Related Manuals for Hisense LCD42P69P
Summary of Contents for Hisense LCD42P69P
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Page 1: Service Manual
LCD Television Service Manual Chassis： MTK8222 Product Type： LCD42P69P、LCD47P69P Ver 1.0 Hisense Electric Co.，Ltd. March，2009... -
Page 2: Table Of Contents
7.5 Troubleshooting for TV/VGA/HDMI input...- 33 - 7.6 Troubleshooting for YPbPr input...- 34 - 7.7 Troubleshooting for Video/S-Video input...- 35 - 8. Explode View...- 36 - 9. Schematic circuit diagram ...- 36 - LCD TV Service Manual Contents Hisense Confidential - 2 -... -
Page 3: Service 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. -
Page 4: Warning
Hisense, must first satisfy himself thoroughly that neither his safety nor the safe of the equipment will be jeopardized by the service method selected. Hereafter throughout this manual, Hisense Electric Co., Ltd will be referred to as Hisense. 1.1 Warning 1.1.1... - Page 5 -Note: The wire trees should be routed correctly and fixed with the mounted cable clamps. -The insulation of the mains lead should be checked for external damage. 1.1.6 (1) Do not touch Signal and Power Connector while this product operates. Do not LCD TV Service Manual Hisense Confidential - 5 -...
- Page 6 (8) Do not damage or modify the power cable. It may cause fire or electric shock. (9) If the power cable is damaged, or if the connector is loose, do not use the product: Hisense Confidential - 6 -...
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Page 7: Notes
• While the main power is on, do not touch any parts or circuits other than the ones specified. If any connection other than the one specified is made between the measuring LCD TV Service Manual Hisense Confidential - 7 -... - Page 8 All the wires are routed far away from the areas that become hot (such as the heat sink). These wires are fixed in position with the wire clamps so that the wires do not move, thereby ensuring Hisense Confidential - 8 -...
- Page 9 The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the set. Hisense Confidential - 9 -...
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Page 10: Product Function Specifications
LCD TV Service Manual 2. Product Function Specifications 2.1 Product Function Front Cabinet Hisense Confidential - 10 -... - Page 11 LCD TV Service Manual Back Cabinet Hisense Confidential - 11 -...
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Page 12: Specifications
LCD TV Service Manual 2.2 Specifications NOTE: Specifications and design are subject to possible modifications without notice Due to improvements。 Hisense Confidential - 12 -... -
Page 13: Lcd Panel Spec
LCD TV Service Manual 3. LCD Panel Spec LCD42P69P Panel： LC420WUN-SBD1 \ROH SN：1056497 3.1General Description 3.2 General Features Hisense Confidential - 13 -... - Page 14 LCD TV Service Manual LCD47P69P 1056802 Panel： LC470WUN-SBC1\ROH SN： 3.1General Description Hisense Confidential - 14 -...
- Page 15 LCD TV Service Manual 3.2 General Features Hisense Confidential - 15 -...
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Page 16: Chassis Layout And Overall Wiring Diagrams
4. Chassis Layout and Overall Wiring Diagrams Boards and Chassis Layout LCD42P69P： Description Part No. Main board 118963 Power board 116947 Keypad PCA 113354 IR board 113523 Led board 117467 LCD47P69P： Description Part No. Main board 120028 Power board 115259... -
Page 17: Factory/Service Osd Menu And Adjustment
“Menu” button and enter factory OSD menu. c、Select the item “Auto Color”. d、Press VOL+ button to auto color. LCD TV Service Manual Timing Pattern 1024*768 gray-3color 720P gray-3color Hisense Confidential - 17 - Notes For VGA source For Component Video... -
Page 18: Factory Option
Contrast Min Contrast Mid Contrast Max Saturation Min Saturation Mid Saturation Max To FAC Logo Option Hisense Confidential - 18 - Note Red Driver adjust Green Driver adjust Blue Driver adjust Red Cut adjust Green Cut adjust Blue Cut adjust... - Page 19 STD Brightness STD Contrast STD Saturation MOVIE Brightness MOVIE Contrast MOVIE Saturation Volume Min Hisense Confidential - 19 - Yes or No Current Software version The date of current version Clean data except WB data and Auto Color data Clean all data...
- Page 20 Volume Mid Volume 75 Volume Max Audio Mode 120HZ 500HZ 1.5kHZ 5kHZ 10kHZ Hisense Confidential - 20 - Audio out power before adjusting When value is 25 Think about the Audio out power before adjusting When value is 50 Think about the...
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Page 21: Software Upgrading
Connect the unit to your pc with a USB-to-serial port cable. USB port connects to your pc, and serial port to the TV’s RS232 port. LCD TV Service Manual MTKtools2.44.04+cp210xDriver.rar Hisense Confidential - 21 - , install the driver. USB connector: to PC. - Page 22 LCD TV Service Manual For the first connecting, the pc will recognize and automatically install the USB device. The process is just like the installation of a mini disk, see the following picture. Hisense Confidential - 22 -...
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Page 23: Upgrading With The Mtktool
Ignore these errors, click “Confirm” and enter the MtkTool main interface, see the following picture. Flash chip model Please refer to follow steps to update the software: 1—Select mode of Flash chip to MT8226 as the below picture. LCD TV Service Manual Hisense Confidential - 23 - icon, open the... - Page 24 6—Click the “start” button to update software. Select mode Communicate of Flash chip port Choose the current USB conversion Port Later choose com5 LCD TV Service Manual Flash Select *.bin Baud Rate file Information upgrade process Hisense Confidential - 24 - Start upgrade...
- Page 25 Note: Whether or not click the “Auto Set Flash Baud Rate” in the “window” menu depends on the chip type. If the flash chip does not support high speed transport, do not select this option; otherwise, reserve the selected mood. Hisense Confidential - 25 -...
- Page 26 LCD TV Service Manual Click “Browse” button, find the upgrading program file, and select it. Press “Upgrade” button and start upgrading. The following interface appears on the screen, indicating upgrading successfully. Hisense Confidential - 26 -...
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Page 27: Update With Usb Directly
6.3 Update with USB directly he second update method is with USB directly: MTK8222 Series can update with USB, the software name should be HISENSE.bin. The Updating Steps is set the Source to "DMP interface", insert the USB(the update file HISENSE.bin,which should be in root directory),The TV automatic identify the upgrading software. - Page 28 LCD TV Service Manual After upgrading, you must confirm the software in the Factory Menu and you'd better "CLEAR UNPROTECTLY". Hisense Confidential - 28 -...
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Page 29: Troubleshooting
Try new batteries Replace battery Replace RC Replace remote control Check IR receiver Change Led & IR board Replace Led & IR BD Change Led & IR cable Replace Led & IR cable Replace main board Hisense Confidential - 29 -... -
Page 30: Troubleshooting For Function Key
7.2 Troubleshooting for Function Key Buttons does not work Check switches Check key board Check Key BD cable Change Key BD Replace main board LCD TV Service Manual Replace tact switch Replace Key BD Hisense Confidential - 30 -... -
Page 31: Tv Won't Power On
7.3 TV won’t Power On TV won’t power on light? BLUE OSD? Replace Main BD Replace Panel LCD TV Service Manual Check signal Source Hisense Confidential - 31 - Make Sure Power Check Power Inlet Check Power Cord Check/replace IR... -
Page 32: Troubleshooting For Audio
LCD TV Service Manual 7.4 Troubleshooting for Audio No sound Reconnect Check connecter Replace speaker wire Check speaker wire Replace speaker set Check speaker set Replace main board Replace PSU Hisense Confidential - 32 -... -
Page 33: Troubleshooting For Tv/Vga/Hdmi Input
7.5 Troubleshooting for TV/VGA/HDMI input No picture on the screen Check Signal Source Check connect Check cable Replace main board LCD TV Service Manual Make sure signal source is available Reconnect Replace cable Hisense Confidential - 33 -... -
Page 34: Troubleshooting For Ypbpr Input
LCD TV Service Manual 7.6 Troubleshooting for YPbPr input No picture on the screen Check Source work or not Check Source Device Reconnect Check connect Check Wires (Green Blue, Red) Replace wires Replace main board Hisense Confidential - 34 -... -
Page 35: Troubleshooting For Video/S-Video Input
7.7 Troubleshooting for Video/S-Video input No picture on the screen Check Source work or not Check connect Check Cable/ Wires Replace main board LCD TV Service Manual Check Signal Source Reconnect Replace Cable/Wires Hisense Confidential - 35 -... -
Page 36: Explode View
LCD TV Service Manual 8. Explode View 9. Schematic circuit diagram Hisense Confidential - 36 -... - Page 38 12V_M C344 C344 C817 C817 R668 R668 10uF 10uF 0.1uF 0.1uF CE64 CE64 4.7k 4.7k SCT1_AUL_OUT R673 R673 R672 R672 10uF/16v 10uF/16v C276 C276 R674 R674 2.2uF 2.2uF A_MUTE R703 R703 3904 3904 3904 3904 R676 R676 R675 R675 8.2k 8.2k 12V_M R679...
- Page 39 MT8222_P1V1 (DDR1) ( DDR1 WITH TERMINATION ) GPIO usage GPIO Definition Function define ADIN0 SCART FS ADIN1 SCART FS ADIN2 4052 SWITCH ADIN3 KEYPAD ADIN4 KEYPAD ADIN5 HDMI/VGA EDID E2PROM WP High = WP disable GPIO_20 Audio MUX GPIO_21 High = Mute on AMP_MUTE CONTROL GPIO_22 GAME...
- Page 40 MAIN POWER 5V_M 12V_M BL-ON/OFF BL-ADJUST 12V_M +5VS 5V_M +5VS CE83 CE83 CB217 CB217 100uF/16v 100uF/16v 0.1uF 0.1uF Power for MT8222 only ( Always on ) LDO#1 therm G962 G962 +5V_ON 2008.6.4 +3V3 R262 R262 R857 R857 CE15 CE15 CE13 CE13 21K 1% 21K 1%...
- Page 41 EPAD_GND DV10 DVDD10_2 DVDD10_2 DDRV RDQ0 RDQ0 RDQ1 RDQ1 VCC2IO_2 RDQ2 RDQ2 RDQ3 RDQ3 RDQ4 RDQ4 VCC2IO_2 RDQ5 RDQ5 RDQ6 RDQ6 RDQ7 RDQ7 VCC2IO_3 RDQS0 RDQS0 VCC2IO_2 RDQM0 RDQM0 DV10 DVDD10_2 RDQM1 RDQM1 VCC2IO_2 RDQS1 RDQS1 VCC2IO_2 RDQ8 RDQ8 RDQ9 RDQ9 VCC2IO_2 RDQ10...
- Page 42 ( Bypass CAPs arround MT8222 ) add by 08/03/20 DV10 CE62 CE62 C886 C886 C887 C887 C888 C888 C889 C889 C890 C890 470uF/10v-LowESR CAP 470uF/10v-LowESR CAP 4.7uF/10V 4.7uF/10V 0.1uF 0.1uF 3300pF 3300pF 0.1uF 0.1uF 6800pF 6800pF +3V3 DV33 FB20 FB20 0603_Bead 0603_Bead C896...
- Page 43 ( DDR1 DRAM With Termination ) DDRV MEM_DQ0 DQ15 VDDQ VSSQ MEM_DQ1 DQ14 MEM_DQ2 DQ13 VSSQ VDDQ MEM_DQ3 DQ12 MEM_DQ4 DQ11 VDDQ VSSQ MEM_DQ5 DQ10 MEM_DQ6 VSSQ VDDQ MEM_DQ7 VDDQ VSSQ MEM_DQS0 LDQS UDQS VREF MEM_DQM0 MEM_WE# MEM_CAS# MEM_RAS# MEM_CS# MEM_BA0 MEM_BA1 MEM_ADDR10...
- Page 44 Wangxiyu 20080721 System E2PROM +3V3 Wangxiyu 20080721 +3V3 CB70 CB70 OSCL0 0.1uF 0.1uF OSDA0 R198 R198 EEPROM 24C16 EEPROM 24C16 PWM2 R-SOIC08N-1.270-6.00-HX R-SOIC08N-1.270-6.00-HX 3904 3904 IIC ADRESS "A0" R199 R199 NS/10K NS/10K Serial Flash 位置尽量靠近8222，附近若有IO需要串磁珠并且避让，EMC问题 +3V3 +3V3 FB24 FB24 0603_Bead 0603_Bead R166 R166...
- Page 45 HDMI port 0 2008/06/10 HDMI_PLUGPWR0 +5VS HDMI_PLUGPWR0 OPWR0_5V BAT54C BAT54C HDMIDDCSCL_0 HDMIDDCSDA_0 HDMI_PLUGPWR0 WANGXIYU20081113 VER.C删除 UP33 HDMI port 1 2008/06/10 HDMI_PLUGPWR1 +5VS OPWR1_5V BAT54C BAT54C HDMIDDCSCL_1 HDMIDDCSDA_1 HDMI_PLUGPWR1 WANGXIYU20081113 VER.C删除 UP30 HDMI port 2 2008/06/10 HDMI_PLUGPWR2 +5VS OPWR2_5V BAT54C BAT54C HDMIDDCSCL_2 HDMIDDCSDA_2 HDMI_PLUGPWR2...
- Page 46 AV1+S-Video1 Input P16B P16B 左 左 AV1_IN SIGNAL 黄 黄 中 中 下 下 R441 R441 AV1L_IN AV1_L SIGNAL 白 白 右 右 R440 R440 AV1R_IN AV1_R SIGNAL 红 红 SIGNAL R443 R443 R442 R442 EZJZ0V800AA EZJZ0V800AA EZJZ0V800AA EZJZ0V800AA 5 6 7 AV2 Input P16A P16A...
- Page 47 Only for US, EU not stuff YPbPr0 port 左 左 Y0_IN 绿 绿 中 中 PB0_IN 蓝 蓝 右 右 PR0_IN 红 红 SCT1_AUL_IN 白 白 SCT1_AUR_IN 红 红 YPbPr1 port 左 左 Y1_IN 绿 绿 中 中 PB1_IN 蓝 蓝...
- Page 48 SCART Connector VER SCART Connector VER SCT1_AUR_OUT AUDIO_OUT_R SCT1_AUR_IN AUDIO_IN_R SCT1_AUL_OUT AUDIO_OUT_L GND_Audio SCT1_GB_GND GND_Blue SCT1_AUL_IN AUDIO_IN_L SCT1_B_IN Blue_I/O SCT1_FS_IN SCT1_GB_GND GND_Green Commas data2 SCT1_G_IN Green_I/O Comms data1 SCT1_R_GND GND_Red GND_Blanking SCT1_R_IN Red_I/O SCT1_FB_IN Fast_Blanking SCT1_AVO_GND GND_Video_OUT SCT1_AVI_GND GND_Video_IN SCT1_AV_OUT VIDEO_OUT(Composite) SCT1_AV_IN VIDEO_IN(Composite)
- Page 49 TUNER_IF TUNER_IF 10uH 10uH +5V_TUNER IF_TUNER C613 C613 +5V_TUNER CE94 CE94 10uF/16V 10uF/16V R-CAPC2012N-HX R-CAPC2012N-HX 0.1uF 0.1uF TU_33V CB203 CB203 0.1uF 0.1uF CB204 CB204 CE130 CE130 4.7uF 4.7uF R-CAPC1005L-HX R-CAPC1005L-HX 47uF/16v 47uF/16v R-CAPC2012N-HX R-CAPC2012N-HX 5V-OUT R185 R185 R140 R140 R193 R193 I2C ADDRESS: 4.7K...
- Page 50 5V_M AMUX_5V FBA1 FBA1 0603_Bead 0603_Bead CA69 CA69 CA71 CA71 CA68 CA68 4.7uF/16v 4.7uF/16v 100uF/16v 100uF/16v CA70 CA70 0.1uF 0.1uF 0.1uF 0.1uF AMUX_5V R398 R398 CA21 CA21 100uF/16v 100uF/16v AV1_L C415 C415 2.2uF 2.2uF AV2_L C354 C354 2.2uF 2.2uF Y1_L C381 C381 2.2uF...
- Page 51 5V_M LVDS POWER 12V_M LVDSVDD FB(1206)/NS FB(1206)/NS FB(1206) FB(1206) C377 C377 C329 C329 R349 R349 P-CH P-CH AO4459 AO4459 10uF/NC 10uF/NC R-SOIC08N-1.270-6.00-HX R-SOIC08N-1.270-6.00-HX LOW = > LVDS POWER OFF HIGH = > LVDS POWER ON R351 R351 GPIO_4 2N3904 2N3904 R-SOT3N-0.95-2.80-HX R-SOT3N-0.95-2.80-HX R350...