Kalley K-LED20HDT2 Service Manual
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Kalley K-LED20HDT2 Service Manual

Kalley K-LED20HDT2 Service Manual

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SERVICE MANUAL
1. Caution....................................................................................
2. specification..............................................................................
3. Alignment Procedure..................................................................
4．Block diagram...........................................................................
5．Scheme Diagram .....................................................................
6. Troubleshooting........................................................................
([SORGH GUDZLQJ
This m anual i s t he l atest at t he t ime of pr intiandg, doe s not
include the modification which may be made after the printing, by
the constant improvement of product
KALLEY
K-LED20HDT2

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  • Page 1 KALLEY SERVICE MANUAL K-LED20HDT2 1. Caution………………………………………………………………………… 2. specification…………………………………………………………………… 3. Alignment Procedure………………………………………………………… 4．Block diagram………………………………………………………………… 5．Scheme Diagram …………………………………………………………… 6. Troubleshooting……………………………………………………………… ([SORGH GUDZLQJ This m anual i s t he l atest at t he t ime of pr intiandg, doe s not...
  • Page 2 1. CAUTION CA UTION: Use of controls, adjustments or procedures other than those specified herein may result in hazardous radiation exposure. CA UT ION : T O RE DU CE TH E RIS K OF CA U T ION EL ECTR ICA L SHOCK, DO NOT RE MOVE COVE R (OR BACK).

  • Page 3: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS CAUTION: Read all of these instructions. Sa ve these instructions for later use . Follo w all W arnings and Instructions marked on the audio equipment. 1. Read Instructions-All the safety and operating instructionsshouldbe read before the productis operated. 2.
  • Page 4 PROTECTION AND LOCATION OF YOUR SET 11. Do not use this television set near water ... for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, etc. Never expose the set to rain or water. If the set has been exposed to rain or water, unplug the set from the wall outlet and refer servicing to qualified service personnel.
  • Page 5 OPERATION OF YOUR SET 18. This television set should be operated only from the type of power source indicated on the marking label.If you are not sure of the type of power supply at your home, consult your television dealer or local power company.
  • Page 6 PRODUCT SPECIFICATION RELEASE Model: L20D2710/MS306GPA/AU1GTA Version：1.0 Issued On: 2015-05-12 Media Format Basic Information Music Product Type LCD TV Picture JPEG、BMP、PNG Chassis MS306GPA H.264、MPEG4、MPEG2 OSD Language English/Portuguese/Spanish Note:For coding files,there are many kinds NTSC-M,PAL M/N Video non-standard coding method,so this system TV System can not be guaranteed to support the file formats using any coding method.
  • Page 7 Mechanical ID Picture Unit: mm 465.8 56.5 274.7 117.8 Mechanical Key Specification Remote ID Picture Carton Dimensions LxWxH（mm） 539*110*350 Container Loading---20 feet（pcs） 1460 Container Loading---40 feet（pcs） 3036 Container Loading--40 feet High（pcs） 3498 Net Weight With Stand（Kg） 2.43 Net Weight Without Stand（Kg） Gross Weight With Packaging（Kg）...

  • Page 8: Alignment Procedure

    Alignment Procedure MS306 Series MODEL：MS306/MS306B/MS306C/MS306D/MS306G MS306P/MS306BP/MS306CP/MS306DP VERSION：V3.0 PREPARED BY : DATE : 2014-1-24 APPROVED BY : DATE :...

  • Page 9: Factory Menu

    History Description of major changes Release Changed by Date V1.0 2013-04-28 V2.0 Add usb update table on Page 10 2013-12-28 Zhangjin Add USB port number set on Page 7 V3.0 2014-1-24 Gongjunzan 1.Overview MS306 series chassis is designed for Asia Pacific/South America market.
  • Page 10 OFF：The set would enter standby mode after minutes without input signal； 2-WARM UP ON ： Aging mode. Aging time will display on the left bottom of screen. 3-ADC ADC calibration（refer as follow） 4-WHITE BALANCE White Balance data adjustment（refer OK as follow） The balance data is set by PE before the mass production.
  • Page 11 Source RGB/YPbP Sources need calibration. RGB means PC and OK YPbPr(HD) means YPbPr (HD) R-GAIN 4478 R-GAIN G-GAIN 4478 R-GAIN B-GAIN 4478 R-GAIN R-OFFSET 2048 B-OFFSET G-OFFSET 2048 B-OFFSET B-OFFSET 2048 B-OFFSET AUTO ADC WAIT/OK With appropriate pattern (mentioned below) OK inputted, press left or right key to start auto calibration.
  • Page 12 ITEMS Default Description Status Setting 1-DESIGN ON/OFF HOTKEY 2-FACTORY ON/OFF MENU 3-SHOP INIT Default setting submenu after production OK alignment refer to ** 4-OTHER Other set .Only for TCL R&D 5-SERVICE After service menu description MENU 6-PARAM Parameter setting submenu SETTING 7-HOTEL adjust）...

  • Page 13: Service Menu

    adjust） （not VIF2 VIF adjust adjust） （not VIF3 VIF adjust adjust） （not QMAP ADJUST >>> PQ debug SSC adjust >>> adjust） DBC ENABLE DBC adjust（not adjust） （not adjust） （not adjust） （not DBC MODE adjust） 11 （not MIU DQS0 adjust） MIU DQS1 10（not PARAM SET SETTING ITEMS...
  • Page 14 ITEM Defau Description Status Setti SW NO Software Version DATE Date and time of software releasing Project Name Module name SIACP VERSION SIACP VERSION Chassis MS306 Chassis name PANEL NAME P/N of panel PROJECT ID >>> Select panel ID Number CONFIG >>>...
  • Page 15 4) Return to Factory Menu, check the Product model. 5) Choose Factory Menu->NVM RESET and press the right button of the remote and wait until prompt OK appears. 6) Restart the set 7) According to the requirement of the order, Set the items of SHOP INIT and Hotel Menu etc.
  • Page 16 2). select RGB source and see the 5 MOSAIC appear on the screen 3). Select AUTO ADC , Press the right button on the your remote to calibrate the ADC automatically. 4). Select YPBPR source and Repeat step 5.3 . When the OK appears the calibration has been finished successfully.

  • Page 17: Chip List Of Software Programming Before Smt

    6).Repeat step 2—5 until both of the value of color coordination of white and grey equal to (X=0.280 +/-0.015;Y=0.290 +/-0.015). For COOL and WARM color temperature, just repeat step 2—5.The color coordination we recommend for COOL and WARM color temperature is respectively(X=0.270 +/-0.015;Y=0.270 +/-0.015) and (X=0.300 +/-0.015;Y=0.305 +/-0.015).

  • Page 18: Upgrading Method

    Upgrading method 1 2） 1，using the remote, enter the “Picture” submenu of the OSD; choosing the “contrast” item and press 9,7,3 and 5 in series, Factory Menu will appear in the left top of screen. 2,Select the “USB UPDATE” item , press left or right key to enter the update box;...
  • Page 19 you will see a progress box on the screen. 4,After updating , the set will reset automatically. 3）Upgrading method 2 “MEUN”button Remote Control, then select 1，Press the“Software Update(U..>” item in “Option”sub-menu, press left or right key to enter the update box. 2，Press left button Select “YES”...
  • Page 20 3，After updating , the set will reset automatically. 8, Project ID selecting 1) Press the Menu button of remote control, then select Contrast item of Picture submenu; press 1,9,5,0 consecutively, there you go the Design Menu. 2) Select the SERVICE MENU item, press OK and RIGHT button of the remote to enter submenu, 3) Select the PROJECT ID item, press OK or RIGHT button of the remote to enter the submenu;...

  • Page 21: Chassis Block Diagram

    Chassis Block Diagram...

  • Page 22: Power Supply Block Diagram

    Power Supply Block Diagram...
  • Page 24 12V TO 5V 3.3V STANDBY 3.3V FOR DEMOD 5.24V 320mA Max 100mA Max +12V 5VSTB MP1471 6.8UH 5VSTB 5VAIN +3V3STB VCC3V3 0.1uF 2.2uF 0.1uF 10uF 100K 40.2K+/-1% C160 24.9K+/-1% AMS1117-3.3V 0.1uF 100uF/16V AMS1117-3.3V 0.1uF 10uF 10uF 10uF 0.1uF 470uF/16V 300K 7.5K+/-1% 1.8V FOR DDR 3.3V FOR TUNER...
  • Page 25 Normal Power 3.3V DDR POWER +3V3STB AVDD_DDR_1V8 AVDD_ADC AVDD33_DEMOD 2.2uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 2.2uF 10nF 0.1uF +3V3STB Bead +3V3STB Bead 0.1uF 0.1uF Normal Power 1.2V +1V2_VDDC AU33 VDD33_DMPLL +1V2_VDDC 0.1uF 0.1uF 0.1uF 2.2uF +3V3STB Bead +3V3STB Bead 0.1uF 0.1uF HDMI1_CLKN HDMI1_CLKN...
  • Page 26 惠州三华工业有限公司深圳研发部 Size Document Number Custom SHSF3201A28-101S MSD1306 Date: Thursday, April 30, 2015 Sheet...
  • Page 27 YPBPR & AV INPUT AUDIO & VIDEO OUTPUT CON1 MINI AVOUT CON2 AV-CVBS1P AV-ROUT HD_Y AV-LOUT RGB2-HDTV_GIN RGB2-HDTV_SOGIN AV-VOUT AV-LOUT Pb/R HD_Pb RGB2-HDTV_BIN Pr/L HD_Pr RGB2-HDTV_RIN C88 C89 C86 220R Bead AV3-6pin YPBPR 5VAIN 22PF22PF22PF PJ-86-GP 10uF 0.1uF 3906 3904 CVBS_OUT0 CVBS_OUT0 10uF_0805...
  • Page 28 VGA VIDEO CON4 R104 RGB0_PB+ R105 RGB0_Y+ R106 RGB0_Y-SOG R107 RGB0_PR+ R108 R109 R110 R111 UART-RX R112 UART-TX R113 VGA_HS R114 VGA_VS R115 100R R117 R118 UART-TX R116 100R UART-RX 5VAIN FB_1206 R119 5.1R USB1_D- R120 5.1R USB1_D+ C101 C102 C103 22PF 22PF CON5 0.1uF...
  • Page 29 HDMI 1 INPUT HOTPLUG DATA2+ DATA2 SHIELD 10ohmX4 HDMI1_RX2P DATA2- HDMI1_RX2N H1_5V H1_5V DATA1+ HDMI1_RX1P GND1 DATA1 SHIELD HDMI1_RX1N DAT1A- GND2 DATA0+ 10ohmX4 R121 HDMI1_RX0P GND3 DATA0 SHIELD R122 HDMI1_RX0N DATA0- 正常工作时为高 CLK+ HDMI1_CLKP CLK SHIELD HDMI1_CLKN GND4 HPD_SINK1 CLK- R124 R125 4.7K...
  • Page 30 VCC3V3 TUNER AGC,Close TUNER R159 NC/0R R160 NC/0R VCC3V3 R148 R149 4.7K 4.7K TU_AGC 3906 TAGC TU_AGC 3906 IF_AGC_DM TAGC TUNER_VCC TU1_SDA R153 TUNER_SDA C126 C127 33pF 33pF TU1_SCL R154 TUNER_SCL TUNER_VCC R162 R163 100K C131 C132 R152 NC/0RSYS_SCL SYS_SCL 24MHz22PF NC/100pF NC/100pF...
  • Page 31 AMPLIFER AMP_PWR 0R/600ohm/100M/3A +12V Mute C139 C140 C141 C142 100nf 100nf 470uF/16V 5VAIN +12V TPA3113D2 R174 R175 L:MUTE AMP-EN PVCC1 AMP_PWR R171 FAULT PVCC2 NC/22K C144 R172 MUTE_C 330PF/NC NC/0R R176 200R C143 C145 220nF AMP-Lout+ AMP-AUOUTL0 LINP BSN2 NC/22uH NC/1N4148 R177 NC/2.2K NC/2N3906...
  • Page 32 AC220 to DC12V&DC36V SB5100,5A,100V LED-VCC LED-VCC CP10 470pF/1KVC5.0CT 100K/1206 100K/1206 100K/1206 CE10 CE13 CE14 68uF/450V 470uF/25V 470uF/25V NC/4.7K/1206 CL11,3300pF,630V RP11 RP12 RP13 RL257 RL257 100K/1206 100K/1206 100K/1206 JUMP FR207 D19 FR207 +12V HBR10100 +12V SB RL257 RL257 L5RH3.5×6×0.8 RP14 150K/1206 RP15 150K/1206 470pF/1KVC5.0CT...

  • Page 33: Troubleshooting

    Trouble shooting 1、 Can not switch on： no switch on Check 3.3V/12V/24V of power supply Check PW Only 3.3V Check signal P—ON， Check DC-DC DIMBL—ON of main IC link part,check to PW Check the peripheral circuit of mail IC,check solder of Check reset Check IIC bus main IC,check data fo NVM...
  • Page 34 2、abnormal picture ： Abnormal picture Individual signal source All signal source bad Check the path with Check panel ID？ this signal source Check LVDS signal to main Check the peripheral circuit IC？check LVDS cable? of mail IC,updating SW,reset NVM,replace main IC Check crystal frequence？...
  • Page 35 3、 Abnormal sound： Abnormal sound Individual sound Check all sound signal source source Check the sound signal Check sound IC link to main IC Check the power of Check the peripheral Check wave filter and sound IC circuit of main IC,SW speaker？...

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