Related Manuals for Hisense 32LD846HT
Summary of Contents for Hisense 32LD846HT
-
Page 1: Service Manual
LCD Television Service Manual Chassis： MSD309PX Ver 1.0 Hisense Electric Co.，Ltd. March，2011... -
Page 2: Table Of Contents
Contents Contents..................................- 2 - Service Manual ................................- 3 - 1. Precautions and notices.............................- 3 - 1.1 Warning..............................- 4 - 1.2 Notes...............................- 7 - 2. Product Specifications: ...........................- 10 - 2.1 Specifications:............................- 10 - 2.2 Main Board: ............................- 11 - 2.3 Wiring Diagram: ...........................- 13 - 3. -
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 that you are connected with the same potential as the mass of the set by a wristband with resistance. Keep components and tools also at this same potential. 1. Never replace modules or other components while the unit is switched on. 2.
- Page 6 touch EMI ground part and Heat Sink of Film Filter. (2) Do not supply a voltage higher than that specified to this product. This may damage the product and may cause a fire. (3) Do not use this product in locations where the humidity is extremely high, where it may be splashed with water, or where flammable materials surround it.
-
Page 7: Notes
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. Otherwise, this can lead to fire. (11) Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. - Page 8 equipment and the high voltage power supply block, it can result in electric shock or activation of the leakage-detection circuit breaker. • When installing the LCD module in, and removing it from the packing carton, be sure to have at least two persons perform the work. •...
- Page 9 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. Verify that the peripherals of the serviced points have not undergone any deterioration during servicing.
-
Page 10: Product Specifications
2. Product Specifications: 2.1 Specifications: 32 Inch & 42 Inch： NOTE： The above Specifications are reference only, other models refer to the actual User manual. Please. - 10 -... -
Page 11: Main Board
Main Board: Board 1: ( Panel have not 120HZ refurbish ratio) Headphone HDMI Main （MSD309PX） S-Video Cable HDMI Y PB PR AV OUT Coaxial PC Audio IN - 11 -... - Page 12 Board 2: (Panel have 120HZ refurbish ratio) LVDS Board (120HZ) Note ： The above “Main board images”are reference only, different models refer to the actual units to determine the boards. - 12 -...
-
Page 13: Wiring Diagram
Wiring Diagram: LTDN32V68NAM Note: The above is reference only, different models refer to the actual units to Wiring Diagram determine the connectors. - 13 -... - Page 14 MSD309PX Chassis Series includes model: LVDS Board Model Panel Mode LVDS(Main-Panel) (120HZ) LTDN32V86NAM(1) T315HW04VD\JK\ROH HX2-2X20KLB350-CMO-1\ROH LTDN32V68NAM T315HW04VD\JK\ROH HX2-2X20KLB350-CMO-1\ROH LTDN32K26AM LC320EUN-SDV1\JK\ROH HX2-2X20KLB300P-LG-4\ROH LTDN32V88NAM T315HW04VD\JK\ROH HX2-2X20KLB350-CMO-1\ROH LTDN42V86NAM HC420EF-E01\ROH HX2-2X20KLB600P-LG-2\ROH FFC-521-51P-2A\ROH LTDN40K26GAM LTA400HF24\JK\ROH FFC-422-41P-2A\ROH FFC-521-51P-2A\ROH LTDN46K26GAM LTA460HJ14\JK\ROH FFC-422-41P-2A\ROH FFC-51P-563\ROH LTDN40T26GAM LTA400HF16\JK\ROH FFC-41P-476\ROH FFC-51P-563\ROH LTDN40T28NGAM LTA400HF16\JK\ROH FFC-41P-476\ROH...
-
Page 15: Factory/Service Osd Menu And Adjustment
3. Factory/Service OSD Menu and Adjustment 3.1 To enter the Factory OSD Menu a. With factory RC (remote control) 1. Press “M” button and enter factory mode.(Note1) 2. Press “Menu” button and enter factory OSD menu. 3. Press “CH+”/“CH-” button select the function menu, press “VOL+”/“VOL-” enter the selected function menu. - Page 16 Function Factory Menu TOFAC : M or U White Balance Power Mode Save Auto Calibrate Software Update Function LOGO: Hisense Init OSD language: English Test Pattern PVR RECORD ALL WDT: UART Debug : None White Balance RDRV: GDRV: BDRV RCUT:...
-
Page 17: Software Upgrading
4. Software Upgrading 4.1 Upgrading with the ISP_TOOL 4.1.1 Hardware connecting You can update the software through a special tool (as following) Connect the Debug board to the TV use VGA interface or the RS232 (4 pin), the other USB port to the compute. - Page 18 3、Double click the ISP_TOOL4.5.0.4 icon, and then a dialog window will show as below. 4、Click the” Config “button. And then a dialog window will show as below. Draw on the front of “Use USB” Port Type setting is USB Base Addr setting is 0x38C ISP Slave Address choose 0x92 Serial Debug Slave Address choose 0xB2，...
- Page 19 5、Click the “Connect”button，if appear the following figure, It indicates that the ISP_TOOL has connected.(According to the tv set,”Device Type” maybe different.) If appear the following figure，It indicates that the ISP_TOOL has not connected. Please click the“DisCon”button and “Connect”button to connect.. 6、Click the“Read ”button，Choose the correct update file。...
- Page 20 8、Click the “Run” button and wait update end. If show any error message ，then do “Dis Con” >> “Connect”，and click the “Run” button again，till show the following dialog window。 - 20 -...
-
Page 21: Upgrading With The Usb
4.2 Upgrading with the USB Software can update with USB device: 1. Copy the “*.BIN” file such as “MERGE.BIN” to the root directory of a USB disk. 2. Insert the USB disk into the USB slot of the TV SET. 3. -
Page 22: Circuit Instruction
5. Circuit instruction 5.1 Power assign and block diagram Power assign: The Power board have 5V&12V output ，other voltages are converted from 5V&12V. a. Vcc-Panel is converted by N1 from 12V，5V-Tuner converted by N21 from 12V supplies to tuner. b. 3.3Vstb is converted from 5V-stb by N2, It’s standby power supply for main IC (N7), Keyboard, Remote board ,Flash（N11）and HDMI CEC. -
Page 23: Block Diagram
Block diagram: AO3401 Vcc-Panel 5V-Tuner 78D05 R2A15120FA Flash Remote 5V-stb 1117-3.3 3.3Vstb Keyboard 1.8VA 1084-ADJ 1.32V MP1482 5VAIN 2.5VA 1117M3ADJ 3.3VA 1117-3.3A 24C04 24C32(EEPROM) 5V-USB AP2172SG 3.3V-Demod 1.2V-Demod 1117A-3.3A 11117-1.2 Headphone XS16 - 23 -... -
Page 24: Image And Signal Process
5.2 Image and signal process - 24 -... -
Page 25: Troubleshooting
5.3 Troubleshooting 5.3.1 Troubleshooting for Remote Control Remote control does not work 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 &... -
Page 26: Troubleshooting For Function Key
5.3.2 Troubleshooting for Function Key Buttons does not work Check solder connections and Check switches see if any switches are stuck. Replace Key BD Check key board Check Key BD cable Change Key BD Replace main board - 26 -... - Page 27 BD or Keypad one works Try Power on by RC and Button Check signal Panel Bright Source Neither Both works Work Replace Main Replace Main BD Power on Replace Panel (to contact Hisense tech support.) Replace Power BD - 27 -...
-
Page 28: Troubleshooting For Audio
5.3.4 Troubleshooting for Audio No sound Reconnect Check connecter Replace speaker wire Check speaker wire Replace speaker set Check speaker set Replace main board Power Supply Board - 28 -... - Page 29 5.3.5 Troubleshooting for TV/VGA/HDMI input No picture on the screen Check Signal Source Make sure signal source is available Reconnect Check connect Replace cable Check cable Replace main board - 29 -...
-
Page 30: Troubleshooting For Ypbpr Input
5.3.6 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 - 30 -... - Page 31 5.3.7 Troubleshooting for Video input No picture on the screen Check Source work or not Check Signal Source Reconnect Check connect Replace Cable/Wires Check Cable/ Wires Replace main board - 31 -...
-
Page 32: Schematic Circuit Diagram
6. Schematic circuit diagram 7. Explode View - 32 -... - Page 33 VD815 VD815 100V C804 C804 MUR460G MUR460G R975 R975 220n/AC275V 220n/AC275V 220k 220k R977 R977 R961 R961 RT801 RT801 SCK10054LSY505 SCK10054LSY505 C807 C807 C853 C853 F801 F801 470p/1KV 470p/1KV 68u/250V 68u/250V R984 R984 R801 R801 C801 C801 T801 T801 C855 C855 R850 R850...
- Page 34 Power Input Inverter Interface XP15 XP15 5VAIN 5VAIN For 32"/37" 32寸LED电源板不带待机5V，+5V/+12V要控制。 +12V 2011-01-27，By ZHIYUNAN C509 C509 C510 C510 INV_12V STANDBY 10u/16V 10u/16V 10u/16V 10u/16V 5Vstb 3.3VA INV_12V STPB2012-121PT STPB2012-121PT 5VAIN BL-ON/OFF +12V 100R 100R BL-ON/OFF C133 C133 C136 C136 BL-ADJUST R203 R203 100n/16V...
- Page 35 MSD309PX HDCP KEY EEPROM 3.3VA 1.32V PCMCIA PCMCIA HDMI HDMI AUDIO AUDIO 0:Write Enable VDDC1.2V 4.7k 4.7k PAD_PCM_D[0] PAD_TS1_D[0] VDDC1.2V 1:Write Disable HD1-Lin AD14 RXA0N HD1-Lin PAD_RX0N_A PAD_LINEIN_L0 PAD_PCM_D[1] PAD_TS1_D[1] VDDC1.2V 3.3VA HD1-Rin AD15 4.7k 4.7k RXA0P HD1-Rin PAD_RX0P_A PAD_LINEIN_R0 PAD_PCM_D[2] PAD_TS1_D[2] VDDC1.2V...
- Page 36 MIUA_DQS0 MA_DQS0 MIUA_DQS0 MIUA_DQS0B MA_DQSB0 MA_MCLK MIUA_DQS0B MIUA_MCLK 1.8VA MA_MCLKZ MIUA_MCLKZ MIUA_DQS1 MA_DQS1 MIUA_DQS1 MIUA_DQS1B MA_DQSB1 MIUA_DQS1B MA_DQM1 MA_DQM0 Close to DRAM MA_DQS0 A_MVERF R130 75R R130 75R LDQS VREF MIUA_ODT MA_ODT MA_DQSB0 MA_CKE MIUA_ODT LDQS# MA_DQS1 VssQ VssQ UDQS# VddQ UDQS# VddQ MA_MCLK UDQS...
- Page 37 HDMI Input 1 DC1R019JB1 DC1R019JB1 DB2+ R142 R142 RXB2P RXB0N RXB0N DATA2+ R143 R143 RXB2N RXB0P RXB0P DATA2S DB2- R144 R144 RXB1P RXB1N RXB1N DATA2- DB1+ R145 R145 RXB1N RXB1P RXB1P DATA1+ HDMI CEC R146 R146 RXB0P RXB2N RXB2N DATA1S DB1- R147 R147...
- Page 38 VGA INPUT VIDEO_OUT R189 R189 C96 1n/50V C96 1n/50V RGB0-SOG 2 VGA-G R190 R190 47n/16V 47n/16V RGB0_GIN+ 2 VGA-B R191 R191 47n/16V 47n/16V RGB0_BIN+ 2 R192 R192 DDC-SCLIN RV37 RV37 VGA-HS ISP-RXD AVLC18S02015 AVLC18S02015 R193 R193 LINEOUTL 0R/NC 0R/NC LINEOUTL 7 VGA-VS RV38 RV38...
- Page 39 XP11 XP11 5VAIN 5V_USB0 5V_USB0 5V_USB0 USB_DPO USB_DMO 5.1R 5.1R R276 R276 USB_DP C159 C159 5.1R 5.1R R277 R277 USB_DMO USB_DPO USB_DM C158 C158 STPB3216-121PT/NC STPB3216-121PT/NC C156 C156 100u/16V 100u/16V 100n/16V 100n/16V RV68 RV68 RV69 RV69 100n/16V 100n/16V close to USB connector <=2pF <=2pF 3.3VA...
- Page 40 +12V VCC-A L39,For 32"/37" SPEAKER AMP STPB3216-121PT/NC STPB3216-121PT/NC L40,For 40"/46" STPB3216-121PT STPB3216-121PT VCC-A MUTE Function Power On Mute C370 C370 3.3VA 3.3VA BLM21PG220SN1D BLM21PG220SN1D 1u/50V 1u/50V MUTE Power Off Mute CA87 CA87 C307 100u/16V/NC C307 100u/16V/NC 220u/25V 220u/25V BLM18PG181SN1 BLM18PG181SN1 BLM18PG181SN1 BLM18PG181SN1 AMP-Rout+...
- Page 41 B3_3.3V 5VAIN 3.3V_Demod LD1117A-3.3AZ1117H-3.3 LD1117A-3.3AZ1117H-3.3 60mA BLM18PG121SN1 BLM18PG121SN1 VOUT 3.3V_Demod C206 C206 C207 C207 C213 C213 C214 C214 C215 C215 C216 C216 C217 C217 C208 C208 VOUT C205 C205 1u/16V 1u/16V 100n/16V 100n/16V 1u/16V 1u/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V...
- Page 42 TUNER 5VAIN ANT_PWR TUNER POWER 5V_B1 Vcc1 T_RFAGC RAGC BLM18PG121SN1 BLM18PG121SN1 5V_B2 Vcc2 R394 R394 5V_Tuner C267 C267 +12V Vsync R392 R392 R393 R393 C268 C268 5V_B1 Demod_RST 2,8 100n/16V 100n/16V 10u/16V 10u/16V R370 R370 R371 R371 Reset T1_3.3V Vcc3 100R 100R 100R...
-
Page 43: Power Tree
POWER TREE 5Vstb 3.3Vstb 3.3VA 1117-3.3 5VAIN 1117-3.3 2.5VA 1117-ADJ +12V 5V_TUNER 7805 1.32V MP1482 12V VCC-PANEL AO3401 5V VCC-PANEL AO3401 5VAIN MP2380 1.8VA 1084-ADJ 5V_USB AP2172 3.3V_Demod 1.2V_Demod 1117-3.3 1117-1.2 3.3V_TUNER 1.2V_TUNER 1117-3.3 1117-1.2 Title Title Title <Title> <Title> <Title>...