Manuale d’uso / di manutenzione del prodotto LCD42P69P del fabbricante Hisense
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LCD Television Service Manual Chassis ： MTK8222 Product Type ： LCD42P69P 、 LCD47P69P Ver 1.0 Hisense Electric Co. ， Ltd. Mar ch ， 2009.
- 2 - LCD TV Service Manual Hisense Confidential Contents Contents ............................................................................................................................... ........................................ - 2 - Service Manual .
- 3 - LCD TV Service Manual Hisense Confidential Service Manual 1. Pr ecautions and notices BEFORE SERVICING THE LCD TV, RE AD THE SAFETY PRECAUTIONS IN THIS MANUAL. WHEN REPLACEMENT PARTS ARE REQUIRED, BE SURE TO USE REPLACEMENT PARTS SPECIFIE D BY THE MANUFACTURER.
- 4 - LCD TV Service Manual Hisense Confidential which are not recommended by Hisense, must first satisfy him self thoroughly that neither his safety nor the safe of the e quipment will be jeopardized by the service method selected. Hereafter throughout this manual, Hisense Electric Co.
- 5 - LCD TV Service Manual Hisense Confidential that you are connected with the same potential as the mass of the set by a wristband with resistance. Keep components and tool s also at this same potential. 1. Never replace modules or other co mponents while the unit is switched on.
- 6 - LCD TV Service Manual Hisense Confidential touch EMI ground part and H eat Sink of Film Filter. (2) Do not supply a voltage higher than that specified to this product.
- 7 - LCD TV Service Manual Hisense Confidential otherwise, this can lead to fire or electric shock. (10) If the power connector or the connector of the power cable becomes dirty or dusty, wipe it with a dry cloth.
- 8 - LCD TV Service Manual Hisense Confidential equipment and the high voltage power supply bl ock, it can result in electric shock or activation of the leakage-detection circuit breaker. • When installing the LCD module in, and re moving it from the packing carton, be sure to have at least two persons perform the work.
- 9 - LCD TV Service Manual Hisense Confidential that they are not damaged and their materials do not deteriorate over long periods of time. Therefore, route the cables and fix the cables to the original position and states using the wire clamps. • Perform a safety check when servicing is completed.
- 10 - LCD TV Service Manual Hisense Confidential 2. Pr oduct Function Specifications 2.1 Pr oduct Function Front Cabinet.
- 1 1 - LCD TV Service Manual Hisense Confidential Back Cabinet.
- 12 - LCD TV Service Manual Hisense Confidential 2.2 Specifications NOTE: Specifications and design are subject to possible modification s without notice Due to impr ovements 。.
- 13 - LCD TV Service Manual Hisense Confidential 3. LCD Panel Spec LCD42P69P Panel ： LC420WUN-SBD1 ROH SN ： 1056497 3.1General Description 3.2 General Features.
- 14 - LCD TV Service Manual Hisense Confidential LCD47P69P Panel ： LC470WUN-SBC1ROH SN ： 1056802 3.1General Description.
- 15 - LCD TV Service Manual Hisense Confidential 3.2 General Features.
- 16 - LCD TV Service Manual Hisense Confidential 4. Chassis Layout and O verall Wiring Diagrams Boards and Chassis Layout LCD42P69P ： No Description Part No. Type/Model PCB/ Model (1) Main board 1 1 8963 RSAG2.908.1497ROH RSA G7.820.1637VER.DRO H (2) Power board 1 169 47 RSAG2.
- 17 - LCD TV Service Manual Hisense Confidential 5. Factory/Servi ce OSD Menu and Adjustment 5.1 T o enter the Factory OSD Menu a. W ith factory RC (remote control) 1. Press “M” button and enter factory mode. 2. Press “Menu” button and enter factory OSD menu.
- 18 - LCD TV Service Manual Hisense Confidential e、Close the O SD menu aft er 5 second s. 5.2.2 Factory Option Item 0 Item 1 Note White Balance R DR V Red Driver adjust G DR V Green Driver adjust B DR V Blue Driver adjust R CUT Red Cut adjust G CUT Green Cut adjust B CUT Blue Cut adjust Note: Befor e adjusting, please change to desi r ed source.
- 19 - LCD TV Service Manual Hisense Confidential Scart Y es or No MODE “M” is only used for factory pr oduction. V ersion Info Ve r s i o n： Current Software version Date ： The date of current version Note: Software version info of the TV , readable only .
- 20 - LCD TV Service Manual Hisense Confidential Audio out power before adjusting V olume 25 When value is 25 Think about the Audio out power before adjusting V olume Mid When value is 50 Think about.
- 21 - LCD TV Service Manual Hisense Confidential 6 Softwar e Upgrading The first upgrading method: The software is upgraded by a burning toll-MtkT ool , which can burn the program file *.bin to the main board of the unit. 6.1 Get r eady for upgradi ng 6.
- 22 - LCD TV Service Manual Hisense Confidential For the first connecting, the pc will recogniz e and automatically install the USB device. The process is just like the installation of a m ini disk, see the following picture.
- 23 - LCD TV Service Manual Hisense Confidential 6.2 Upgrading with the MtkT ool MTKtool is a green program needing no insta llation. It is saved in the folder . There are five folders/file s in this folder altergether. The MtkTool using log is restored in the Mtk Log folder.
- 24 - LCD TV Service Manual Hisense Confidential 2—Refer to the next page instruc tion to select the communicate port. 3—Press the icon beside the baud rate and make sure it is green as the below p icture. 4—Set the flash baud rate to 1 15200 as the below picture.
- 25 - LCD TV Service Manual Hisense Confidential Open “Device Manager” and find which port is connected with the TV . In this operation, COM5 is connected to the TV ; so, select “COM5” in the MtkT ool m ain interface. Select the right baud rate according to chip model.
- 26 - LCD TV Service Manual Hisense Confidential Click “Browse” button, find the upgradi ng program file, and select it. Press “Upgrade” button and start upgrading. The following interface appears on th e screen, indicating upgrading successfully .
- 27 - LCD TV Service Manual Hisense Confidential 6.3 Update with USB dir ectly T he second update method is with USB dir ectly: MTK8222 Series can update with USB, the so ftwar e name should be HISENSE.bin. The Updating S teps is set the Source to "DMP interface", insert the USB(the update file HISENSE.
- 28 - LCD TV Service Manual Hisense Confidential After upgrading, you must confirm the software in the Factory Menu and you'd better "CLEAR UNPROTECTL Y".
- 29 - LCD TV Service Manual Hisense Confidential 7. T roubleshootin g 7.1 T r oubleshooting for Remote Control Remote control does not work T ry new batteries Replace RC Check IR receiver Change Led .
- 30 - LCD TV Service Manual Hisense Confidential 7.2 T r oubleshooting for Function Key Buttons does not work Check switches Check key board Check Key BD cable Change Key BD Replace main board Replac.
- 31 - LCD TV Service Manual Hisense Confidential 7.3 TV won’t Power On Make Sure Power source is live Replace Power Cord Check/replace IR BD or Keypad PCA TV won’ t power on Is LED light? NO YES .
- 32 - LCD TV Service Manual Hisense Confidential 7.4 T roubleshooti ng for Audio No sound Check connecter Check speaker wire Replace main board Reconnect Replace speaker wire YES YES NO NO Check spea.
- 33 - LCD TV Service Manual Hisense Confidential 7.5 T roubleshooting for TV/VGA/HDMI input No pi ctu re on th e sc reen Check Si gna l Sou rce Ch eck con nect Ch eck cab le Replace main boar d Make .
- 34 - LCD TV Service Manual Hisense Confidential 7.6 T r oubleshooting for YPbPr input No pi ctu re on th e sc reen Chec k Source wo rk or no t Ch eck con nect Check W ires (Green B lue, Red) Replace.
- 35 - LCD TV Service Manual Hisense Confidential 7.7 T roubleshooti ng for V i deo/S-V i deo input No pi ctu re on th e sc r een Chec k Source wo rk or no t Ch eck con nect Ch eck C able/ W i res Rep.
- 36 - LCD TV Service Manual Hisense Confidential 8. Explode V iew 9. Schematic cir cuit diagram.
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5 5 4 4 3 3 2 2 1 1 D D C C B B A A OFF_MUTE +3V3 12V_M SCT2_AUR_OUT SCT2_AUL_OUT GND HPOUTL1 HPOUTL1 GPIO_11 A_MUTE DAC_AUR_OUT DAC_AUL_OUT A_MUTE GPIO_11 HPOUTL1 HPOUTR1 AOMCLK AOLRCK AOBCK AOSDATA0.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A Title Size Document Number Rev Date: Sheet of MediaTek (ShenZhen) Inc. Drawn: 1 C 11 4 MediaTek Confidential Title Size Document Number Rev Date: Sheet of MediaTek (ShenZhen) Inc. Drawn: 1 C 11 4 MediaTek Confidential Title Size Document Number Rev Date: Sheet of MediaTek (ShenZhen) Inc.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A GND +3V3 AV12 DDRV +5V_TUNER DV10 +5V_ON 12V_M 5V_M SW UP31 BL-ON/OFF BL-ADJUST SW BL-ON/OFF BL-ADJUST UP31 PW_CTL1 PW_CTL1 DDRV +5V_ON DV10 5V_M +5V_TUNER +3V3 AV1.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A OFF_MUTE AUD_VMID XTALI XTALO AL1 AR1 USBVRT DV10 CVBS7 UP35 U0TX U0RX U1TX U1RX AV12_LVDSPLL GPIO_7 GPIO_7 VGAHSYNC# VGAVSYNC# AV33_HDMI MPX2_P MPX2_N ORESET# GPIO.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A AV33_XTL AV12 DV10 AV12_PLL AV12_MEMPLL AV12_LVDS AV33_HDMI AV33_LVDS AV33_CVBS AV33_ADC AV12_USB AV12_HDMI AV33_SIF DV33 AV33_VGA AV33_USB +3V3 AV33_DAC DDRV GND A.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A MEM_ADDR6 MEM_ADDR5 MEM_ADDR4 MEM_DQ0 MEM_VREF MEM_DQ15 MEM_DQ1 MEM_DQ14 MEM_DQ2 MEM_DQ3 MEM_DQ4 MEM_DQ5 MEM_DQ6 MEM_DQ7 MEM_DQS0 MEM_WE# MEM_DQM0 MEM_CAS# MEM_CS# .
5 5 4 4 3 3 2 2 1 1 D D C C B B A A OSCL0 OSDA0 ORESET# FRESET# PWM2 AOSDATA0 PWM2 ORESET# OIRI U0TX U0RX U1TX U1RX U1TX U1RX U0TX U0RX USB_DM0 USB_DP0 USB_DM1 USB_DP1 GPIO_7 GPIO_8 GPIO_9 GPIO_10 +3V.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A CECA HDMICAB0 RX0_CB RX0_C RX0_1B RX0_1 RX0_2B RX0_2 RX0_0B RX0_0 UP33 OPWR0_5V CECA HDMICAB1 RX1_CB RX1_C RX1_1B RX1_1 RX1_2B RX1_2 RX1_0B RX1_0 UP30 OPWR1_5V CECA.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A CVBS3 AV1_IN AV1 SY1 CVBS1 SC1 CVBS2 CVBS4 HSYNC# VSYNC# VGAL_IN VGAL_IN VGAL_IN VGAL_IN VGA_PLUGPWR VGASOG VGAGND RED_GND REDP VGASDA_IN RED_GND RED+ VGASCL_IN GRN.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A YPBPR1_GND SOY1 PR1P Y1P PB1P Y2_R Y2_L GND PB1_IN PR1_IN YPBPR1_GND Y1_A Y1_IN Y1_IN_GND Y1_IN PB1_IN PR1_IN SOY1 PB1_A PR1_A PBR1_IN_GND PR1P Y1P PB1P Y0_IN_GND G.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A SCT1_AUR_OUT SCT1_AV_OUT SCT1_AVO_GND ADIN3 SCT1_AUR_IN SCT1_AUL_IN CVBS5 ADIN4 SCT2_FS_IN SCT2_AV_OUT SCT2_AV_IN SCT2_R_GND SCT2_AUL_IN SCT2_AUR_IN SCT2_AUL_OUT SC.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A OSDA0 OSCL0 SCL_V50 MPX2_P MPX2_P MPX1 SDA_V50 CVBS0P CVBS0N +5V_TUNER MPX2_N MPX2_N GND OSCL0 OSDA0 TUNER_CVBS TU_CVBS_GND TV1-V +5V_TUNER SCL_V50 SDA_V50 TV_SIF T.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A GND INT PWM3 AUD_L AUD_R 5V_M MUX_CTLA MUX_CTLB PWM3 INT AUD_LOUT AUD_ROUT AUD_L AUD_R SPDIFOUT MUX_CTLC MUX_CTLD GPIO_20 AU_MUX AOMCLK AOBCK AOMCLK AOLRCK AOBCK AO.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A E4P E4N E3P E3N ECKP ECKN E2P E2N E1P E1N E0P E0N O4P O4N O3P O3N OCKP OCKN O2P O2N O1P O1N O0P O0N GPIO_4 5V_M GND 12V_M UP34 PWM0 +3V3 GPIO_21 DAC_AUR_OUT DAC_AUL.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Hisense LCD42P69P è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Hisense LCD42P69P - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Hisense LCD42P69P imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Hisense LCD42P69P ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Hisense LCD42P69P, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Hisense LCD42P69P.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Hisense LCD42P69P. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Hisense LCD42P69P insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
