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Panasonic TH37LRT12U - HD LCD DISPLAY, Service Manual

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Panasonic TH37LRT12U - HD LCD DISPLAY Service Manual Download Page 22

22

TH-32LRT12U-A    *    TH-37LRT12U/M/A 

8.2.7 Removal of LCD Panel and

Cabinet

1. Remove screws  (x5  , x4  ) and  then remove the 

Chassis Frame.

2. Remove screws  (x8  , x4  ) and  then remove the Panel

Fixing.

3. Remove the LCD Panel from the Cabinet.

Chassis Frame

Panel Fixing

Panel Fixing

Panel Fixing

Panel Fixing

Summary of Contents for TH37LRT12U - HD LCD DISPLAY

Page 1: ...als 9 4 Specifications 10 4 1 TH 32LRT12U A 10 4 2 TH 37LRT12U M A 11 5 Factory Mode 12 5 1 How to enter into Factory Mode 12 5 1 1 Key command 12 5 1 2 Contents of adjustment mode 12 5 2 How to exit 13 6 Operating Instructions 14 6 1 On Screen Menu Display 14 6 2 Hotel Mode 15 6 2 1 Hotel mode setup 15 6 2 2 Hotel mode menu list 16 7 Troubleshooting Guide 17 7 1 No Power 17 7 2 No Picture 17 8 Di...

Page 2: ...2 12 5 Main Board 4 of 15 Schematic Diagram 43 12 6 Main Board 5 of 15 Schematic Diagram 44 12 7 Main Board 6 of 15 Schematic Diagram 45 12 8 Main Board 7 of 15 Schematic Diagram 46 12 9 Main Board 8 of 15 Schematic Diagram 47 12 10 Main Board 9 of 15 Schematic Diagram 48 12 11 Main Board 10 of 15 Schematic Diagram 49 12 12 Main Board 11 of 15 Schematic Diagram 50 12 13 Main Board 12 of 15 Schemat...

Page 3: ...stomer from being exposed to shock hazards 1 1 1 Leakage Current Cold Check 1 Unplug the AC cord and connect a jumper between the two prongs on the plug 2 Measure the resistance value with an ohmmeter between the jumpered AC plug and each exposed metal lic cabinet part on the equipment such as screwheads connectors control shafts etc When the exposed metal lic part has a return path to the chassis...

Page 4: ...dup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 ...

Page 5: ... Caution Pb free solder has a higher melting point than standard solder Typically the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron and set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F or 600 C If you must use Pb solder please completely remove all of the Pb free solder on the pins or solder area before applying...

Page 6: ... ID NO indicated in the label at side and the model name plate of the unit 3 2 Different P C B Parts No Parts name Description Remarks TH 32LRT12U TH 32LRT12U A TNM4CD0819FA TNM4CD0819FC MAIN BOARD only change soft TNM4CD0822F TNM4CD0821F POWER BOARD TNM4CD0906F IR TNM4CD0809F AV3 TNM4CD0810F KEY TNM4CD0820F RS232 Model Name Plate Label at side ...

Page 7: ... Cover AC Cord Pedestal Assy AV3 IR KEY SP SP POWER BOARD MAIN BOARD RS232 TH 32LRT12 U A Remove the Rear Cover 1 Remove 15 screws XTN4 15JFZ 3 screws XTB4 10FFZ 1 screw THT4CM010K 4 screws XYN4 F11FZ 2 Remove Pedestal Assy 3 Remove AC Cord and Back Cover ...

Page 8: ...udio Video Sync Input Switch POWER BOARD Power Supply Unit IR Remote Switch LED G R Power Switch AV3 SW AV3 KEY Switch RS232 RS 232 Input terminal Back Cover AC Cord RS232 AV3 SW IR SP SP POWER BOARD MAIN BOARD TH 37LRT12 U M A Remove the Rear Cover 1 Remove 14 screws XTB4 15JFZ 2 screws XYN4 F10FZ 1 screw THT4CM010K 2 Remove AC Cord and Back Cover ...

Page 9: ...0i 50Hz 7 1080i 50Hz 8 1080i 60Hz 8 1080i 60Hz 9 1080p 50Hz 9 1080p 50Hz 10 1080p 60Hz 10 1080p 60Hz Applicable input signals for Mini D sub 15P Signal name RUL RQWDO IUHTXHQF N 9HUWLFDO IUHTXHQF RW FORFN IUHTXHQF 0 1 640 x 480 60 Hz 31 47 59 94 25 18 2 640 x 480 72 Hz 37 86 72 81 31 5 3 640 x 480 75 Hz 37 50 75 00 31 5 4 800 x 600 56 Hz 35 16 56 25 36 0 5 800 x 600 60 Hz 37 88 60 32 40 0 6 800 x ...

Page 10: ...idity 20 80 Connection terminals PC IN 0 1 68 3 1 9S S 9S S 5 9S S HD VD 1 0 5 0 Vp p high impedance AUDIO IN M3 JACK 0 5 Vrms AV1 AV3 9 2 1 5 3 1 9S S S VIDEO IN MINI DIN 4PIN x 3 Y 1 0 9S S 9S S AUDIO IN RCA PIN JACK x 3 0 5 Vrms YPBPR Y RCA PIN JACK x 1 9S S PB PR 5 3 1 9S S AUDIO IN RCA PIN JACK x 1 0 5 Vrms HDMI1 HDMI3 TYPE A Connector x 3 AUDIO OUT RCA PIN JACK x 2 0 5 Vrms SERIAL EXTERNAL C...

Page 11: ...104 F 0 C 40 C Humidity 20 80 Connection terminals PC IN 0 1 68 3 1 9S S 9S S 5 9S S HD VD 1 0 5 0 Vp p high impedance AUDIO IN M3 JACK 0 5 Vrms AV1 AV3 9 2 1 5 3 1 9S S S VIDEO IN MINI DIN 4PIN x 3 Y 1 0 9S S 9S S AUDIO IN RCA PIN JACK x 3 0 5 Vrms YPBPR Y RCA PIN JACK x 1 9S S PB PR 5 3 1 9S S AUDIO IN RCA PIN JACK x 1 0 5 Vrms HDMI1 HDMI3 TYPE A Connector x 3 AUDIO OUT RCA PIN JACK x 2 0 5 Vrms...

Page 12: ...E H PEAK BP GAIN H PEAK HP GAIN H PEAK LP GAIN H PEAK CORING H PEAK CLIP V PEAK GAIN V PEAK CLIP NR PHASE NTSCM TH 32LRTA V3 0 090901 WTCodeVersion V3 0 0x7A 0x7A 0x7A 0x80 0x80 0x80 0x85 0x1A 0x90 0x00 0x02 0x0D 0x04 0x00 0x0F 0x18 0x10 OFF 0x00 056A0220 OD OE OF FACTORY MENU Main item Sub item Software Version Main item Sub item Adjustment 0A SPV7100 PICTURE R OFFSET Set R Brightness G OFFSET Se...

Page 13: ...EV LEV_ADJ_DEM_REG level adjust MONO RF MODE NIC LEV LEV_ADJ_DEM_REG extra gain for NICAM RF MODE SAP LEV LEV_ADJ_DEM_REG level adjust SAP RF MODE ADC LEV LEV_ADJ_DEM_REG level adjust AV Ypbpr PC MODE DIGIN LEV LEV_ADJ_DEM_REG level adjust HDMI MODE LOUD Set_Loudness_On_Off LOUD LEV Set_LOUD_LEV LOUD FIL Set_LOUD_LEV 500Hz or 1000Hz filter SOUND AI AVL Reference Level AUDIO OUT LEV Set_AUDIO_OUT_L...

Page 14: ...o select the item Picture Menu Picture Mode Standard Contrast Brightness Color Tint Sharpness 32 32 32 00 12 User Off Example Picture Menu 4 GMXVW RU VHOHFW Press the VOL or buttons 32 Contrast 5 LW WKH PHQX RETURN Press to return to the previous menu Press several times until you exit the menu Press the INPUT button several times until you exit the menu 2Q 6FUHHQ 0HQX LVSOD Various menus allow yo...

Page 15: ... and hold MUTE for more than 3 seconds Press to select the item Press to select the Setup menu Press to enter menu 5 Select the item and set desired settings Main Menu Picture Menu Sound Menu Setup Menu Setup Menu Language Movie Mode English On Press to select the item Press to adjust settings Setup Menu Initial Input Onscreen Display Initial VOLLevel MaximumVOLLevel Input Lock Button Lock Remocon...

Page 16: ...volume level so that it will not exced the maximum setting Off No restrictions are placed on the volume level 0 to 63 The volume is restricted to the selected level Note It is not possible to select a Maximum VOL Level setting which is lower than the Initial VOL Level setting Input Lock Off RF AV1 AV2 AV3 YPbPr HDMI1 HDMI2 HDMI3 PC Locks the input switch operation Off Input switch can be used Note...

Page 17: ...de 7 1 No Power 7 2 No Picture NO POWER Check Power board Check Fuse F1 Connector CN3ΕCN4ΕCN7 Check Main board Connector J5ΕCN10 OK NG NO PICTURE Check OSD Check Main board Location CN1 Flash IC Check Connector J7ΕCN10 OK OK NG Check Location U14 SPV7100P ...

Page 18: ...x15 x3 x1 x4 and then remove the Pedestal Assy 2 Remove the AC cord from the slot 3 Remove the Back Cover 8 1 2 Removal of EMI Case Unit 1 Remove screws x3 x4 x3 and then remove the AV cover 2 Remove 4 screws disconnect the connectors and then remove the EMI Case 3 Disconnect the connectors including Speaker R speaker L CON33 CON42 CON34 CN1 panel inverter CN1 panel driver and remove the 13 foil P...

Page 19: ...n 1 Remove the Operation Button 2 Remove 2 screws and then remove the key PCB 8 1 5 Removal of IR PCB and AV3 PCB 1 Remove 2 screws and then remove the IR PCB 2 Remove 2 screws and then remove the AV3 PCB 8 1 6 Removal of Speaker L R 1 Connected terminal hook is pushed and the speaker lead in 4 places is pulled out 2 To safely remove speaker see picture below 3 Remove 8 screws and then remove the ...

Page 20: ...positions 8 2 1 Removal of Back Cover 1 Remove screws x14 x2 x1 and then remove the Back Cover 2 Remove the AC cord from the slot 8 2 2 Removal of Pedestal Assy 1 Remove 4 screws and then remove the Pedestal Assy 8 2 3 Removal of EMI Case and Wall Mount Holder 1 Remove 9 screws and then remove the EMI Case 2 Remove 4 screws and then remove the Wall Mount Holder Panel Fixed Panel Fixed Panel Fixed ...

Page 21: ...screw Disconnect the connectors CN3 CN4 CN7 CN1 AC CORD and then remove the Power PCB 8 2 5 Removal of Power SW PCB and Operation PCB 1 Remove 4 screws and then remove the Power SW PCB and Operation PCB 8 2 6 Removal of Speaker L R 1 Connected terminal hook is pushed and the speaker lead in 4 places is pulled out 2 To safely remove speaker see picture below 3 Remove 8 screws and then remove the Sp...

Page 22: ...val of LCD Panel and Cabinet 1 Remove screws x5 x4 and then remove the Chassis Frame 2 Remove screws x8 x4 and then remove the Panel Fixing 3 Remove the LCD Panel from the Cabinet Chassis Frame Panel Fixing Panel Fixing Panel Fixing Panel Fixing ...

Page 23: ...ode 2 Software Reset Before screen warm up go to option 0F in factory mode and at RESET press the Left but ton on the remote 3 Screen Burn in Go to option OF in factory mode and at BURN IN press the Left button on the remote to switch to W then exit factory mode Allow to burn in for 1 hour After burn in enter factory mode and change BURN IN to OFF before proceeding with White Bal ance Adjustment 4...

Page 24: ...f values as marked below 4 Use a 9 pin D SUB cable to connect the display with the computer 5 Open ISP TOOL software on the computer 6 Select the connected COM port of the computer in the drop down list RS 232 cable RS 232 cable D SUB 9 pin D SUB 9 pin female female USB to RS 232 adapter SPV7100 OA SPV7100 PICTURE R OFFSET G OFFSET B OFFSET R GAIN G GAIN B GAIN 516 CONTRAST 516 BRIGHTNESS 516 SATU...

Page 25: ...on on the main bar then change the setting values as below 8 Click Select File to choose the upgrade file 9 Click Start to begin upgrading 10 When upgrade is completed a window appears as shown below Then unplug the display after at least 3 seconds ...

Page 26: ... White Wait for auto adjustment to finish NOTE 1 Perform steps 13 and 14 every time you upgrade main micon eeprom software 2 The gray H pattern should be inputted when AUTO WHITE for YPbPr mode 3 If 6 groups of values in Factory mode 0A were not recorded before upgrade you have to adjust the white balance settings manually according to the procedures of white balance adjustment in the previous sec...

Page 27: ... is shown below 3 Turn on the display and enter into Factory mode 4 Select 0F in the main items and UART ON DSUB in the sub items then change OFF to ON USB cable Sub micon tool 15 pin D SUB cable USB cable Tool RGB PC cable Mini D sub 15p Male Female SPV7100 OA SPV7100 SYSTEM POLLING STATE EEPROM RESET BURN IN UART ON DSUB OpenDebug Baud Rate SPREAD SPECTRUM DPLLMD L DPLLCU ON OFF OFF OFF 0X01 960...

Page 28: ...pen Weltrend MCU ISP software on the computer 6 Select Config on the menu bar then select Interface Next adjust the settings as shown below 7 Click Exit Save 8 Select File on the menu bar and select Load File Next choose the upgrade file ...

Page 29: ...TURE R OFFSET G OFFSET B OFFSET R GAIN G GAIN B GAIN 516 CONTRAST 516 BRIGHTNESS 516 SATURATION 516 HUE H PEAK BP GAIN H PEAK HP GAIN H PEAK LP GAIN H PEAK CORING H PEAK CLIP V PEAK GAIN V PEAK CLIP NR PHASE NTSCM TH 32LRTA V3 0 090901 WTCodeVersion V3 0 0x7A 0x7A 0x7A 0x80 0x80 0x80 0x85 0x1A 0x90 0x00 0x02 0x0D 0x04 0x00 0x0F 0x18 0x10 OFF 0x00 056A0220 OD OE OF FACTORY MENU ...

Page 30: ...1 9 6 1 1 1 1 1 9 6 1 5 1 1 1 08 B 08 B 08 B 9 6 3E3U 1 3E 1 3U 1 6 9 B 1B5 6 9 B 1B 6 9 B 1B5 6 9 B 1B 27 02 27 02 9LGHR 9 6 1 6 ᅙ 9LGHR 1 1 6 9 XGLR 6 9 B 1B5 6 9 B 1B 08 XGLRB5 08 XGLRB 3 7XQHU XGLR 7XQHUB6 B 1 3E3U XGLR 203 XGLRB5 203 XGLRB 3 XGLR 3 B 1B 0 3520 3520 0 5 Audio DAC Output 1 0 PSOLILHU 1 1 0 PSOLILHU 1 XGLR 2XWSXW 5 XGLR 2XWSXW 5 O ODV DVK 1 O ODV DVK 1 V58C2128164SB 5 6 5 0 0E V...

Page 31: ...AIN SWITCHING LLC NCP1230D ON STANDBY SWITCHING Flyback F B CONTROL MBRF20100CT RECTIFIER FILTER Ctrl IC LTV 817 PHOTO COUPLER LTV 817 PHOTO COUPLER LTV 817 PHOTO COUPLER ON OFF CONTROL F B CONTROL POWER ON OFF 24V 7 5A STBY 5Vsb 1 5A Gate Driver MBRF2060CT RECTIFIER FILTER 12V 2 35A LTV 817 PHOTO COUPLER OCP KIA358F OVP ON OFF CONTROL P45N03LTFG SWITCHING 5V 3A ON OFF CONTROL NCP1606B ON PFC BOOS...

Page 32: ...AM CN1 30pin Power Circuit Block Source Driver Circuit S1 S1366 RGB TFT LCD Panel 1366 x 768 x RGB pixels Gate In Panel Timing Controller LVDS Rx ODC SDRAM Spread Spectrum integrated Back light Assembly 12EEFL CN2 Inverter Master 14Pin High 24 0V VBR A EXT VBR B On off Status EEPROM SDA SCL LVDS 1Port 12 0V LVDS Select 9 ...

Page 33: ...33 TH 32LRT12U A TH 37LRT12U M A 10 4 Power Unit Block Diagram for TH 37LRT12U M A CIRCUIT BLOCK DIAGRAM ...

Page 34: ... 3PinX1CN High 3PinX1CN High 24 0V GND VBR A EXTVBR B Status Inverter CN1 30pin LVDS 1Port Source Driver Circuit TFT LCD Panel 1366 x RGB X 768 pixels G1 S1 S1366 G768 Mini LVDS RGB Timing Controller LVDS Rx OPC ODC integrated Gate Driver Circuit EEPROM Power Circuit Block SDA SCL 12 0V LVDS Select ...

Page 35: ...32LRT12U A CN3 CN1 CON10 CON7 CON1 J5 J8 CON8 CON6 CON13 fig A3 fig A3 fig A3 fig A1 fig A2 pic 1 fig A3 CON34 J7 CON12 CON11 CN4 CN7 1 2 11 10 12 13 14 3 8 9 7 6 5 4 CON1 Clamp Position CON NO CON NO 1 2 9 10 11 12 CONA6 CON13 O O J5 CN3 O O J8 CN7 O O O CN1 AC Cord O CON7 CON1 O ...

Page 36: ... 14 15 16 8 7 6 5 4 17 CN1 Clamp Position CON NO CON NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J7 CN1 O O J7 O CN1 CN10 O O O O O CN1 CN4 O O CON1 CON33 O O O O O CON34 CON34 O O O O O O O O CON8 CON42 O O O O CONA6 CON13 O O J8 CN7 O O O J5 CN3 O O CON12 Speaker L O O CON11 Speaker R O O O O O CON7 CON1 O CN1 AC cord O ...

Page 37: ...37 TH 32LRT12U A TH 37LRT12U M A 11 3 Wiring 3 TH 32LRT12U A 9 Clamp Position CON NO CON NO 9 CN1 AC Cord O ...

Page 38: ...ker L 14 CON10 CON8 CON34 CON1 8 7 5 2 1 6 4 3 9 10 11 12 13 Clamp Position CON NO CON NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 J7 CN1 O O J7 No Clamp CN1 CN10 O O O O O CN1 CN4 O O O CON1 CON33 O O O O O O CON34 CON34 O O O O O CON8 CON42 O O O O CONA6 CON13 O O J8 CN7 O O O J5 CN3 O O CON12 Speaker L O O O CON11 Speaker R O O O O O CON7 CON1 O CN1 AC cord O ...

Page 39: ...mum positions 5 This schematic diagram is the latest at the time of printing and subject to change without notice Remarks 1 The Power Circuit contains a circuit area which uses a separate power supply or you may be shocked The circuit defined by HOT and COLD indications in the schematic diagram Take the following precautions All circuits except the Power Circuit are cold Precautions a Do not touch...

Page 40: ...WER J5 HDMI1 Con16 YPbPr J3 CONA4 HDMI SW IC U11 C ON35 TUNER CN6 AUDIO OUT U32 DDRRAM U17 R CON7 DDRRAM U16 U12 MUX L CN1 FLASH CON10 Audio AMP U34 CONA2 CON5 CON8 CONA6 CON34 HDMI2 Con6 HDMI3 Con5 J4 U39 RS232 MAIN BOARD PCB 657 D 1 15 Placement TH 32 37LRT12 Main Board 1 of 15 Schematic Diagram TH 32 37LRT12 Main Board 1 of 15 Schematic Diagram ...

Page 41: ...V_IR P 10 15 Tuner_CVBS_IN P 6 15 AV2_AUDIO_L P 6 AV2_SV C_IN P 6 AV2_CVBS_IN P 6 AV2_AUDIO_R P 6 SIFAIN0 P 7 15 SDPVR_PREVIEW P 10 SDPVR_GPIO75 P 10 SDPVR_REC P 10 7300RESET P 10 AV1 Input Tuner Input AV2 Input AV3 Input 5V I2C CONTROLLER SIGNALS A D TV Module Input Need to modify the footprint for J9 Noted by Monlong 2K70425 R22 10ohm ޏ Ղٙ R388 A D TUNER TAPE H701F 330 Ohm TAPQ H701F 68 Ohm R328...

Page 42: ... CONA2_PIN7_CARD_AUDIO_L J2_PIN1 CONA2_PIN9_CARD_AUDIO_R J2_PIN4 CONA4_PIN3_CARD_IR J3_PIN3 R82 1K U1C 74HC14 SO14 SO14 5 6 7 C14 10nF C271 10uF 16V 1 2 C526 NC C L2 0 C553 NC C R55 47K Z14 HZK7A 1 2 R52 10K FB3 0 1206 BEAD C4 10nF Z21 HZK7A 1 2 R413 6K8 U1A 74HC14 SO14 SO14 1 2 7 D1 NC BAT54 54C 3 2 1 R27 75 R50 10K R36 100 C554 NC C R34 75 C20 10nF R37 100 R61 47K C23 NC 22pF R35 10K Z23 HZK7A 1...

Page 43: ...4 7K C77 0 1uF R450 NC 20K R106 100K R485 1K FB6 FB 1206 19 ohm R97 NC 120 Z27 RCLamp0502B 1 3 2 CON16 HDMI Type A D2 1 D2 Shield 2 D2 3 D1 4 D1 Shield 5 D1 6 D0 7 D0 Shield 8 D0 9 SHELL1 20 SHELL2 21 SHELL3 22 SHELL4 23 CK 10 CK Shield 11 CK 12 CE Remote 13 NC 14 DDC CLK 15 DDC DATA 16 GND 17 5V 18 HPD 19 D2 NC LED 1 2 R455 10K Z32 ZMM55C6V8 1 2 U5 RClamp0514M MSOP 10L NC 2 VCC 3 LINE3 4 NC 5 LIN...

Page 44: ...ents need to close to SPV7100 These components need to close to SPV7100 Use one pi filter for AV Mux CVBS Output Modified by Monlong 2K70425 Use one pi filter for AV Mux SV Y Output Modified by Monlong 2K70425 Add the voltage divider for audio input signals Modified by Monlong 2K70425 L14 belongs to 0ohm C341 C344 belong to N C L18 1 8UH Κ 0ohm C346 C347 2 Κ 20PF NC C85 0 1uF C86 0 47uF C389 NC 22...

Page 45: ...OM of ADC filter Modified by Monlong 2K70425 Swap Audio DAC RL output Modified by Monlong 2K70425 FOR SDPVR Trap2 V 2 5V V 2 6V C125 0 1uF C0603 R610 NC 33 TP220 C128 2 2uF R148 4 7K R499 330 R446 4 7K TP228 C114 390pF RP22 RP220KX4 1 2 3 4 5 6 7 8 R517 NC 33 R137 33 R607 NC R C144 10uF 16V 1 2 R159 NC 4K7 R138 4 7K R447 4 7K R135 33 R133 4 7K NC TP241 R397 4 7K R151 5 6K TP175 C141 0 1uF C0603 R3...

Page 46: ...F FB24 BEAD FB12 BEAD C185 0 1uF C156 0 1uF C159 0 1uF C151 0 1uF C199 0 1uF C207 1nF FB47 BEAD C191 0 1uF C187 0 1uF C147 0 1uF C213 0 1uF C155 0 1uF FB18 BEAD C200 10uF 16V 1 2 C189 0 1uF FB15 BEAD FB22 BEAD C373 10uF 16V 1 2 C210 1nF C167 0 1uF C375 10uF 16V 1 2 C383 10uF 16V 1 2 C372 0 1uF C160 1nF C99 1nF NC C202 1nF C186 0 1uF C374 0 1uF FB17 BEAD C382 0 1uF C183 1nF FB16 BEAD C203 10uF 16V ...

Page 47: ...uF 16V 1 2 RP1 RP22X4 1 2 3 4 5 6 7 8 RP18 RP22X4 1 2 3 4 5 6 7 8 R395 0 C221 0 1uF R164 220 C218 220uF 35V 1 2 C230 0 1uF R396 0 U17 16Mx16 DDR SDRAM TSOP VDD 1 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 VDD 18 VDDQ 3 VSSQ 6 VDDQ 9 VSSQ 12 VDDQ 15 NC 14 NC 17 LDQS 16 NC 19 LDM 20 WE 21 CAS 22 RAS 23 CS 24 NC 25 BA0 26 BA1 27 AP...

Page 48: ...1 1 8 5 7B 1 1 8 5 7B 1 1 6 B 63 6 B 63 32 5 B 79B 5 79B 5 B 8 5 7B 1 1 B 8 5 7B 1 1 B 5 B 7 B 7 5 8 5 7B 1 1 B 8 5 7B 1 1 B 7 B 5 B 5 6 B7 5 6 B5 5 B 7 5 6 B7 5 6 B5 5 6 B 7 7 5 6 B 7 7 6 B6 3 6 B 1 3 6 B6 3 6 B6 3 3 B7 3 5 3 7 3 3 B5 3 6 5 1 3 6 5 1 3 79B 5 3 5 6 71 3 6 B 9 3 6 B 9 3 6 B 9 3 6 B 9 3 9 B69B 7 7 3 9 B69B 7 7 3 9 B69B 7 7 3 79B B 3 79B B 3 35 2 0 B6 3 35 2 0 B6 3 B 3 B5 3 8 5 7B 1 ...

Page 49: ...mm 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 FB31 FB 1206 19 ohm C285 0 1uF U41 AP9435GM 4 4 5 5 6 6 7 7 8 8 1 1 2 2 3 3 C257 100uF 16V 1 2 TP98 1 1 FB35 FB 1206 19 ohm R498 180 C266 220uF 35V 1 2 TP107 1 1 R251 10K R496 180 TP97 1 1 TP108 1 1 FB33 FB 1206 19 ohm R599 0 C263 0 1uF C256 0 1uF R546 47K Q33 2N3904 SOT23 2SC2859 2 3 1 C546 NC 10nF TP99 1 1 C252 0 1uF C547 NC 10nF U30 APE1117 33CY SOT 223...

Page 50: ...9 5 TP145 1 1 G3 1 1 G4 1 1 R260 1K R262 NC 1K R258 10K G18 3_5mm_8via 1 2 4 3 6 7 8 9 5 R267 NC 4 7K TP172 1 1 G5 1 1 TP711 1 TP139 1 1 Q18 NC 2N3904 2 3 1 R430 NC 0 TP146 1 1 TP731 1 R142 NC 0 TP140 1 1 TP147 1 1 G14 PIN5MM 1 1 G6 1 1 TP162 1 1 TP148 1 1 G8 PIN5MM 1 1 C287 0 1uF TP157 1 1 TP153 1 1 R263 1K TP154 1 1 TP166 1 1 G1 3_5mm_8via 1 2 4 3 6 7 8 9 5 R269 0 TP141 1 1 R264 0 G11 3_5mm_8via...

Page 51: ...P 2 0mm 1 2 3 4 5 R593 0 C298 NC 47nF L12 NC 10uH 322522 1210 C317 47pF CON13 BASE 5P 2 0mm 1 2 3 4 5 C292 NC 0 1uF C539 NC 390pF R274 NC 15K C301 NC 10uF 16V 1 2 R292 56K C533 470pF C311 47pF KM04022 CN6 1 2 3 L R GND C307 NC 1nF C541 NC 3 3uF 50V 1 2 R287 56K R282 NC R278 NC 47 R596 0 R270 NC 10 C299 NC 10uF 16V 1 2 C306 NC 10uF 16V 1 2 C314 3 3uF 50V 1 2 R594 0 Z37 HZK7A 1 2 C537 NC 390pF R591 ...

Page 52: ...0 LL4148 1 2 C323 NC 0 22uF 1 2 G34 1 1 C328 NC 0 22uF 1 2 D7 LL4148 1 2 G29 1 1 C334 0 1uF 1 2 G42 1 1 G28 1 1 R300 5 6K R295 NC 3R9 1 2 R314 NC 2K7 1 2 R307 10K 1 2 D17 ES3A AB SMD 1 2 TP118 1 1 Q20 2SC2411 2 3 1 C333 33uF 25V 1 2 G30 1 1 G35 1 1 C331 10uF 50V 1 2 CON12 BASE 2P 2 0mm 1 2 D13 ES3A AB SMD 1 2 D41 MBRX0520 1 2 D15 ES3A AB SMD 1 2 CON11 BASE 2P 2 0mm 1 2 G39 1 1 G33 1 1 C322 0 47uF ...

Page 53: ...ER P 16 TUNER_MODE P 16 RS232_RX P 10 RS232_TX P 10 RS232_DETECT P 7 10 A D_TUNER S1 S0 0 0 0 1 1 0 1 1 0 1 2 3 OUTPUT S0 Pin11 RS232_DET 0 1 TUNER RS232 0 0 N C 1 0 TP192 1 1 C495 0 1uF CON35 32PIN_SOCKET 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 33 33 34 34 FB50 BEA...

Page 54: ...10 UART_ENN_4 P 10 ISP_WT DC VOLTAGE UNDER 3 3 RESERVED R565 4 7K TP229 J15 BASE 4P 2 0mm 1 2 3 4 R609 150 0 5W TP63 1 1 R505 33 TP62 1 1 R583 NC 4 7K 2 1 3 S O T 2 3 Q34 NC EM6353 SOT 23 1 3 2 R570 33 R537 0 R539 33 C510 100uF 16V 1 2 SW2 NC SW1_4P Reset 1 2 3 4 R572 NC 1K C508 100uF 16V 1 2 U39 WT6702_24PIN 32KOSCI 2 32KOSCO 1 GPIOA0 AD0 22 GPIOA1 AD1 21 GPIOA2 AD2 20 GPIOA3 AD3 IR 19 GPIOC0 PWM...

Page 55: ... 02 GND 02 GND 02 GND 02 3V3 GND 02 KEYBOARD R146 4 7K SW6 ZSW 012 1 2 3 4 R149 3 3K SW7 ZSW 012 1 2 3 4 SW3 ZSW 012 1 2 3 4 R152 10K CON34 BASE 3P 2 0mm 1 2 3 SW5 ZSW 012 1 2 3 4 R148 1 5K R151 18K G1 SW4 ZSW 012 1 2 3 4 C278 0 1uF G2 C245 100uF 16V 1 2 R150 6 8K SW2 ZSW 012 1 2 3 4 KEYPAD BOARD PCB 654 7A TH 32LRT12 Keypad Schematic Diagram TH 32LRT12 Keypad Schematic Diagram ...

Page 56: ...R L_OUT EAR R_OUT AV2 L_IN EAR L_OUT EAR R_OUT AV2 R_IN GND 01 GND 01 GND 01 GND 01 AV3 PHONE P1 PHONE 1 1 2 2 3 3 4 4 5 5 6 6 7 7 R153 0 NC G1 1 2 3 4 GND GND LEFT RIGHT GND Video CON32 1S3RCA JACK 1 1 2 2 3 3 4 4 7 7 8 8 10 10 11 11 13 13 14 14 5 5 6 6 15 15 9 9 12 12 16 16 17 17 CON33 BASE 14P 2 0mm 1 2 3 4 5 6 7 8 9 10 11 12 13 14 G2 AV3 BOARD PCB 654 8 TH 32LRT12 AV3 Board Schematic Diagram T...

Page 57: ...V3 PHONE AV3 KEYBOARD P1 PHONE 1 1 2 2 3 3 4 4 5 5 6 6 7 7 SW5 ZSW 012 1 2 3 4 CON33 BASE 14P 2 0mm 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R149 3 3K C245 100uF 16V 1 2 R152 10K R151 18K 1 2 3 4 GND GND LEFT RIGHT GND Video CON32 1S3RCA JACK 1 1 2 2 3 3 4 4 7 7 8 8 10 10 11 11 13 13 14 14 5 5 6 6 15 15 9 9 12 12 16 16 17 17 G2 G1 SW7 ZSW 012 1 2 3 4 R148 1 5K CON34 BASE 3P 2 0mm 1 2 3 C278 0 1uF R150 6 8...

Page 58: ...0 1uF J2 HEADER 5 1 2 3 4 5 C3 0 1uF C4 0 1uF J1 RS232 MALE 5 5 4 4 3 3 2 2 1 1 9 9 8 8 7 7 6 6 11 11 10 10 TP1 TEST POINT 1 C2 0 1uF C5 0 1uF TP2 TEST POINT 1 U1 SN75C3232E C1 1 V 2 C1 3 C2 4 C2 5 V 6 T2out 7 R2IN 8 Vcc 16 GND 15 T1out 14 R1IN 13 R1out 12 T1IN 11 T2IN 10 R2out 9 RS232 BOARD PCB 657 1B UART TH 32 37LRT12 RS232 Board Schematic Diagram TH 32 37LRT12 RS232 Board Schematic Diagram ...

Page 59: ...1 2 CON42 BASE 7P 2 0mm 90 6 5 4 3 2 1 7 RA1 820 1 2 SW1 ZSW 012 1 2 3 4 Z37 NC HZK7A 2 1 G2 C591 0 1uF 1 2 RA3 680 1 2 C592 220UF 6 3V 1 2 G7 1 1 C590 NC 10UF 16V 1 2 R530 NC 4K7 1 2 Z39 NC HZK7A 2 1 Z36 NC HZK7A 2 1 R512 33K 1 2 R1 330 R509 NC 10K 1 2 C589 0 1uF 1 2 R531 0 1 2 RA5 0 1 2 QA2 2SC2411 2 3 1 G3 R503 0 1 2 R504 12K 1 2 Z38 HZK3C 2 1 G5 1 1 G4 QA1 2SC2411 2 3 1 RA6 0 1 2 RA2 3K3 1 2 G...

Page 60: ... 32LRT12U A TH 37LRT12U M A 12 22 Power Board Schematic Diagram 1 2 for TH 32LRT12U A POWER BOARD OPVP 0071 1 2 TH 32TLRT12U A Power Board Schematic Diagram TH 32LRT12U A Power Board Schematic Diagram N FG L ...

Page 61: ... TH 32LRT12U A TH 37LRT12U M A 12 23 Power Board Schematic Diagram 2 2 for TH 32LRT12U A POWER BOARD OPVP 0071 2 2 TH 32TLRT12U A Power Board Schematic Diagram TH 32LRT12U A Power Board Schematic Diagram ...

Page 62: ...62 TH 32LRT12U A TH 37LRT12U M A 12 24 Power Board Schematic Diagram for TH 37LRT12U M A POWER BOARD 0647 D TH 37LRT12U M A Power Board Schematic Diagram TH 37LRT12U M A Power Board Schematic Diagram ...

Page 63: ...63 TH 32LRT12U A TH 37LRT12U M A 13 Printed Circuit Board 13 1 Main PCB Component Side A B C D E F G H I 1 2 3 4 5 6 Main Main Main Board TH 32LRT12U A Main Board TH 37LRT12U M A ...

Page 64: ...64 TH 32LRT12U A TH 37LRT12U M A 13 2 Main Board Foil Side A B C D E F G H I 1 2 3 4 5 6 Main Main Main Board TH 32LRT12U A Main Board TH 37LRT12U M A ...

Page 65: ...W and Keypad Board A B C D E F G H I 1 2 3 4 5 6 KEY BOARD COMPONENT SIDE PCB 654 7A AV3 KEY BOARD FOIL SIDE PCB 654 2 TH 37LRT12 AV3 KEY BOARD COMPONENT SIDE PCB 654 2 TH 37LRT12 KEY BOARD FOIL SIDE PCB 654 7A TH 37LRT12 TH 32LRT12 KEY AV3 KEY ...

Page 66: ... 1 2 3 4 5 6 AV3 BOARD COMPONENT SIDE PCB 654 8 TH 32LRT12 AV3 BOARD FOIL SIDE PCB 654 8 TH 32LRT12 TH 37LRT12 TH 32LRT12 RS232 BOARD COMPONENT SIDE PCB 657 1B RS232 BOARD FOIL SIDE PCB 657 1B IR BOARD COMPONENT SIDE PCB 657 2A IR BOARD FOIL SIDE PCB 657 2A RS232 IR AV3 RS232 IR ...

Page 67: ...67 TH 32LRT12U A TH 37LRT12U M A 13 5 Power Board Top Side A B C D E F G H I 1 2 3 4 5 6 Power TH 32LRT12U A Power TH 37LRT12U M A Power Board for TH 32LRT12U A Power Board for TH 37LRT12U M A ...

Page 68: ...68 TH 32LRT12U A TH 37LRT12U M A 13 6 Power Board Bottom Side A B C D E F G H I 1 2 3 4 5 6 Power TH 32LRT12U A Power TH 37LRT12U M A Power Board for TH 32LRT12U A Power Board for TH 37LRT12U M A ...

Page 69: ...RT12U M A 14 Exploded View and Replacement Parts List 14 1 Exploded View and Mechanical Replacement Parts List TH 32LRT12U A Please click the radio button for Diagrams ll Parts List on the menu bar 2 4 6 3 7 5 1 Explode View ...

Page 70: ...70 TH 32LRT12U A TH 37LRT12U M A Carton Box 100mm Front 8 Accessories and Packing ...

Page 71: ...00048 LCD PANEL 1 5 TTL4CM029 PEDESTAL ASSY 1 TBL4CM011 01 BASE COVER 1 TKR4CM050B A STAND HOLDER 2 TUX4CM152 BASE PLATE 1 TKX4CM053 ROTATE PLATE 1 TKX4CM050 ROTATE SHAFT T 1 TKX4CM051 ROTATE SHAFT B 1 TUX4CM151 PLATE 1 TUX4CM155 BASE ANGLE 1 TMK4CM209 01 BASE GUM 3 XYN4 F8FN SCREW 4 XTS4 8GFN SCREW 8 XYN4 F15FZ SCREW 2 XTB4 8GFN SCREW 2 6 TTU4CM041 BACK CABINET UNIT 1 TKU4CM037A BACK COVER 1 TMK4...

Page 72: ...72 TH 32LRT12U A TH 37LRT12U M A 14 2 Exploded View and Mechanical Replacement Parts List TH 37LRT12U M A 2 4 6 3 5 1 7 Model No TH 37LRT12U M A Explode View ...

Page 73: ...73 TH 32LRT12U A TH 37LRT12U M A Carton Box 100mm Front 8 Accessories and Packing ...

Page 74: ...M028 PEDESTAL ASSY 1 TKR4CM055 STAND BASE 2 TBL4CM010 C BASE COVER 1 TUX4CM150 BASE PLATE 1 TKX4CM049 ROTATE PLATE 1 TKX4CM050 ROTATE SHAFT T 1 TKX4CM051 ROTATE SHAFT B 1 TUX4CM151 PLATE 1 TUX4CM155 BASE ANGLE 1 TMK4CM119 02 BASE GUM 4 TMK4CM209 BASE GUM 4 XYN4 F10FZ SCREW 6 XTS4 8GFN SCREW 5 XYN4 F15FZ SCREW 2 XTB4 8GFN SCREW 2 6 TTU4CM038 BACK CABINET UNIT 1 TKUM039A 01 BACK COVER 1 TKP4CM083 SD...

Page 75: ...75 TH 32LRT12U A TH 37LRT12U M A 14 3 Electrical Replacement Parts List 14 3 1 Replacement Parts List Notes J 5 K 10 M 20 Z 80 20 ...

Page 76: ...1CWD3 E 10UF M 16V 1 C185 189 104K0603 C 0 1UF K 50V 5 C19 CKO 103K0603 C 0 01UF K 50V 1 C190 191 104K0603A C 0 1UF K 50V 2 C192 106M1CWD3 E 10UF M 16V 1 C193 104K0603A C 0 1UF K 50V 1 C194 106M1CWD3 E 10UF M 16V 1 C195 197 104K0603A C 0 1UF K 50V 3 C198 106M1CWD3 E 10UF M 16V 1 C199 104K0603A C 0 1UF K 50V 1 C20 CKO 103K0603 C 0 01UF K 50V 1 C200 106M1CWD3 E 10UF M 16V 1 C201 104K0603A C 0 1UF K ...

Page 77: ...F 50V 2 C542 545 CDO 470J0603 C 47PF 50V 4 Safety Ref No Part No Part Name Description Pcs Remarks C549 552 CKO 471K0603 C 470PF 50V 4 C555 556 CKO 471K0603 C 470PF 50V 2 C557 106M1H1UT1 E 10UF 50V 1 C559 106M1H1UT1 E 10UF 50V 1 C6 CDO 330J0603 C 33PF 50V 1 C65 106M1CWD3 E 10UF 16V 1 C66 77 104K0603A C 0 1UF K 50V 12 C78 79 106M1CWD3 E 10UF M 16V 2 C8 106M1CWD3 E 10UF M 16V 1 C80 81 104K0603A C 0 ...

Page 78: ...RCA 183J9GW M 18K OHM J 1 Safety Ref No Part No Part Name Description Pcs Remarks R206 RCA 330J9GW M 33 OHM J 1 R207 208 RCA 103J9GW M 10K OHM J 2 R209 RCA 330J9GW M 33 OHM J 1 R21 RCA 220J9GW M 22 OHM J 1 R210 212 RCA 103J9GW M 10K OHM J 3 R214 RCA 220J9GW M 22 OHM J 1 R217 RCA 103J9GW M 10K OHM J 1 R219 220 RCA 103J9GW M 10K OHM J 2 R221 RCA 220J9GW M 22 OHM J 1 R223 224 RCA 103J9GW M 10K OHM J ...

Page 79: ...7K OHM J 1 R52 RCA 103J9GW M 10K OHM J 1 R520 RCA 473J9GW M 47K OHM J 1 R521 522 RCA 750J9GW M 75 OHM J 2 Safety Ref No Part No Part Name Description Pcs Remarks R523 524 RCA 330J9GW M 33 OHM J 2 R53 RCA 103J9GW M 10K OHM J 1 R530 531 RCA 330J9GW M 33 OHM J 2 R535 RCA 0R0J9GW M 0 OHM J 1 R537 RCA 0R0J9GW M 0 OHM J 1 R539 RCA 330J9GW M 33 OHM J 1 R54 RCA 103J9GW M 10K OHM J 1 R540 RCA 103J9GW M 10K...

Page 80: ... Name Description Pcs Remarks Safety Ref No Part No Part Name Description PCS Remarks R101 103 211107503M M 750K OHM F 3 R110 211113002F M 30K OHM F 1 R111 211200300F M 30 OHM J 1 R115 211200300F M 30 OHM J 1 R116 211200330F M 33 OHM J 1 R112 113 211200100F M 10 OHM J 2 RS232 PCB TH 32LRT12U A TH 37LRT12U M A Safety Ref No Part No Part Name Description PCS Remarks C1 5 CKO 104K0603 C 0 1UF 50V 5 U...

Page 81: ...0 OHM J 1 R513 211110102M M 1K OHM F 1 R514 211210103M M 10K OHM F 1 R515 211210222M M 2 2K OHM J 1 R524 211210622M M 6 2K OHM J 1 Safety Ref No Part No Part Name Description PCS Remarks R601 603 211200332F M 3 3K OHM J 3 R605 211210363M M 36K OHM J 1 R606 211200510F M 51 OHM J 1 R607 211200100F M 10 OHM J 1 R609 21L4280088F M 0 08 OHM J 1 R609 321207025 TUBE 1 R610 612 211104703M M 470K OHM F 3 R...

Page 82: ...H0028 TRANSISTOR 1 Q507 2441AH0010 TRANSISTOR 1 Q508 2441AH0011 TRANSISTOR 1 Q601 2427N0030 MOSFET 1 Q602 2441AH0037 TRANSISTOR 1 Q603 2427N0030 MOSFET 1 Q604 2441AH0038 TRANSISTOR 1 U101 2510N0089 IC 1 U201 2545T0008 IC 1 U501 2510AE0045 IC 1 U601 2510AE0098 IC 1 PC101 102 2522AP0005 OPTO COUPLER 1 Safety Ref No Part No Part Name Description PCS Remarks PC104 105 2522AP0005 OPTO COUPLER 1 IC201 2...

Page 83: ...X37VGL1J A SPEAKER L WIRE 1 for 37 VSX37VGL1K A SPEAKER R WIRE 1 for 37 VSX32LRT1M A RS232 5P LINE 1 VSX37LRT1N A HDMI CABLE 1 for U type VSX37LRT1O A GND WIRE 2 for 37 VSX32B101A A LVDS CABLE 1 for 32 VSX32LRT1B A INVERTER WIRE 1 for 32 VSX32VGL1D A 14P FRONT AV WIRE 1 for 32 VSX32LRT1E A 3P KEY WIRE 1 for 32 VSX32VGL1F A 6P IR WIRE 1 for 32 VSX32LRT1G A 5P AUDIO OUT WIRE 1 VSX32VGL1H A 4P AUDIO ...

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