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22" LCD Color Monitor
Service
Service
Service
Description
Table Of Contents..........................................................1
Important Safety Notice...............................................2
Revision List.................................................................3
1.Product Feature...............................................4
2.LCD Monitor Description........................................5
3.Operation Instruction............................................6
3.1 General Instructions.....................................................6
3.2 Control Buttons........................................................6
3.3 Adjusting the Picture..........................................8
4.Input/Output Specification.......................................11
4.1 Input Signal Connector............................................11
4.2 Factory Preset Display Modes..........................12
4.3 Power Supply Requirement..................................13
4.4 Panel Specification..................................................14
5.Block Diagram.........................................................17
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
5.1 Software Flow Chart..........................................17
5.2 Electrical Block Diagram.....................................19
6.Schematic............................................................21
6.1 Main Board..............................................................21
6.2 Power Board........................................................26
7.PCB Layout..........................................................29
7.1 Main Board.....................................................29
7.2 Power Board.......................................................32
7.3 Key Board..........................................................33
8.Maintainability.......................................................34
8.1 Equipments and Tools Requirement......................34
8.2 Trouble Shooting..................................................34
9.White-Balance, Luminance adjustment.............40
10. Monitor Exploded View.......................................41
11.BOM List...............................................................42
SAFETY NOTICE
1
Adelpia TGL2260A
Horizontal Frequency
30KHz-80KHz
Page
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Summary of Contents for Adelpia TGL2260A
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Page 1: Table Of Contents
22” LCD Color Monitor Adelpia TGL2260A Service Service Service Horizontal Frequency 30KHz-80KHz TABLE OF CONTENTS Description Page Description Page Table Of Contents..……....……...…..1 5.1 Software Flow Chart………………….……..…..17 Important Safety Notice.………….…....……..2 5.2 Electrical Block Diagram…………..……..…..…..19 Revision List.…......………....……..3 6.Schematic……………........…..21 1.Product Feature......………..4 6.1 Main Board..............21 2.LCD Monitor Description……………………………..5... -
Page 2: Important Safety Notice
22” LCD Color Monitor Adelpia TGL2260A 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. -
Page 3: Revision List
22” LCD Color Monitor Adelpia TGL2260A Revision List Version Date Revision History TPV Model Name Feb.-11-08 Initial Release TC7CMANF4WUQDN... -
Page 4: Product Feature
22” LCD Color Monitor Adelpia TGL2260A 1. Monitor Specifications... -
Page 5: Lcd Monitor Description
22” LCD Color Monitor Adelpia TGL2260A 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 Inverter board will drive the backlight of panel and DC-DC conversion. -
Page 6: Operation Instruction
22” LCD Color Monitor Adelpia TGL2260A 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 22” LCD Color Monitor Adelpia TGL2260A...
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Page 8: Adjusting The Picture
22” LCD Color Monitor Adelpia TGL2260A 3.3 Adjusting the Picture... - Page 9 22” LCD Color Monitor Adelpia TGL2260A...
- Page 10 22” LCD Color Monitor Adelpia TGL2260A...
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Page 11: Input/Output Specification
22” LCD Color Monitor Adelpia TGL2260A 4. Input/Output Specification 4.1 Input Signal Connector D-SUB... - Page 12 22” LCD Color Monitor Adelpia TGL2260A...
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Page 13: Factory Preset Display Modes
22” LCD Color Monitor Adelpia TGL2260A 4.2 Factory Preset Display Modes 4.3 Power Supply Requirement A/C Line voltage range 100 V ~ 240 V 50 ± 3Hz, 60 ± 3Hz A/C Line frequency range Peak surge current < 55A peak at 240 VAC and cold starting Leakage current <... -
Page 14: Panel Specification
22” LCD Color Monitor Adelpia TGL2260A 4.4 Panel Specification 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 15 22” LCD Color Monitor Adelpia TGL2260A 4.4.2 Optical Characteristics Ta=25℃，VCC=5.0V...
- Page 16 22” LCD Color Monitor Adelpia TGL2260A 4.4.3 Electrical Characteristics (1).TFT-LCD (2).Backlight...
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Page 17: Block Diagram
22” LCD Color Monitor Adelpia TGL2260A 5. Block Diagram 5.1 Software Flowing Chart... - Page 18 22” LCD Color Monitor Adelpia TGL2260A REMARK: 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.
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Page 19: Electrical Block Diagram
22” LCD Color Monitor Adelpia TGL2260A 5.2 Electrical Block Diagram 5.2.1 Main Board LCD Interface (CN101) Flash Memory Scalar TSUMU58J PM25LV010-25 SCE (Include MCU, ADC, OSD) (U402) (U401) EPR_SDA Digital video EPR_SCL signal Key Board Connector (CN401) EEPROM D-Sub 24LC16B... - Page 20 22” LCD Color Monitor Adelpia TGL2260A 5.2.2 Power Board AC input Bridge Rectifier Transformer Rectifier diodes EMI filter and Filter Start Circuit: R904、R932、R933 Feedback Over Voltage Circuit Control IC Protect ON/OFF Output MOSFET Circuit Transformer Lamp Over ON/OFF Feedback Voltage...
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Page 21: Schematic
22” LCD Color Monitor Adelpia TGL2260A 6. Schematic 6.1 Main Board TSUMU58J SCHEMATIC HDCP_RST HDCP_RST LVDS OUTPUT GNDR GNDR GNDG GNDG GNDB GNDB HSY NC HSY NC VCC1.8 VCC3.3 VSY NC VSY NC DDCA_SDA DDCA_SDA DDCA_SCL DDCA_SCL DDC_WP DDC_WP VCC1.8 Vcc3.3... - Page 22 22” LCD Color Monitor Adelpia TGL2260A +3V3 2007/2/6 C709 C710 R701 0.1uF 16V 100uF/25V 1K 1/16W CN701 R705 R706 100R 1/16W +3V3 C708 Q701 R707 Adj_BACKLIGHT 4 4K7 1/16W ON/OFF PMBS3904 PANEL_ID R709 R708 +3V3 0R05 1/16W 10K 1/16W MUTE...
- Page 23 22” LCD Color Monitor Adelpia TGL2260A CN405 DB15 RED+ FB410 0R05 1/16W R434 1/16W C432 0.047uF RED- GREEN+ FB411 0R05 1/16W R435 1/16W C433 0.047uF GREEN- BLUE+ FB412 0R05 1/16W R436 1/16W C434 0.047uF BLUE- PC5V R437...
- Page 24 22” LCD Color Monitor Adelpia TGL2260A AVDD_33 VDDC VDDP AVDD_18 AVDD_MEMPLL_33 VCC3.3 FB405 AVDD_MEMPLL_33 VCC3.3 FB403 VDDP VCC3.3 600 OHM 600 OHM C416 C408 0.1uF 16V 10uF/50V VCC3.3 VCTRL C409 C410 C411 C412 C413 C419 C420 C461 0.1uF 16V 0.1uF 16V 0.1uF 16V...
- Page 25 22” LCD Color Monitor Adelpia TGL2260A PA[0..9] PA[0..9] CN101 LVA3P LVA3M LVB0M RXO0- LVACKP LVB0P RXO0+ LVACKM LVB1M RXO1- LVA2P LVB1P RXO1+ LVA2M LVB2M RXO2- LVA1P LVB2P RXO2+ LVA1M LVA0P LVBCKM RXOC- LVA0M LVBCKP RXOC+ LVB3M RXO3- PB[0..9] LVB3P RXO3+ PB[0..9]...
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Page 26: Power Board
22” LCD Color Monitor Adelpia TGL2260A 6.2 Power Board... - Page 27 22” LCD Color Monitor Adelpia TGL2260A...
- Page 28 22” LCD Color Monitor Adelpia TGL2260A...
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Page 29: Pcb Layout
22” LCD Color Monitor Adelpia TGL2260A 7. PCB Layout 7.1 Main Board... - Page 30 22” LCD Color Monitor Adelpia TGL2260A...
- Page 31 22” LCD Color Monitor Adelpia TGL2260A...
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Page 32: Power Board
22” LCD Color Monitor Adelpia TGL2260A 7.2 Power Board... -
Page 33: Key Board
22” LCD Color Monitor Adelpia TGL2260A 7.3 Key Board... -
Page 34: Maintainability
22” LCD Color Monitor Adelpia TGL2260A 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. 8.2 Trouble Shooting 8.2.1 Main Board No Power... - Page 35 22” LCD Color Monitor Adelpia TGL2260A No Picture (LED orange) No picture The button if under X401 oscillate Replace X401 control waveform is normal Check Correspondent Check reset circuit of component U401 is normal Measure U704 PIN2 =1.8V U703 PIN2=3.3V...
- Page 36 22” LCD Color Monitor Adelpia TGL2260A White Screen White screen Measure Q707 base X401 oscillate waveform is normal is high level? Replace X401 Check Q706, Q704, Q707 are Check reset circuit of broken or CN101 solder? U401 is normal Check Correspondent Check Correspondent component.
- Page 37 22” LCD Color Monitor Adelpia TGL2260A 8.2.2 Power Board No power Check CN902 pin10 = 12V Check AC line volt 110V or 220V Check AC input Check the voltage of C905 (+) Check bridge rectified circuit and F901 circuit Check start voltage for the pin3 of IC901...
- Page 38 22” LCD Color Monitor Adelpia TGL2260A W / LED, No Backlight Check F801=12V Check adapter or MB Check ON/OFF Check Interface board Check IC801 Change ON/OFF Check IC801 PIN9,10 have the output of square wave at short time Change IC801...
- Page 39 22” LCD Color Monitor Adelpia TGL2260A 8.2.3 Key Board OSD is unstable or not working Connect Key Pad Board Is Key Pad Board connecting normally? Replace Button Switch Is Button Switch normally? Replace Key Pad Board Is Key Pad Board normally?
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Page 40: White-Balance, Luminance Adjustment
22” LCD Color Monitor Adelpia TGL2260A 9. White- Balance, Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adjustment. 1. How to do the Chroma-7120 MEM. Channel setting A. Reference to chroma 7120 user guide B. -
Page 41: Monitor Exploded View
22” LCD Color Monitor Adelpia TGL2260A 10. Monitor Exploded View... -
Page 42: Bom List
22” LCD Color Monitor Adelpia TGL2260A 11. BOM List TC7CMANF4WUQDN Location Part NO. Description 019G6014 1 TIE FOR STRIP 040G 581 26704 SHIPPING LABEL 041G 68508 A CONTROL CARD 044G600260811A PAPER BOARD 044G9003214 CORNER PAPER 045G 77 3 PE PACKING... - Page 43 22” LCD Color Monitor Adelpia TGL2260A A33G0177 GM 1L FUNCTION BUTTON A34G0377 GMG3B 30 BEZEL L22WA-7KC3 750GLCB6WA113N PANEL CLAA220WA01 000 FZ CPT A15G0208 5 MAIN FRAME A34G0294 GMB1B REAR COVER(22") AM1G1740 12 47 CR3 SCREW CBPC7CMAUGQ1 MAIN BOARD 040G 45762412B...
- Page 44 22” LCD Color Monitor Adelpia TGL2260A Q403 057G 417 6 PMBS3906/PHILIPS-SMT(06) Q704 057G 763 1 A03401 SOT23 BY AOS(A1) R709 061G0402000 RST CHIPR 0 OHM +-5% 1/16W R506 061G0402000 RST CHIPR 0 OHM +-5% 1/16W R503 061G0402000 RST CHIPR 0 OHM +-5% 1/16W...
- Page 45 22” LCD Color Monitor Adelpia TGL2260A R470 061G0402102 RST CHIPR 1 KOHM +-5% 1/16W R505 061G0402102 RST CHIPR 1 KOHM +-5% 1/16W R701 061G0402102 RST CHIPR 1 KOHM +-5% 1/16W R711 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R708 061G0402103...
- Page 46 22” LCD Color Monitor Adelpia TGL2260A R712 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R707 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R433 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R423 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R422 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W...
- Page 47 22” LCD Color Monitor Adelpia TGL2260A C460 065G0402104 12 CAP CHIP 0402 0.1UF 16V X7R C461 065G0402104 12 CAP CHIP 0402 0.1UF 16V X7R C713 065G0402104 12 CAP CHIP 0402 0.1UF 16V X7R C711 065G0402104 12 CAP CHIP 0402 0.1UF 16V X7R...
- Page 48 22” LCD Color Monitor Adelpia TGL2260A FB701 071G 56K121 CHIP BEAD FB401 071G 56K121 CHIP BEAD FB405 071G 56Z601 CHIP BEAD 600 OHM 0805 FB404 071G 56Z601 CHIP BEAD 600 OHM 0805 FB403 071G 56Z601 CHIP BEAD 600 OHM 0805...
- Page 49 22” LCD Color Monitor Adelpia TGL2260A SW002 077G 600 1GCJ TACT SWITCH TSPB-2 -NP SW001 077G 600 1GCJ TACT SWITCH TSPB-2 -NP SW005 077G 600 1GCJ TACT SWITCH TSPB-2 -NP SW004 077G 600 1GCJ TACT SWITCH TSPB-2 -NP SW006 077G 600 1GCJ...
- Page 50 22” LCD Color Monitor Adelpia TGL2260A L902 073G 174 65 H LINE FILTER L901 073G 174 76 L CHOKE COIL LI TAI LF-002923 CN901 087G 501 37 S AC INLET ST-01DG-B2K-K CN101 088G 30214K DC PHONE JACK 5PIN +开口向下弹片 BD901...
- Page 51 22” LCD Color Monitor Adelpia TGL2260A R821 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R822 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R824 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W R926 061G0603100 1F RST CHIPR 1 KOHM +-1% 1/10W...
- Page 52 22” LCD Color Monitor Adelpia TGL2260A R808 061G0805100 2F RST CHIPR 10KOHM +-1% 1/8W R831 061G0805100 2F RST CHIPR 10KOHM +-1% 1/8W R915 061G0805100 3F RST CHIPR 100KOHM +-1% 1/8W R804 061G0805101 RST CHIPR 100 OHM +-5% 1/8W R826 061G0805102...
- Page 53 22” LCD Color Monitor Adelpia TGL2260A R909 061G1206519 RST CHIPR 5.1 OHM +-5% 1/4W R901 061G1206684 RST CHIPR 680 KOHM +-5% 1/4W R902 061G1206684 RST CHIPR 680 KOHM +-5% 1/4W R903 061G1206684 RST CHIPR 680 KOHM +-5% 1/4W C110 065G0603101 31...
- Page 54 22” LCD Color Monitor Adelpia TGL2260A D801 093G 64 33 DIO SIG SM BAV99 (PHSE)R D802 093G 64 33 DIO SIG SM BAV99 (PHSE)R D803 093G 64 33 DIO SIG SM BAV99 (PHSE)R D804 093G 64 33 DIO SIG SM BAV99 (PHSE)R...
- Page 55 22” LCD Color Monitor Adelpia TGL2260A Q90G6295 3 HEAT SINK L904 S73G25391V1 CHOKE COIL ASS'Y L903 S73G25391V1 CHOKE COIL ASS'Y Q34FPE19P06 CASE EEL19 Q34FPE19P06 CASE EEL19 Q07G 8 3 19 COMPOUND PALLET Q07G 8 3 20 COMPOUND PALLET Q40G 22N972 6A...