AOC 2116Sw Service Manual

22” lcd color monitor

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22" 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 Instruction...............................................6
3.1 General Instructions................................................6
3.2 Control Button.......................................................6
3.3 Adjusting the Picture................................................7
4. Input/Output Specification....................................14
4.1 Input Signal Connector..........................................14
4.2 Factory Preset Display Modes................................15
N
4.3 Panel Specification..............................................16
5. Block Diagram.......................................................18
5.1 Soft Flow Chart.................................................18
5.2 Electrical Block Diagram.................................20
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......................................................22
6.1 Main Board............................................................22
6.2 Power Board.........................................................26
6.3 Key Board...................................................28
7.PCB Layout.....................................................29
7.1 Main Board..........................................................29
7.2 Power Board.........................................................31
7.3 Key Board............................................................33
8. Maintainability......................................................34
8.1 Equipments and Tools Requirement......................34
8.2 Trouble Shooting..................................................35
10. Monitor Exploded View.......................................43
11. BOM List................................................................44
12.Different Part List........................................... 55
SAFETY NOTICE
1
AOC 2116Sw
Horizontal Frequency
30kHz - 80kHz
Page

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Summary of Contents for AOC 2116Sw

  • Page 1: Table Of Contents

    22” LCD Color Monitor AOC 2116Sw Service Service Service Horizontal Frequency 30kHz – 80kHz TABLE OF CONTENTS Description Page Description Page Table Of Contents..……....…....…..1 6.Schematic……………........…22 Revision List.…........……..2 6.1 Main Board.…..…...……..........22 Important Safety Notice.……..………....……..3 6.2 Power Board..………..……........26 1. Monitor Specification..….......………..4 6.3 Key Board…………………………………………...28 2.
  • Page 2: Revision List

    22” LCD Color Monitor AOC 2116Sw Revision List Revision Date Revision History TPV Model TC7CMADBLWA5NN/ TC7CMADPLWXMNF/ June-30-07 Initial Release TC7CMADPLWXMNN/ TC7CMADQLWA2NF/ TC7CMADQLWA2NN...
  • Page 3: Important Safety Notice

    AOC 2116Sw 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

    22” LCD Color Monitor AOC 2116Sw 1. Monitor Specifications Driving system TFT Color LCD Size 54.8cm ( 21.6" 16:10 ) LCD Panel Pixel pitch 0.277mm(H) x 0.277mm(V) 165 MHz Dot Clock Display Colors 16.7M Colors Video R, G, B Analog Interface Separate Sync.
  • Page 5: Lcd Monitor Description

    22” LCD Color Monitor AOC 2116Sw 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 Instruction

    22” LCD Color Monitor AOC 2116Sw 3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences.
  • Page 7: Adjusting The Picture

    22” LCD Color Monitor AOC 2116Sw 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 it. If the function selected has a sub-menu, press or again to navigate through the sub-menu functions.
  • Page 8 22” LCD Color Monitor AOC 2116Sw "Color Temperature "in the OSD menu. When adjusting YCM values, RBG values will also be changed automatically due to the color correlation between RGB and YCM. Five color-enhancement settings: To accommodate various display needs, Color Boost also offers 5 different color enhancement modes: Full Enhance, Natural Skin, Green Field, Sky Blue, and Auto-Detect.
  • Page 9 22” LCD Color Monitor AOC 2116Sw Nature Skin: When "Natural Skin" is turned on, the red and yellow colors are enriched automatically, thus presents human skin with more natural and truer colors. "Natural Skin" setting is ideal for viewing human portrait and detailed skin texture.
  • Page 10 22” LCD Color Monitor AOC 2116Sw Sky Blue: When"Sky Blue" is turned on, the color blue is being fine-tuned so that the sky or ocean landscape will look more vivid and in-depth. "Sky Blue" setting is ideal for viewing sky and ocean images.
  • Page 11 22” LCD Color Monitor AOC 2116Sw Disclaimer: DCB aftereffects are subject to the resolution and quality of the display content, hence may look different than the above illustrations. DCR Adjustment What is DCR? Dynamic Contrast Ratio (DCR) auto adjusts the brightness of the screen so users can see the darker areas of the displayed content in more depths.
  • Page 12 22” LCD Color Monitor AOC 2116Sw Function Control Illustration Luminance Adjust Range Description Brightness 0-100 Backlight Adjustment Contrast 0-100 Contrast from Digital-register. Standard Standard Mode Eco mode Text Text Mode Internet Internet Mode Game Game Mode Movie Movie Mode Sports...
  • Page 13 22” LCD Color Monitor AOC 2116Sw Green Field on or off Disable or Enable Green Field Mode Sky-blue on or off Disable or Enable Sky-blue Mode AutoDetect on or off Disable or Enable AutoDetect Mode Demo on or off Disable or Enable Demo...
  • Page 14: Input/Output Specification

    22” LCD Color Monitor AOC 2116Sw 4. Input/Output Specification 4.1 Input Signal Connector Pin No. Description Pin No. Description Green Detect Cable Blue N.C. N.C. DDC-Serial Data Ground H-Sync R-Ground V-Sync G-Ground DDC-Serial Clock B-Ground...
  • Page 15: Factory Preset Display Modes

    22” LCD Color Monitor AOC 2116Sw 4.2 Factory Preset Display Modes...
  • Page 16: Panel Specification

    22” LCD Color Monitor AOC 2116Sw 4.3 Panel Specification CLAA220WA01 OVERVIEW CLAA220WA01 is 22.0” color TFT-LCD (Thin Film Transistor Liquid Crystal Display) module composed of LCD panel, driver ICs, control circuit and backlight. By applying 6 bit digital data, 1680×1050, 16.7M-color images are displayed on the 21.6”...
  • Page 17 22” LCD Color Monitor AOC 2116Sw Optical Characteristics...
  • Page 18: Block Diagram

    22” LCD Color Monitor AOC 2116Sw 5. Block Diagram 5.1 Software Flow Chart...
  • Page 19 22” LCD Color Monitor AOC 2116Sw 1) MCU initializes. 2) Is the EPROM blank? 3) Program the EPROM by default values. 4) Get the PWM value of brightness from EPROM. 5) Is the power key pressed? 6) Clear all global flags.
  • Page 20: Electrical Block Diagram

    22” LCD Color Monitor AOC 2116Sw 5.2 Electrical Block Diagram 5.2.1 Main Board LCD PANEL Crystal14.31818MHz (CN301) (X201) FLASH ROM Scalar IC TSUMU58BWHL-LF PM25LV010A (Include ADC, OSD, MCU) EPR_SDA (U402) (U202) EPR_SCL H sync V sync EEPROM D-Sub M24C04-WMN6TP Connector...
  • Page 21 22” LCD Color Monitor AOC 2116Sw 5.2.2 Inverter/Power Board 5V Rectifier and Filter Transformer Bridge Rectifier and T901 14V Rectifier EMI filter Filter and Filter Start Circuit: R904 R932 R933 CN902 Feedback Over PWM Control IC Voltage Circuit IC TEA1530...
  • Page 22: Schematic

    22” LCD Color Monitor AOC 2116Sw 6. Schematic 6.1 Main Board...
  • Page 23 22” LCD Color Monitor AOC 2116Sw...
  • Page 24 22” LCD Color Monitor AOC 2116Sw...
  • Page 25 22” LCD Color Monitor AOC 2116Sw...
  • Page 26: Power Board

    22” LCD Color Monitor AOC 2116Sw 6.2 Power Board 1/4W R918 F902 0R05 1/4W 1K 1/4W 1K 1/4W 1K 1/4W 1K 1/4W +14V 1/4W R919 L904 C912 1.1uH 0.001uF ZD902 1/4W R920 RLZ15B C917 C918 C922 R929 680uF/25V 680uF/25V T901...
  • Page 27 22” LCD Color Monitor AOC 2116Sw T801 POWER X'FMR D805 R817 R821 CN801 BAW56 10K 1/10W 1K 1/10W 1% R855 CONN 1/4W F801 C819 0R05 1/4W 0.0022uF +12V C801 C802 10pF/3KV 470uF/25V C824 R801 D801 3.6K 1/10W 0.1uF 1K 1/10W 1%...
  • Page 28: Key Board

    22” LCD Color Monitor AOC 2116Sw 6.3 Key Board...
  • Page 29: Pcb Layout

    22" LCD Color Monitor AOC 2116Sw 7. PCB Layout 7.1 Main Board...
  • Page 30 22" LCD Color Monitor AOC 2116Sw...
  • Page 31: Power Board

    22” LCD Color Monitor AOC 2116Sw 7.2 Power Board...
  • Page 32 22” LCD Color Monitor AOC 2116Sw...
  • Page 33: Key Board

    22” LCD Color Monitor AOC 2116Sw 7.3 Key Board...
  • Page 34: Maintainability

    22” LCD Color Monitor AOC 2116Sw 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 35: Trouble Shooting

    22” LCD Color Monitor AOC 2116Sw 8.2 Trouble Shooting 8.2.1 Main Board (1) No Power No power Press power key and look if the picture is normal Please reinsert and make sure the 5V and 12V input is normal Reinsert or check the power section Measure U701 Pin2=3.3V and U702 PIN2=1.8V...
  • Page 36 22” LCD Color Monitor AOC 2116Sw (2) No picture No picture The button if under X201 oscillate Replace X201 control waveform is normal Check Correspondent Check reset circuit of component U202 is normal Measure U701 PIN2=3.3V and U702 PIN2=1.8V Replace U202...
  • Page 37 22” LCD Color Monitor AOC 2116Sw (3) White screen White screen Measure Q301 base X201 oscillate waveform is normal is low level? Replace X201 Check Q301,Q302 Check reset circuit of broken or CN401 solder? U202 is normal Check Correspondent Check Correspondent component.
  • Page 38 22” LCD Color Monitor AOC 2116Sw 8.2.2 Power/Inverter Board No power Check CN902 pin4, 5 = 12V Check AC line volt 110V or 220V Check AC input Check the voltage of C905(+) Check bridge rectified circuit and F901 circut Check start voltage for the pin8 of IC901...
  • Page 39 22” LCD Color Monitor AOC 2116Sw W / LED, No Backlight Check CN902 pin4, 5 = 12V Check the adapter and F801 Formatted: Font color: Red Check ON/OFF signal and the pin 12 of IC801 is 14V Check main board or change ON/OFF signal...
  • Page 40 22” LCD Color Monitor AOC 2116Sw 8.2.3 Keypad Board OSD is unstable or not working Is Key Pad Board connecting normally? Connect Key Pad Board Replace Button Switch Is Button Switch normally? Is Key Pad Board normally? Replace Key Pad Board...
  • Page 41: White-Balance, Luminance Adjustment

    = 313 ±20, y = 329 ±20, Y= 180cd/m 3. Into Factory mode of AOC 2116Sw: Press the MENU button, pull out the power cord, and then plug the power cord. Then the factory OSD will be at the left top of the panel.
  • Page 42 22” LCD Color Monitor AOC 2116Sw 5. Adjust the GREEN on factory window until chroma 7120 indicator reachedthe value G=100 6. Adjust the BLUE on factory window until chroma 7120 indicator reached the value B=100 7. Repeat above procedure (item 4,5,6) until chroma 7120 RGB value meet the tolerance =100±2 C.
  • Page 43: Monitor Exploded View

    22” LCD Color Monitor AOC 2116Sw 10. Monitor Exploded View...
  • Page 44: Bom List

    22” LCD Color Monitor AOC 2116Sw 11. BOM List TC7CMADBLWA5NN Location TPV Part No. Description 040G 581689 4A SERIAL LABEL FOR MONITOR 041G780061554A SERVICE CENTER LIST 044G6002757 1A PAPER PLATE 044G9003214 CORNER PAPER 044GH600 1 HANDLE 2 050G 600 4...
  • Page 45 22” LCD Color Monitor AOC 2116Sw C408 067G 3151014KV EC 105 CAP 100UF M 25V C202 067G215V100 7R LOW E.S.R 10UF +/-20% 50V C209 067G215V100 7R LOW E.S.R 10UF +/-20% 50V C220 067G215V100 7R LOW E.S.R 10UF +/-20% 50V CN101...
  • Page 46 22” LCD Color Monitor AOC 2116Sw R405 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R118 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R203 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R205 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R209 061G0402103...
  • Page 47 22” LCD Color Monitor AOC 2116Sw R101 061G0603000 RST CHIPR 0 OHM +-5% 1/10W R302 061G0805331 RST CHIPR 330 OHM +-5% 1/8W C106 065G0402102 32 1000PF +-10% 50V X7R C212 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C211 065G0402104 15 MLCC 0402 0.1UF K 16V X5R...
  • Page 48 22” LCD Color Monitor AOC 2116Sw C224 065G0402224 17 CAP CER 0.22UF -20%-80% C218 065G0402224 17 CAP CER 0.22UF -20%-80% C113 065G0402473 12 CHIP 0.047UF 16V X7R C110 065G0402473 12 CHIP 0.047UF 16V X7R C109 065G0402473 12 CHIP 0.047UF 16V X7R...
  • Page 49 22” LCD Color Monitor AOC 2116Sw R006 061G0603000 RST CHIPR 0 OHM +-5% 1/10W R007 061G0603000 RST CHIPR 0 OHM +-5% 1/10W R002 061G0603202 RST CHIPR 2 KOHM +-5% 1/10W R004 061G0603202 RST CHIPR 2 KOHM +-5% 1/10W 715G2636 1...
  • Page 50 22” LCD Color Monitor AOC 2116Sw Q901 057G 667 21 STP10NK70ZFP 090G6263 1 HEAT SINK AM1G1730 8120 GP SCREW 705G 193 93 01 D906 ASS'Y D906 093G 60218 SB10100FCT AM1G1730 8120 GP SCREW Q90G6274 2 HEAT SINK IC801 056G 379 22...
  • Page 51 22” LCD Color Monitor AOC 2116Sw R828 061G0603100 2F RST CHIPR 10 KOHM +-1% 1/10W R817 061G0603100 2F RST CHIPR 10 KOHM +-1% 1/10W R813 061G0603100 2F RST CHIPR 10 KOHM +-1% 1/10W R808 061G0603100 2F RST CHIPR 10 KOHM +-1% 1/10W...
  • Page 52 22” LCD Color Monitor AOC 2116Sw JR801 061G1206000 RST CHIPR 0 OHM +-5% 1/4W JR802 061G1206000 RST CHIPR 0 OHM +-5% 1/4W JR803 061G1206000 RST CHIPR 0 OHM +-5% 1/4W JR804 061G1206000 RST CHIPR 0 OHM +-5% 1/4W JR805 061G1206000...
  • Page 53 22” LCD Color Monitor AOC 2116Sw C840 065G0805102 31 1000PF 50V NPO C839 065G0805102 31 1000PF 50V NPO C910 065G0805102 32 CHIP 1000P 50VX7R 0805 C931 065G0805104 32 CHIP 0.1U 50V X7R C930 065G0805104 32 CHIP 0.1U 50V X7R C916 065G0805104 32 CHIP 0.1U 50V X7R...
  • Page 54 1.5MM RIVET R936 061G0805204 RST CHIPR 200 KOHM +-5% 1/8W Q07G 7 T178 COMPOUND PALLET Q40G 22N61515A RATING LABEL Q40G0002615A02 POP LABEL FOR 2116Sw Q40G000267311A WINDOW VISTA LABEL Q41G7800615A98 Q44GC015 1 EPS(L) Q44GC015 2 EPS(L) Q44GC015615 3A AOC 22 LCD CARTON...
  • Page 55: Different Part List

    7 T173 COMPOUND PALLET Q40G 22N61516A RATING LABEL Q40G000260811A BASIC LABEL Q44G6002121118 PAPER BOARD Q44GC015615 2A AOC 22 LCD CARTON 041G780061513B INPUT NOT SUPPORT CARD 041G780061518B EASE PROGRAM Q41G7800615A69 MEXICO CENTER LIST Q41G7800615A93 WARRANTY CARD FOR MEXICO Q45G 76 28 C...
  • Page 56 7 T173 COMPOUND PALLET Q40G 22N61516A RATING LABEL Q40G000260811A BASIC LABEL Q44G6002121118 PAPER BOARD Q44GC015615 2A AOC 22 LCD CARTON 041G780061513B INPUT NOT SUPPORT CARD 041G780061518B EASE PROGRAM Q41G7800615A69 MEXICO CENTER LIST Q41G7800615A93 WARRANTY CARD FOR MEXICO Q45G 76 28 C...
  • Page 57 Q07G 7 T173 COMPOUND PALLET Q40G 22N61517A RATING LABEL Q40G000260811A BASIC LABEL Q44G6002121118 PAPER BOARD Q44GC015615 2A AOC 22 LCD CARTON 041G780061513B INPUT NOT SUPPORT CARD 041G780061518B EASE PROGRAM 041G780061545B WARRANTY BOOKLET Q41G780A61510A WARRANTY CARD SA(SPANISH) Q41G780A61511A NEW SA CENTER LIST...
  • Page 58 Q07G 7 T173 COMPOUND PALLET Q40G 22N61517A RATING LABEL Q40G000260811A BASIC LABEL Q44G6002121118 PAPER BOARD Q44GC015615 2A AOC 22 LCD CARTON Q45G 76 28 C PE BAG 041G780061513B INPUT NOT SUPPORT CARD 041G780061518B EASE PROGRAM 041G780061545B WARRANTY BOOKLET Q41G780A61510A WARRANTY CARD SA(SPANISH)

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