Sharp LL-153A Service Manual Download Page 5

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15” LCD Color Monitor Sharp LL-153A

2. LCD Monitor Description

The LCD MONITOR will contain a main board, a power board and a keypad 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 of panel and the main board chips

each voltage.

AC-IN

100V-240V

PWPC board

(Include: adapter, inverter)

Flat Panel and

CCFL backlight

main board

RS232 Connector

For white balance

adjustment in factory

mode

HOST Computer

CCFL Drive.

Video signal, DDC

Monitor Block Diagram

Keyboard

Summary of Contents for LL-153A

Page 1: ...3 1 General Instructions 6 3 2 Control Button 6 3 3 Adjusting the Picture 7 4 Input Output Specification 8 4 1 Input Signal Connector 8 4 2 Factory Preset Display Modes 9 4 3 Power Supply 10 4 4 Panel Specification 10 5 Block Diagram 13 5 1 Soft Flow Chart 13 5 2 Electrical Block Diagram 15 6 Schematic 17 6 1 Main Board 17 6 2 Inverter Board 22 6 3 Adapter Board 23 6 4 Audio Board 24 7 PCB Layout ...

Page 2: ...15 LCD Color Monitor Sharp LL 153A 2 Revision List Revision Date Revision History TPV Model A00 Dec 28 06 Initial Release T56CM5NJXXXWAJ ...

Page 3: ... characteristics may create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or implied arising out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiation when open AVOID DIRECT EXPOSURE TO BEAM CA...

Page 4: ... V TTL H Frequency 24 8kHz 80kHz Input V Frequency 56 75Hz ON Mode 27W Power Consumption OFF Mode 1W Contrast Ratio 500 1 Dot Clock 135MHz White Luminance 250cd m2 Max Resolution 1024 768 75Hz Power Consumption Maximum 27 Watts Display Color 16 M 6 bits FRC Plug Play VESA DDC2BTM Input Connector 15 pin D Sub Maximum Screen Size Horizontal 304 1mm Vertical 228 1mm Power Source 100 240VAC 47 63Hz En...

Page 5: ...ightness control logic and DDC The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage AC IN 100V 240V PWPC board Include adapter inverter Flat Panel and CCFL backlight main board RS232 Connector For white balance adjustment in factory mode HOST Computer CCFL Drive Video signal DDC Monitor Block Diagram Keyboard ...

Page 6: ...ol the monitor functions Press to switch functions or adjust settings MODE The MODE Key is used to move the cursor and select display mode Power Indicator Green Power On mode Red Power Saving mode Blank Power Off Mode LED GREEN BLINKING 0 5s period Out of Range NO Name Within OSD Without OSD 1 MENU An adjustment menu display a change elimination Activate OSD main menu 2 MODE Move the cursor to dow...

Page 7: ...se H Position Adjust the horizontal position of the picture V Position Adjust the vertical position of the picture Black Level Adjust the black level of the picture Contrast Contrast from Digital register Cool Recall cool Color Temperature from EEPROM STD Recall standard Color Temperature from EEPROM Warm Recall warm Color Temperature from EEPROM White Balance User Adjust the value of the Red Gree...

Page 8: ...timer is on 4 Input Output Specification 4 1 Input Signal Connector D SUB connector Pin No Description Pin No Description 1 Red Video 9 5V Supply 2 Green Video 10 GND 3 Blue Video 11 NC 4 NC 12 DDC Serial Data 5 GND 13 H Sync 6 Red Ground 14 V Sync 7 Green Ground 15 DDC Serial Clock 8 Blue ground Analog Connector 1 5 6 10 11 15 ...

Page 9: ...tage range 100 V 240 V A C Line frequency range 50 3Hz 60 3Hz Current 1 5A max at 100V 0 8A max at 240 V Peak surge current 55A peak at 240 VAC and cold starting Leakage current 3 5mA Power line surge No advance effects no loss of information or defect With a maximum of 1 half wave missing per second DC output Voltage 5VDC 5 12VDC 5 Current 1 5Amp 5V 2 Amp 12V ...

Page 10: ...15 LCD Color Monitor Sharp LL 153A 10 4 4 Panel Specification 4 4 1 Display Characteristics ...

Page 11: ...15 LCD Color Monitor Sharp LL 153A 11 4 4 2 Optical Characteristics 4 4 3 Electrical Characteristics TFT LCD Module ...

Page 12: ...15 LCD Color Monitor Sharp LL 153A 12 Back Light Unit ...

Page 13: ...15 LCD Color Monitor Sharp LL 153A 13 5 Block Diagram 5 1 Soft Flow Chart 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 ...

Page 14: ... the LED and set it to green color Scalar initializes 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out an interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message disappears 17 Program...

Page 15: ...al Block Diagram 5 2 1 Main Board Scalar TSUM13AK Include ADC OSD MCU etc LCD Interface Flash memory OSD Control Interface Key pad EEPROM 24C16 Crystal 14 31818MHz EEPROM 24C02 EPR_SDA EPR_SCL DB15_SDA DB15_SCL H SYNC V SYNC RXD TXD RGB D Sub Connector ...

Page 16: ...ircuit R909 R910 R931 CN902 EMI filter Bridge Rectifier and Filter PWM Control IC Transformer Over Voltage Protect Rectifier diodes AC input 12V ON OFF Control PWM Control IC Feedback Circuit Output Circuit Transformer MOSFET Q805 Lamp ON OFF DIM PWM Feedback Circuit 12V 5V ...

Page 17: ...tle Size Document Number Rev Date Sheet of 12V B3 3 INPUT RIN GIN BIN VSYNC GNDR GNDG GNDB DET_VGA HSYNC SOG DDCA_SDA DDCA_SCL 5V DDC_WP PB 12 21 3V3 5V PA 12 13 VCC1 8 3V3 B2 2 POWER on_Panel on_BACKLIGHT Adj_BACKLIGHT VCC1 8 VLCD 5V 3V3 12V LVDS OUTPUT B4 4 SCALER RIN GIN SOG BIN GNDR GNDG GNDB HSYNC VSYNC Adj_BACKLIGHT VCC1 8 3V3 PA 0 7 DDCA_SDA DDCA_SCL DET_VGA on_BACKLIGHT on_Panel 5V PB 12 2...

Page 18: ... 2 VIN ADJ VOUT 5V R705 4 7K 1 16W PANEL3 3 VCC1 8 3V3 5V F602 FUSE_1 5A U702 NC 3 1 2 VIN ADJ VOUT TO 263 12V R708 10K 1 16W R712 4 7K 1 16W C713 NC 5V C614 0 001uF VCC1 8 4 on_Panel 4 C715 NC TO 263 5V L602 22uH Q602 AO3401L 1 3 2 12V 4 keep shorter C602 47uF 25V 3V3 R605 22 1 16W C612 0 001uF D602 SSM54 Q704 AO3401L Q703 PMBS3904 C710 100uF 25V R714 10K 1 16W 5V R703 NC R608 20K 1 16W CN701 CON...

Page 19: ...B407 120 OHM R454 100 1 16W VGA_CON C444 1uF 25V D407 BAV70 3 1 2 5V GND C113 0 1uF D404 BAV99 3 1 2 GNDR 4 R494 0 1 16W R443 100 1 16W R446 150 1 16W R447 1K 1 16W R452 NC C433 0 047uF FB409 0 1 16W VSI R451 4 7K 1 16W R455 100 1 16W D405 BAV99 3 1 2 R486 100 1 16W R435 56 1 16W C434 0 047uF GIN 4 PC5V GREEN ZD406 UDZS5 6B BLUE C437 0 047uF HSI SOG 4 SDA_VGA C439 0 1uF R448 2 2K 1 16W C440 0 1uF ...

Page 20: ...VDD_MPLL VDDP VDDP VDDP VDDC AVDD_ADC GND on_BACKLIGHT 2 VDDC FB403 120 OHM OUT R R489 NC SOG 3 12V 2 VDDC KEY_RIGHT1 KEY_MENU KEY_POWER1 PB12 KEY_RIGHT GND C421 22pF F401 FUSE 1A 0603 R422 4 7K 1 16W R426 10K 1 16W SCALER A TSUM13AK C 4 5 Tuesday May 31 2005 Title Size Document Number Rev Date Sheet of 5V PB14 KEY_LEFT1 C405 0 1uF 3 KEY_POWER1 ROM_WP C410 0 1uF VMPLL LED_G X401 14 318MHz 3V3 2 3 ...

Page 21: ...M RXE2 PA2 PA5 PANEL INTERFACE A TSUM13AK B 5 5 Tuesday May 31 2005 Title Size Document Number Rev Date Sheet of LVA3P LVB2P R728 2 2K 1 16W LVB3M PB15 LVA1M LVBCKP RXE0 PB 12 21 4 LVA1P PB12 LVB0M 3V3 LVA3P PB19 R732 1K 1 8W LVACKP LVA2M LVB3P LVACKP PA0 LVB1M C719 47uF 25V PA7 PA 12 13 4 RXO2 LVA2M PB16 RXE1 PA 0 7 RXOC PB18 PA6 LVB2P RXE1 LVB3M VLCD LVDS_TEST RXE0 LVB2M PA4 LVA2P LVB0P RXO1 RXO...

Page 22: ...50V C809 0 047UF 50V 3 2 1 Q801 PMBS3904 R810 100K 1 10W N C R833 75K 1 10W R825 560 1 10W R815 100K 1 10W 5 3 7 4 1 8 PT801 80GL19T 36 DN C816 10PF 3KV R808 200K 1 8W 3 2 1 Q803 PMBS3904 R816 1M 1 10W R842 10 1 10W ZD801 RLZ5 6B 1 2 CN801 33G8021 2D U C804 1 5uF 25V R814 56K 1 10W J825 TIN COATED R817 39K 1 10W C805 1000PF 50V C812 1500PF 50V 3 2 1 Q802 PMBS3904 3 1 2 D801 BAV70 R822 3M 1 2W 5 3 ...

Page 23: ... U4KB80R 2 4 3 1 R923 1K 1 8W L901 2 0MH 1 4 2 3 GND SG902 NC FB901 BEAD 1 2 D903 LL4148WP C911 470UF 25V CN301 PHONEJACK 1 5 2 4 3 R937 100 1 4W R904 0 68Ω 2W C912 1000uF 25V IC903 AZ431AZ AE1 R930 100KΩ 1 1 4W R921 3 6K 1 8W R928 220 1 4W R903 680K 1 4W D901 FR107 5V D906 0Ω 1 4W C916 0 1uF 25V R910 430K 1 4W CN902 CONN 2 4 6 8 10 12 1 3 5 7 9 11 R936 100 1 4W C930 1500pF 1KV C909 1000uF 25V DIM...

Page 24: ...15 LCD Color Monitor Sharp LL 153A 24 6 4 Audio Board ...

Page 25: ...15 LCD Color Monitor Sharp LL 153A 25 7 PCB Layout 7 1 Main Board ...

Page 26: ...15 LCD Color Monitor Sharp LL 153A 26 7 2 PWPC Board ...

Page 27: ...15 LCD Color Monitor Sharp LL 153A 27 7 3 Audio Board 715G1144 3 SH ...

Page 28: ... 28 7 4 Key Board 8 Maintainability 8 1 Equipments and Tools Requirement 1 Voltmeter 150 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with an IBM Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Service Manual 8 User Manual ...

Page 29: ...Signal cable Is the screen show Cable Not Connected Connected the Signal cable again Check LED status Led Green Replace U402 Flash Rom No nothing is Connected the Signal cable again Check Power switch is in Power on status and check if Power switch had been stuck Led Orange OK Keyboard no Led orange Led Green Check the Wire Harness from CN405 Measured RGB R434 R435 R436 H V Input at U401 pin 63 64...

Page 30: ...R731 should 0 v OK NG no Voltage Measured the Q706 pin 3 5 V Replace Q602 N MOS A03401 OK OK Yes NG Check the Bklt On relative circuit R711 R712 In normal operation when LED green R711 R712 Bklt On should 5 v If Bklt On no response when the power switch turn on off Replace U401 TSUM13AK OK NG Replace Power board Re do white balance Measured the inverter connector CN701 Pin2 on off control 5V on Pi...

Page 31: ...1k and LED is Green OK Replace TSUM13AK U401 or replace Main board Check TSUM13AK U401 Signal output PIN105 114 118 127 Is the waveform ok OK If Main Board being replace please do the DDC content reprogrammed OK NG no transition OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y N N Is Key Pad Board normally R...

Page 32: ...Check the voltage of C905 Check bridge rectified circuit and F901 circut Check start voltage for the pin3 of IC901 Change R909 R910 R931 and Change IC901 NG Check the auxiliary voltage is bigger than 10V smaller than 20V 1 Check IC901 2 Check ZD901 R915 C916 OVP circuit OK OK OK OK NG NG NG Check Q903 R918 R919 R928 T901 ZD905 D901 Check IC901 pin8 PWM wave Check IC901 OK NG ...

Page 33: ...in board NG OK Check IC801 pin2 5V NG OK Change Q801 Q802 Q803 circuit Check the pin1 15 of IC801 have saw tooth wave Check IC801 pin6 7 10 Check the pin5 of IC801 NG OK Check D802 D804 Q806 circuit Check the resonant wave for PT801 NG OK Check the output of PT801 Check Q805 circuit Check connecter lamp OK NG Change PT801 OK NG ...

Page 34: ...r cord Then the factory OSD will be at the left top of the panel 4 Bias adjustment Set the Contrast to 64 Adjust the Brightness to 31 5 Gain adjustment Move cursor to F and press MENU key A Adjust 9300K color temperature 1 Switch the CA210 to 9300 with press MODE button 2 Switch the MEM Channel to Channel 3 with up or down arrow on CA210 3 The LCD indicator on CA210 will show x 283 15 y 297 15 4 A...

Page 35: ...00 with press MODE button 2 Switch the MEM Channel to Channel 3 with up or down arrow on CA210 3 The LCD indicator on CA210 will show x 346 15 y 359 15 4 Adjust the RED of color1 on factory window until CA210 indicator reached the value R 100 5 Adjust the GREEN of color1 on factory window until CA210 indicator reached the value G 100 6 Adjust the BLUE of color1 on factory window until CA210 indica...

Page 36: ...15 LCD Color Monitor Sharp LL 153A 36 10 Monitor Exploded View ...

Page 37: ... 15 EVA WASHER 45G8088607SH3 EPE BAG FOR MONITOR 52G 1150 SH BLACK TAPE 52G 1210 A AL Foil 52G6019 1 YELLOW TAPE 52G6022 22 GP Adhesive tape 52G6025 11582 MYLAR SHIELD 52G8001 8 NON WOVEN FABRICS 78G 314 2 K LCD Speaker 85G 707 1 MAIN SHIELD 89G 17356G556 AUDIO CABLE 89G 728GAB901 SIGNAL CABLE 89G401D18NISA POWER CORD 95G8014 12 36 HARNESS 12P 12P 80mm 95G8014 16 46 HARNESS 12P 16P 180MM 95G8018 2...

Page 38: ...6W C205 67G215L471 3N 470UF 16V C207 67G215L471 3N 470UF 16V C208 67G215L471 3N 470UF 16V C201 67G215L681 4N 680UF 25V C202 67G215L681 4N 680UF 25V 90G6093 1 HEAT SINK AUPC560KB8AIP AUPC BOARD FOR AI R207 61G0603102 CHIPR 1KOHM 5 1 10W R208 61G0603102 CHIPR 1KOHM 5 1 10W R201 61G0603183 CHIP resistors 1 10W R203 61G0603183 CHIP resistors 1 10W R210 61G0603203 RST CHIP 20K 1 10W 5 R211 61G0603203 R...

Page 39: ...N LOW ESR EC 47UF 25V NCC C719 67G215V470 4N LOW ESR EC 47UF 25V NCC L602 73G 253158 L CHOKE COIL CN405 88G353A15F HJ D SUB 15PIN 90G6250 1 GP Radiator X401 93G 22 53 CRYSTAL 14 31818MHZ HC 4 U601 56G 133 32 NS IC LM3485 MSOP 8 U401 56G 562102 TSUM13AK LF PQFP 128 U602 56G 563 34 IC AIC1084 18PM TO 263 U405 56G 643 5A MAX810STRG SOT 23 IC U201 56G1133 34 IC M24C02 WMN6TP U303 56G1133 56 IC M24C16 ...

Page 40: ... 5 1 10W R454 61G0603101 CHIPR 100OHM 5 1 10W R455 61G0603101 CHIPR 100OHM 5 1 10W R481 61G0603101 CHIPR 100OHM 5 1 10W R486 61G0603101 CHIPR 100OHM 5 1 10W R411 61G0603102 CHIPR 1KOHM 5 1 10W R418 61G0603102 CHIPR 1KOHM 5 1 10W R420 61G0603102 CHIPR 1KOHM 5 1 10W R430 61G0603102 CHIPR 1KOHM 5 1 10W R433 61G0603102 CHIPR 1KOHM 5 1 10W R447 61G0603102 CHIPR 1KOHM 5 1 10W R456 61G0603102 CHIPR 1KOHM...

Page 41: ...00KOHM 5 1 10W R446 61G0603151 CHIPR 150 OHM 5 1 10W R608 61G0603200 2F RST CHIP 20K 1 10W 1 R605 61G0603220 CHIPR 22OHM 5 1 10W R448 61G0603222 CHIPR 2 2KOHM 5 1 10W R449 61G0603222 CHIPR 2 2KOHM 5 1 10W R728 61G0603222 CHIPR 2 2KOHM 5 1 10W R607 61G0603330 2F RST CHIP 33K 1 10W 1 R606 61G0603333 RST CHIP 33K 1 10W 5 R403 61G0603390 0F 390OHM 1 R437 61G0603471 CHIPR 470OHM 5 1 10W R405 61G0603472...

Page 42: ...R C407 65G0603104 32 CHIP 0 1UF 50V X7R C409 65G0603104 32 CHIP 0 1UF 50V X7R C410 65G0603104 32 CHIP 0 1UF 50V X7R C411 65G0603104 32 CHIP 0 1UF 50V X7R C412 65G0603104 32 CHIP 0 1UF 50V X7R C413 65G0603104 32 CHIP 0 1UF 50V X7R C414 65G0603104 32 CHIP 0 1UF 50V X7R C415 65G0603104 32 CHIP 0 1UF 50V X7R C416 65G0603104 32 CHIP 0 1UF 50V X7R C419 65G0603104 32 CHIP 0 1UF 50V X7R C420 65G0603104 32...

Page 43: ...17 65G0805105 22 CHIP 1UF 25V X7R 0805 C425 65G0805105 22 CHIP 1UF 25V X7R 0805 C444 65G0805105 22 CHIP 1UF 25V X7R 0805 C708 65G0805105 22 CHIP 1UF 25V X7R 0805 FB401 71G 56K121 M GP CHIP BEAD 120OHM T FB402 71G 56K121 M GP CHIP BEAD 120OHM T FB403 71G 56K121 M GP CHIP BEAD 120OHM T FB404 71G 56K121 M GP CHIP BEAD 120OHM T FB405 71G 56K121 M GP CHIP BEAD 120OHM T FB406 71G 56K121 M GP CHIP BEAD 1...

Page 44: ...5 R101 61G 60251152T CFR 1 6W 510OHM 5 R102 61G 60251152T CFR 1 6W 510OHM 5 SW1 77G 600 1GCJ Switch SW2 77G 600 1GCJ Switch SW3 77G 600 1GCJ Switch SW4 77G 600 1GCJ Switch SW5 77G 600 1GCJ Switch D101 81G 12 1F GP LED CN104 88G 30211K PHONE JOCK J1 95G 900 58 WIRE HARNESS ZD101 93G 39S 34 T ZENER DIODE UDZS5 6B ZD102 93G 39S 34 T ZENER DIODE UDZS5 6B ZD103 93G 39S 34 T ZENER DIODE UDZS5 6B ZD104 9...

Page 45: ...3 91 LS CHOKE COIL L904 73G 253 91 LS CHOKE COIL L901 73L 174 53 LG GP LINE FILTER L902 73L 174 55 LG GP LINE FILTER PT801 80GL15T 30 DN X FMR 74uH TK 2026 101 T901 80LL19T 7 LG GP TRANSFORMER CN301 88G 30214K PHONE JACK 5PIN BD901 93G 50460900 GBU408 D901 93G 6026T52T FR107 DO 41 1000V 1A D905 93G 6038T52T FR103 DO 41 200V 1A CN302 95G8013 3704 X HARNESS 705G 560 57S44 R905 ASS Y 705G 780 57S7P Q...

Page 46: ...103 CHIP 10KOHM 1 10W R804 61G0805103 CHIP 10KOHM 1 10W R812 61G0805103 CHIP 10KOHM 1 10W R820 61G0805103 CHIP 10KOHM 1 10W R919 61G0805103 CHIP 10KOHM 1 10W R810 61G0805104 RST CHIP 100K 1 8W 5 R815 61G0805104 RST CHIP 100K 1 8W 5 R821 61G0805104 RST CHIP 100K 1 8W 5 R813 61G0805105 RST CHIP 1M 1 8W 5 R816 61G0805105 RST CHIP 1M 1 8W 5 R845 61G0805105 RST CHIP 1M 1 8W 5 R847 61G0805105 RST CHIP 1...

Page 47: ...1206101 CHIP 100OHM 5 1 8W R806 61G1206105 CHIP 1MOHM 5 1 8W R818 61G1206150 RST CHIP 15R 1 4W 5 R819 61G1206150 RST CHIP 15R 1 4W 5 R808 61G1206204 RST CHIPR 200 KOHM 5 R909 61G1206434 RST CHIPR 430 KOHM 5 R910 61G1206434 RST CHIPR 430 KOHM 5 R931 61G1206434 RST CHIPR 430 KOHM 5 R805 61G1206471 RST CHIP 47OR 1 4W 5 R911 61G1206472 CHIP 4 7KOHM 5 18W R914 61G1206519 CHIP resistors 1 3W R901 61G120...

Page 48: ... 080 C824 65G0805472 31 CHIP 4700PF 50V X7R 080 C809 65G0805473 32 SMD 47NF 10 50V C819 65G0805473 32 SMD 47NF 10 50V C810 65G080556131G MLCC 0805 560PF G 50V NP C808 65G0805682 32 CHIP 6 8nF 50V X7R 0805 C932 65G1206102 72 CHIP 1000PF 500V X7R C914 65G1206104 32 CHIP 0 1UF 25V X7R 1206 C931 65G1206222 72 CHIP 2200PF 500V X7R C933 65G1206222 72 CHIP 2200PF 500V X7R D802 93G 64 33 BAV99 SOT 23 D801...

Page 49: ... 2W 96G 29 6 SHRINK TUBE UL CSA 51G 200 1 6342 Coolant Oil Q903 57G 667 30 2SK2645 54MR TO 220F 90G6084 1 HEAT SINK XN01A AM1G1730 8120 SCREW R904 61G 2J68858G 0 68 OHM 5 2W 96G 29 6 SHRINK TUBE UL CSA CN901 87G 501 36 S AC SOCKET 95G 900703 X WIRE HARNESS 96G 29 6 SHRINK TUBE UL CSA 51G 200 1 6342 Coolant Oil 90G6084 1 HEAT SINK D902 93G 60245 DIODE SP10150 ITO 220 XN01A AM1G1730 8120 SCREW 51G 2...

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