Hisense LCD32V86 service manual Troubleshooting for Audio

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LCD TV Service Manual

7.4 Troubleshooting for Audio

No sound

Check connecter

NO

Check speaker wire

NO

Check speaker set

NO

Replace main board

YES

YES

YES

YES

Reconnect

Replace speaker wire

Replace speaker set

OK

NO

Replace PSU

Hisense Confidential

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Contents Product Type：LCD32V86、LCD32V86P Contents Precautions and notices Hisense Confidential Hisense Confidential Hisense Confidential Hisense Confidential Hisense Confidential Hisense Confidential Product Function Specifications Specifications LCD Panel Spec Panel T315HW02V0 \ROH LCD32V86： 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 Schematic circuit diagram Troubleshooting for Video/S-Video inputNear IC MT8222P1V1 DDR1 Version BL-ON/OFF BL-ADJUSTPWCTL1 +5VTUNERGPIO11 Gpio U1RX U1TX Redp INT Vgagnd ORESET# Vgasog Oiri Grnp BlupOiri INT ICE RDQ0AV12PLL AV12ARGBB AV12DRGB DdrvAV33DAC AV33VGA GNDRCAS# RRAS# RDQS0 RDQS1MEMDQ0 RDQ0 Rcke MEMDQ1 RDQ1U0RX OSCL0 FRESET# SpisckU0TX OSDA0 U1RXCeca HDMI-L-HXHDMIPLUGPWR0 RX0C RX0CBCVBS1 AV1INCVBS1 CVBS2 CVBS3Y0INGND Y0IN SCT1RPB0IN SCT1G PBR0INGNDSCT1AV SCT1AUROUTCVBS5 SCT1AURIN SCT1AULOUTCVBS0P +5VTUNER OSCL0 SCLV50 IftunerSDAV50 PWM1 TvainAudrout AudloutMUX1-L MUX1-L TvainGND BL-ADJUST E0P E1P E2P Eckp E3P E4P O2P Vbrout BL-ADJUST Ockp PWM0Lvdsvdd GND Vbrout RESC1005L-HX O0P O1P