AOC T27013 Service Manual
AOC T27013 Service Manual

AOC T27013 Service Manual

27" lcd-tv

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27" LCD-TV
Service
Service
Service
Description
Table Of Contents......................................................1
Revision List........................................................2
Important Safety Notice.....................................3
1.Specification For LCD-TV...........................................4
1.1 General Specification........................................4
1.2 LCD-TV Description............................................19
1.3.Interface Connector..........................................19
2. Precautions And Notices..................................20
2.1 Assembly Precaution..........................................20
2.2 Operating Precaution........................................20
2.3.Storage Precaution............................................20
2.4 High Voltage Warning.......................................20
3. Exploded View....................................................21
4. BOM List.............................................................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
5. Repair Flow Chart................................................55
6.PCB Layout..........................................................59
6.1 Main Board................................... ...........59
6.2.Power Board...................................................61
6.3 Tuner Board.......................................................63
6.4 Key Board....................................................63
6.5. IR Board........................................................63
6.6.1.Headphone Board....................................64
7.Block Diagram.........................................................65
7.1.Main Board.......................................................65
7.2.Power Board.............................................66
8.Schematic............................................................67
8.1 Main Board........................................................67
8.2.Power Board.....................................................79
8.3.Headphone Board..............................................81
SAFETY NOTICE
1
T27013
Horizontal Frequency
31.5-49kHz
Page

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Summary of Contents for AOC T27013

  • Page 1: Table Of Contents

    27" LCD-TV T27013 Service Service Service Horizontal Frequency 31.5-49kHz TABLE OF CONTENTS Description Page Description Page Table Of Contents..……......…..1 5. Repair Flow Chart..…………………….…………..55 6.PCB Layout..……………..………………….…..59 Revision List.…........……..2 6.1 Main Board.……………………….…… ...59 Important Safety Notice.……....……..3 6.2.Power Board.………………..………..…..…..61 1.Specification For LCD-TV……....………..4 6.3 Tuner Board.……..…..……...……..…………..…..63 1.1 General Specification……………………………..4...
  • Page 2: Revision List

    27" LCD-TV T27013 Revision List Revision Release Date Revision History TPV Model May-18-06 Initial Release EFF5MTNBC1TETMC...
  • Page 3: Important Safety Notice

    T27013 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: Specification For Lcd-Tv

    27" LCD-TV T27013 1. Specifications For LCD TV 1.1 General Specifications Items Specification Panel Type 27” CMO V270B1-L01 panel Driver Element a-si TFT active matrix Aspect Ratio 16: 9 Pixel Number 1366 x 768 Active Display Area H x V 596.259mmx335.232mm...
  • Page 5 27" LCD-TV T27013 Operating Instructions The Use Of Remote Control Press this key to turn on or Press this key to display: on stand-by the TV set. - the channel number when watching a TV program. - the input source when watching an AV program.
  • Page 6 27" LCD-TV T27013 TELETEXT The Teletext service is available in many countries under a variety of names (TOP Text, Fastext, and FLOF Text, Videotext). It is provided as a free service by television broadcasters. This service provides a real wealth of information, available at any time, on weather, sports results, news, games, etc.
  • Page 7 27" LCD-TV T27013 To Use The Menu 1. Press the MENU button repeatedly to display each menu. 2. Use the cursor up/down to select a menu item or adjust the setting of Menu item. 3. Use the cursor left/right to enter a submenu or enable the function.
  • Page 8 27" LCD-TV T27013 Audio Adjustments Display the Main menu by pressing MENU button. Select the Sound menu using the button. Press the OK button to confirm. Use the buttons to select each option. Volume: adjust as required using the buttons.
  • Page 9 27" LCD-TV T27013 Dual mode: Using buttons activate (PIP/PAP) or deactivate (Off) the PIP function. Following options are available if you have selected PIP or PAP at the PIP line. Position: use the buttons to change the position of the PIP frame on the screen.
  • Page 10 27" LCD-TV T27013 Country: Select the relevant country using the buttons. This is the country you are in, or the country whose channels you want to receive if you live near its borders. If you do not find your country, select Auto. Start: Press OK button to start channels searching.
  • Page 11 27" LCD-TV T27013 Store prog.: Allows to Save a channel on a new Program N°, to Insert a channel on an already existing Program No (the channel previously saved on this program n° will be shifted to the upper program n°) or to Delete the Program No.
  • Page 12 27" LCD-TV T27013 Input Selection To select AV source: To select desire input source, press the AV button to display the selection menu. Use the buttons to select each input sources. Press the OK button to display the desire input source.
  • Page 13 27" LCD-TV T27013 Setup This menu allows selecting the language for the menus as well as the colour of the screen when there is no video input. It allows also setting an automatic shut-off time. Display the Main menu by pressing MENU button. Select the Options menu using the button.
  • Page 14 27" LCD-TV T27013 PC Mode In PC mode, main menu is different from the one in TV mode. Please select PC as main input. PC Settings Display the Main menu by pressing MENU button. Select the PC menu using the button.
  • Page 15 27" LCD-TV T27013 Connect Peripheral Equipment Front Panel Control Knobs Button: Press this button to switch on or on standby the TV set. MENU button: Press this button to display the main menu. Buttons: Press these buttons to select a channel or to choose an option in a menu.
  • Page 16 27" LCD-TV T27013 AV Sockets (Located at the back of the TV set, on the left side)
  • Page 17 27" LCD-TV T27013 Headphone Socket (Located At The Back Of The TV Set, On The Right side) When headphones are connected, the sound of TV set is cut. Adjust headphones volume level by using + / - Buttons on the remote control. To switch off the sound of the headphone press the button on the remote control.
  • Page 18 27" LCD-TV T27013 Connect the PC IN D-sub socket located at the back of the TV set to the output of PC equipment through a mini D-sub 15 pin cable (2). Connect the stereo PC IN audio jack located at the back of the TV set (near the D-sub socket) to the audio output socket on the computer through an audio cable.
  • Page 19: Lcd-Tv Description

    27" LCD-TV T27013 1.2 LCD-TV Description The LCD TV will contain a main board, a power board, a tuner board, a keyboard, IR board, and a headphone board. The main board and power board will house the flat panel to control logic I2C bus, brightness control logic for LCD panel, DC-DC conversion to supply the appropriate power to the whole board and transmitting TTL level signals into LCD Module to drive the LCD display circuit.
  • Page 20: Precautions And Notices

    27" LCD-TV T27013 2. Precautions And Notices 2.1 Assembly Precaution (1) Please do not press or scratch LCD panel surface with anything hard. And do not soil LCD panel surface by touching with bare hands (Polarize film, surface of LCD panel is easy to be flawed). In the LCD panel, the gap between two glass plates is kept perfectly even to maintain display characteristic and reliability.
  • Page 22: Bom List

    27"LCD-TV T27013 4. BOM List EFF5MTNBC1TETMC Location Part No. for TPV model Description Quantity 007T 6 L 12 COMPOUND PALLET 1.000 007T 6 L 13 COMPOUND PALLET 1.000 015T5908 2 BRACKET 1.000 015T8156 1 HINGE PLATE 1.000 015T8158 1 BKT-CONNCTOR 1.000...
  • Page 23 27" LCD-TV T27013 0M1T 860 24128 SCREW 1.000 0M1T 940 8120 SCREW 2.000 0M1T1130 6128 SCREW 7.000 0M1T1130 6128 SCREW 5.000 0M1T1140 6128 SCREW 4X6 1.000 0M1T1740 14120 SCREW 6.000 0Q1T 340 10128 SCREW 4.000 0Q1T 340 12120 SCREW 5.000...
  • Page 24 27" LCD-TV T27013 0M1T 330 4128 SCREW 2.000 0Q1T 140 8120 SCREW 8.000 0Q1T 140 20120 SCREW 4.000 0Q1T 330 6120 SCREW 1.000 0Q1T 330 8120 SCREW 3X8mm 2.000 0Q1T 330 8120 SCREW 3X8mm 3.000 0Q1T1830 6120 SCREW 4.000 HJPFA60A8 HEADPHONE JACK BOARD 1.000...
  • Page 25 27" LCD-TV T27013 C970 065T306M2222BP Y1.CAP.0022UF 250V AC 1.000 C907 067T 40K18116K 105C EC SHAP-IN 1.000 C950 067T215L102 6N KY35VB1000M-L 5*25MM 1.000 C949 067T215L102 6N KY35VB1000M-L 5*25MM 1.000 C930 067T215L102 6N KY35VB1000M-L 5*25MM 1.000 C948 067T215L102 6N KY35VB1000M-L 5*25MM 1.000...
  • Page 26 27" LCD-TV T27013 CN20 033T802724D H 24PIN 1.000 040T 457624 1B CPU LABEL 1.000 040T 45762412B CBPC LABEL 1.000 044T3231508512 CHIELD D-SUB 1.000 056T1133 77 EN29F040A-70JCP 1.000 R714 061T152M109 64 MOFR 1 OHM +-5% 2WS 1.000 R711 061T152M109 64 MOFR 1 OHM +-5% 2WS 1.000...
  • Page 27 27" LCD-TV T27013 SMTIRPFF60A1 TUNER BOARD SMT 1.000 SMTKEPFF60KA2 KEY BOARD 1.000 IC981 056T 379 40 TOP246YN T0-220-7C 1.000 090T 427 1 HEAT SINL 1.000 0M1T1730 8128 SCREW M3x8 1.000 005T 42 1 CUSHION 2.000 012T 372 1 MICA 2.000...
  • Page 28 27" LCD-TV T27013 R914 061V0805191 2F 19.1K OHM 1/8W 1% 1.000 R957 061V0805200 9F CHIP 20 OHM 1/10W 1% 1.000 R958 061V0805202 CHIP 2KOHM 1/8W 1.000 R936 061V0805220 CHIP 22 OHM 5% 0805 1/8W 1.000 R967 061V0805222 CHIP 2.2KOHM 5% 0805 1/8W 1.000...
  • Page 29 27" LCD-TV T27013 C910 065T0805104 32 CHIP 0.1U 50V X7R 1.000 C914 065T0805104 32 CHIP 0.1U 50V X7R 1.000 C920 065T0805104 32 CHIP 0.1U 50V X7R 1.000 C965 065T0805104 32 CHIP 0.1U 50V X7R 1.000 C956 065T0805104 32 CHIP 0.1U 50V X7R 1.000...
  • Page 30 27" LCD-TV T27013 056T 192 10 LM358DT 1.000 056T 535 8 MAX9704 1.000 056T 562600 SVPTMEX52-LF QFP-256 1.000 U702 056T 563 25 AIC1084-33PE 1.000 U709 056T 563 31 AZ1117D-1.8E1 TO-252 1.000 U707 056T 563 31 AZ1117D-1.8E1 TO-252 1.000 U706 056T 563 31 AZ1117D-1.8E1 TO-252...
  • Page 31 27" LCD-TV T27013 Q701 057T 763 3 AO4411L SO-8 BY AOS SMT 1.000 Q700 057T 763 3 AO4411L SO-8 BY AOS SMT 1.000 061T 47 1 VARISTOR EZJZ1V80010 1.000 061T 47 1 VARISTOR EZJZ1V80010 1.000 061T 47 1 VARISTOR EZJZ1V80010 1.000...
  • Page 32 27" LCD-TV T27013 R502 061V0603000 CHIPR 0OHM +-5% 1/10W 1.000 R501 061V0603000 CHIPR 0OHM +-5% 1/10W 1.000 R500 061V0603000 CHIPR 0OHM +-5% 1/10W 1.000 R401 061V0603000 CHIPR 0OHM +-5% 1/10W 1.000 R400 061V0603000 CHIPR 0OHM +-5% 1/10W 1.000 R644 061V0603000 CHIPR 0OHM +-5% 1/10W 1.000...
  • Page 33 27" LCD-TV T27013 R308 061V0603101 CHIPR 100 OHM+-5% 1/10W 1.000 R309 061V0603101 CHIPR 100 OHM+-5% 1/10W 1.000 R319 061V0603101 CHIPR 100 OHM+-5% 1/10W 1.000 R320 061V0603101 CHIPR 100 OHM+-5% 1/10W 1.000 R330 061V0603101 CHIPR 100 OHM+-5% 1/10W 1.000 R336 061V0603101 CHIPR 100 OHM+-5% 1/10W 1.000...
  • Page 34 27" LCD-TV T27013 R640 061V0603104 CHIPR 100K OHM+-5% 1/10W 1.000 R732 061V0603104 CHIPR 100K OHM+-5% 1/10W 1.000 R122 061V0603105 CHIP 1MOHM 1/16W 1.000 R416 061V0603105 CHIP 1MOHM 1/16W 1.000 R203 061V0603150 CHIP 15 OHM 1/16W 1.000 R204 061V0603150 CHIP 15 OHM 1/16W 1.000...
  • Page 35 27" LCD-TV T27013 R389 061V0603472 RST CHIPR 4.7KOHM +-5% 1/10W 1.000 R388 061V0603472 RST CHIPR 4.7KOHM +-5% 1/10W 1.000 R383 061V0603472 RST CHIPR 4.7KOHM +-5% 1/10W 1.000 R382 061V0603472 RST CHIPR 4.7KOHM +-5% 1/10W 1.000 R379 061V0603472 RST CHIPR 4.7KOHM +-5% 1/10W 1.000...
  • Page 36 27" LCD-TV T27013 R621 061V0603473 CHIP 47K OHM 1/16W 1.000 R622 061V0603473 CHIP 47K OHM 1/16W 1.000 R623 061V0603473 CHIP 47K OHM 1/16W 1.000 R624 061V0603473 CHIP 47K OHM 1/16W 1.000 R629 061V0603473 CHIP 47K OHM 1/16W 1.000 R715 061V0603473 CHIP 47K OHM 1/16W 1.000...
  • Page 37 27" LCD-TV T27013 C413 065T0603102 32 CHIP 1000PF 50V X7R 1.000 C418 065T0603102 32 CHIP 1000PF 50V X7R 1.000 C419 065T0603102 32 CHIP 1000PF 50V X7R 1.000 C450 065T0603102 32 CHIP 1000PF 50V X7R 1.000 C449 065T0603102 32 CHIP 1000PF 50V X7R 1.000...
  • Page 38 27" LCD-TV T27013 C444 065T0603104 12 MLCC 0603 0.1UF K 16V X7R 1.000 C452 065T0603104 12 MLCC 0603 0.1UF K 16V X7R 1.000 C455 065T0603104 12 MLCC 0603 0.1UF K 16V X7R 1.000 C505 065T0603104 12 MLCC 0603 0.1UF K 16V X7R 1.000...
  • Page 39 27" LCD-TV T27013 C705 065T0603104 12 MLCC 0603 0.1UF K 16V X7R 1.000 C708 065T0603104 12 MLCC 0603 0.1UF K 16V X7R 1.000 C710 065T0603104 12 MLCC 0603 0.1UF K 16V X7R 1.000 C715 065T0603104 12 MLCC 0603 0.1UF K 16V X7R 1.000...
  • Page 40 27" LCD-TV T27013 C278 065T0603104 12 MLCC 0603 0.1UF K 16V X7R 1.000 C279 065T0603104 12 MLCC 0603 0.1UF K 16V X7R 1.000 C280 065T0603104 12 MLCC 0603 0.1UF K 16V X7R 1.000 C281 065T0603104 12 MLCC 0603 0.1UF K 16V X7R 1.000...
  • Page 41 27" LCD-TV T27013 C510 065T0603223 32 CHIP 0.022UF 50V X7R 0603 1.000 C515 065T0603223 32 CHIP 0.022UF 50V X7R 0603 1.000 C516 065T0603223 32 CHIP 0.022UF 50V X7R 0603 1.000 C517 065T0603223 32 CHIP 0.022UF 50V X7R 0603 1.000 C518 065T0603223 32 CHIP 0.022UF 50V X7R 0603...
  • Page 42 27" LCD-TV T27013 C616 065T0603474 17 CHIP 0.47UF 16V Y5V 1.000 C611 065T0603474 17 CHIP 0.47UF 16V Y5V 1.000 C609 065T0603474 17 CHIP 0.47UF 16V Y5V 1.000 C124 065T0603474 27 CHIP 0.47UF 25V Y5V 1.000 C117 065T0603474 27 CHIP 0.47UF 25V Y5V 1.000...
  • Page 43 27" LCD-TV T27013 C243 067T 312100 3 SMD EC 10UF 16V 85C B 1.000 C245 067T 312100 3 SMD EC 10UF 16V 85C B 1.000 C248 067T 312100 3 SMD EC 10UF 16V 85C B 1.000 C303 067T 312100 3 SMD EC 10UF 16V 85C B 1.000...
  • Page 44 27" LCD-TV T27013 FB40 071T 56G151 A CHIOP BEAD 150 OHM 1.000 FB41 071T 56G151 A CHIOP BEAD 150 OHM 1.000 FB42 071T 56G151 A CHIOP BEAD 150 OHM 1.000 FB43 071T 56G151 A CHIOP BEAD 150 OHM 1.000 FB44...
  • Page 45 27" LCD-TV T27013 073T253S 6 T GP SMD CHOKE 90 OHM ACM2012D-900 1.000 073T253S 6 T GP SMD CHOKE 90 OHM ACM2012D-900 1.000 087T 202 32 NY IC SOCKET 32PIN PLCC 1.000 088T 340 19 H HDMI HEADER 1.000 ZD11...
  • Page 46 27" LCD-TV T27013 061V0603100 CHIP 10 OHM 1/16W 1.000 061V0603102 CHIPR 1K OHM+-5% 1/10W 1.000 061V0603102 CHIPR 1K OHM+-5% 1/10W 1.000 061V0603103 CHIPR 10K OHM+-5% 1/10W 1.000 061V0603103 CHIPR 10K OHM+-5% 1/10W 1.000 061V0603103 CHIPR 10K OHM+-5% 1/10W 1.000 061V0603103 CHIPR 10K OHM+-5% 1/10W 1.000...
  • Page 47 27" LCD-TV T27013 061V0603473 CHIP 47K OHM 1/16W 1.000 061V0603473 CHIP 47K OHM 1/16W 1.000 061V0603473 CHIP 47K OHM 1/16W 1.000 061V0603473 CHIP 47K OHM 1/16W 1.000 061V0603681 CHIP 680 OHM 1/16W 1.000 061V0603681 CHIP 680 OHM 1/16W 1.000 061V0603681 CHIP 680 OHM 1/16W 1.000...
  • Page 48 27" LCD-TV T27013 065T0603102 32 CHIP 1000PF 50V X7R 1.000 065T0603102 32 CHIP 1000PF 50V X7R 1.000 065T0603102 32 CHIP 1000PF 50V X7R 1.000 065T0603102 32 CHIP 1000PF 50V X7R 1.000 065T0603102 32 CHIP 1000PF 50V X7R 1.000 C112 065T0603102 32 CHIP 1000PF 50V X7R 1.000...
  • Page 49 27" LCD-TV T27013 C125 065T0603474 17 CHIP 0.47UF 16V Y5V 1.000 065T0603474 27 CHIP 0.47UF 25V Y5V 1.000 065T0603474 27 CHIP 0.47UF 25V Y5V 1.000 065T0603509 31 CHIP 5PF 50V NPO 1.000 065T0603509 31 CHIP 5PF 50V NPO 1.000 065T0603560 31 CHIP 56PF 50V NPO 1.000...
  • Page 50 27" LCD-TV T27013 C139 067T 312100 3 SMD EC 10UF 16V 85C B 1.000 C138 067T 312100 3 SMD EC 10UF 16V 85C B 1.000 067T 312100 3 SMD EC 10UF 16V 85C B 1.000 067T 312100 3 SMD EC 10UF 16V 85C B 1.000...
  • Page 51 27" LCD-TV T27013 071T 56U601 BEAD 600 OHM 1.000 071T 56U601 BEAD 600 OHM 1.000 071T 56U601 BEAD 600 OHM 1.000 071T 56U601 BEAD 600 OHM 1.000 071T 56U601 BEAD 600 OHM 1.000 071T 56U601 BEAD 600 OHM 1.000 071T 56U601 BEAD 600 OHM 1.000...
  • Page 52 27" LCD-TV T27013 071T 59B601 EA CHIP BEAD 600OHM 0603 TB1608 1.000 071T 59B601 EA CHIP BEAD 600OHM 0603 TB1608 1.000 081T 14 15 KB KAA-3528CGKSYKC-01-AOC SMA 1.000 715T1453 1 I IR BOARD PCB 1.000 033T8032 4C WAFER 1.25MM SMT 4P 1.000...
  • Page 53 27" LCD-TV T27013 J924 095T 90 23 TIN COATED 1.000 J923 095T 90 23 TIN COATED 1.000 J922 095T 90 23 TIN COATED 1.000 J921 095T 90 23 TIN COATED 1.000 J920 095T 90 23 TIN COATED 1.000 J926 095T 90 23 TIN COATED 1.000...
  • Page 54 27" LCD-TV T27013 C803 065T0603102 32 CHIP 1000PF 50V X7R 1.000 C804 065T0603102 32 CHIP 1000PF 50V X7R 1.000 C809 065T0603104 32 CHIP 0.1UF 50V X7R 1.000 C805 065T0603471 31 CHIP 470PF 50V NPO 1.000 C808 065T0805102 32 CHIP 1000P 50VX7R 0805 1.000...
  • Page 55: Repair Flow Chart

    27" LCD-TV T27013 5. Repair Flow Chart Defect Mode Failure Analysis Repair Testing Missing Line Abnormal Display Bright Dot Dark Dot Light Leakage Mura Check Panel Panel Change Image Sticking Dot Defect Brightness Spot Dot Defect Particle No display Check Power Board...
  • Page 56 27" LCD-TV T27013 Noise Check Single Cable Change Single Cable Flicker Check Main board Change Main board Change Panel Check Panel Abnormal Check Main board Change Main board Gray Check Panel Change Panel Check LVD Cable Change LVDS Cable R\G\B...
  • Page 57 27" LCD-TV T27013 LED Display Change Keyboard or LED Off Abnormal Main board or wire Change Keyboard or LED Dark Main board Change Keyboard or LED Abnormal Main board or wire Change Keyboard or LED Flicker Main board or wire...
  • Page 58 27" LCD-TV T27013 Key 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 Check Main Board...
  • Page 59: Pcb Layout

    27" LCD-TV T27013 6. PCB Layout 6.1 Main Board 715V1616 D2...
  • Page 60 27" LCD-TV T27013...
  • Page 61: Power Board

    27"LCD-TV T27013 6.2 Power Board 715V1278 4 715T1180 3...
  • Page 62 27" LCD-TV T27013...
  • Page 63: Tuner Board

    27" LCD-TV T27013 6.3 Tuner Board 715T1542 1 6.4 IR Board 715T1453 1 I...
  • Page 64: Headphone Board

    27" LCD-TV T27013 6.5 Headphone Board 715T1290 1 5...
  • Page 76 R715 1/16W R716 1/16W R717 1/16W...

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