Kalley K-LED32HDZT2 Page 27 Service Manual Download | Manualshive

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5.4 Troubleshooting for Audio

No sound

Check connecter

Check speaker wire

Replace main board

Reconnect

Replace speaker wire

YES

YES

NO

NO

Check speaker set

Replace speaker set

YES

NO

OK

YES

NO

Power Supply Board

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Summary of Contents for K-LED32HDZT2

Page 1: ...LCDTelevision KALLEY Service Manual Product Ver 1 0 May 2015 K LED32HDZT2...

Page 2: ...l Includes products 11 2 3 TV Front and Rear 11 3 Factory Service OSD Menu and Adjustment 18 3 1 How to enter the Factory OSD Menu 18 3 2 Factory OSD Menu 18 4 Software updating 21 4 1 USB upgrade 21...

Page 3: ...perations require the use of tools specially designed for the purpose The special tools should be used when and as recommended It is important to note that this manual contains various CAUTIONS and NO...

Page 4: ...re identified with a by the Ref No in the parts list Use of substitute replacement parts which do not have the same specified safety characteristics may create shock fire or other hazards Under no cir...

Page 5: ...le 1 1 3 To prevent electrical shock do not use this polarized ac plug with an extension cord receptacle or the outlet unless the blades can be fully inserted to prevent blade exposure To prevent elec...

Page 6: ...t does no satisfy the specified environmental conditions This may damage the product and may cause a fire 4 If a foreign substance such as water metal or liquid gets inside the panel module immediatel...

Page 7: ...the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over 1 2 Notes Notes on Safe Handling of the LCD panel and during service The work pr...

Page 8: ...e surface of the panel comes into contact with the cushioning materials be sure to confirm that there is no foreign matter on top of the cushioning materials before the surface of the panel comes into...

Page 9: ...al position and states using the wire clamps Perform a safety check when servicing is completed Verify that the peripherals of the serviced points have not undergone any deterioration during servicing...

Page 10: ...10 2 Product Specifications 2 1 Main board layout 2 1 1 K LED32HDZT2 use CVTE board TP S512 PB751 ROH...

Page 11: ...11 TV Front...

Page 12: ...12 TV Back...

Page 13: ...15...

Page 14: ...17 2 4 Remote control...

Page 15: ...Balance item 3 Press number key 1 9 6 9 in sequence when Balance item is focused Note If necessary re do number keys 4 Factory OSD appears Note DC power off that can exit factory OSD menu 3 2 Factory...

Page 16: ...mode with factory RC or user RC U Can enter factory mode only with user s RC Note MODE M is only used for factory production Init Colour Temp R Gain G Gain B Gain R Offset G Offset B Offset TO Fac M U...

Page 17: ...20 3 2 2 Design Menu Note The above Factory Service OSD Menus are reference only please refer to the actual unit to determine the appearances White balance Picture Curve Volumn Curve Sound Mode...

Page 18: ...lly 4 You can estimate the upgrading state according to the indicator light color changing During upgrading red indicator and green indicator alternate flicker slowly once second If Upgrading successf...

Page 19: ...estart Note During upgrading DO NOT power off the TV and other abnormally operations otherwise boot can be destroied since boot is destroied USB upgrading method is availability no longer Must adopt S...

Page 20: ...ect the SIS debug board to TV use VGA port the other USB port to the PC 3 SIS Tool upgrade with Uart2spi updating Tool Connect the SIS debug board AC power off the TV unlock compress uart2spi_V118 rar...

Page 21: ...24 Comport setting item need choose corresponding com port How to look up corresponding com port Now show as following...

Page 22: ...25 Click Connect button AC power on the TV interface as following click Restore item load the bin file then click restore button...

Page 23: ...26 Updating about 13 minutes As following after Restore successful appears as following it indicates the main software upgrading is successful then AC power off and power on the TV...

Page 24: ...ote Control Remote control does not work Try new batteries Replace RC Check IR receiver Change Led IR board Change Led IR cable Replace main board Replace battery Replace remote control Replace Led IR...

Page 25: ...g for Function Key Buttons does not work Check switches Check key board Check Key BD cable Change Key BD Replace main board Check solder connections and see if any switches are stuck Replace Key BD OK...

Page 26: ...er Cord Only one works Replace Main BD Try Power on by RC and Button Neither works Both Work Power on OK YES NO Replace Power BD YES NO RED BLUE Panel Bright NO Replace Main BD NO YES Check signal Sou...

Page 27: ...Troubleshooting for Audio No sound Check connecter Check speaker wire Replace main board Reconnect Replace speaker wire YES YES NO NO Check speaker set Replace speaker set YES NO OK YES NO Power Suppl...

Page 28: ...Troubleshooting for TV VGA HDMI input No picture on the screen Check Signal Source Check connect Check cable Replace main board Make sure signal source is available Reconnect Replace cable NO YES YES...

Page 29: ...PbPr input Note The K220 mould TV has not YPbPr input No picture on the screen Check Source work or not Check connect Check Wires Green Blue Red Replace main board Check Source Device Reconnect Replac...

Page 30: ...t No picture on the screen Check Source work or not Check connect Check Cable Wires Replace main board Check Signal Source Reconnect Replace Cable Wires NO YES YES NO YES NO 6 Circuit instruction Powe...

Page 31: ...34...

Page 32: ...35 7 Schematic circuit diagram 8 Explode View...

Page 33: ...105 RB110 1 1 3 3 2 2 ZDB1 DB802 RB809 SGND 11 RB818 RB819 RB820 RB821 10 RB124 RB114 CB113 RB111 CB808 LED LED_FB RB805 CB812 CB803 CB807 CB116 A K DB106 QB101 GL1 GL2 CB103 RB131 RB118 RB101 RB102 R...

Page 34: ...4R7 M CD8 1uF 0402 X5R 20 16V CD1 0 1uF 0402 X5R 20 16V CD3 NC 22pF 0402 NPO 5 50V RD3 47Kohm 0402 1 1 16W RD7 6K2ohm 0402 1 1 16W RD1 0ohm 0402 5 1 16W 4 5V 18V INPUT VFB 0 6V 500KHZ EN 4 GND 2 LX 6...

Page 35: ...VGA USB0_DP USB0_DM 5V_M GND USB0_5V USB1_DP USB1_DM USB0_DP USB0_DM USB1_DP USB1_DM GND GND 1 2 3 4 GND 1 DM 1 DP 1 5V 1 5 6 GND GND 1 2 GND GND 7 8 GND 2 DM 2 DP 2 5V 2 9 10 11 12 CN7 NC USB A F 90...

Page 36: ...FF GND GND SPDIFO COAX SPDIF_OUT DI1 NC AVLC18S02003 RI1 180ohm 0402 5 1 16W RI2 NC 100ohm 0402 5 1 16W GND GND COAX 5V_M SPDIF_OUT RI5 0ohm 0402 5 1 16W 1 2 COAX GND AV1 NC AV19 01S 0020 CI2 NC 330pF...

Page 37: ...5 CD1 36 MDO3 37 MDO4 38 MDO5 39 MDO6 40 MDO7 41 CE2 42 VS1 43 IORD 44 IOWR 45 MISTRT 46 MDI0 47 MDI1 48 MDI2 49 MDI3 50 VCC 51 VPP2 52 MDI4 53 MDI5 54 MDI6 55 MDI7 56 MCLKO 57 RESET 58 WAIT 59 INPACK...

Page 38: ...7 OSCI 38 OSCO 39 PWRSW 40 CD_SENSE 157 AUXOK 54 UARTA_TX VGA_SDA 73 UARTA_RX VGA_SCL 74 VGA_HS 75 VGA_VS 76 HDMI_ARC 159 HDMI_CEC 158 IVDD1P0 34 HDMIA_RXCN 120 HDMIA_RXCP 121 HDMIA_HPD CBUSA 149 HDMI...

Page 39: ...0 1uF 0402 X5R 20 16V C74 0 1uF 0402 X5R 20 16V C73 0 1uF 0402 X5R 20 16V C72 0 1uF 0402 X5R 20 16V C71 0 1uF 0402 X5R 20 16V C79 0 1uF 0402 X5R 20 16V C81 0 1uF 0402 X5R 20 16V C76 0 1uF 0402 X5R 20...

Page 40: ...LA4 SCD54TL 220M LA3 SCD54TL 220M LA2 SCD54TL 220M LA1 SCD54TL 220M LBA1 NC UPZ2012E601 2R0TF 600ohm 2000mA LBA2 NC UPZ2012E601 2R0TF 600ohm 2000mA LBA3 NC UPZ2012E601 2R0TF 600ohm 2000mA LBA4 NC UPZ2...

Page 41: ...02 5 1 16W RD42 NC 10Kohm 0402 5 1 16W CD45 NC 0 1uF 0402 X5R 20 16V QD1 NC WPM2341A 3 TR RD41 NC 100Kohm 0402 5 1 16W GND RD43 NC 10Kohm 0402 5 1 16W GND GND 5V_ANT_ON OFF DET 2 LT 3 VBAT 4 VBG 5 VDD...

Page 42: ......

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