Hisense LCD32V88AM 2 Service Manual Download Page 19 | Manualshive

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Summary of Contents for LCD32V88AM 2

Page 1: ...LiquidCrystalDisplayTelevision Service Manual Chassis MST6E16JS Product Type LCD32V88AM 2 LCD32V88AM 3 Ver 1 0 Hisense Electric Co Ltd November 2011 ...

Page 2: ...2 2 Factory OSD Menu 10 3 Software Upgrading 15 Before upgrading read the following 15 3 1 Get ready for upgrading 15 3 2 Upgrading with the ISP_TOOL4 0 9 25 3 3 USB Software upgrading 29 4 Circuit instruction 34 4 1 Main board Power assign and block diagram 34 4 2 Image and signal process 35 4 3 The main IC description 42 4 4 Troubleshooting 50 5 Schematic circuit diagram 57 ...

Page 3: ...vice 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 als...

Page 4: ...tics are identified with a by the Ref No in the parts list Use of substitute replacement parts which do not have the same specified safety characteristics may create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from Hisense Hisense assumes no liability express or implied arising out of any unauthorized modification ...

Page 5: ...stable 1 1 3 To prevent electrical shock do not use this polarized ac plug with an extension cord receptacle or the outlet unless the blades can be fully inserted to prevent blade exposure To prevent electrical shock match wide blade or plug to wide slot fully insert 1 1 4 When replacement parts are required be sure to use replacement parts specified by the manufacturer or have the same characteri...

Page 6: ...at does no satisfy the specified environmental conditions This may damage the product and may cause a fire 4 If a foreign substance such as water metal or liquid gets inside the panel module immediately turn off the power Continuing to use the product may cause fire or electric shock 5 If the product emits smoke and abnormal smell or makes an abnormal sound immediately turn off the power Continuin...

Page 7: ...tion when moving the cart apparatus combination to avoid injury from tip over 1 2 NOTES Notes on Safe Handling of the LCD panel and during service The work procedures shown with the Note indication are important for ensuring the safety of the product and the servicing work Be sure to follow these instructions Before starting the work secure a sufficient working space At all times other than when a...

Page 8: ...ning materials before the surface of the panel comes into contact with the cushioning materials Failure to observe this precaution may result in the surface of the panel being scratched by foreign matter When handling the circuit board be sure to remove static electricity from your body before handling the circuit board Be sure to handle the circuit board by holding the large parts as the heat sin...

Page 9: ...y that the peripherals of the serviced points have not undergone any deterioration during servicing Also verify that the screws parts and cables removed for servicing purposes have all been returned to their proper locations in accordance with the original setup The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dan...

Page 10: ...ory mode in the factory OSD menu When TV outgoing factory user can not enter factory OSD menu with Factory Remote b With user s RC 1 Power TV On 2 Press Menu button and call up User OSD Menu 3 Select Sound Balance 4 When Balance value is 0 Enter 0 5 3 2 in sequence If defeat then try the figure 1 9 6 9 in sequence Note If necessary re do number keys 5 Factory OSD appears 6 Press the standby button...

Page 11: ...nt and VGA SOURCE The ADC Adjust Can be chosen WHITE BALANCE COL TEMP STANDARD R CUT 128 G CUT 128 B CUT 128 R DRV 128 G DRV 128 B DRV 128 FACTORY MENU WHITE BALANCE ADC ADJUST LOGO OSD LANGUAGE COUNTRY OPTIONS FACTORY INIT TEST PATTERN VERSION NON STANDARD ...

Page 12: ...RSION PANEL TYPE FLASH TEST PATTERN TEST PATTERN NULL FACTORY INIT QINGDAO HUANGDAO HUNGARY FRANCE AUSTRALIA CLEAR PROTECTLY CLEAR UNPROTECTLY OPTION SOURCE TV TOFAC M ATS 1 STARTUP MENU 1 Search Sensitive 1 RF NTSC 0 HDCP OUT OR IN 1 ...

Page 13: ...RVE MODE BRIGHTNESS CURVE 0 97 CURVE 25 105 CURVE 50 120 CURVE 75 130 CURVE 100 141 SOUND MODE MODE USER 120HZ 10 500HZ 10 1 5KHZ 10 5KHZ 10 10KHZ 10 PICTURE MODE MODE STANDARD BRIGHTNESS 50 CONTRAST 50 COLOUR 50 DESIGN MENU PICTURE MODE SOUND MODE PICTURE CURVE AUDIO CURVE SSC SETTING SAVING MODE ...

Page 14: ... 14 Note The above Factory Service OSD Menu are reference only please refer to the actual units to determine the appearances SAVING MODE 255 SSC SETTING DDR SSC 2 DDR MCM 60 LVDS SSC 2 LVDS PCM 60 ...

Page 15: ...PROM data C Close the OSD menu after 5 seconds D Restart the TV 4 Write the ADC Calibration values copied just now into the the channels of VGA and component 5 After the operation above all necessarily Renew search the channels for the users 3 1 Get ready for upgrading The software is upgraded by a burning tool ISP_TOOL4 0 9 which can burn the program file bin to the main board of the unit 3 1 1 I...

Page 16: ... 16 Choose system option from the control panel Click the system icon as the following Choose the hardware option from the dialog window ...

Page 17: ... 17 Click device management icon as the following Choose the port COM and LPT1 ...

Page 18: ... 18 Choose the ECP print port LPT1 Click the port of print LPT1 as the following ...

Page 19: ... 19 Choose port setting option as the following ...

Page 20: ...r where the ISP_TOOL4 0 9 lies in There are three folders files in this folder together DLPORTIO dll and FTD2XX DLL must be in the same folder Double click the ISP_TOOL4 0 9 icon and then a dialog window will show as below ...

Page 21: ...dow will show as below Port Type setting is LPT1 Base Addr setting is 0x378 Draw on the front of pin 1 switch UART I2c Speed setting is 99 As following Choose SDA in and setting PIN is PIN10 Notes Do not draw on the front of Reverse High As following ...

Page 22: ... Notes Do not draw on the front of Reverse High As following Choose SDA out and setting PIN is PIN4 Notes Draw on the front of Reverse High As following Choose SCL out and setting PIN is PIN2 Notes Draw on the front of Reverse High As following ...

Page 23: ...bove clicking the Apply button to complete the configuration 3 1 2 Hardware connecting You can update the software through a special tool as following Connect the Debug board to the TV use VGA interface the other parallel port to the ...

Page 24: ... 24 computer just as the following ...

Page 25: ... 25 3 2 Upgrading with the ISP_TOOL4 0 9 3 2 1 Double click the ISP_TOOL4 0 9 icon and a dialog window will show as following Click the Read button ...

Page 26: ... 26 Choose the update file from the folder ...

Page 27: ... 27 The update file has been chosen successfully Click the Auto button and choose parameters as following Click the Run button Click the connect button then show a dialog box as following ...

Page 28: ... 28 If show above then click the Run button again and again till show the following dialog window ...

Page 29: ...ssful enter Factory Init Menu and select Clear Unprotectly a Press VOL button to clear the EEPROM data b When the Clear Unprotectly button becomes white turn off the power c Restart the TV 3 3 USB Software upgrading 3 3 1 Copy the Updating software to the USB root directory the software named bin for example the TV LCD19W58AM 30 named LCD19W58AM bin If the TV has internet function Insert the USB d...

Page 30: ... 30 3 3 2 the Function Menu Software Update choose on see the next figure 3 3 3 AC power off then restart the TV ...

Page 31: ... 31 ...

Page 32: ... not Please modify the name of sotrware 3 3 5 After the update is over Must Confirm the software Version in the Version Menu If the update is successful enter Factory Init Menu and select Clear Unprotectly d Press VOL button to clear the EEPROM data e When the Clear Unprotectly button becomes white turn off the power f Restart the TV ...

Page 33: ... 6E16GS and 6E16JS Chassis 6E16GS must be the last 8 bit figures and letters in front ot bin For example LCD19W58AM 30 named D19W58AM bin Chassis 6E16JS must be the TV name in front of bin For example LCD19W58AM 30 named LCD19W58AM bin ...

Page 34: ...M U43 HDCP EEPROM U21 Key is converted by 5Vstb from U5 c U28 and U30 power supply from 5VAIN d 3 3AVDD supply power for main is converted by U6 from 5VAIN 2 6VM supply power for DDR is converted by U8 from 5VAIN VCC 1 26V supply power for main IC core voltage is converted by U9 from 5VAIN e 12V supply power for audio amplify is converted by U6 from 12V_IN 5V IN supply power for Tuner is converted...

Page 35: ... 35 4 2 Image and signal process ...

Page 36: ... output SIF and VIF signal which input to the main IC to have convert TPA3101D2 f AV Signal The video signal of AV input from terminal XS2 last enter the pin 37 of U41 as following The CVBS video signal of SCART input from terminal XS39 last enter the pin35 of U41 as following TPA3101D2 ...

Page 37: ... last enter pin 32 33 of U41 as following The RGB video signal of SCART input from terminal XS39 Ypbpr video signal of SCART input from terminal XS7 The two signals pass U30 IC P15V330Q then enter pin17 20 of U41 last pass XP11 J2 directly output to the Panel a ...

Page 38: ... directly input IC U41 Output of Scart owning to have CANAL function only output RF Signal which by Pin 40 of U41 As the following amplified circuit Output from terminal XS39 g Audio Signal except HDMI and USB Audio Signal of TV is that the SIF signal pass through Tuner U22 and surface acoustic wave filter U23 U25 was converted by U41 ...

Page 39: ...output other voltages are converted from 12V U4 and U7 can interrupt other voltages while standby only reserve standby 5V as following When TV Power on Standby Signal is High level 5VAIN Power suppluy normally When TV standby the U7 tuner switch is shut off 5VAIN Power suppluy is low 12V standby signal control as similar as 5V ...

Page 40: ...s following Current channel AU SW0 Switch output signal Component Low level Component YPbPr SCART High level SCART RGB The audio input signal of SCART and AV was converted by U28 controlled by AU SW0 AU SW1 signal According current signal choose one channel output from 3 13 of U U28 The control method as following Current channel AU SW0 AU SW1 Switch output signal AV SV Low level x AV SV L R ...

Page 41: ...wer on PW_CTL pass V1 V26 inverse phase Standby signal Power control PW_CTL High level power on BL ON OFF High level power on ON_PBACK pass V2 inverse phase BL control ON_PBACK Low level power on LVDS VCC ON_Panel High level TCON on Audio amplify mute AMP MUTE High level mute 33V PWM PWM3 33V rising voltage circuit Key 0 Key0 in Key ...

Page 42: ... 42 Key 1 Key1 in Key Remote control signal IR SYNC IR 4 3 The main IC description 74HC4052D ...

Page 43: ... 43 ...

Page 44: ... 44 AOZ1021 ...

Page 45: ... 45 RF7314 ...

Page 46: ... 46 ...

Page 47: ... 47 MP1482 ...

Page 48: ... 48 TPA1517 ...

Page 49: ... 49 ...

Page 50: ...Remote Control Remote control does not work Try new batteries Replace RC Check IR receiver Change Led IR board Change Led IR cable Replace main board Replace battery Replace remote control Replace Led IR BD Replace Led IR cable YES YES NO YES NO YES NO ...

Page 51: ...ing for Function Key Buttons does not work Check switches Check key board Check Key BD cable Change Key BD Replace main board Check solder connections and see if any switches are stuck Replace Key BD OK YES YES NO YES NO NO ...

Page 52: ...wer on Is LED light NO YES Check Power Output YES NO Check Power Cord Only one works Replace Main BD Try Power on by RC and Button Neither works Both Work Power on OK YES NO Replace Power BD YES NO RED BLUE Panel Bright NO Replace Main BD NO YES Check signal Source YES NO YES Replace Panel to contact Hisense tech support OK ...

Page 53: ...4 Troubleshooting for Audio No sound Check connecter Check speaker wire Replace main board Reconnect Replace speaker wire YES YES NO NO Check speaker set Replace speaker set YES NO OK YES NO Power Supply Board ...

Page 54: ... 5 Troubleshooting for TV VGA HDMI input No picture on the screen Check Signal Source Check connect Check cable Replace main board Make sure signal source is available Reconnect Replace cable NO YES YES NO NO ...

Page 55: ... 6 Troubleshooting for YPbPr input No picture on the screen Check Source work or not Check connect Check Wires Green Blue Red Replace main board Check Source Device Reconnect Replace wires NO YES YES NO YES NO ...

Page 56: ...Troubleshooting for Video S Video input No picture on the screen Check Source work or not Check connect Check Cable Wires Replace main board Check Signal Source Reconnect Replace Cable Wires NO YES YES NO YES NO ...

Page 57: ... 57 5 Schematic circuit diagram ...

Page 58: ...2 P0R92001 P0R92101 P0R92201 P0T831014 P0T831015 P0T831016 P0T901010 P0V90102 P0V90503 P0XP80206 P0XP80207 P0XP80208 P0XP80209 P0XP802010 P0XP80306 P0XP80307 P0XP80308 P0XP80309 P0XP803010 P0XP80403 P0XP80404 P0XP80407 P0XP804013 P0XP804014 P0XP80503 P0XP80504 P0XP80506 P0XP80508 P0XP80509 P0XP805012 P0XP805013 P0XP80602 P0XP80605 P0C80602 P0C80801 P0C81002 P0C81202 P0C81402 P0C81502 P0C81602 P0C8...

Page 59: ...4 1 2 3 V11 3904 V11 3904 L99 FB 3A L99 FB 3A C10 0 68uF C10 0 68uF R34 4 7K R34 4 7K C14 0 68uF C14 0 68uF R35 NC R35 NC 1 2 3 V5 NC 3904 V5 NC 3904 CA6 100uF 16V CA6 100uF 16V R43 4 7K R43 4 7K L1 BLM31PG L1 BLM31PG R45 4 7K R45 4 7K R16 22K R16 22K R54 22K R54 22K C146 0 1uF C146 0 1uF C6 2 2uF C6 2 2uF R37 4 7K R37 4 7K 1 3 2 V35 IRLML6401 V35 IRLML6401 R4 NC 10K R4 NC 10K R19 510R R19 510R V6...

Page 60: ...uF C34 0 1uF C30 0 1uF C30 0 1uF R292 2 2K R292 2 2K C296 10uF C296 10uF R269 4 02K_1 R269 4 02K_1 L16 FB L16 FB C380 2 2uF C380 2 2uF CA94 100uF 16V CA94 100uF 16V C23 0 1uF C23 0 1uF CA79 100uF 16V CA79 100uF 16V C73 0 1uF C73 0 1uF C51 0 1uF C51 0 1uF 3 2 1 4 ADJ OUT IN N8 AMS1117 ADJ ADJ OUT IN N8 AMS1117 ADJ R270 10K_1 R270 10K_1 C98 2 2uF C98 2 2uF C36 0 1uF C36 0 1uF C104 0 1uF C104 0 1uF L...

Page 61: ...7nF C309 47nF R423 10K R423 10K R158 4 7K R158 4 7K 4 3 2 1 5 6 7 8 RP31 100R 4 3 2 1 5 6 7 8 RP31 100R R104 4 7K R104 4 7K R446 1M R446 1M A0 29 A1 30 A2 31 A3 32 A4 35 A5 36 A6 37 A7 38 A8 39 A9 40 A10 AP 28 A11 41 DQ0 2 DQ1 4 DQ2 5 DQ3 7 DQ4 8 DQ5 10 DQ6 11 DQ7 13 DQ8 54 DQ9 56 DQ10 57 DQ11 59 DQ12 60 DQ13 62 DQ14 63 DQ15 65 BA0 26 BA1 27 CS 24 RAS 23 CAS 22 WE 21 LDM 20 UDM 47 LDQS 16 UDQS 51 ...

Page 62: ...ELD 8 DATA0 9 CLK 10 CLK SHIELD 11 CLK 12 CEC 13 NC 14 SCL 15 SDA 16 DDC CEC GND 17 5V POWER 18 HOT PLUG 19 GND1 20 GND2 21 GND3 22 GND4 23 GND7 24 XS32 HDMI_2 XS32 HDMI_2 1 2 VD21 INPAQ_VPORT VD21 INPAQ_VPORT R333 100 R333 100 R332 100 R332 100 R93 10K R93 10K R119 100 R119 100 1 2 VD9 INPAQ_VPORT VD9 INPAQ_VPORT R337 10 R337 10 1 2 VD19 INPAQ_VPORT VD19 INPAQ_VPORT 1 2 VD13 INPAQ_VPORT VD13 INPA...

Page 63: ...术创新研究院C座4楼 TEL 0755 26996895 FAX 0755 26996830 MST6E16 SCART RGB A4 5 9 Saturday July 04 2009 Title Size Document Number Rev Date Sheet of 深圳市高新区南区科技南十路国际技术创新研究院C座4楼 TEL 0755 26996895 FAX 0755 26996830 MST6E16 SCART RGB A4 5 9 Saturday July 04 2009 SCART1 RGB Input R286 47K R286 47K R279 75 R279 75 1 2 VD71 ESD VD71 ESD 3 2 1 VD130 BAV99 VD130 BAV99 1 2 VD72 ESD VD72 ESD 1 2 VD70 ESD VD70 ESD C355...

Page 64: ... 47K C144 NC C144 NC 1 2 VD69 ESD VD69 ESD R338 22 R338 22 C361 2 2uF C361 2 2uF R118 47 R118 47 R131 75 R131 75 NC 1 NC 2 NC 3 GND 4 SDA 5 SCL 6 VCLK 7 VCC 8 N16 24C02 N16 24C02 R99 75 R99 75 R107 2 2K R107 2 2K R383 10K R383 10K 1 2 VD78 ESD VD78 ESD R147 47K R147 47K C369 2 2uF C369 2 2uF 1 2 VD64 INPAQ_VPORT VD64 INPAQ_VPORT R109 4 7K R109 4 7K 3 2 1 VD120 BAV99 VD120 BAV99 R148 47K R148 47K R...

Page 65: ... 8 2K R230 75 R230 75 C186 NC 330pF C186 NC 330pF C320 0 1uF C320 0 1uF R370 10K R370 10K R405 47K R405 47K C383 10uF C383 10uF R196 100K R196 100K CA8 220uF 16V CA8 220uF 16V C193 560pF C193 560pF C189 560pF C189 560pF 2 4 6 8 10 12 14 16 18 20 1 3 5 7 9 11 13 15 17 19 21 24 25 XS40 SCART2 XS40 SCART2 R326 47 R326 47 C326 2 2uF C326 2 2uF R202 150 1 R202 150 1 R416 100 R416 100 R684 47k R684 47k ...

Page 66: ...60 0 R260 0 R481 4 7K R481 4 7K C219 10nF C219 10nF 1 2 3 V63 2SC2717 V63 2SC2717 R382 10K R382 10K R297 4 7K R297 4 7K R261 2 2K R261 2 2K R51 1K R51 1K R251 47 R251 47 C222 NC C222 NC C242 NC C242 NC R238 4 7K R238 4 7K R273 NC 0 R273 NC 0 R254 1K R254 1K C233 22pF C233 22pF C238 0 1uF C238 0 1uF C300 2 2uF C300 2 2uF R256 6 8K R256 6 8K C234 0 1uF C234 0 1uF R253 0 R253 0 IN 1 OUT 2 TAB GND 3 U...

Page 67: ...42 1nF C342 1nF C782 1uF C782 1uF C779 0 1uF C779 0 1uF C791 220nF C791 220nF R532 NC R532 NC 1 2 3 4 5 6 7 8 9 H3 NC H3 NC V29 3904 V29 3904 VD113 1N4148 VD113 1N4148 1 2 3 4 5 6 7 8 9 H1 NC H1 NC C737 NC 2 2uF C737 NC 2 2uF L39 33uH L39 33uH 1 3 2 V28 3906 V28 3906 3 2 1 VD111 BAV99 VD111 BAV99 C788 1uF C788 1uF R724 1K R724 1K XS4 ARROW XS4 ARROW 1 2 VZ705 10V NC VZ705 10V NC R705 47K R705 47K ...

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