AOC e1621Swb Service Manual
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AOC e1621Swb Service Manual

15.6" lcd color monitor
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15.6" LCD Color Monitor
Service
Service
Service
Description
Table of Contents...................................................1
Revision List..........................................................2
Important Safety Notice................................................. 3
1. Monitor Specification..................................................4
2. LCD Monitor Description........................................5
3. Operation Instructions..................................................6
3.1.General Instructions...................................................6
3.2.Control Buttons..................................................6
3.3 Adjusting the Picture...................................................7
4. Input/Output Specification.......................................24
4.1.Input Signal Connector...........................................24
4.2.Factory Preset Display Modes.................................25
4.3.Panel Specification...............................................25
5. Block Diagram............................................................28
5.1 Main Board.....................................................28
5.2.Power Board....................................................29
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.Schematic.............................................................30
6.1.Main Board..........................................................30
6.2.Power Board.................................................34
6.3.Key Board....................................................36
7.PCB Layout...........................................................37
7.1.Main Board..........................................................37
7.2.Power Board.........................................................40
7.3.Key Board.............................................................43
8.Maintainability........................................................44
8.1.Equipments and Tools Requirement......................44
8.2.Trouble Shooting.................................................45
10.Monitor Exploded View.....................................51
11.BOM List...............................................................53
SAFETY NOTICE
R FOR TH
1
UNIT WHEN S
AOC e1621Swb
Horizontal Frequency
30-60 kHz
Page

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Summary of Contents for AOC e1621Swb

  • Page 1: Table Of Contents

    15.6" LCD Color Monitor AOC e1621Swb Service Service Service Horizontal Frequency 30-60 kHz TABLE OF CONTENTS Description Page Description Page Table of Contents…………………………………………...1 6.Schematic……………..........30 Revision List………………………………………………..2 6.1.Main Board..………..........30 Important Safety Notice.……......……..3 6.2.Power Board………………………………………..34 1. Monitor Specification......…………..4 6.3.Key Board…………………...….……………………36 2. LCD Monitor Description……………………………..5 7.PCB Layout..…………..........37...

  • Page 2: Revision List

    Revision List Version Release Date Revision History TPV Model Name T6BCSR2QW1R57N Jun.03.2011 Initial release T6BCSR2QW1R47N...

  • Page 3: Important Safety Notice

    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 4: Monitor Specification

    1. Monitor Specification...

  • Page 5: Lcd Monitor Description

    2. LCD Monitor Description The LCD Monitor will contain a main board, an adapter board and a key board which house the 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.

  • Page 6: Operation Instructions

    3. Operation Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control knobs are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. 3.2 Control Buttons Power Press the Power button continuously to turn off the monitor.

  • Page 7: Adjusting The Picture

    3.3 Adjusting the Picture OSD Settings 1) Press the MENU-button to activate the OSD window. 2) Press - or + to navigate through the functions. Once the desired function is highlighted, press the MENU-button to activate sub-menu . Once the desired function is highlighted, press MENU-button to activate it. 3) Press - or + to change the settings of the selected function.

  • Page 24: Input/Output Specification

    4. Input/Output Specification 4.1 Input Signal Connector D-Sub 15pin Connector 4.2 Factory Preset Display Modes...

  • Page 25: Panel Specification

    4.3. Panel Specification CLAA156WB11A is 15.6” color (16：9) TFT-LCD (Thin Film Transistor Liquid Crystal Display) module composed of LCD panel, LVDS driver ICs, control circuit and backlight. By applying 6 bit digital data, 1366×RGB(3)×768, 262K-color images are displayed on the 15.6” diagonal screen. 4.3.1 General Feature...
  • Page 26 4.3.2 Optical Characteristics Ta=25℃, VDD=3.3V 4.3.3 Electrical Characteristics TFT LCD...
  • Page 27 BACKLIGHT Ta = 25 º C...

  • Page 28: Block Diagram

    5. Block Diagram 5.1 Main board 14.31818MHZ Panel Interface (X401) (CN403) Scalar TSUMU18PWR-LF Flash ROM Key Control (Include MCU, ADC, OSD) Interface MX25L2026DM1I (CN408) (U401) (U402) (U9) (U1) EEPROM M24C02 (U405) D-Sub Connector (CN101) (U1)

  • Page 29: Power Board

    5.2 Power board AC input Bridge 14.5V Rectifier Transformer EMI filter Rectifier diodes and Filter Start Resistor (R920,R921,R922) Feedback PWM Control Circuit (IC901) Photo coupler (IC902)

  • Page 30: Schematic

    6. Schematic 6.1 Main Board 715G4734M01BRA004I R101 0R05 1/10W 5% H_Sy nc R102 100R 1/16W 5% DSUB_H V_Sy nc R103 100R 1/16W 5% FB102 DSUB_V VCC3.3 R104 C101 VGA_B+ DSUB_B+ R105 R106 C102 C103 BEAD 2K2 1/16W 5% 2K2 1/16W 5% 100R 1/16W 5% 47N16V VCC3.3...
  • Page 31 AVDD VCC3.3 VCC1.8 VCC3.3 FB401 AVDD U401 VCC3.3 300OHM VCTRL VCTRL C403 C404 LVA3P 0.1uF/16V 0.1uF/16V DSUB_R+ RIN0P LVA3M DSUB_R- RIN0M DSUB_G+ GIN0P DSUB_G- GIN0M LVA2P DSUB_SOG SOGIN0 LVA2M DSUB_B+ BIN0P LVA1P DSUB_B- BIN0M LVA1M VCC1.8 DSUB_H HSY NC0 LVA0P DSUB_V VSY NC0 LVA0M...
  • Page 32 14.5V VCC3.3 CN403 R441 1K 1/16W 5% BKLT-EN BKLT-VBRI R442 BKLT-VBRI Adj_BACKLIGHT CMVCC1 VCC3.3 VCC3.3 100R 1/16W 5% R465 R437 R439 PB[2..9] 10K 1/16W 5% 10K 1/16W 5% PB[2..9] BKLT-EN R440 C425 Q406 on_BACKLIGHT 2N3904S-RTK/PS 4K7 1/16W 5% CMVCC VCC3.3 CMVCC R485 R486...
  • Page 33 DSUB_5V CMVCC DSUB_5V 2 5, 6 CMVCC D401 14.5V NC/BAV99 VCC3.3 CN404 R480 CMVCC1 SM340A D402 2.2 OHM +-5% 2WS CMVCC CMVCC1 VCC1.8 CMVCC R479 14.5V R450 14.5V NC(R0402) VCC1.8 C_PANEL_INDEX PANEL_ID# Q410 MMBT2907A C432 C423 100uF16V 0.1uF/16V Q409 CONN MMBT2907A VCTRL CMVCC1...

  • Page 34: Power Board

    6.2 Power Board 715G3189P02LED001S R904 30 OHM 1/4W L903 R927 R905 30 OHM 1/4W 0R05 4A 1/4W +14.5V C900 C910 C919 ZD901 1000PF/250VAC 2N2 500V 2N2 500V R906 30 OHM 1/4W R918 250OHM2W C912 MTZJ T-72 18B 1000uF 25V T901 D903 31DQ10FC POWER X'FMR R916...
  • Page 35 +5V1 R621 R622 ON/OFF_INPUT Q621 R620 BKLT-VBRI PANEL ON/OFF_OUTPUT R624 NC R623 0R05 1/10W +5V1 R626 R627 DIM_INPUT Q622 R625 BKLT-EN PANEL DIM_OUTPUT R629 NC R628 0R05 1/10W T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size 絬...

  • Page 36: Key Board

    6.3 Key Board 715G3584K01000004K LED_2# LED_1# LED01 CN001 LBADC2 R002 2K 1/10W 5% LBADC1 DC_POWERON R003 0R05 1/10W 5% LED_1# LED_2# R004 2K 1/10W 5% CONN C003 C004 R005 1K 1/10W 5% 0.1uF 50V 0.1uF 50V SGND SW001 (Power) (MENU) (UP) (DOWN) (OK)

  • Page 37: Pcb Layout

    7. PCB Layout 7.1 Main Board 715G4734M01BRA004I...

  • Page 40: Power Board

    7.2 Power Board 715G3189P02LED001S...

  • Page 43: Key Board

    7.3 Key Board 715G3584K01000004K...

  • Page 44: Maintainability

    8. Maintainability 8.1 Equipments and Tools Requirement Voltmeter. Oscilloscope. Pattern Generator. DDC Tool with an IBM Compatible Computer. Alignment Tool. LCD Color Analyzer. Service Manual. User Manual.

  • Page 45: Trouble Shooting

    8.2 Trouble Shooting No Power No power Check power cable is Re-plug the power cable tightened? Check Power “On/Off” Turn on the Power “On/Off” switch is “On”? Check the LED Check the AC power indicate is OK? Replace the power board and check connections Replace main board and check connections Replace key board and check connections...
  • Page 46 2. No Video (Power LED Blue) No Video (Power LED Blue) Press the power Replace the main board button is OK? Replace the power The end board and connection Replace the main The end board and connection Check the LVDS/FFC Replace the LVDS/FFC cable or panel cable or panel...
  • Page 47 3. DIM DIM (image overlap, focus or flicker) Reset in factory mode The end Set to the optimal The end frequency, select the recommended frequency Readjust the phase and pixel The end clock in the user mode Pull out signal cable and Check the signal cable check “Self Test Feature and the PC...
  • Page 48 4. Color is not optimal Color is not optimal Color shift Miss color Reset the factory mode Replace the signal cable In the user mode, set the” color settings” until customer satisfy The end Pull out the signal cable and check the screen color display is normal? Replace the signal cable or PC Replace the main board...

  • Page 49: White-Balance,Luminance Adjustment

    = 313 ±30, y = 329 ±30, Y>150cd/m 3. Enter into Factory mode of AOC e1621wb: Press the MENU button, pull out the power cord, and then plug the power cord. You will enter into factory mode.
  • Page 50 B. Adjust Normal (7300K) color-temperature 1. Switch the chroma-7120 to RGB-Mode (with press “MODE” button) 2. Switch the MEM.channel to Channel 4(with up or down arrow on chroma 7120) 3. The LCD-indicator on chroma 7120 will show x = 302 ±30, y = 318 ±30, Y>150cd/m 4.

  • Page 51: Monitor Exploded View

    10. Monitor Exploded View...
  • Page 52 Description BEZEL KEY BUTTON LENS Power KEY BOARD PANEL POWER BOARD MAIN BOARD MAIN_FRAME REAR COVER HINGE 15.6 STAND COVER STAND Part No. Description BASE 0G1G1030 6120 SCREW M3X6(FOR MB&PB/ MAIN_FRAME) FOOT AM1G1740 12 47 CR3 SCREW(FOR REAR COVER/HINGE) INSULATING SHEET AM1G1740 10 47 CR3 SCREW(FOR STAND COVER / HINGE)

  • Page 53: Bom List

    Q41G7800615B55 CKD CARD Q45G2010M0201A P.E. BAG (INSTR. BOOK) Q70G16C1615 7A E1621SWB CD MANUAL Q52G 1185 99 BIG CARTON TAPE FOR AOC 052G 1185 MIDDLE TAPE (Y1200141) 040G 581689 4A BARCODE LABEL FOR 1 Q40G000362416A POP LABEL (WIN 7+GOLD EPEAT+EPA) 045G 77500...
  • Page 54 040G 45762420A LABEL 25X6MM 089G424A15N IS AC POWER CORD 1500MM 0G1G1030 6120 SCREW AM1G1740 10 47 CR3 SCREW Q45G 99606 24 ESD INSULATING PE BAG 051G6001 2 DESICCANT Q36G 600517 CLOTH Q12G6600 6 FOOT Q15G1068301CKD MAIN_FRAME Q37G0187012CKD HINGE 15.6 Q52G1801MNT068 INSULATING SHEET E750 750NBC156WB113N000...
  • Page 55 Q407 057G 417518 TRA LMBT3904LT1G 200MA/40V SOT-23 LRC Q409 057G 417527 SMALLTRAN MMBT2907A -0.6 -60V SOT-23 Q410 057G 417527 SMALLTRAN MMBT2907A -0.6 -60V SOT-23 Q405 057G 763 1 AO3401 SOT23 BY AOS R487 061G0402000 FF RST CHIPR MAX0R01 1/16W FENGHUA R483 061G0402000 FF RST CHIPR MAX0R01 1/16W FENGHUA...
  • Page 56 R413 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R420 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R442 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R111 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN R108 061G0402101 JT RST CHIP 100R 1/16W 5% TZAI YUAN...
  • Page 57 R464 061G0402202 JT RST CHIP 2K 1/16W 5% TZAI YUAN R463 061G0402202 JT RST CHIP 2K 1/16W 5% TZAI YUAN R106 061G0402222 JF RST CHIPR 2.2KOHM +-5% 1/16W FENGHUA R105 061G0402222 JF RST CHIPR 2.2KOHM +-5% 1/16W FENGHUA R105 061G0402222 JY RST CHIPR 2.2KOHM +-5% 1/16W YAGEO R106 061G0402222 JY...
  • Page 58 R112 061G0402750 JF RST CHIPR 75 OHM +-5% 1/16W FENGHUA R116 061G0402750 JF RST CHIPR 75 OHM +-5% 1/16W FENGHUA R116 061G0402750 JI TEST ONLY RST 0402 75R 5% 1/16W TA-I R112 061G0402750 JI TEST ONLY RST 0402 75R 5% 1/16W TA-I R107 061G0402750 JI TEST ONLY RST 0402 75R 5% 1/16W TA-I...
  • Page 59 C103 065G040222031J CAP CHIP 0402 22P 50V NP0 +/-5% C102 065G040222031J CAP CHIP 0402 22P 50V NP0 +/-5% C434 065G040222417Z CAP CHIP 0402 0.22UF 16V Y5V C434 065G040222417Z NO-SUGGEST 0402 220NF 16V Y5V C408 065G0402224A5K CAP 0402 220NF K 10V X5R C408 065G0402224A5K CAP CHIP 0402 220N 10V X5R +/-10%...
  • Page 60 709G4734 QS001 CONSUMPTIVE ASS'Y 052G6026 2 MESH PRINTTING PAPER 052G 2191 A PAPER TAPE 715G4734M01BRA004I MAIN PCB FR4 DS 57*70*1.6MM Q90G6332 1 HEAT SINK KEPC9QHLC KEY BOARD SW001 077G 500 5J XL DOME SWITCH 5PCS CN001 033G8032 6F X WAFER 6P 1.25MM CN001 033G8032 6F HR CONNECTOR 6P 1.25...
  • Page 61 C904 063G107K474 6S 0.47UF +-10% C904 063G107K474 US NO-SUGGEST 0.47UF +-10% C903 065G306K3312B3 Y1 CAP 330PF K 250VAC CD C902 065G306K3312B3 Y1 CAP 330PF K 250VAC CD C903 065G306K3312BM CAP Y1 330PF 10% 250V Y5P C902 065G306K3312BM CAP Y1 330PF 10% 250V Y5P C900 065G306M1022BP CAP Y1 1NF 20% 250V Y5U...
  • Page 62 R628 061G0603000 JF RST CHIPR MAX 0R05 1/10W FENGHUA R917 061G06031001FT RST CHIP 1K 1/10W 1% R917 061G06031001FY RST CHIPR 1KOHM +-1% 1/10W YAGEO R913 061G06031002FT RST CHIP 10K 1/10W 1% R912 061G0603103 JI RST 0603 10K 5% 1/10W R912 061G0603103 JT RST CHIP 10K 1/10W 5% TZAI YUAN R916...
  • Page 63 C905 065G080510432K CAP CHIP 0805 0.1UF K 50V X7R C905 065G080510432K CAP CHIP 0805 0.1UF K 50V X7R C917 065G080510432K CAP CHIP 0805 100N 50V X7R +/-10% C915 065G080510432K CAP CHIP 0805 100N 50V X7R +/-10% C901 065G080582031J CAP CHIP 0805 82P 50V NP0 +/-5% C910 065G120622272K CER 1206 2N2 500V X7R 10%...
  • Page 64 J905 095G 90 23 JUMPER WIRE J904 095G 90 23 JUMPER WIRE J903 095G 90 23 JUMPER WIRE J902 095G 90 23 JUMPER WIRE J900 095G 90 23 JUMPER WIRE J616 095G 90 23 JUMPER WIRE J615 095G 90 23 JUMPER WIRE J609 095G 90 23...

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