Hisense LCD42P69P, LCD47P69P service manual Precautions and notices

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LCD TV Service Manual

Service Manual

1. Precautions and notices

BEFORE SERVICING THE LCD TV, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

WHEN REPLACEMENT PARTS ARE REQUIRED, BE SURE TO USE REPLACEMENT PARTS SPECIFIED BY THE MANUFACTURER.

Proper service and repair is important to the safe, reliable operation of all Hisense Electric Co., Ltd Equipment. The service procedures recommended by Hisense and described in this Service Guide are effective methods of performing service operations. Some of these service operations 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 NOTICES which should be carefully read in order to minimize the risk of personal injury to service personnel. The possibility exists that improper service methods may damage the equipment. It is also important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. Hisense could not possibly know, evaluate and advise the service trade of all conceivable ways in which service might be done or of the possible hazardous consequences of each way. Consequently, Hisense has not undertaken any such broad evaluation. Accordingly, a serviceman that uses a service procedure or tools,

Hisense Confidential

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Contents Product Type:LCD42P69P、LCD47P69P Contents Precautions and notices Hisense Confidential Hisense Confidential Hisense Confidential Hisense Confidential Hisense Confidential Hisense Confidential Product Function Specifications Back Cabinet Specifications LCD Panel Spec LCD47P69P Hisense Confidential LCD42P69P: White Balance Factory OSD MenuFactory Option Mode M is only used for factory production Hisense Confidential Get ready for upgrading Software UpgradingHisense Confidential Upgrading with the MtkTool Choose the current BaudRate Hisense Confidential Update with USB directly Hisense Confidential Troubleshooting Troubleshooting for Remote Control Troubleshooting for Function Key TV won’t Power On Troubleshooting for Audio Troubleshooting for TV/VGA/HDMI input Troubleshooting for YPbPr input Troubleshooting for Video/S-Video input Explode View Schematic circuit diagram Page Near IC MT8222P1V1 DDR1 Version +5VTUNER BL-ADJUSTBL-ON/OFF PWCTL1RDQ0 U1RX U1TX Redp INT Vgagnd ORESET# Vgasog Oiri Grnp BlupGPIO11 Gpio Oiri INT ICEAV33VGA GND AV12DRGB DdrvAV12PLL AV12ARGBB AV33DACRDQ0 Rcke MEMDQ1 RDQ1 RDQS0 RDQS1RCAS# RRAS# MEMDQ0U1RX FRESET# SpisckU0RX OSCL0 U0TX OSDA0RX0C RX0CB HDMI-L-HXCeca HDMIPLUGPWR0CVBS3 AV1INCVBS1 CVBS1 CVBS2PBR0INGND Y0IN SCT1RY0INGND PB0IN SCT1GSCT1AURIN SCT1AULOUT SCT1AUROUTSCT1AV CVBS5PWM1 Tvain OSCL0 SCLV50 IftunerCVBS0P +5VTUNER SDAV50MUX1-L Tvain AudloutAudrout MUX1-LGND Vbrout RESC1005L-HX O0P O1P O2P Vbrout BL-ADJUST Ockp PWM0GND BL-ADJUST E0P E1P E2P Eckp E3P E4P Lvdsvdd