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Hisense LCD24V88APAM, Руководство по обслуживанию

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Hisense LCD24V88APAM Скачать руководство пользователя страница 34

 

 

 

- 34 -

4. Circuit instruction 

4.1 Main board Power assign and block diagram 

Power assign: 

The Powerd only has 12V output 

，

other voltages are converted from 12V. 

a.

 

5Vstb is converted by U10 from 12V

，

5VAIN and +5V_USB are converted by U7 from 5Vstb. 

b.

 

+3.3Vstb that standby power supply for main IC (U41)

、

Flash (U42)

、

EEPROM (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 by U12V_IN; 

f    VCC-Panel supply power for Panel is converted by U4 from 5VAIN or +12V_IN 

Block diagram: 

 

 

Содержание LCD24V88APAM

Страница 1: ...LiquidCrystalDisplayTelevision Service Manual Chassis MST6E16JS Product Type LCD24V88APAM Ver 1 0 Hisense Electric Co Ltd May 2012...

Страница 2: ...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 41 4 4 Troubleshooting 49 4 4...

Страница 3: ...ools 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 inju...

Страница 4: ...ified 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...

Страница 5: ...nsion 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 replacem...

Страница 6: ...ause 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 p...

Страница 7: ...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 inst...

Страница 8: ...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 t...

Страница 9: ...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...

Страница 10: ...Press M button exit factory 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...

Страница 11: ...t 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 COUNTR...

Страница 12: ...SION 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 Sensi...

Страница 13: ...VE 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 5...

Страница 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...

Страница 15: ...ROM 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...

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

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

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

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

Страница 20: ...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 wind...

Страница 21: ...ow 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 n...

Страница 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 Dra...

Страница 23: ...ove 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 interfac...

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

Страница 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...

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

Страница 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...

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

Страница 29: ...sful 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 Soft...

Страница 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...

Страница 31: ...31...

Страница 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 Unprote...

Страница 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...

Страница 34: ...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...

Страница 35: ...wave filter U23 U25 then output SIF and VIF signal which input to the main IC to have convert f AV Signal The video signal of AV input from terminal XS2 last enter the pin 37 of U41 as following The C...

Страница 36: ...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 pin1...

Страница 37: ...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...

Страница 38: ...utput 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...

Страница 39: ...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 A...

Страница 40: ...er 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...

Страница 41: ...41 Key 1 Key1 in Key Remote control signal IR SYNC IR 4 3 The main IC description 74HC4052D...

Страница 42: ...42...

Страница 43: ...43 AOZ1021...

Страница 44: ...44 RF7314...

Страница 45: ...45...

Страница 46: ...46 MP1482...

Страница 47: ...47 TPA1517...

Страница 48: ...48...

Страница 49: ...emote 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...

Страница 50: ...ng 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 O...

Страница 51: ...er 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...

Страница 52: ...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 Supp...

Страница 53: ...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 YE...

Страница 54: ...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 N...

Страница 55: ...roubleshooting 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...

Страница 56: ...56 5 Schematic circuit diagram...

Страница 57: ...ER 3534 HX 1 2 3 12 11 10 9 8 6 7 4 5 H802 H802 1 VD815 4148 VD815 4148 1 2 V801 V801 1 2 3 VD812 VD812 1 2 3 R883 120R R883 120R R821 100K R821 100K V807 2222 V807 2222 1 2 3 M3 MARK M3 MARK C826 103...

Страница 58: ...B L65 FB R11 22K R11 22K R72 4 7K R72 4 7K CA2 220uF 25V CA2 220uF 25V R4 NC 10K R4 NC 10K R21 22K R21 22K L3 BLM31PG L3 BLM31PG V4 3904 V4 3904 1 2 3 C146 0 1uF C146 0 1uF R6 4 7K R6 4 7K L1 BLM31PG...

Страница 59: ...DJ OUT IN U8 AMS1117 ADJ 3 2 1 4 C73 0 1uF C73 0 1uF C28 0 1uF C28 0 1uF C44 0 1uF C44 0 1uF C33 0 1uF C33 0 1uF C66 0 1uF C66 0 1uF R270 13K_1 R270 13K_1 L15 FB L15 FB C202 0 1uF C202 0 1uF R73 220 R...

Страница 60: ...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 C...

Страница 61: ...aturday April 25 2009 R163 1K R163 1K R185 10 R185 10 VD9 INPAQ_VPORT VD9 INPAQ_VPORT 1 2 R175 10 R175 10 R152 4 7K R152 4 7K C132 0 1uF C132 0 1uF XS32 HDMI_1 XS32 HDMI_1 DATA2 1 DATA2 SHIELD 2 DATA2...

Страница 62: ...47K R330 47K VD116 BAV99 VD116 BAV99 3 2 1 R343 1K R343 1K R49 47 R49 47 R114 100 R114 100 R110 4 7K R110 4 7K VD60 ESD VD60 ESD 1 2 R113 100 R113 100 VD321 ESD VD321 ESD VD65 ESD VD65 ESD 1 2 C382 2...

Страница 63: ...78 47 R187 75 R187 75 R291 47K R291 47K VD88 ESD VD88 ESD 1 2 VD95 ESD VD95 ESD 1 2 R285 75 R285 75 V16 3904 V16 3904 1 2 3 R310 47K R310 47K V13 3904 V13 3904 1 2 3 R230 75 R230 75 C192 0 1uF C192 0...

Страница 64: ...10 R298 10 R260 0 R260 0 C219 10nF C219 10nF 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 R238 4 7K R238 4 7K R273 NC 0 R273 NC 0 R254 1K R2...

Страница 65: ...342 1nF C342 1nF C183 2 2uF C183 2 2uF R275 NC R275 NC H4 NC HOLE V8 H4 NC HOLE V8 1 2 3 4 5 6 7 8 TPA1517 U26 TPA1517 U26 IN1 1 SGND 2 SVRR 3 OUT1 4 PGND 5 OUT2 6 VCC 7 M_SB 8 IN2 9 GND 12 GND 13 GND...

Страница 66: ...B MST6E16JS_ZB_1861_A Page1 1 CA6 Page2 1 L19 L21 Page3 1 R456 R480 2 LED R684 R427 3 PCB Page6 1 C194 Title Size Document Number Rev Date Sheet of C 4 TEL 0755 26996895 FAX 0755 26996830 MST6E16 A Re...

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