Table of Contents
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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.......................................20
4.1. Input Signal Connector........................................20
4.2. Factory Preset Display Modes................................20
4.3. Panel Specification..........................................21
5. Block Diagram............................................................24
5.1 Main Board.....................................................24
5.2. Power Board...................................................25
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............................................................26
6.1. Main Board........................................................26
6.2. Power Board..............................................30
6.3. Key Board.................................................32
7. PCB Layout..........................................................33
7.1. Main Board........................................................33
7.2. Power Board...............................................37
7.3. Key Board...........................................................40
8. Maintainability.......................................................41
8.1. Equipments and Tools Requirement....................41
8.2. Trouble Shooting..............................................42
9. White-Balance, Luminance Adjustment...............46
10. Monitor Exploded View...................................48
11. BOM List..............................................................50
SAFETY NOTICE
1
AOC e1621Sw
Horizontal Frequency
30-60 kHz
Page
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Summary of Contents for AOC e1621Sw
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Page 1: Table Of Contents
15.6" LCD Color Monitor AOC e1621Sw Service Service Service Horizontal Frequency 30-60 kHz TABLE OF CONTENTS Description Page Description Page Table of Contents……….…………………………………...1 6. Schematic……………..........26 Revision List………………………………………………..2 6.1. Main Board..………...........26 Important Safety Notice…………………………………… 3 6.2. Power Board……………………………………..30 1. Monitor Specification......…………..4 6.3. -
Page 2: Revision List
Revision List Version Release Date Revision History TPV Model Name T6BCSR2QW1E6NN Aug.03.2011 Initial release T6BCSR2PW1E6NN... -
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 Model number e1621Sw Driving system TFT Color LCD Viewable Image Size 39.6cm diagonal Panel Pixel pitch 0.252mm(H) x 0.252mm(V) Video R, G, B Analog interface Separate Sync. H/V TTL Display Color 16.7M Colors Dot Clock 90MHz Horizontal scan range... -
Page 5: Lcd Monitor Description
2. LCD Monitor Description The LCD Monitor will contain a main board, a power 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 Press the MENU-button to activate the OSD window. 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. Press - or + to change the settings of the selected function. -
Page 20: Input/Output Specification
4. Input/Output Specification 4.1 Input Signal Connector D-Sub 15pin Connector Pin Number 15-Pin Side of the Signal Cable Video-Red Video-Green Video-Blue N.C. Detect Cable GND-R GND-G GND-B Ground N.C. DDC-Serial data H-sync V-sync DDC-Serial clock 4.2 Factory Preset Display Modes Stand Resolution Horizontal Freq.(KHz) -
Page 21: 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 x RGB (3) x 768, 262K-color images are displayed on the 15.6” diagonal screen. 4.3.1 General Feature Item Specification... - Page 22 4.3.2 Optical Characteristics Ta=25℃, VDD=3.3V...
- Page 23 4.3.3 Electrical Characteristics TFT LCD BACKLIGHT...
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Page 24: Block Diagram
5. Block Diagram 5.1 Main board XGA/SXGA LVDS OUTPUT DSUB_R+ DSUB_R+ VCC1.8 DSUB_R- DSUB_R- DSUB_G+ DSUB_G+ VCC3.3 DSUB_G- DSUB_G- VCC1.8 DSUB_SOG DSUB_SOG CMVCC DSUB_B+ DSUB_B+ DSUB_5V DSUB_B- DSUB_B- VCC3.3 CMVCC1 DSUB_H DSUB_H DSUB_V DSUB_V DSUB_5V DDC1_SDA DDC1_SDA CMVCC VCC3.3 DDC1_SCL DDC1_SCL DET_CABLE DET_CABLE... -
Page 25: Power Board
5.2 Power board AC input Bridge Rectifier Rectifier 14.5V Transformer EMI filter and Filter Diodes Start Resistor (R920,R921,R922) PWM Control Feedback (IC901) Circuit Photo coupler (IC902) -
Page 26: Schematic
6. Schematic 6.1 Main Board 715G4734M01000004I 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 27 VSY NC0 LVA0M Flash. DDC1_SDA VCC1.8 DDCA_SDA/RS232_TX DDC1_SCL DDCA_SCL/rs232_RX C406 C407 U402 0.1uF/16V 0.1uF/16V PB[2..9] PB[2..9] 010A Befor AOC ID2007 OSD For RSTN detect LVB3P function LVB3M LVBCKP 020A For ID2008 LVBCKM LVB2P LVB2M CMVCC1 CMVCC LVB1P LVB1M EE_WP AVDD...
- Page 28 14.5V VCC3.3 CN403 R441 1K 1/16W 5% BKLT-EN R442 BKLT-VBRI 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 29 Due to LG doen't request PC'99 Function. DSUB_5V D401 D403 CMVCC DSUB_5V 2 BAT54C 5, 6 CMVCC D401 14.5V OTHER BAV99 NC/BAV99 VCC3.3 CN404 R480 CMVCC1 SM340A D402 2.2 OHM +-5% 2WS CMVCC CMVCC1 R479 VCC1.8 CMVCC 14.5V R450 14.5V NC(R0402) VCC1.8 C_PANEL_INDEX...
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Page 30: 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 2N2 500V 2N2 500V 1000PF/250VAC R906 30 OHM 1/4W R918 250OHM2W C912 MTZJ T-72 18B 1000uF 25V T901 D903 31DQ10FC POWER X'FMR R916... - Page 31 +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 G3189-P02-LED-X-19-101108...
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Page 32: Key Board
6.3 Key Board 715G3584K01000004F 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 33: Pcb Layout
7. PCB Layout 7.1 Main Board 715G4734M01000004I... -
Page 37: Power Board
7.2 Power Board 715G3189P02LED001S... -
Page 40: Key Board
7.3 Key Board 715G3584K01000004K... -
Page 41: 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 42: 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 43 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 Replace the LVDS/FFC Check the LVDS/FFC cable or panel cable or panel Replace the key board...
- Page 44 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 45 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...
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Page 46: White-Balance, Luminance Adjustment
= 313 ±30, y = 329 ±30, Y>150cd/m Enter into Factory mode of AOC e1621Sw: Press the MENU button, pull out the power cord, and then plug the power cord. You will enter into factory mode. - Page 47 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. The LCD-indicator on chroma 7120 will show x = 283 ±30, y = 297 ±30, Y>130cd/m 4.
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Page 48: Monitor Exploded View
10. Monitor Exploded View... - Page 49 Description Description BEZEL REAR COVER KEY FUNTION HINGE 15.6 LENS POWER STAND COVER KEY BOARD STAND PANEL BASE POWER BOARD FOOT MAIN BOARD INSULATING SHEET MAIN_FRAME Part No. Quantity Description 0G1G1030 6120 SCREW M3X6 (FOR MB&PB/ MAIN_FRAME) AM1G1740 12 47 CR3 SCREW (FOR REAR COVER/HINGE) AM1G1740 10 47 CR3 SCREW (FOR STAND COVER / HINGE)
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Page 50: Bom List
2nd source E09502 095G8014 6XJ16 HARNESS 6P(A2008H)-6P(A1253HA) 100MM 707GQA12005 EMI ASS'Y 052G 1211 B CONDUCTIVE TAPE 85mm *40mm *0.09mm 708G6014 CP AOC 40(3402) Q45G 77 5 PE PACKING (Y1900241) Q50G 4 10 TIE (Y1900221) Q52G 1185 99 TAPE E750 750NBC156WB112N000... - Page 51 BASE Q40G 15N61568A RATING LABEL Q40G000267351A SA SERVICE LABEL Q40G000362416B WIN7+GOLD EPEAT+EPA(59X15mm) Q41G78S161536A e1621Sw QSG Q44G6014615 1B CARTON FOR e1621Sw Q45G 88609201 EPE BAG Q70G16C1615 8B e1621Sw CD MANUAL 041G780061513B INPUT NOT SUPPORT CARD 041G780061545B WARRANTY BOOKLET Q41G780A61510A WARRANTY CARD SA(SPANISH)
- Page 52 CN101 088G 35315F XH D-SUB 15PIN VERTICAL CONN WITH SCREW 2nd source X401 093G 22 53 J CRYSTAL 14.31818MHZ/32PF49US 2nd source X401 093G 22 53 YC Crystal 14.31818MHz/32PF 49U/S YC 709G4734 QM001 CONSUMPTIVE ASS'Y 055G 23524 WELDING FLUX WITHOUT PB C423 067G 3051013PB EC 105C 100uF M 16V 5*11mm...
- Page 53 R467 061G0402000 JF RST CHIPR MAX0R05 1/16W FENGHUA R402 061G0402000 JF RST CHIPR MAX0R05 1/16W FENGHUA R401 061G0402000 JF RST CHIPR MAX0R05 1/16W FENGHUA R412 061G0402101 JF RST CHIPR 100 OHM +-5% 1/16W FENGHUA R413 061G0402101 JF RST CHIPR 100 OHM +-5% 1/16W FENGHUA R420 061G0402101 JF RST CHIPR 100 OHM +-5% 1/16W FENGHUA...
- Page 54 R437 061G0402103 JF RST CHIPR 10KOHM +-5% 1/16W FENGHUA R433 061G0402103 JF RST CHIPR 10KOHM +-5% 1/16W FENGHUA R417 061G0402103 JF RST CHIPR 10KOHM +-5% 1/16W FENGHUA R414 061G0402103 JF RST CHIPR 10KOHM +-5% 1/16W FENGHUA R408 061G0402103 JF RST CHIPR 10KOHM +-5% 1/16W FENGHUA R407 061G0402103 JF RST CHIPR 10KOHM +-5% 1/16W FENGHUA...
- Page 55 R428 061G04023901FT RST 0402 3.9K 1% 1/16W TZAI YUAN R427 061G04023901FT RST 0402 3.9K 1% 1/16W TZAI YUAN R421 061G04023901FT RST 0402 3.9K 1% 1/16W TZAI YUAN R410 061G0402392 JF RST CHIPR 3.9KOHM +-5% 1/16W FENGHUA R410 061G0402392 JI TEST ONLY RST 0402 3.9K 5% 1/16W TA-I R410 061G0402392 JT RST CHIP R 3K9 +/-5% 1/16W TZAI YUAN...
- Page 56 C420 065G040210412K CAP CHIP 0402 100nF 16V X7R C419 065G040210412K CAP CHIP 0402 100nF 16V X7R C417 065G040210412K CAP CHIP 0402 100nF 16V X7R C416 065G040210412K CAP CHIP 0402 100nF 16V X7R C407 065G040210412K CAP CHIP 0402 100nF 16V X7R C406 065G040210412K CAP CHIP 0402 100nF 16V X7R...
- Page 57 C107 065G040247312K CAP 0402 47NF 10% 16V X7R C109 065G040247312K CAP 0402 47NF 10% 16V X7R C110 065G040247312K CAP 0402 47NF 10% 16V X7R C113 065G040247312K CAP 0402 47NF 10% 16V X7R C106 065G040247312K CAP 0402 47NF 10% 16V X7R C105 065G040247312K CAP 0402 47NF 10% 16V X7R...
- Page 58 C003 065G060310432K CAP 0603 100NF 10% 50V X7R C004 065G060310432K CAP 0603 100NF 10% 50V X7R C003 065G060310432K CAP CHIP 0603 0.1UF K 50V X7R C004 065G060310432K CAP CHIP 0603 0.1UF K 50V X7R LED01 081G 14 12 GP CHIP LED GPTD1210YBC5-D LED01 081G 14 12 KT CHIP LED...
- Page 59 T901 080GL19P 1 N X'FMR 1.1mH 10% 20uH MAX YUVA-1208 CN901 087G 501 32 S AC SOCKET ST-01CP-BCE-R 2nd source CN901 087G 501 32 DL AC SOCKET DIP 3PIN+2PIN GROUND BD901 093G 50460 28 BRIDGE DIODE KBP208G LITEON BD901 093G 50460502 BRIDGE KBP206G C2 2nd source D906...
- Page 60 R904 061G1206300 JF RST CHIPR 30 OHM +-5% 1/4W FENGHUA R905 061G1206300 JF RST CHIPR 30 OHM +-5% 1/4W FENGHUA R906 061G1206300 JF RST CHIPR 30 OHM +-5% 1/4W FENGHUA R907 061G1206300 JF RST CHIPR 30 OHM +-5% 1/4W FENGHUA R908 061G1206300 JF RST CHIPR 30 OHM +-5% 1/4W FENGHUA...
- Page 61 R919 061G152M10452T NO-SUGGEST RST MOFR 100KOHM +-5% 2WS R918 061G152M25152T RST MOFR 250 OHM +-5% 2WS C906 065G 2K152 2T6921 CAP CER 1500pF K 2KV Y5P C913 067G 2046812KT CS CAP 680uF 10V 8*11 mm C913 067G 2046812LT CAP CS 680UF 20% 10V 8*11.5 C908 067G 2154707NT KY50VB47M-TP5 6.3*11...