AOC T16 Service Manual
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AOC T16 Service Manual

AOC T16 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 Instruction...............................................6
3.1.General Instructions.................................................6
3.2.Control Button......................................................6
3.3.OSD Menu............................................................8
4.Input/Output Specification.......................................10
4.1.Input Signal Connector.........................................10
4.2.Factory Preset Display Modes...............................10
4.3.Panel Specification.............................................11
5.Block Diagram........................................................13
5.1.Main Board......................................................13
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
5.2.Power Board.............................................14
6.Schematic.......................................................15
6.1.Main Board....................................................15
6.2.Power Board..................................................20
6.3.Key Board......................................................21
7.PCB Layout.....................................................22
7.1.Main Board....................................................22
7.2.Power Board..................................................26
7.3.Key Board....................................................28
8.Maintainability..................................................29
8.2.Trouble Shooting..........................................30
10.Monitor Exploded View.................................36
11.BOM List...................................................38
SAFETY NOTICE
AOC T16
Horizontal Frequency
30-60 kHz
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Summary of Contents for AOC T16

  • Page 1: Table Of Contents

    15.6" LCD Color Monitor AOC T16 Service Service Service Horizontal Frequency 30-60 kHz Table of Contents Description Page Description Page Table of Contents..……......……..1 5.2.Power Board……………..……………...…..14 Revision List.…........…………..2 6.Schematic……………........15 Important Safety Notice.……......……..3 6.1.Main Board………...........15 1.Monitor Specification......………..4 6.2.Power Board...…….........20 2.LCD Monitor Description……………………………..5 6.3.Key Board...……..........21...

  • Page 2: Revision List

    Revision List Version Release Date Revision History TPV Model Name Aug.9,2011 Initial release T6BMN32EW11UNN Dec.5,2011 Add new model T6BAN32EW11UNN...

  • 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 Specifications Driving system TFT Color LCD LCD Panel Size 395mm Pixel pitch 0.252mm( H )x 0.252mm( V ) Video R,G,B Analog Interface Input Separate Sync. H/V TTL H-Frequency 30kHz – 60kHz V-Frequency 60Hz Display Colors 16.7M Colors Dot Clock 85.5MHz(typ) Max.

  • 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 Instruction

    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 • + /Image Ratio: Activates the Imagic Ratio control when the OSD is OFF or navigate through adjustment icons when OSD is ON or adjust a function when function is activated. • Auto Adjust button / Exit: 1. When OSD menu is in active status, this button will act as EXIT-KEY (EXIT OSD menu). 2.

  • Page 8: Osd Menu

    3.3 OSD Menu 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 it. If the function selected has a sub-menu, press + or - again to navigate through the sub-menu functions.
  • Page 9 Main Menu Item Main Menu Icon Sub Menu Item Sub Menu Description Warm Recall Warm Color Temperature from EEPROM. Normal Recall Normal Color Temperature from EEPROM. Cool Recall Cool Color Temperature from EEPROM. sRGB Recall SRGB Color Temperature from EEPROM. Color Temp.

  • Page 10: Input/Output Specification

    4. Input/Output Specification 4.1 Input Signal Connector PIN NO. Description PIN NO. Description Green Ground Blue Ground Ground DDC-Serial Data VGA-CON H-Sync R-Ground V-Sync G-Ground DDC-Serial Clock B-Ground 4.2 Factory Preset Display Modes Standard Resolution Horizontal Frequency (kHz) Vertical Frequancy (Hz) 720 x 400 31.47 70.0...

  • Page 11: Panel Specification

    4.3 Panel Specification 4.3.1 General Features N156B6-L0B is a 15.6″ (15.547″ diagonal) TFT Liquid Crystal Display module with LED Backlight unit and 40 pins LVDS interface. This module supports 1366 x 768 HD mode and can display 262,144 colors. The optimum viewing angle is at 6 o’clock direction.
  • Page 12 4.3.4 Optical Characteristics 1. TEST CONDITIONS 2. OPTICAL SPECIFICATIONS...

  • Page 13: Block Diagram

    5. Block Diagram 5.1 Main Board Crystal 12MHZ Panel Interface (CN409) (X401) Scaler NT68620FG/B Flash Memory Key Control Interface Pm25LD020C-SCE (Include MCU, ADC, OSD) (CN402) (U402) (U401) H sync EEPROM V sync CAT24C02WI DDC1_SCL (U101) DDC1_SDA D-Sub Connector (CN101)

  • Page 14: 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 15: Schematic

    6. Schematic 6.1 Main Board 715G4870M01000004L CN101 D-SUB 15P DET_VGA R102 100R 1/16W 5% VGA_CABLE_DET VGA_CABLE_DET 5 VGA_5V DDCSCL1 R101 DDCSCL_A DDCSCL1 100R 1/16W 5% VGA_5V VSIN0 BIN0- HSIN0 BIN0 R103 R104 R105 C102 GIN0- ZD101 BIN0 0R05 1/16W 0R05 1/16W 100R 1/16W 5% 47N16V DDCSDA1...
  • Page 16 R127 DVI_CABLE_DET 5 NC/100R 1/16W 5% DVI5V CN102 3,5,7 VSY NC DET_DVI DVI5V SY NC GND SCL_DVI R128 NC/100R 1/16W 5% D102 DDC SCL SDA_DVI R129 NC/100R 1/16W 5% ESD_DVI NC/BAV70 DDC SDA DVI5V R130 NC/10K 1/16W 5% U104 Q101 ESD_DVI ESD_DVI 1/3shield...
  • Page 17 VCC1.8 VCC1.8 PB[2..9] R402 NC/2K2 1/16W 5% PB[2..9] FB401 R403 NC/2K2 1/16W 5% CVDD 300OHM LVBCKP VCC3.3 LVBCKM LVB2P C401 C402 C403 LVB2M 4.7UF 10V 10N 50V 10N 50V LVB1P C0805 LVB1M CN401 LVB0P NC/8PIN LVB0M VCC3.3 FB402 300OHM ADC_VAA VCC3.3 ADC3 R406...
  • Page 18 14V51 CN409 PB[2..9] PB[2..9] BKLT-EN BKLT-EN LVBCKP BKLT-VBRI BKLT-VBRI LVBCKM LVB2P LVB2M LVB1P LVB1M LVB0P LVB0M R462 0R05 1/16W LVBCKP RXOC+ LVBCKM RXOC- VLCD LVB2P RXO2+ LVB2M RXO2- LVB1P RXO1+ VLCD LVB1M RXO1- R461 LVB0P RXO0+ 0R05 1/16W LVB0M RXO0- CONN Connector 14V51...
  • Page 19 VCC3.3 U701 NC/AP2114H-3.3TRG1 FB701 0 OHM +-5% 1/8W 3,4,5 VCC3.3 VCC3.3 14V5 14V5 C701 R702 22K 1/16W 5% 10N 50V CN701 R703 100R 1/16W 5% Adj_BACKLIGHT 5 C706 VCC3.3 10N 50V C705 100uF16V R704 BKLT-VBRI R799 10K 1/16W 5% 10K 1/16W 5% ON/OFF BKLT-EN VOUT...

  • Page 20: 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 21: 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 22: Pcb Layout

    7. PCB Layout 7.1 Main Board 715G4870M01000004L...

  • Page 26: Power Board

    7.2 Power Board 715G3189P02LED001S...

  • Page 28: Key Board

    7.3 Key Board 715G3584K01000004K...

  • Page 29: 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 30: 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 31 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 32 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 33 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 34: White-Balance, Luminance Adjustment

    9. White- Balance, Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment. How to setting MEM channel you can reference to chroma 7120 user guide or simpl use “SC” key and “NEXT” Key to modify xyY value and use “ID”...
  • Page 35 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 ±20, y = 297 ±20, Y>130 4.

  • Page 36: Monitor Exploded View

    10. Monitor Exploded View...
  • Page 37 Description BEZEL KEY FUNTION 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(MAIN&POWER BOARD/MAIN_FRAME) FOOT AM1G1740 12 47 CR3 SCREW(STAND/HINGE/REAR COVER) INSULATING SHEET AM1G1740 10 47 CR3 SCREW(HINGE/STAND)

  • Page 38: Bom List

    11. BOM List Note: The parts information listed below are for reference only, and are subject to change without notice. Please go to http://cs.tpv.com.cn/hello1.asp for the latest information. T6BMN32EW11UNN Location Part No. Description Remark 040G 581909 1A PROTECT LABEL E08902 089G 725CAADBD D-SUB CABLE 1500MM 2nd source...
  • Page 39 REAR COVER Q34G7136AED 1S0130 BASE Q40G 15N62413A RATING LABEL Q40G0002624A14 POP NU LOGO Q40G0002624B13 NU LOGO LABEL FOR CARTON Q44G6014600 1A CARTON T16 Q45G 88609201 EPE BAG ECN409 S95G176T40N504 LVDS ASS'Y Q41G16M1624 3A T16 MANUAL Q45G2010M0201A P.E. BAG (INSTR. BOOK)
  • Page 40 U703 056G 563248 LDO LSP2159BE18AD SOT223 B-TY 1.5A/1.8V U102 056G 662 48 ESD PROTECT AZC399-04S.R7G SOT23-6L U103 056G 662 48 ESD PROTECT AZC399-04S.R7G SOT23-6L U101 056G1133956 IC CAT24C02WI-GT3 SO-8 U402 056G2233 11 IC PM25LD020C-SCE SIOC-8(150MIL) 2M Q401 057G 417517 TRA LMBT3906LT1G -200MA/-40V SOT-23 LRC Q402 057G 417517 TRA LMBT3906LT1G -200MA/-40V SOT-23 LRC...
  • Page 41 R121 061G0402101 JF RST CHIPR 100 OHM +-5% 1/16W FENGHUA R123 061G0402101 JF RST CHIPR 100 OHM +-5% 1/16W FENGHUA R124 061G0402101 JF RST CHIPR 100 OHM +-5% 1/16W FENGHUA R431 061G0402101 JF RST CHIPR 100 OHM +-5% 1/16W FENGHUA R703 061G0402101 JF RST CHIPR 100 OHM +-5% 1/16W FENGHUA...
  • Page 42 R425 061G0402103 JF RST CHIPR 10KOHM +-5% 1/16W FENGHUA R419 061G0402103 JF RST CHIPR 10KOHM +-5% 1/16W FENGHUA R772 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R799 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R714 061G0402103 JT RST CHIP 10K 1/16W 5% TZAI YUAN R704 061G0402103 JT...
  • Page 43 R416 061G0402224 JT RST CHIP 220K 1/16W 5% TZAI YUAN R405 061G04023901FF RST CHIPR 3.9KOHM +-1% 1/16W FENGHUA R404 061G04023901FF RST CHIPR 3.9KOHM +-1% 1/16W FENGHUA R401 061G04023901FF RST CHIPR 3.9KOHM +-1% 1/16W FENGHUA R401 061G04023901FT RST 0402 3.9K 1% 1/16W TZAI YUAN R404 061G04023901FT RST 0402 3.9K 1% 1/16W TZAI YUAN...
  • Page 44 R449 061G1206221 JT RST CHIPR 220 OHM +-5% 1/4W TZAI YUAN R448 061G1206221 JT RST CHIPR 220 OHM +-5% 1/4W TZAI YUAN C120 065G040210232K CAP CHIP 0402 1000PF 50V X7R C120 065G040210232K CAP CHIP 0402 1N 50V X7R +/-10% C422 065G040210332K CAP 0402 10NF 10% 50V X7R C424...
  • Page 45 C114 065G040210332K CAP CHIP 0402 10N 50V X7R +/-10% C402 065G040210332K CAP CHIP 0402 10N 50V X7R +/-10% C403 065G040210332K CAP CHIP 0402 10N 50V X7R +/-10% C405 065G040210332K CAP CHIP 0402 10N 50V X7R +/-10% C415 065G040210332K CAP CHIP 0402 10N 50V X7R +/-10% C417 065G040210332K CAP CHIP 0402 10N 50V X7R +/-10%...
  • Page 46 C108 065G040247312K CAP 0402 47NF 10% 16V X7R C107 065G040247312K CAP 0402 47NF 10% 16V X7R C105 065G040247312K CAP 0402 47NF 10% 16V X7R C104 065G040247312K CAP 0402 47NF 10% 16V X7R C102 065G040247312K CAP 0402 47NF 10% 16V X7R C109 065G040250931C CAP CHIP 0402 5PF 50V NP0 +/-0.25PF...
  • Page 47 R004 061G0603202 JT RST 0603 2K 5% 1/10W R002 061G0603202 JT RST 0603 2K 5% 1/10W 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...
  • Page 48 T901 080GL19P 1 H X'FMR 1.1MH 10% 20UH MAX BCK-12510-HA T901 080GL19P 1 L POWER X'FMR 1.1MH 10% PT-0112045-2 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...
  • Page 49 R910 061G1206101 JT RST CHIPR 100 OHM +-5% 1/4W TZAI YUAN R926 061G1206229 JY RST 1206 2.2R 5% 1/4W 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...
  • Page 50 Q901 057G 530503 T 2SD1207T Q901 057G 761 16 TRA KTD1028 KEC 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...

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