AOC LM722 Bedienungsanleitung

LM722 Page 1 of 48 17” LCD Monitor LM722 THESE DOCUMENTS ARE FOR REPAIR SERVICE

LM722 Page 10 of 48 4.4.2 Optical Specification 4.4.3 ELECTRICAL SPECIFICATIONS 5.

LM722 Page 11 of 48 5.2 Software flowing Chart 12NY5Y N 10Y N 12Y N 7Y N64389141

LM722 Page 12 of 48 Remark: 1) MCU initialize. 2) Is the EEprom blank? 3) Program t

LM722 Page 13 of 48 5.2 Electrical Block Diagram 5.2.1 Main Board

LM722 Page 14 of 48 5.2.2 Inverter/Power Board Inverter Block Diagram

LM722 Page 15 of 48 Power Block Diagram

LM722 Page 16 of 48 6. Schematic 6.1 Main Board GNDC113 0.047uFC108 0.047uFBC109NCR11

LM722 Page 17 of 48 UDART_DOC1490.1uF/16VLVDS_E1PPWR+C14022uFVGA_CAB 1C1230.1uF/16VL1

LM722 Page 18 of 48 CN601CONN1 23 45 67 89 1011 1213 14C181100pFKEY_LEFTGNDLINE-IN-RR

LM722 Page 19 of 48 RXEC-LVDS_E3RXO0+LVDS_O3LVDS_O0LVDS_O0LVDS_O8RXE0+LVDS_E0RXO0-RXE

LM722 Page 2 of 48 Content List CONTENT LIST...

LM722 Page 20 of 48 +3.3V_VDDGND1R162 4.7K£[ 1/16WR193 100£[ 1/16WGNDGNDC1630.1uF/16V

LM722 Page 21 of 48 6.2 Power Board

LM722 Page 22 of 48

LM722 Page 23 of 48 6.3 Key Board SPKR_R+R102 75£[SPKR_L+CN104CONN12KEY_LEFTCN102PHON

LM722 Page 24 of 48 6.4 Audio Board +C201470uF/16VGNDGNDPIN-3STANDBY+C202470uF/16VPIN

LM722 Page 25 of 48 7. Layout 7.1 Main Board 7.2 Audio Board

LM722 Page 26 of 48 7.3 Power Board

LM722 Page 27 of 48 8. Maintainability 8.1 Equipments and Tools Requirement 1) Voltmeter. 2) Oscilloscope. 3) Pattern Generator. 4) DDC Tool with a

LM722 Page 28 of 48 8.2 Trouble Shooting Defect Mode Failure Analysis Repair Testing CompletedNG Next Step

LM722 Page 29 of 48 A TestNext Step Completed A Noise Check Single Cable Change Single Cable Flicker Chec

LM722 Page 3 of 48 8.2.2 POWER/INVERTER BOARD ...

LM722 Page 30 of 48 Change Keyboard or Main board Change Keyboard or Main board or wire Change Keyboard Change Ma

LM722 Page 31 of 48 INVERTER CONTROL RELATIVE CIRCUIT 8.2.1 KEYPAD BOARD OSD is unstable or not wo

LM722 Page 32 of 48 8.2.2 POWER/INVERTER BOARD 1.) No power Check CN902 pin2, 4 = 12V NG Check AC line volt 1

LM722 Page 33 of 48 2.) No Backlight Check C201 (+) =12V NG OK Change F902 Check ON/OFF signal Check main board NG

LM722 Page 34 of 48 9. WHITE- BALANCE, LUMINANCE ADJUSTMENT Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adj

LM722 Page 35 of 48 10. EDID x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE xF 00: 00 FF FF FF FF FF FF 00 05 E3 80 A7 00 00 00 00 10: 05 0B 01 03 68

LM722 Page 36 of 48 11. BOM List T780KCLHBAAOA AUPC780AT AUDIO BORD M 1 PCS CBPC780KCLAC CONVERSION BOARD M 1 PCS KEPC780KE5 KEY BOARD M 1 P

LM722 Page 37 of 48 Q1L 330 8120 SCREW 3X8mm P 2 PCS Q1L 330 10 47 SCREW (T3X10) P 1 PCS Q1L 330 12 47 SCREW P 2 PCS 705L780KB3407

LM722 Page 38 of 48 C136 67L305V220 3 22UF 16V P 1 PCS C140 67L305V220 3 22UF 16V P 1 PCS C143 67L215V100 7K EC 10UF 50V NC P 1 PCS C

LM722 Page 39 of 48 C124 65L0603104 12 0.1UF +-10% 16V X7R P 1 PCS C125 65L0603104 12 0.1UF +-10% 16V X7R P 1 PCS C126 65L0603104 12 0.1UF

LM722 Page 4 of 48 Revision List Revision Date Modification A00 Mar-24-2004

LM722 Page 40 of 48 C181 65L0603101 32 100PF +-10% 50V X7R P 1 PCS C183 65L0603104 12 0.1UF +-10% 16V X7R P 1 PCS C184 65L0603104 12 0.1UF

LM722 Page 41 of 48 Q107 57G 417 4 PMBS3904/PHILIPS-SMT(04 P 1 PCS R101 61L0603100 0F CHIP 100OHM 1/10W 1% P 1 PCS R102 61L0603470 CHIPR

LM722 Page 42 of 48 R149 61L0603472 CHIPR 4.7K OHM +-5% 1/1 P 1 PCS R150 61L0603102 CHIPR 1K OHM +-5% 1/10W P 1 PCS R152 61L0603101 CHIPR

LM722 Page 43 of 48 RP102 61L 125330 8 CHIP AR 894R 33OHM +-5% P 1 PCS RP103 61L 125472 8 CHIP AR 8P4R 4.7K OHM+- P 1 PCS U101 56L1125

LM722 Page 44 of 48 C925 67L 215102 3H 1000UF +-20% 16V P 1 PCS CN102 95G8021 12520 WIRE HARNESS P 1 PCS CN201 33G8021 2D U 3.5mm WAFER

LM722 Page 45 of 48 C225 65L0805105 27 CHIP 1UF 25V Y5V 0805 P 1 PCS C910 65L0805104 32 CHIP 0.1UF 50V X7R P 1 PCS C927 65L0805104 32 CHIP

LM722 Page 46 of 48 R912 61L1206101 CHIP 100 OHM 5% 1/4W P 1 PCS R915 61L1206103 CHIP 10KOHM 5% 1/4W P 1 PCS R916 61L1206240 2F CHIP 24KOH

LM722 Page 47 of 48 D205 93L 64 1152T 1N4148 P 1 PCS D206 93L 64 1152T 1N4148 P 1 PCS D207 93L 64 1152T 1N4148 P 1 PCS D208 93L 64

LM722 Page 48 of 48 R235 61L 60291152T CFR 910 OHM+-5% 1/6W P 1 PCS R236 61L 60262152T 620 OHM 5% 1/6W P 1 PCS R237 61L 60262152T 620 OHM

LM722 Page 5 of 48 1. MONITOR SPECIFICATIONS  43.2 cm (17”) a-si TFT Active matrix

LM722 Page 6 of 48 3. OPERATING INSTRUCTIONS 3.1 GENERAL INSTRUCTIONS Press the power

LM722 Page 7 of 48 Brightness Backlight Adjustment Focus Adjust Picture Phase to

LM722 Page 8 of 48 4. Input/Output Specification 4.1 Input Signal Connector 4.1.1 Ana

LM722 Page 9 of 48 IBM MODES Horizontal Vertical 2Mode Resolution Total Nominal