AOC LM560s Service Manual

AOC LM560s Service Manual

15" lcd color monitor
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15" LCD Color Monitor
Service
Service
Service
Table Of Contents......................................................1
Revision List........................................................2
1. Monitor Specification...............................................3
2. LCD Monitor Description........................................4
3. Operation Instruction............................................5
3.1. General Instructions.........................................5
3.2. Control Button......................................................5
3.3 Adjusting the Picture..........................................6
4. Input/Output Specification.......................................8
4.1. Input Signal Connector.........................................8
4.2. Factory Preset Display Modes...........................8
5. Panel Specification.........................................9
5.1. General Feature...............................................9
5.2. Optical Characteristics....................................10
5.3 Electrical Characteristics..............................10
6. Block Diagram.....................................................11
6.1 Software Flow Chart.......................................11
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
All manuals and user guides at all-guides.com

Table Of Contents

Page Description
6.2.Electrical Block Diagram...........................13
7. Schematic.....................................................15
7.1 Main Board....................................................15
7.2 Power Board...............................................21
8.PCB Layout...............................................23
8.1. Main Board.................................................23
8.2. Power Board..........................................25
8.3. Key Board...............................................28
9. Maintainability................................................29
9.2. Trouble Shooting.......................................30
9.2.1 Main Board..........................................30
9.2.2 Power Board.......................................33
9.2.3 Key Board..........................................35
11. Monitor Exploded View.....................................37
12. BOM List.....................................................38
SAFETY NOTICE
1
AOC LM560s
Horizontal Frequency
30- 80 kHz
Page

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Summary of Contents for AOC LM560s

  • Page 1: Table Of Contents

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s Service Service Service Horizontal Frequency 30- 80 kHz Table Of Contents Description Page Description Page Table Of Contents..……......…..1 6.2.Electrical Block Diagram……………..…..13 Revision List.…........……..2 7. Schematic……………........15 1. Monitor Specification......………..3 7.1 Main Board..………........15...
  • Page 2: Revision List

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s Revision List Revision Date Revision History TPV Model Aug.-30-2007 First Version Release T560KV4HK4A1NE...
  • Page 3: Monitor Specification

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 1. Monitor Specification Driving system TFT Color LCD LCD Panel Size 38.1cm(15") Pixel pitch 0.297mm( H ) × 0.297mm( V ) Video R,G,B Analog Interface Input Separate Sync.
  • Page 4: Lcd Monitor Description

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 2. LCD Monitor Description The LCD MONITOR will contain a main board, a power board, a key board and an audio board which house the flat panel control logic, brightness control logic and DDC.
  • Page 5: Operation Instruction

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 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 the front panel of the monitor.
  • Page 6: Adjusting The Picture

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 3.3 Adjusting The Pictures 1. Press the MENU-button to activate the OSD window. 2. Press to navigate through the functions. Once the desired function is highlighted, press the MENU-button to activate it.
  • Page 7 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s User / Red Red Gain from Digital-register. User / Green Green Gain Digital-register. User / Blue Blue Gain from Digital-register. Auto Adjust the H/V Position, Focus and Clock of picture.
  • Page 8: Input/Output Specification

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 4. Input/Output Specification 4.1 Input Signal Connector Pin No. Description Pin No. Description Red Video Green Video Detect Cable Blue Video DDC-Serial Data H-Sync R-Ground V-Sync G-Ground...
  • Page 9: Panel Specification

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 5. Panel Specification 5.1 General Characteristics...
  • Page 10: Optical Characteristics

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 5.2 Optical Characteristics The optical characteristics are measured under stable conditions at 25±2℃(Room Temperature): 5.3 Electrical Characteristics...
  • Page 11: Block Diagram

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 6. Block Diagram 6. 1 Software Flow Chart...
  • Page 12 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 1) MCU initializes. 2) Is the EEPROM blank? 3) Program the EEPROM by default values. 4) Get the PWM value of brightness from EEPROM. 5) Is the power key pressed? 6) Clear all global flags.
  • Page 13: Electrical Block Diagram

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 6.2 Electrical Block Diagram 6.2.1 Main Board Crystal (20 MHz) Crystal (14.318MHz) LCD interface (X601) (X401) (CN503) Scalar TSU13AK W78E65 (Include ADC, OSD) (U601) (U401) H sync...
  • Page 14 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 6.2.2 Power Board Bridge Rectifier AC input Transformer Rectifier diodes EMI filter and Filter Start Circuit: R906、R907 CN102 Feedback Over Voltage Control IC Circuit Protect ON/OFF Output...
  • Page 15: Schematic

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 7. Schematic 7.1 Main Board TSU56AK-LF SCHEMATIC GNDR GNDR GNDG GNDG DDC_CLK VCC2.5 VCC3.3 VAA1 VAA2 VAA3 VAA4 DDC_DAT GNDB GNDB ST_DET1 HSYNC HSYNC ST_DET2 VSYNC VSYNC VCC2.5...
  • Page 16 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s VCC5V+ VCC5V SOT-252 D202 VCC12V U201 R202 GS1D VCC2.5 VCC12V RT9164 CN201   1/16W VCC2.5 ON_OFF R201 4.7K   1/16W C210 C211 C212 VCC12V VCC12V D201 SS14 C201 R212 4.7K...
  • Page 17 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s CN301 DB15 FB301   1/16W R301   1/16W C304 0.047uF FB302   1/16W R302   1/16W C305 0.047uF FB303   1/16W R303   1/16W C306 0.047uF R304 1/16W C307 0.001uF...
  • Page 18 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s VCC3.3 FB401 VCC2.5 FB402 VCC3.3 VCC2.5 600 OHM 600 OHM C405 C414 10uF/16V 10uF/16V VPLL VDVI VDPLL C406 C407 C408 C409 C410 C411 C412 C413 C415 C416...
  • Page 19 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s PA[0..9] PA[0..9] LVA3P CN503 LVA3M LVACKP LVACKM LVB0M RXO0- RXO0+ LVB0P LVA2P LVB1M RXO1- RXO1+ LVB1P LVA2M LVB2M RXO2- RXO2+ LVB2P LVBCKM RXOC- RXOC+ LVBCKP LVA1P RXO3-...
  • Page 20 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s VCPU VCPU RN601 R601 R602 C601 RN602   1/16W   1/16W   1/16W 0.1uF 1/16W   C602 22pF U601 X601 POWER EA/VP P0.0 ENTER P0.1 RIGHT XTAL1 P0.2...
  • Page 21: Power Board

    1/16W 0.47uF/25V C207 4.7uF R207 C204 0.1uF U201 BAF9741F C208 R204 330pF   1/16W AOC (Top Victory) Electronics Co., Ltd. is power GND Title FOR NEC INVERTER Size Document Number is signal GND Date: Friday , October 29, 2004 Sheet...
  • Page 22 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s R920 C920   1/2W 0.001uF/500V T901 F902 D910 31DQ10 FUSE TO INVERTER L903 CN102 BD901 2KBP06M R906 R904 C906 R903 C922 C924 C928 FB903 1/4W 1/4W 0.0015uF/2KV...
  • Page 23: Pcb Layout

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 8. PCB Layout 8.1 Main Board...
  • Page 24 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s...
  • Page 25: Power Board

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 8.2 Power Board...
  • Page 26 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s...
  • Page 27 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s...
  • Page 28: Key Board

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 8.3 Key Board...
  • Page 29: Maintainability

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 9. Maintainability 9.1 Equipment and Tools Requirement Voltmeter. Oscilloscope. Pattern Generator. DDC Tool with an IBM Compatible Computer. Alignment Tool. LCD Color Analyzer. Service Manual. 8. User Manual.
  • Page 30: Trouble Shooting

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 9.2 Trouble Shooting 9.2.1 Main Board No Power No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100-240 is normal...
  • Page 31 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s No Picture (LED orange) No picture The button if under X601 oscillate Replace X601 control waveform is normal Check Correspondent Check reset circuit of component U601 is normal Measure U201 PIN2=2.5V...
  • Page 32 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s White Screen White screen Measure Q204 base X601 oscillate waveform is normal is high level? Replace X601 Check Q203, Q204 are Check reset circuit of broken or CN503 solder?
  • Page 33: Power Board

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 9.2.2 Power Board Check to CN102 pin12 = 12V Check Interface board Check AC line volt 120V or 220V Check the voltage of C905(+) Change F901; check BD901, Q903, and IC901...
  • Page 34 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 2.) W / LED, No Backlight Check CN102 pin12 =12V Check adapter or MB Check ON/OFF signal Check Interface board Check U201 pin9=12V Change Q201 or Q202...
  • Page 35: Key Board

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 9.2.3 Key Board OSD is unstable or not working Is Keypad Board connecting normally Connect Keypad Board Is Button Switch normally Replace Button Switch Is Keypad Board Normally?
  • Page 36: White-Balance, Luminance Adjustment

    6500 color temp. parameter is x = 313±20, y = 329 ±20, Y =180 cd/m 3. Into factory mode of LM560s Turn on power, 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 37: Monitor Exploded View

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 11. Monitor Exploded View DESCRIPTION PART NO. DESCRIPTION PART NO. KEY PAD 33G4848 Q1 K HINGE BKT 15G6204 1 BEZEL 34G6198AGM 2K REAR COVER 34G6199 GM 2K...
  • Page 38: Bom List

    All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s 12. BOM List Location Part No. Description CBPC560KV4A1P MAIN BOARD KEPC560KF4P KEY BOARD PWPC5215A1E9 POWER BOARD FOR T562K* PE095 S95G801820544 LVDS HARNESS 15G5908 3 BRACKET 26G 800504 3H...
  • Page 39 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s H45G 87 4 H PE BAG FOR BASE CN201 33G8027 12 WAFER 2*6P 2.0MM R/A CN503 33G8027 14 H WAFER CN602 33G8027 16 WAFER 16PIN 2.0mm DIP...
  • Page 40 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s R642 61G0603000 RST CHIPR 0 OHM +-5% 1/ R301 61G0603101 RST CHIPR 100 OHM +-5% R302 61G0603101 RST CHIPR 100 OHM +-5% R303 61G0603101 RST CHIPR 100 OHM +-5%...
  • Page 41 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s R614 61G0603103 RST CHIPR 10KOHM +-5% 1 R615 61G0603103 RST CHIPR 10KOHM +-5% 1 R215 61G0603104 RST CHIPR 100KOHM +-5% R617 61G0603121 RST CHIPR 120 OHM +-5%...
  • Page 42 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s C407 65G0603104 32 CHIP 0.1UF 50V X7R C408 65G0603104 32 CHIP 0.1UF 50V X7R C409 65G0603104 32 CHIP 0.1UF 50V X7R C410 65G0603104 32 CHIP 0.1UF 50V X7R...
  • Page 43 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s FB403 71G 56Z601 CHIP BEAD 600 OHM 0805 FB404 71G 56Z601 CHIP BEAD 600 OHM 0805 FB405 71G 56Z601 CHIP BEAD 600 OHM 0805 FB406 71G 56Z601...
  • Page 44 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s NR901 61G 58080 WT RST NTCR 8 OHM R903 61G152M10464L RST MOFR 100KOHM +-5% 2 C904 63G107K474 US 0.47UF +-10% C215 65G 3J2206ET 22PF 5% SL 3KV TDK...
  • Page 45 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s R236 61G0603471 RST CHIPR 470 OHM +-5% R240 61G0603513 RST CHIPR 51KOHM +-5% 1 R234 61G0603681 RST CHIPR 680 OHM +-5% R916 61G0805100 3F RST CHIPR 100KOHM +-1%...
  • Page 46 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s C905 6G 31502 1.5MM RIVET L902 6G 31502 1.5MM RIVET PT201 6G 31502 1.5MM RIVET T901 6G 31502 1.5MM RIVET 715G1034 5 POWER BOARD PCB C216 95G 90 23...
  • Page 47 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s D902 93G 6038P52T PS102R D205 93G 64 1152T 1N4148 DO-35 D207 93G 64 1152T 1N4148 DO-35 D209 93G 64 1152T 1N4148 DO-35 D903 93G 64 1152T 1N4148 DO-35...
  • Page 48 All manuals and user guides at all-guides.com 15" LCD Color Monitor AOC LM560s Q1G 140 6120 SCREW H52G6025 16 10 INSULATE SHEET 33G4848 AS L KEY PAD 33G4849 1 LENS 34G6198AAS 2B BEZEL 33G4695 1 C CLAMP 34G1546 GM B...

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