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19" 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 Adjusting the Picture..........................................8
4. Input/Output Specification.......................................11
4.1 Input Signal Connector.............................................11
4.2 Factory Preset Display Modes....................................13
4.3 Power supply features.........................................13
N
4.4 Panel Specification.................................................14
5. Block Diagram..........................................................16
5.1 Software Flow Chart.............................................16
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 Electrical Block Diagram....................................17
6.Schematic......................................................20
6.1 Main Board............................................................20
6.2 Power Board........................................................24
6.3 Key Board........................................................26
7. PCB Layout...........................................................27
7.1 Main Board...........................................................27
7.2 Power Board.........................................................29
7.3 Key Board......................................................30
8. Maintainability......................................................31
8.1 Equipments and Tools Requirement.......................31
8.2 Trouble Shooting..................................................32
9. White-Balance, Luminance adjustment.............38
10. Monitor Exploded View........................................40
11. BOM List.................................................................42
SAFETY NOTICE
1
Adelpia TGL198AW
Horizontal Frequency
30KHz - 83KHz
Page
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Summary of Contents for Adelpia TGL198AW
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Page 1: Table Of Contents
19” LCD Color Monitor Adelpia TGL198AW Service Service Service Horizontal Frequency 30KHz – 83KHz TABLE OF CONTENTS Description Page Description Page Table Of Contents..……..……......…..1 5.2 Electrical Block Diagram……..……………..…..…17 6.Schematic……………........…20 Revision List.….....……......……..2 6.1 Main Board.……..……..........20 Important Safety Notice.…………....……..3 6.2 Power Board..…………..……........24 1. -
Page 2: Revision List
19” LCD Color Monitor Adelpia TGL198AW Revision List Revision Date Revision History TPV Model Nov.-04-08 Initial Release T98MMANFX2UQHN... -
Page 3: Important Safety Notice
19” LCD Color Monitor Adelpia TGL198AW 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 4: Monitor Specification
19” LCD Color Monitor Adelpia TGL198AW 1. Monitor Specifications... -
Page 5: Lcd Monitor Description
19” LCD Color Monitor Adelpia TGL198AW 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 and the main board chips each voltage. -
Page 6: Operation Instruction
19” LCD Color Monitor Adelpia TGL198AW 3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located in the bottom of the bezel. By changing these settings, the picture can be adjusted to your personal preferences. - Page 7 19” LCD Color Monitor Adelpia TGL198AW...
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Page 8: Adjusting The Picture
19” LCD Color Monitor Adelpia TGL198AW 3.3 Adjusting the Picture... - Page 9 19” LCD Color Monitor Adelpia TGL198AW...
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Page 11: Input/Output Specification
19” LCD Color Monitor Adelpia TGL198AW 4. Input/Output Specification 4.1 Input Signal Connector... - Page 12 19” LCD Color Monitor Adelpia TGL198AW...
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Page 13: Factory Preset Display Modes
19” LCD Color Monitor Adelpia TGL198AW 4.2 Preset operating modes 4.3 Power Supply Features • A/C Line voltage range: 90 V - 264 V • A/C Line frequency range: 50 Hz - 60Hz • Current: 1.5 A max. at 100V/1.5A max. at 240V •... -
Page 14: Panel Specification
19” LCD Color Monitor Adelpia TGL198AW 4.4 Panel Specification Overview M190Z1-L01 is a 19” wide TFT Liquid Crystal Display module with 4 CCFL Backlight unit and 30 pins 2ch-LVDS interface. This module supports 1680 x 1050 WSXGA+ mode and can display 16.7M colors. - Page 15 19” LCD Color Monitor Adelpia TGL198AW 4.4.3 Electrical Characteristics 4.4.4 Optical Characteristics...
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Page 16: Block Diagram
19” LCD Color Monitor Adelpia TGL198AW 5. Block Diagram 5.1 Software Flow Chart... - Page 17 19” LCD Color Monitor Adelpia TGL198AW 1). MCU initialize. 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.
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Page 18: Electrical Block Diagram
19” LCD Color Monitor Adelpia TGL198AW 5.2 Electrical Block Diagram 5.2.1 Scaler Board Block Diagram Crystal LCD Interface (X401) (CN301) 14.31818MHZ Key Board U401 Control Scalar IC TSUMU58EHL-LF (CN402) (Include MCU, ADC, OSD) · H sync V sync D-Sub Connector... - Page 19 19” LCD Color Monitor Adelpia TGL198AW 5.2.2 Power Board Block Diagram AC input Rectifier Bridge Transformer EMI filter Diodes Rectifier and Filter Start Circuit CN902 R904, R905, R906 Feedback ON/OFF Control IC circuit OSC and MOSFET Output Q804, Q809 Convert...
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Page 20: Schematic
19” LCD Color Monitor Adelpia TGL198AW 6. Schematic 6.1 Main Board FB102 MVCC_1 VGA_B+ R105 100R 1/16W 5% C102 DSUB_B+ BEAD 0.047uF H_Sy nc R102 0R05 1/10W 5% R103 1K 1/16W 5% R108 C105 DSUB_H V_Sy nc R104 1K 1/16W 5%... - Page 21 19” LCD Color Monitor Adelpia TGL198AW CN301 PA[0..9] PB[0..9] PA[0..9] PB[0..9] LVB3P LVB0M RXO0- LVA3P LVB3M LVB0P RXO0+ LVA3M LVBCKP LVB1M RXO1- LVACKP LVBCKM LVB1P RXO1+ LVACKM LVB2P LVB2M RXO2- LVA2P LVB2M LVB2P RXO2+ PA5 LVA2M LVB1P LVA1P LVB1M LVBCKM...
- Page 22 19” LCD Color Monitor Adelpia TGL198AW CMVCC VCC1.8 C710 0.1uF 16V FB702 300 OHM CN701 VCC3.3 C705 C704 SM340A D701 MVCC 0.1uF/16V 100uF25V CMVCC Q702 CMVCC KN2907AS R705 BKLT-VBRI R709 BKLT-EN R710 NC 10K 1/16W 5% PANEL_ID# PANEL_ID# 2 Volume#...
- Page 23 19” LCD Color Monitor Adelpia TGL198AW VCC1.8 VDDC VDDP FB403 VCC3.3 FB401 AVDD VCC3.3 FB402 VPLL VCC3.3 VCC1.8 0 OHM +-5% 1/8W C412 300OHM 300OHM VCC3.3 C409 C408 C403 C404 C406 C402 Del C209 C410 C411 0.1uF/16V C407 0.1uF/16V 10uF/50V 0.1uF/16V...
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Page 24: Power Board
19” LCD Color Monitor Adelpia TGL198AW 6.2 Power Board D909 NC/31DQ10FC R918 L904 100 OHM 1/4W 2A(INVERTER) R919 100 OHM 1/4W +16V FB904 C912 R920 BEAD 0.001uF ZD902 100 OHM 1/4W R946 RLZ18B 150 OHM 2W C917 FB902 1206 0 ohm... - Page 25 19” LCD Color Monitor Adelpia TGL198AW CN801 28:28:2400 Lk:260mH CONN T801 R801 0R05 1/8W C801 18pF/3KV L801 +16V NC / L R802 CN802 100R 1/8W C825 CONN 18pF/3KV R804 0R05 1/8W R805 NC/4K7 1/10W 5% R810 Q802 R808 Q801 R850...
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Page 26: Key Board
19” LCD Color Monitor Adelpia TGL198AW 6.3 Key Board LED_RED# LED_GRN# LED001 CN001 LBADC1 R002 2K OHM 1% 1/10W LBADC2 DC_POWERON R003 0 OHM 1% 1/10W LED_GRN# LED_RED# C001 C002 C003 C004 C005 R004 2K OHM 1% 1/10W R005 1K 1/10W 1% NC/0.001uF... -
Page 27: Pcb Layout
19” LCD Color Monitor Adelpia TGL198AW 7. PCB Layout 7.1 Main Board... - Page 28 19” LCD Color Monitor Adelpia TGL198AW...
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Page 29: Power Board
19” LCD Color Monitor Adelpia TGL198AW 7.2 Power Board... -
Page 30: Key Board
19” LCD Color Monitor Adelpia TGL198AW 7.3 Key board... -
Page 31: Maintainability
19” LCD Color Monitor Adelpia TGL198AW 8. Maintainability 8.1 Equipment and Tools Requirement 1、Voltmeter. 2.、Oscilloscope. 3、Pattern Generator. 4、DDC Tool with a Compatible Computer. 5、Alignment Tool 6、LCD Color Analyzer. 7、Service Manual. 8、User Manual... -
Page 32: Trouble Shooting
19” LCD Color Monitor Adelpia TGL198AW 8.2 Trouble Shooting 8.2.1 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 Reinsert or check the power sect Measure U701 Pin2=3.3V,... - Page 33 19” LCD Color Monitor Adelpia TGL198AW 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 U701 Pin2=3.3V, C704(+)=1.8V Replace U401...
- Page 34 19” LCD Color Monitor Adelpia TGL198AW White screen White screen Measure Q302 base X401 oscillate waveform is normal is low level? Replace X401 Check CN302 is solder Check reset circuit of and Q301, Q302 is OK? U401 is normal Check Correspondent Check Correspondent component.
- Page 35 19” LCD Color Monitor Adelpia TGL198AW 8.2.2 Power Board 1) No power Check CN902 PIN3, 4 = 5V Check AC line voltage 110V or 220V Check AC input Check the voltage of C905 (+) Check bridge rectified circuit and F901 circuit...
- Page 36 19” LCD Color Monitor Adelpia TGL198AW 2.) No Backlight Check if the input voltage of inverter part is 16V Check adapter part Check ON/OFF signal Check Interface board or main board Check U801 PIN12=16V Check ON/OFF circuit Check U801 PIN5 have triangle wave...
- Page 37 19” LCD Color Monitor Adelpia TGL198AW 8.2.3 Key Pad Board OSD is unstable or not working Connect Key Pad Board Is Key Pad Board connecting normally? Replace Button Switch Is Button Switch normally? Is Key Pad Board Normally? Replace Key Pad Board...
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Page 38: White-Balance, Luminance Adjustment
19” LCD Color Monitor Adelpia TGL198AW 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. Use “SC” key and “NEXT” key to modify xyY value and use “ID” key to modify the TEXT description Following is the procedure to do white-balance adjust 2. - Page 39 19” LCD Color Monitor Adelpia TGL198AW C. Adjust 6500K color-temperature 1. Switch the chroma-7120 to 6500K channel. 2. The chroma 7120 will show x = 313±25, y = 329 ±25, Y = 200 cd/m 3. Switch the chroma 7120 to RGB MODE (with press “MODE” button to change) 4.
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Page 40: Monitor Exploded View
19” LCD Color Monitor Adelpia TGL198AW 10. Monitor Exploded View... - Page 41 19” LCD Color Monitor Adelpia TGL198AW Item Description Item Description BEZEL(L19W-8Q5) REAR COVER19" LENS HINGE KEY PAD STAND TOP KEY BOARD STAND PANEL BASE8S2 POWER BOARD FOOT MAIN BOARD SCREW MAINFRAME L19WA-8Q* SCREW SCREW...
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Page 42: Bom List
19” LCD Color Monitor Adelpia TGL198AW 11. BOM List T98MMANFX2UQHN Location Part No. Description Remark 050G 600 1 W WHITE STRAP 050G 600 2 HANDLE1 050G 600 3 HANDLE2 052G 1150 C INSULATING TAPE 052G 1185 1 BIG TAPE 052G... - Page 43 19” LCD Color Monitor Adelpia TGL198AW C419 067G 3151007KV ELCAP 10UF M 50V 105℃ KINGNICHI C402 067G 3151007KV ELCAP 10UF M 50V 105℃ KINGNICHI C706 067G 3151014KV EC 105℃ CAP 100UF M 25V C704 067G 3151014KV EC 105℃ CAP 100UF M 25V...
- Page 44 19” LCD Color Monitor Adelpia TGL198AW R109 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R111 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R113 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R114 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R115 061G0402101...
- Page 45 19” LCD Color Monitor Adelpia TGL198AW R444 061G0402390 1F RST CHIPR 3.9KOHM +-1% 1/16W R443 061G0402390 1F RST CHIPR 3.9KOHM +-1% 1/16W R110 061G0402471 RST CHIPR 470 OHM +-5% 1/16W R704 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R302 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W...
- Page 46 19” LCD Color Monitor Adelpia TGL198AW C709 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C708 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C403 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C404 065G0402104 15 MLCC 0402 0.1UF K 16V X5R...
- Page 47 19” LCD Color Monitor Adelpia TGL198AW FB107 071G 59G301 CHIP BEAD 300OHM FB103 071G 59K190 B 19 OHM BEAD FB102 071G 59K190 B 19 OHM BEAD FB101 071G 59K190 B 19 OHM BEAD D702 093G 60505 DIO SIG SM BAT54C(PHSE)R...
- Page 48 19” LCD Color Monitor Adelpia TGL198AW C901 065G306M1022BP 1000PF Y1.CAP C900 065G306M3322BP 3300PF 20% C939 067G215P1024AV CAP 105℃ 1000UF M 25V C915 067G215P4713AV CAP 105℃ 470UF M 16V C811 067G215P4714AV CAP 105℃ 470UF M 25V C805 067G215P4714AV CAP 105℃ 470UF M 25V...
- Page 49 19” LCD Color Monitor Adelpia TGL198AW Q806 057G 417512 MMBT3906 Q809 057G 600 55 P5506 HVG SO-8 Q804 057G 600 55 P5506 HVG SO-8 Q808 057G 759 2 RK7002FD5T116 SOT-23 BY ROHM Q801 057G 760 4B PDTA144WK SOT346 Q802 057G 760 5B...
- Page 50 19” LCD Color Monitor Adelpia TGL198AW R829 061G0603680 2F RST CHIPR 68K OHM +-1% 1/10W R816 061G0603680 2F RST CHIPR 68K OHM +-1% 1/10W R814 061G0603750 2F RST CHIPR 75KOHM +-1% 1/10W R832 061G0805000 RST CHIP MAX 0R05 1/8W R830...
- Page 51 19” LCD Color Monitor Adelpia TGL198AW R962 061G1206101 RST CHIPR 100 OHM +-5% 1/4W R901 061G1206105 1M 1206 R902 061G1206105 1M 1206 R810 061G1206150 RST CHIPR 15 OHM +-5% 1/4W R837 061G1206150 RST CHIPR 15 OHM +-5% 1/4W R850 061G1206150...
- Page 52 19” LCD Color Monitor Adelpia TGL198AW C912 065G1206102 72 CAP CHIP 1206 1000PF K 500V X7R C929 065G1206102 72 CAP CHIP 1206 1000PF K 500V X7R C808 065T0805335 17 CHIP 3.3UF 16V Y5V CHIP BEAD HCB3216KF-800T30 FB902 071G 57G800 B...
- Page 53 19” LCD Color Monitor Adelpia TGL198AW Q40G0001972 1A CARTON LABEL Q40G0002972 1C BOX SEALING LABEL Q40G000297221A ENERGY STAR LABEL Q44G9123101 EPS_L19WQ Q44G9123201 Q44G9123972 2A 19 LCD TG CARTON Q45G 77 5 PE PACKING Q45G 88607 28 PE BAG FOR CLAMP/STAND...
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