded View...
  • Page 56: Bom List

    PANEL M185XW01 V60A SH AUO 2nd source ADPC91503HD2 ADAPTER BOARD H16G0001003 EVA WASHER H26G 800504 2A barcode H40G 18N61525A e936Swa EU ID LABEL H40G 58161569A USB LABEL H40G 58261537A e936Vw POP LABEL H40G 58261538A Win7 GOLD EPA LABEL H40G 58261560A e936Swa WW CARTON LABEL...
  • Page 57 18.5" LCD Color Monitor AOC e936Swa USB9HA3 USB BOARD USB9HA4 USB BOARD E09508 095G8014 5DH09 HARNESS 5P(PLUG)-5P(2501) 200MM 0Q1G1040 8120 SCREW Q01G6064 1 screw Q34G0560AED 1S0100 AOC-836 stand_front Q34G0561AED 1S0100 AOC-936 stand_rear Q34G0562AED 1S0130 AOC-936 base Q37G0133011 AOC 936S HINGE...
  • Page 58 18.5" LCD Color Monitor AOC e936Swa E09513 095G8022 6X504 HARNESS 6P-6P 200MM A33G0564 2 1L0100 Key-Guide Q52G 3 75 3M DOUBLE FACE TAPE 040G 45762412B CBPC LABEL C802 067G 4151017LV EC 100uF 20% 50V RZY 8*11.5 C804 067G 415479 9K EC 4.7UF 20% 100V ED 8*12...
  • Page 59 18.5" LCD Color Monitor AOC e936Swa R907 061G1206300 JT RST CHIPR 30 OHM 1/4W TZAI YUAN R906 061G1206300 JT RST CHIPR 30 OHM 1/4W TZAI YUAN R905 061G1206300 JT RST CHIPR 30 OHM 1/4W TZAI YUAN R904 061G1206300 JT RST CHIPR 30 OHM 1/4W TZAI YUAN...
  • Page 60 18.5" LCD Color Monitor AOC e936Swa R471 061G0402000 RST CHIP MAX 0R05 1/16W R457 061G0402000 RST CHIP MAX 0R05 1/16W R456 061G0402000 RST CHIP MAX 0R05 1/16W R402 061G0402000 RST CHIP MAX 0R05 1/16W R401 061G0402000 RST CHIP MAX 0R05 1/16W...
  • Page 61 18.5" LCD Color Monitor AOC e936Swa R112 061G0402750 RST CHIPR 75 OHM +-5% 1/16W R107 061G0402750 RST CHIPR 75 OHM +-5% 1/16W R101 061G0603000 RST CHIP MAX 0R05 1/10W R467 061G0603000 RST CHIP MAX 0R05 1/10W R470 061G0603000 RST CHIP MAX 0R05 1/10W...
  • Page 62 18.5" LCD Color Monitor AOC e936Swa R002 061G0603101 RST CHIPR 100 OHM +-5% 1/10W R005 061G0603561 RST CHIPR 560 OHM +-5% 1/10W R006 061G0603561 RST CHIPR 560 OHM +-5% 1/10W R007 061G0603561 RST CHIPR 560 OHM +-5% 1/10W R004 061G0603561...
  • Page 63 18.5" LCD Color Monitor AOC e936Swa FB501 071G 56K121 M CHIP BEAD 715G3501 2 USB BOARD PCB CN901 006G 31500 EYELET IC903 056G 158 10 T IC AS431AZTR-E1 TO-92 Q901 057G 530503 T 2SD1207T R919 061G152M10452T SY RST MOFR 100KOHM +-5% 2WS FUTABA...
  • Page 64 PANEL TPM185B1-L01 C1D FQ TPV ADPC91503HD2 ADAPTER BOARD H16G0001003 EVA WASHER H26G 800504 2A barcode H40G 18N61525A e936Swa EU ID LABEL H40G 58161569A USB LABEL H40G 58261537A e936Vw POP LABEL H40G 58261538A Win7 GOLD EPA LABEL H40G 58261560A e936Swa WW CARTON LABEL...
  • Page 65 18.5" LCD Color Monitor AOC e936Swa Q34G0561AED 1S0100 AOC-936 stand_rear Q34G0562AED 1S0130 AOC-936 base Q37G0133011 AOC 936S HINGE 756GH9CB A1079 MCU ASS'Y SMTCR-U402 100GAMV8001W11 MCU ASS'Y-CBPC9M5A1H4 GND3 009G6005 1 GROUND TERMINAL GND2 009G6005 1 GROUND TERMINAL GND1 009G6005 1 GROUND TERMINAL...
  • Page 66 18.5" LCD Color Monitor AOC e936Swa LN98302HD1SMT CONVERTER BOARD FOR SMT CN511 033G3802 5 BH CONNECTOR 5PIN CN512 088G 352 2 XH USB CONN 715G2663 2 USB BOARD PCB CN501 033G3802 5B Y CONN 2.0 5P CN502 088G 351 2B XH...
  • Page 67 18.5" LCD Color Monitor AOC e936Swa R922 061G1206335 JT RST CHIPR 3.3 MOHM +-5% 1/4W TZAI YUAN R900 061G1206624 JT RST CHIPR 620 KOHM +-5% 1/4W TZAI YUAN R901 061G1206624 JT RST CHIPR 620 KOHM +-5% 1/4W TZAI YUAN R902...
  • Page 68 18.5" LCD Color Monitor AOC e936Swa R418 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R442 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R413 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R412 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R411 061G0402101...
  • Page 69 18.5" LCD Color Monitor AOC e936Swa D402 061G2010000 RST CHIP MAX 0 OHM 3/4W C432 065G040210412K CAP CHIP 0402 100nF K 16V X7R C428 065G040210412K CAP CHIP 0402 100nF K 16V X7R C422 065G040210412K CAP CHIP 0402 100nF K 16V X7R...
  • Page 70 18.5" LCD Color Monitor AOC e936Swa C002 065G0603225 A5 CHIP 2.2uF 10V X5R LED001 081G15BY 2 GP LED GPTD1204BOC1-A GP ZD004 093G 39S 34 T UDZSNP5.6B ROHM ZD005 093G 39S 34 T UDZSNP5.6B ROHM 715G3371 2 KEY BOARD PCB CN803...
  • Page 71 18.5" LCD Color Monitor AOC e936Swa FB501 071G 56K121 M CHIP BEAD 715G3501 2 USB BOARD PCB CN901 006G 31500 EYELET IC903 056G 158 10 T IC AS431AZTR-E1 TO-92 Q901 057G 530503 T 2SD1207T R919 061G152M10452T SY RST MOFR 100KOHM +-5% 2WS FUTABA...

Table of Contents