Changhong Electric UD55GHE6000Ai Maintenance Manual Download Page 11 | Manualshive

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3.2.8 Tuner R842 Brief introduction

Chapter4 The chassis frame diagram, mainboard power supply systems,

mainboard interface definition

This chapter mainly introduce the chassis frame diagram, power supply system, interface definition

4.1 Power supply system

Power board has two kinds of output voltage: +12V

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Summary of Contents for UD55GHE6000Ai

Page 1: ...1 LED COLOUR TV MAINTENANCE MANUAL CHASIS HLS71EJ iU MODEL UD55GHE6000Ai...

Page 2: ...f introduction 9 3 2 4 TPS563201 Brief introduction 9 3 2 4 TPA3136D Brief introduction 10 3 2 8 Tuner R842 Brief introduction 11 Chapter4 The chassis frame diagram mainboard power supply systems main...

Page 3: ...the low temperature 4 Please note that the long displaying image may remain at the top when shutdown the machine 5 Please avoid the impact from the mobile phone to protect your TV 1 3 Storage notes 1...

Page 4: ...ns 2 1 Basic standard Item Standard TV function sound system B G D K I M color system PAL SECAM NTSC Audio and video signal input AV AV x 1 Audio L R x 1 aberration signal YPbPr x 1 Optional support t...

Page 5: ...to 1080p 2 YPbPr and AVIN use the same port to input audio of R L 3 USB1 and USB2 support to USB2 0 HDMI3 input Internet input Audio output Power input VBO output HDMI2 input RF tuner AVOUT input AV...

Page 6: ...T3 SPX1117M3 3 3 CW 1117CB 3 3V 5VS to 3 3VS LDO 6 UE5 LR1117 A 3 3 AZ1117H 3 3T R LD1117S33TR AMS1117 3 3 LM1117MPX 3 3 NCP1117 ST33T3 SPX1117M3 3 3 CW 1117CB 3 3V 5VA to 3 3VA LDO 7 UE6 ME4953 AO480...

Page 7: ...3 3V LDO for tuner 19 UW1 PH1102G NETWORK SOCKET 20 UZ1 RT5047GSP LNB 25 UL1 ME4953 AO4803 SSF4953 power switch for panel UE8 MP2225GJ UR3 DDR UM2 EMMC UR4 DDR UE6 AO4803 UL1 AO4803 UM1 MSD6586PYE 8...

Page 8: ...E5 O 5V Regulator Output cann t provide external current sinke 4 SDA I I2C 5 SCL I I2C 6 SW O Switch Node of Buck Convert 7 BSR O Supply of High Side MOSFET Driver Circuit 8 PVDD I Power Supply 9 EPAD...

Page 9: ...9 3 2 4 TPS562201 Brief introduction 3 2 4 TPS563201 Brief introduction...

Page 10: ...10 3 2 4 TPA3136D Brief introduction...

Page 11: ...chassis frame diagram mainboard power supply systems mainboard interface definition This chapter mainly introduce the chassis frame diagram power supply system interface definition 4 1 Power supply sy...

Page 12: ...12 4 1 1 The composition and distribution of the TV power supply...

Page 13: ...UE5 UE6 output voltage 1 1V 3 3VS 5VS 1 05VA 1 5VA 3 3VA 12VA 5VA item No UT1 UL1 LZ8 DZ3 QE3 QE4 QL2 output voltage 3 3VA 12VA 12VA 13 18V 12VA 5VA 12VA item No output voltage LNB 13 18V 12VS 1 5V 12...

Page 14: ...e file to upgrade directly recommended 5 2 upgrade method 1 Use the USB Tools to upgrade not recommended 1 Run ISP_Tool exe Ver V4 8 0 or later to upgrade the mboot software 5VEXT EE_WP SCL SDA GND ON...

Page 15: ...15 2 Open the ISP_Tool click Auto and set as fallows 3 click Read and refer to fallows to ensure your code is right...

Page 16: ...16 3 finally choose connect and click RUN you will see the progress bar if your mboot burn finish you can see PASS...

Page 17: ...successfully and ISP_TOOL set is right 2 when you decode successfully you can t power down if not you must do again 3 if you burn mboot fail you can try again or change a computer 6 Setup SecureCRT ex...

Page 18: ...8 6 2 Set the parameter as follow Notice Please according to your computer to set the port 6 3 Click Connect It will display the picture as follow 6 4 Click Finish It will display the window as follow...

Page 19: ...t the U disk to USB 2 0 port 8 Input cu behind Mstar in the SecureCRT window 9 wait until update success then power on using RC 5 3 Software upgrade method2 Use a U diskincluding the upgrade programme...

Page 20: ...utomatically shutdown and then boot upgrade the upgrade process can not power off when upgrade end TV will automatically reboot 5 3 2 If you need to update the MAC address MAC bin HDCP KEY HDCP1 bin H...

Page 21: ...upgrade HDCP 1 0 KEY select Then press the OK button to automatically update 6 If need to upgrade HDCP 2 2 KEY select Then press the OK button to automatically update 7 If need to upgrade CI PLUS KEY...

Page 22: ...22...

Page 23: ...ode Adjust the value of contrast brightness color and volume The signal cable is not correctly connected Connect the signal cable correctly Blue screen AV or SVIDEO is displayed There is no signal inp...

Page 24: ...HDCP KEY1 0 Check KEY write or not HDCP KEY2 0 Check KEY write or not Widevine Check KEY write or not 2 Factory selec product model Product type selection Panel sel Panel selection PQ version AQ Vers...

Page 25: ..._CR_THR 112 1280 Step width 1 Delay 0 255 Step width 1 VIF_VERSION 0 255 Step width 1 Non standard VD AFEC_D4 0 255 Step width 1 AFEC_D5 2 0 1 AFEC_D8 3 0 0 15 Step width 1 AFEC_D9 0 0 1 AFEC_D7_HIGH_...

Page 26: ...ep width 1 Lvds SSC step 0 300 Step width 1 Mem SSC enable 0 1 Mem SSC span 20 40 Step width 1 Mem SSC step 0 20 Step width 1 8 Default factory setting 9 Backlight backlight 0 50 100 10 Energy detect...

Page 27: ...t Application man machine interface Program map table no used Host service shunning Canal ready authentication Default TX RX V PID 43779 A PID 0 PCR PID 24392 DVBS fast scan on off DVBS SI parser type...

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