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21.5" LCD Color Monitor AOC 2236Vwa

12. BOM List

TI9CA8NQ6WA16NE

Location

Part No.

Description

Remark

040G 45762420A

LABEL 25x6mm

040G 58162435A

P/N LABEL FOR MANUAL PE BAG

045G 77500

BARCODE RIBBON

045G 77501

BARCODE RIBBON

052G 1185

MIDDLE TAPE

052G 1186

SMALL TAPE

052G 1208 A

ALUMINIUM TAPE

052G6026 2

MESH PRINTTING PAPER

055G 100611500

TIN STICK W/O PB

E07801

078G0020 2 Y

SPEAKER 4 OHM 2 W 500/300mm 40X20mm

E08904

089G 173 56 4B

AUDIO CABLE

E08905

089G 175 8 C

USB CABLE A+B 1.8M

E08902

089G 725HAA DB

D-SUB CABLE

E08903

089G1745HAA 9

DVI CABLE 1.5M

E08901 089G424A15N

POWER

CORD

E09508

095G8014 5WH09

HARNESS 5P(PLUG)-5P(2501) 200MM

E09503

095G8014 7T588

HARNESS 7P(PLUG)-6P(C2003) 260MM

0D1G1730 8120

SCREW

0M1G 130 6120

SCREW M3X6

705GH934051

STAND

ASS'Y

E750 750GLC215FA112N000 PANEL

CLAA215FA01 000 WJ CPT

2nd source

E750 750GLC215FA113N000 PANEL

CLAA215FA01 000 FZ CPT

2nd source

A15G0647102 SKD

Main Frame-2136V

A34G1160AEDB1B0130

BEZEL

21.5"

A34G1161ABJA3S0100 REAR

COVER21.5"

A34G1162AED

1S0130 BASE

A85G0140201 CKD

AC Shield

H01G6006 1

Screw

H26G800P504

barcode

H40G 58161569A

USB LABEL

H40G 58161595A

premium GOLD EPA LABEL

H40G22NP61522A

LABEL

H41G780061534A

913Fw

保证卡

CKD

H41G780061590A

QSG

H45G 77 6

PE PACKING

H45G 87 4 7

PE BAG FOR BASE

H45G 87 4 9

PE BAG FOR BASE

H45G 87 18 21

EPE_COVER_MONITOR

H45G 87 28 V2

PE BAG FOR MANUAL

H70G200961514A

MANUAL

KEPC9HAK

KEY

BOARD

PWPC9C41AHD2

POWER

BOARD

Q45G 76 28V13 A

PE BAG

Q52G 1185 99

BIG CARTON TAPE FOR AOC

Q52G6019

TAPE

E08907 S89G179T30NA05

FFC

CABLE

USB9HA1K

USB

BOARD

USB9HA2K

USB

BOARD

Содержание 2236VWA

Страница 1: ...ock Diagram 13 7 Schematic 15 7 1 Main Board 15 7 2 Power Board 19 8 PCB Layout 21 8 1 Main Board 21 8 2 Power Board 22 8 3 Key Board 24 9 Maintainability 25 9 1 Equipments and Tools Requirement 25 9...

Страница 2: ...haracteristics might 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...

Страница 3: ...21 5 LCD Color Monitor AOC 2236Vwa 3 Revision List Version Date Revision History Remark A00 Jun 12 2009 Initial release TI9CA8NQ6WA16NE...

Страница 4: ...DC2B CI Input Connector D Sub 15pin DVI D Input Video Signal Analog 0 7Vp p standard 75 OHM TMDS Power Source 100 240VAC 50 60Hz Typical 42 W Power Consumption Standby 1 W USB Downstream port A type T...

Страница 5: ...ontrol 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 Power Board Include adapter and inverter Flat Panel an...

Страница 6: ...e power indicator will light up 3 2 Control Buttons Power Press to turn on or turn off the monitor Source 4 3 or wide Up Press key to change the screen aspect ratio between standard 4 3 format or Wide...

Страница 7: ...icture OSD Settings Eco mode DCR Standard Text Internet Game Movie Sports Notes When Eco mode is not set as Standard Contrast and Brightness can not be adjusted When DCR is set as On Contrast Brightne...

Страница 8: ...sync 6 GND R 14 V sync 7 GND G 15 DDC Serial clock 8 GND B DVI D 24pin Connector Pin No Signal Name Pin No Signal Name Pin No Signal Name 1 TMDS Data 2 9 TMDS Data 1 17 TMDS Data 0 2 TMDS Data 2 10 T...

Страница 9: ...80 72Hz DMT 37 861 72 809 VGA 640 480 75Hz DMT 37 5 75 Dos mode 720 400 70Hz DOS 31 469 70 087 SVGA 800 600 56Hz DMT 35 156 56 25 SVGA 800 600 60Hz DMT 37 879 60 317 SVGA 800 600 72Hz DMT 48 077 72 18...

Страница 10: ...id Crystal Display module composed of LCD panel driver ICs control circuit and backlight By applying 6 bit digital data 1920 1080 16 7M color images are displayed on the 21 5 diagonal screen Input pow...

Страница 11: ...21 5 LCD Color Monitor AOC 2236Vwa 11 5 2 Optical Characteristics...

Страница 12: ...21 5 LCD Color Monitor AOC 2236Vwa 12 5 3 Parameter guide line for CCFL Inverter 1 TFT LCD Module 2 Backlight Unit...

Страница 13: ...21 5 LCD Color Monitor AOC 2236Vwa 13 6 Block Diagram 6 1 Software 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...

Страница 14: ...n on the LED and set it to green color Scalar initialize 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are they re any signals coming 13 Does the scalar send out an...

Страница 15: ...LASH MEMORY EN25F20 100GCP U402 Scalar TSUMU58EHL LF 1 Include MCU ADC OSD etc U401 LCD Interface CN301 D Sub Connector CN101 H sync V sync RGB EEPROM AZC199 04S U104 VGA_SDA VGA_SCL DVI Connector CN1...

Страница 16: ...CN902 DIM EMI filter Bridge Rectifier and Filter Start Circuit PWM Control IC Transformer Rectifier diodes AC input 12V ON OFF Control PWM Control IC Feedback Circuit LC Resonance Transformer MOSFET O...

Страница 17: ...pF For BUZZER control board or Touch Panel R452 0R05 1 16W VCC3 3 NC PA0 FB404 300OHM R454 NC R446 NC VPLL CMVCC1 LED O POWER_KEY LED_ORANGE C405 0 1uF 16V 10K 1 16W 5 32 pF CMVCC1 C413 0 1uF 16V C406...

Страница 18: ..._G C121 1000pF RX0N R108 75R 1 16W 5 DGND RX1P 5 DDC2_SCL FB103 BEAD 1 2 U103 AZC199 04S 1 2 3 4 5 6 I O1 GND I O2 I O3 VDD I O4 U101 R107 2K2 1 16W 5 R130 10R 1 16W 5 DDC2_SCL 5 C124 0 1uF 16V R135 1...

Страница 19: ...20 22 24 26 28 30 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 R301 220 OHM 1 4W PA7 C305 100UF25V RXO0 LVA2P LVA3P RXO1 PB6 CN301 NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 2...

Страница 20: ...V Mute1 BKLT EN R709 NC VCC3 3 DGND 2 3 5 VCC1 8 C707 100UF25V C709 0 1uF 16V PANEL_ID 5 SOT 223 R703 10K 1 16W 5 C713 0 1uF 16V on_BACKLIGHT 5 PANEL_ID R705 1K 1 16W 5 SOT 252 Volume R704 22K 1 16W 5...

Страница 21: ...FMW 2156 1 2 3 2008 12 01 D907 IN4148 C938 NC 2008 12 01 D902 SB5150 1 2 L901 30mH 1 4 2 3 FB901 BEAD 1 2 GND1 GND 1 2 U901 LD7576 1 2 3 4 5 6 7 8 CT COMP CS GNDOUT VCC NC HV R933 NC T901 POWER X FMR...

Страница 22: ...T VIN BT TG SW VCC BG GND OV1 C811 470uF 25V R809 100K 1 10W 5 R806 10K 1 10W 5 REF RJ807 0R05 1 4W 5 CN801 CONN 1 2 R801 430 OHM 1 10W OV2 CN802 CONN 1 2 R814 10 OHM 5 1 10W LI2 R817 10K 1 10W 5 C813...

Страница 23: ...21 5 LCD Color Monitor AOC 2236Vwa 23 8 PCB Layout 8 1 Main Board...

Страница 24: ...21 5 LCD Color Monitor AOC 2236Vwa 24...

Страница 25: ...21 5 LCD Color Monitor AOC 2236Vwa 25 8 2 Power Board...

Страница 26: ...21 5 LCD Color Monitor AOC 2236Vwa 26...

Страница 27: ...21 5 LCD Color Monitor AOC 2236Vwa 27 8 3 Key Board 715G3371 1...

Страница 28: ...21 5 LCD Color Monitor AOC 2236Vwa 28 8 4 USB Board 715G2663 2 715G3501 2...

Страница 29: ...C 2236Vwa 29 9 Maintainability 9 1 Equipments and Tools Requirement 1 Multi meter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with an Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Serv...

Страница 30: ...if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Measure U701 Vout 3 3V U703 Vout 1 8V Reinsert or check the power section X401 oscillate waveforms are normal Measure...

Страница 31: ...NG Measure U701 Vout 3 3V U703 Vout 1 8V Replace U701 U703 X401 oscillate waveforms are normal Replace X401 Check if the sync signal from computer is output and video cable is connected normally Inpu...

Страница 32: ...re Q301 Q302 base is low level X401 oscillate waveform is normal Check Q301 Q302 is broken or CN301 solder Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK...

Страница 33: ...oltage of C907 Check bridge rectified circuit and F902 circuit Check start voltage for the pin3 of IC901 Check R918 R924 Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller than...

Страница 34: ...OFF signal Check Interface board or main board NG OK Check U801 PIN9 14 5V NG OK Change on off circuit Check U801 PIN8 have triangle wave NG OK Change U801 Check T801 have the output of square wave a...

Страница 35: ...35 9 2 3 Key Board OK OK OSD is unstable or not working Is Keypad board connecting normally Is Button Switch normally Is Keypad board normally Check main board Connect Keypad Board Replace Button Swit...

Страница 36: ...4 Adjust the RED of color1 on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN of color1 on factory window until chroma 7120 indicator reached the value G 100 6 A...

Страница 37: ...ess MODE button 2 Switch the MEM channel to Channel 4 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 313 30 y 329 30 Y 180 cd m2 4 Adjust the RED of color3 on fact...

Страница 38: ...21 5 LCD Color Monitor AOC 2236Vwa 38 11 Monitor Exploded View...

Страница 39: ...C2003 260MM 0D1G1730 8120 SCREW 0M1G 130 6120 SCREW M3X6 705GH934051 STAND ASS Y E750 750GLC215FA112N000 PANEL CLAA215FA01 000 WJ CPT 2nd source E750 750GLC215FA113N000 PANEL CLAA215FA01 000 FZ CPT 2n...

Страница 40: ...2 056G 139 7 1 IC EL817MA M TYPE IC601 056G 616 51 IC APA2071JI TUG 3 1W DIP 16 NR901 061G 58100 WD RST NTCR 10 OHM 20 5A THINKING C908 063G107K224 UM X2 CAP 0 22uF K 275VAC C820 065G 3J6806ET CAP CER...

Страница 41: ...61G0603000 RST CHIP MAX 0R05 1 10W R001 061G0603000 RST CHIP MAX 0R05 1 10W R002 061G0603101 RST CHIPR 100 OHM 5 1 10W R007 061G0603561 RST CHIPR 560 OHM 5 1 10W R006 061G0603561 RST CHIPR 560 OHM 5 1...

Страница 42: ...03563 RST CHIPR 56 KOHM 5 1 10W R845 061G0603682 RST CHIPR 6 8 KOHM 5 1 10W R844 061G0603682 RST CHIPR 6 8 KOHM 5 1 10W R843 061G0603682 RST CHIPR 6 8 KOHM 5 1 10W R842 061G0603682 RST CHIPR 6 8 KOHM...

Страница 43: ...M5 R C610 065G0603101 31 CER1 0603 NP0 50V 100P PM5 R C923 065G0603102 32 1000PF 10 50V X7R C924 065G0603104 22 CAP CHIP 0603 0 1UF K 25V X7R C926 065G0603104 22 CAP CHIP 0603 0 1UF K 25V X7R C613 065...

Страница 44: ...SOT23 6L U402 056G1133129 IC EN25F20 100GCP 2Mb SOP 8 U102 056G1133918 IC AT24C02BN SH T 8 SOIC U101 056G1133918 IC AT24C02BN SH T 8 SOIC Q701 057G 417 12 T KEC 2N3904S RTK PS Q302 057G 417 12 T KEC 2...

Страница 45: ...5 1 16W R703 061G0402103 RST CHIPR 10 KOHM 5 1 16W R702 061G0402103 RST CHIPR 10 KOHM 5 1 16W R436 061G0402103 RST CHIPR 10 KOHM 5 1 16W R412 061G0402103 RST CHIPR 10 KOHM 5 1 16W R407 061G0402103 RS...

Страница 46: ...0 1UF 16V X7R C712 065G0402104 12 CAP CHIP 0402 0 1UF 16V X7R C709 065G0402104 12 CAP CHIP 0402 0 1UF 16V X7R C124 065G0402104 12 CAP CHIP 0402 0 1UF 16V X7R C301 065G0402104 12 CAP CHIP 0402 0 1UF 1...

Страница 47: ...G 31500 EYELET PT801 006G 31502 1 5MM RIVET IC903 056G 158 10 T IC AS431AZTR E1 TO 92 Q904 057G 761 16 TRA KTD1028 KEC R906 061G152M10452T RST MOFR 100KOHM 5 2WS R924 061G152M39852T RST MOFR 0 39 OHM...

Страница 48: ...5G 90 23 JUMPER WIRE J905 095G 90 23 JUMPER WIRE J904 095G 90 23 JUMPER WIRE J903 095G 90 23 JUMPER WIRE J603 095G 90 23 JUMPER WIRE J602 095G 90 23 JUMPER WIRE J601 095G 90 23 JUMPER WIRE J819 095G 9...

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