AWA MHDV2262-04 Service Manual

Text of AWA MHDV2262-04 User Guide:

• AWA MHDV2262-04, Poor sound Verify if sound system is correct . Poor sound Change sound system No Update the software and make the reboot; or change the Mainboard Still having problems For ease of use, recommend that customer format the picture and sound settings in the automatic option. - 51 -

• AWA MHDV2262-04, 5 5 4 4 3 3 2 2 1 1 D D C C B B A A TSVALID PCM_CD2_N PCM_CD_N PCM_CD1_N PCM_CE_N PCM_A10 PCM_A11 PCM_A9 PCM_A8 PCM_IRQA_N PCM_A13 PCM_A14 PCM_A12 PCM_A7 PCM_A6 PCM_A5 PCM_A4 PCM_A3 PCM_A2 PCM_A1 PCM_A0 PCM_D0 PCM_D1 PCM_D2 PCM_D7 PCM_D4 PCM_D5 PCM_D6 PCM_D3 PCM_CE_N PCM_CD_N PCM_OE_N PCM_WE_N PCM_IRQA_N PCM_REG_N PCM_WAIT_N PCM_RESET PCM_IORD_N PCM_IOWR_N PCM_CD2_N PCM_CD1_N TSSTART TSCLK TS_MDI0 TS_MDI1 TS_MDI2 TS_MDI3 TS_MDI4 TS_MDI5 TS_MDI6 TS_MDI7 PCM_A[14:0] TS_MDO3 TS_MDO4 TS_MDO5 TS_MDO6 TS_MDO7 TS_MOCLK TS_MDO2 TS_MOVAL TS_MOSTART TS_MDO0 TS_MDO1 PCM_IORD_N PCM_IOWR_N PCM_WAIT_N PCM_RESET PCM_REG_N PCM_OE_N PCM_WE_N PCM_D[7:0] TS_MDO0 TS_MDO1 TS_MDO2 TS_M

• AWA MHDV2262-04, 5 5 4 4 3 3 2 2 1 1 D D C C B B A A VGA_ARI VGA_ALI SIDE_AVIN SIDE_AULIN SIDE_AURIN VGA_ALI VGA_ARI SIDE_AV CVBS_OUT VOUT VGA_AL VGA_AR AV1_AL AV1_AR RGB0_GIN- RGB0_BIN- RGB0_RIN- SC1_FB Y Pb Pr SCART_AV SC1_FSO RGB0_BIN+ RGB0_GIN+ RGB0_RIN+ RGB0-SOG AV1-L AV1-R AV1-Lin AV1-Rin SC_ALOUT SC_AROUT AV1-V VOUT SC_ALOUT SC_AROUT Pb Y VOUT AV1-V Pr AV1-L SC1_FSO SC_AROUT AV1-R SC_ALOUT PBIN PRIN SIDE_AULIN YIN SIDE_AVIN SIDE_AURIN SIDE_AV CVBS_OUT VGA_AL VGA_AR AV1_AL AV1_AR SC1_FB SC1_FS SC_ALOUT SC_AROUT SCART_AV AV1-Lin AV1-Rin RGB0-SOG RGB0_GIN+ RGB0_BIN+ RGB0_RIN+ RGB0_BIN- RGB0_GIN- RGB0_RIN- YIN PBIN PRIN +8V AGND AGND AGND SIDE CVBS Input C:1u

• AWA MHDV2262-04, Service Manual Model No.: 8.3 How to enter into the hotel model 1. You can press "source-1-0-0-1" to go into the hotel model. Presse the key "exit" to shut the hotel model. Content: 1.Hotel Mode: 2.Panel Key Lock: 3.Max Volume: 4.Start Source: 5.Start Channel: 6.Start Menu Display: 7.Input Source Change: 8.Save to USB: 9.Loaking: 10.Volume Default Hotel mode switch Panel key lock Hotel mode can adjust the maximum volume Hotel mode locking TV signal source Hotel mode locki

• AWA MHDV2262-04, Service Manual Model No.: - 09 - 3-2-1 Function Description: Main Board Process signal which incept from exterior equipment then translate into signal that panel can display. &RQQHFWRUGH¿QLWLRQ Main board connector Keypad and remote connector (J28) Pin number Signal name Description 1 LED_R LAMP RED 2 LED_G LAMP GREEN 3 4 IR REMOTE CONTROL 5 GND GND 6 5V POWER FOR REMOTE KEY1 KEY0 GND 7 8 9 10 NC STANDBY Speaker connector (J26) Pin number Signal name Description 1 RSPK+ RSPK+ 2 RSPK- RSPK- 3 LSPK- LSPK- 4 LSPK+ LSPK+

• Check if there is input at Pin3、Pin5 of U25 Check if there is output at Pin4 、 Pin6 of U19 No No Yes Yes Replace U8 Check the circuit between U25 and Pin1、Pin9 of U19 No sound but have picture Change Mainboard Still having problems Check if there is sound input signal No Check the input source Yes No Verify if U19 has the right power in (Pin 7) Check if there i

• AWA MHDV2262-04, 5 5 4 4 3 3 2 2 1 1 D D C C B B A A BKLON BKLON BKLON BKLON BKLON BKLON ADJ-PWM BL_ONOUTPUT BKLON BL-ADJUSTOUTPUT LCDON LED1 FB1 LED2 LED3 5VSTB# BL_ONOUTPUT BL_ONOUTPUT SHD OVP LED1 LED2 LED3 SHD LED4 LED1 OVP LED3 +12V FB LED2 FB LED5 LED+ LED4 LED6 LED5 LED7 LED7 LED8 LED6 LED+ DRV LED8 DRV BL-ADJUSTOUTPUT LED4 LED+ LED5 LED6 LED7 LED8 LED1 LED3 LED4 LED5 LED6 LED7 LED8 LED2 LED1 LED2 LED3 LED4 LED+ LED+ LED5 LED6 LED7 LED8 POWERON/OFF# +5V +12VB LED+ +12V SHD+5V PSON POWERON/OFF BL-ADJUSTOUTPUT BL_ONOUTPUTLED9 LED10 LED11 DB LED12 LED13 LED14 LED15 LED16 BL-ADJUSTOUTPUT LED9 LED13 LED10 LED14 LED11 LED15 LED12 LED16 FB LED11 LED12 LED13 LED14 LED+ FB1 LED+ LED15 LED1

• Check if the power cord connect well? Power on and check if 5V standby on the Power board exists ? Check if there is high level (2.5V-5.0V) at Pin2 in J7 Check J3 voltage of 12 and J8 of 5 No No Yes Yes Replace U8 Replace U8 How to know whether the Power board is broken? Still having problems Check if Main board / LVDS wire / Panel are in good condition ? No Reconnect the power cord

• AWA MHDV2262-04, REMOTE CONTROL 1: :To set the TV to standby or power on. 2: :In USB mode, used as reverse key, in teletext mode used as subpage key. 3: : In USB mode, used as forword key, in teletext mode used as reveal key. 4: : 5: : 6: :To enter or TELETEXT. 7: : To turn on subtitles press the subtitle button in DTV mode. 8 : : Displays the main on-screen menu. 9 : : To move within the menu. 10: : Confirms selection. 11: : To display information about the program being viewed and what's on next in DTV mode. 12: : To access your

• AWA MHDV2262-04, 5 5 4 4 3 3 2 2 1 1 D D C C B B A A HOTPLUG2 HDMI_E_CEC HDMI2/5V HOTPLUG_2 DDC2BSDA DDC2BSCL RX2B1P RX2B1N RX2B2N RX2B0P RX2B0N RX2BCLKP RX2BCLKN RX2B2PHDMI_CEC RX2B2P DDC2BSCL DDC2BSDA RX2B2N RX2B1P RX2B1N RX2B0P RX2B0N RX2BCLKP RX2BCLKN HOTPLUG_2 HDMI2/5V HDMI_CEC DDC3BSCL DDC3BSDA RX3B2P RX3B2N RX3B1P RX3B1N RX3B0P RX3B0N RX3BCLKP RX3BCLKN HOTPLUG_3 HDMI3/5V HOTPLUG3 HDMI_CEC RX3B2P DDC3BSCL DDC3BSDA RX3B2N RX3B1P RX3B1N RX3B0P RX3B0N RX3BCLKP RX3BCLKN HOTPLUG_3 HDMI3/5V RX2B1P RX2B1N RX2B0P RX2B0N RX2BCLKP RX2BCLKN DDC2BSCL DDC2BSDA HDMI_E_CEC HOTPLUG2 RX2B2P RX2B2N RX3B2N RX3B1P RX3B

• AWA MHDV2262-04, Service Manual Model No.: - 59 - Failure Mode Part Name Description Phenomena Failure cause Circuit White Screen B/L normal, only white screen display Maybe caused by surge current and EDS Black Screen B/L normal, only Black screen display FIIcker Crosstalk LCD Vcom imbalance Abnormal Color Only color abormal Capacitance improper bring crosstalk inside LCD pannel Abnormal Color Only color abnormal 1.Chip lose action 2.IC short or jointion bad 3.Pannel and vsc connect bad

• Service Manual Model No.: - 61 - Failure Mode Part Name Description Phenomena Failure cause Mechanlcal or B/ L Light leakage Brightness at bottom of LCM brighter than normal B/L unit badness Uniformity B/L brightness asymmetric Sheet in B/L unit is uneven Mount hole Lack screw or screw damage *Lack screw Screw damage

• AWA MHDV2262-04, 5 5 4 4 3 3 2 2 1 1 D D C C B B A A MA_DQ6 MA_DQ3 MA_DQ1 MA_DQ4 MA_DQ15 MA_DQ8 MA_DQ10 MA_DQ13 MA_A8 MA_A11 MA_WEZ MA_ODT MA_RASZ MA_BA2 MA_DQ5 MA_DQ2 MA_DQ7 MA_DQ0 MA_CASZ MA_A1 MA_A10 MA_A5 MA_MCLKZ MA_MCLK MA_CKE MA_DQM0 MA_DQM1 MA_DQS0 MA_DQSB0 MA_DQS1 MA_DQSB1 MA_A9 MA_A12 MA_A7 MA_DQ11 MA_A3 MA_A0 MA_DQ12 MA_A2 MA_A4 MA_A6 MA_DQ9 MA_DQ14 A_MVERF MIUA_RASZ MIUA_CASZ MA_DQS1 MA_DQSB1 A_MVERF MA_MCLKZ MIUA_A5 MIUA_BA2 MIUA_A7 MIUA_A3 MIUA_A1 MIUA_A12 MIUA_A9 MIUA_A10 MIUA_DQS0 MIUA_DQS0B MA_DQS0 MA_DQSB0 MIUA_DQS1 MIUA_

• AWA MHDV2262-04, - 43 - 8.1 How to enter into the factory model 1. You can press "source-2-5-8-0" to go into factory setting. Presse the key "exit" to shut the factory setting. content: 1: ADC setup: set ADC value of YUV,VGA. It can also be auto-set. Adopt 100% color bar to yuv and Checkerboard signal to vga. 2:Adjust the brightness and contrast ratio of each signal, which do not affect the value of user's menu. 3: adjust the color temperature and white balance of each signal source. 4: SSC to adjust the spectrum for passing the EMC test. 5:special set 1)2hour off-- for Aging test 2)

• AWA MHDV2262-04, Change Panel Still having problems No picture but ha ve sound Check if there is 5V at Pin35 in J20 No Replace the Q1 Yes Check if there is +26V at C931 Yes No Check if U3: Pin11(3.3V) 、Pin20(5V)、 Pin12(5V) U5: Pin2(0.72V)、 Pin3(5V) 、 Pin4(12V) is normal Change LVDS wire No Replace U3 or U5 Check if Q103 、 D9、R700 is working Yes Replace Q103、D9、 R700 No Service Manual Model No.: 9-2. M a in bo a rd f a ilure c hec k - 47 -

• AWA MHDV2262-04, - 06 - Service Manual Model No.: 1-3-8. Photo used in this manual The illustration and photos used in this Manual may not base on the final design of products, which may differ from your products in some way. 1-4. How to Read this Service Manual Using Icons: ,FRQVDUHXVHGWRDWWUDFWWKHDWWHQWLRQRIWKHUHDGHUWRVSHFL¿ FLQIRUPDWLRQ7KHPHDQLQJRI each icon is described in the table below: Note: A “note” provides information that is not indispensable, but may nevertheless be valuable to the reader, such as tips and tricks. Caution: A “caution” is used when there is danger that the read

• AWA MHDV2262-04, 5. Installation Instructions 5-1 External Equipment Connections Accessories Remote Control User GUIDE Battery Antenna Connection Connect one end of a coaxial cable (not included) to the ANT IN jack on the back of your TV/DVD combo, then connect the other end of the cable into the antenna or cable TV wall outlet. To improve picture quality from an antenna in a poor signal area, install a signal DPSOL¿HU If you need to split the antenna signal to connect two TVs, install a two-way splitter. Service Manual Model No.: - 15 -

• 4. Disassemble and assemble Remove the adhesive tape indicated on the ¿JXUHDERYH /D\GRZQWKHXQLWVRWKDWUHDUFRYHU faces upward 5HPRYHWKHWKUHHVFUHZIURPWKH UHDUFRYHULQGLFDWHGZLWKż 7KHQUHPRYHWKHSHGHVWDO 4-2Remove the Back Cover 5HPRYHWKHWKHVHVFUHZLQGLFDWHGRQ ¿JXUH

• AWA MHDV2262-04, Press source key, and selsct USB in soure list, press OK button to enter the USB menu. 10.USB Player Please make sure that the USB device have plugged in the slot.There are four type media item can be selected, such as photo, music, Movie, and text. Select the type media item by pressing , press OK button to enter the disk selection menu. P H O T O M U S I C M O V I E T E X T USB 2.0 R e t u r n C 1/1 Press the to select the right disk and press OK to display media files and folder list or

• AWA MHDV2262-04, 5 5 4 4 3 3 2 2 1 1 D D C C B B A A RX3B0P RX3B0N RX3B1P RX3B1N RX3B2P RX3B2N RX3BCLKP RX3BCLKN DDC3BSDA DDC3BSCL HOTPLUG3 RX2B0P RX2B0N RX2B1P RX2B1N RX2B2P RX2B2N RX2BCLKP RX2BCLKN DDC2BSDA DDC2BSCL HOTPLUG2 HDMI_E_CEC RGB0_RIN+ RGB0_RIN- RGB0_GIN+ RGB0_GIN- RGB0_BIN+ RGB0_BIN- RGB0-SOG SC1_FS SC1_FB AV1-Rin AV1-Lin VGA_AR VGA_AL SCART_AV SIDE_AV CVBS_OUT IRIN YINO+ PBINO+ PRINO+ SOY RAIN+ GAIN+ BAIN+ SOG VSYNC HSYNC HD1R HD1L REAR_AV DVD_AV ASEL0 ISP-RXD ISP-TXD DVD-ON/OFF MIUA_DQS0 MIUA_DQS0B MIUA_DQS1 MIUA_DQS1B MIUA_DQM1 MIUA_DQM0 MIUA_DQ[0:15] MIUA_A[0:12] MIUA_MCLK MIUA_MCLKZ MIUA_ODT MIUA_WEZ MIUA_MCKE MIUA_BA1 MIUA_BA0 MIUA_BA2 MIUA_RASZ MIUA_CASZ OTG_DM OTG_DP ON_USB1 TS

• AWA MHDV2262-04, NOTE: 1).There are four picture modes can be selected standard,mild,user,Eco (energy-saving mode). 2).Tint is available in NTSC system only. 3).There are four colors temperature modes can be selected medium, warm, cool,user 4).Screen is available in PC mode only which, can adjust Horizontal position, vertical position, size and phase. 3.SOUND MENU The third item of the MENU is the SOUND MENU. You can adjust the sound effect here such as treble, bass, balance etc. Press to move, press OK to adjust. Note: Auto volume: only available when the input signal volume is too large or distortion. Favourite Press to choose the program , press FAV button , it will show

• 5 5 4 4 3 3 2 2 1 1 D D C C B B A A PBINO PBIN PBIN PBIN PBIN YIN YIN YIN YIN YIN YIN YIN YIN YIN YIN YIN YIN YIN YIN YIN YIN YIN YIN YINO PRINO DVD_AVIN IRIN VSYNC DVD_AL DVD-ON/OFF DVD_AVIN PRIN BAIN+ GAIN+ RAIN+ DVD_AV GRED GRED GRED GRED GRED GRED GGRN GGRN GGRN GGRN GGRN GGRN GBLUGBLUGBLUGBLUGBLUGBLU ISP-RXD GSCL GSDA ISP-TXD GSDA GSDA GSDA GSDA GSDA GSDA GSDA GSDA GSDA GSDA GSD

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