Panasonic TH37LRU20 - HOSPITALITY LCD HDTV Service Manual Download Page 22

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TH-42LRU20

9.2.

Block (1 of 2) Diagram

NEED HOLDER

HOT

COLD

HOT

COLD

STB5.8V

STB5V

STB5.8V

D5424

SUB3.3V

JK9001

D5422 D5423

T9001

DTV12V

SUB1.2V

DTV12V

D5421

SUB1.8V

FE1.2V

5.8V

R2768

D5425

D5420

D004

F001

D151

D501

D016

D005

L005

D106

D451,452

P17V

+5V

BL_SOS

INV_ON

VCC

AV1_L

RTB

CHANGE

POWER SUPPLY

AV2_L

TXD

RXD

SUB_ON

TV_DATA_OUT

ANT IN

IF_AGC

AV3_V

1.2V

AV1_R

DIGITAL SIGNAL PROCESSOR

TUNER5V

JK3301D

(SIDE)

LVDS DATA

INV_PWM

KEY

L/R

IIC_TU

OPERATION

BUTTON

TUNER

AV SW

IC5600

IC9001

BUFFER

IC9008

IC3000

STBM5V

Q9003

+1.2V

AV1_PR

DTV

PC-B

SOUND17V

TV_DATA_IN

DIGITAL

DEMODULATOR

IC5200

TV_CLK

JK3300

ATSC

DEMODURATOR

TV_IR

IC8303

IC8300

5.8V

PC-G

AV1

AV3_R

JK3304A

AV1_Y

A09

MPU

IC9005

FSK SW

IC9007

14V

RELAY

SUB+3.3V

DTV12V

IC5416

IC9006

CONTROL PANEL

ASSY

FSK

RECEIVER

IFD2

PC-H

PC-R

IC9004

AV2_V

INTERNAL TA

DTV12V

AV2

A02

5.8VS

BL_SOS

IC5220

STB5V

AV3_L

+3.3V

COMPONENT

SUB9V

AV1

L/R

SUB_ON

KEY3

OVP DET

Q4770,71

PC-V

IIC_TU

AV1_PB

IIC2

+5V

FS5V

IC9002

BUFFER

MAIN OUT

BAND

PASS

FILTER

+1.8V

TA5

VCC

AV2_R

IIC_PRO

DCDC_CTL

IFD1

COMPONENT

IC9012

Y/PB/PR,

R/G/B/H/V

CVBS

IC8304

MPF5V

IC5601

IC9010

SUB5V

12V

INV_PWM

IC9011

SUB_ON

INV_ON

TU8300

Q361

D001

IC151

24V

PHOTO COUPLER

LIVE

IC251

PHOTO COUPLER

RESONANCE

PC301

Q362

T101

POWER

CONTROL

IC101

Q351

FEED BACK

12V

CONTROL

NEUTRAL

T401

PC302

Q301

Q171

D002

D003

Q161

Q410,Q412

Q001

L001

Q302

CONTROL

17V

+5V

VCC

PHOTO COUPLER

IC801

FEED BACK

PHOTO COUPLER

12V

MAIN ON

L002

IC261

PC101

RECTIFIER

Q364

PFC ON

PC401

LINE

FILTER

AC CORD

+5V

PFC

PHOTO COUPLER

RESONANCE

OVP

STB ON

RELAY

RUSH ON

Q702

Q703

T4AL AC250V

RL001

Q420

RL002

Q401

POWER

C420

DET

IC451

12V

DET

RELAY

MAIN ON

PC701

Q363

LVDS DATA

VCC12V

PANEL

(RxB_0-3)

BL_SOS

(RxA_0-3)

CONTROL

A15A

BACK LIGHT

PANEL

INVERTER

CIRCUIT

INV_PWM

LCD PANEL

LVDS DATA

INV_ON

JK9002

JK9003

PANEL_VCC_ON

PANEL 12V

HOT

COLD

HOT

COLD

TV_IR

TV_DATA_OUT

LN_REG_ON

STB5.8V

TV_DATA_IN

TV_CLK

LN_REG_ON

TV_IR

TV_CLK

TV_DATA_IN

TV_DATA_OUT

IF_AGC

IFD_OUT1

SIF

IFD_OUT2

Y/C/V

L/R

R/G/B/H/V

DVB_CVBS

SUB9V

L/R

Y/PB/PR

V
SUB5V

L/R

Summary of Contents for TH37LRU20 - HOSPITALITY LCD HDTV

Page 1: ...rvice Mode 8 5 2 SRV TOOL 9 5 3 Hotel mode 10 5 4 Data Copy by SD Card 11 6 Troubleshooting Guide 14 6 1 Check of the IIC bus lines 14 6 2 Power LED Blinking timing chart 15 6 3 No Power 15 7 Disassembly and Assembly Instructions 16 7 1 Removal of Rear Cover 16 7 2 Removal of Pedestal Assy 16 7 3 Removal of AC Cord 16 7 4 Removal of Control Panel Assy 16 7 5 Removal of P Board 16 7 6 Removal of TA...

Page 2: ...35 11 10 A Board 9 of 19 Schematic Diagram 36 11 11 A Board 10 of 19 Schematic Diagram 37 11 12 A Board 11 of 19 Schematic Diagram 38 11 13 A Board 12 of 19 Schematic Diagram 39 11 14 A Board 13 of 19 Schematic Diagram 40 11 15 A Board 14 of 19 Schematic Diagram 41 11 16 A Board 15 of 19 and V Board Schematic Diagram 42 11 17 A Board 16 of 19 Schematic Diagram 43 11 18 A Board 17 of 19 Schematic D...

Page 3: ... 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 the reading should be between 1Mohm and 5 2Mohm When the exposed metal does not have a return path to the chassis the reading must be Figure 1 1 1 2 Leakage Current Hot Check See Figure 1 1 Plug the AC cord ...

Page 4: ...posure 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 Do not re...

Page 5: ...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 Pb sol d...

Page 6: ...h MPU Non serviceable TA Board should be exchanged for service A Board Speaker out AV Terminal HDMI in SD Card PC in Digital Signal Processor Peaks sLD Tuner V Board Remote Receiver LED P Board Power AC DC DC DC Non serviceable P Board should be exchanged for service Control Panel Assy Control Button Power switch Non serviceable Control Panel Assy should be exchanged for service ...

Page 7: ...IDEO RCA PIN Type 1 1 0 V p p 75 ohm AUDIO L R RCA PIN Type 2 0 5 V rms COMPONENT IN Y 1 0 V p p including synchronization PB PR 0 35 V p p AUDIO L R RCA PIN Type 2 0 5 V rms HDMI 1 3 TYPE A Connector 3 PC D SUB 15PIN R G B 0 7 V p p 75 ohm HD VD 1 0 5 0 V p p high impedance SERIAL CTRL M3 Jack 1 RS232C DATA MTI RJ 11C 6pin Multiple Television Interface MTI Nintendo Controller Power pin3 DC12V 30m...

Page 8: ...tton Main items Selection in forward direction 2 button Main items Selection in reverse direction 3 button Sub items Selection in forward direction 4 button Sub items Selection in reverse direction VOL button Value of sub items change in forward direction in reverse direction 5 1 4 Contents of adjustment mode Value is shown as a hexadecimal number Preset value differs depending on models After ent...

Page 9: ...ept 2nd and 1st occurrence after shipment will be cleared by Self check indication and forced to factory ship ment setting 5 2 3 POWER ON TIME COUNT Note To display TIME COUNT menu highlight position then press MUTE for 3 seconds Time Cumulative power on time indicated hour minute by decimal Count Number of ON times by decimal Note This indication will not be cleared by either of the self checks o...

Page 10: ...I 1 3 Component Video1 2 PC Initial channel Sets the channel at power on Initial volume Sets the volume level at power on 0 100 Does not operate when control from TA to the TV is prohibited Max volume Sets the maximum volume level 0 100 OSD Ctrl Limits the OSD display Off Pattern1 Pattern 1 Recall and Shut off notification messages are not displayed at power on Also displayed when Pattern 1 is spe...

Page 11: ...ther TVs 5 4 2 Preparation Make pwd file as startup file for a or b in a empty SD card 1 Insert a empty SD card to your PC 2 Right click a blank area in a SD card window point to New and then click Text Document A new file is created by default New Text Document txt 3 Right click the new text document that you just created and select rename and then change the name and extension of the file to the...

Page 12: ...t a following password for a or b by using remote control a For Board replacement 2770 b For Hotel 4850 Data will be copied from TV set to SD card It takes around 2 to 6 minutes maximum for copying 4 After the completion of copying to SD card remove SD card from TV set 5 Turn off the TV set Note Following new folder will be created in SD card for data from TV set a For Board replacement user_setup...

Page 13: ...ll be copied from SD card to TV set 4 After the completion of copying to SD card remove SD card from TV set a For Board replacement Data will be deleted after copying Limited one copy b For Hotel Data will not be deleted and can be used for other TVs 5 To save Data and exit press and hold the TV s POWER button for 10 seconds or more then release Note 1 Depending on the failure of boards function o...

Page 14: ...main unit press OK button on the remote control for more than 3 seconds Self check indication and forced to factory shipment setting Produce TV reception screen and while pressing VOLUME button on the main unit press MENU button on the remote con trol for more than 3 seconds 6 1 3 Exit Disconnect the AC cord from wall outlet or press and hold the TV s POWER button for 10 seconds or more 6 1 4 Scre...

Page 15: ... the protection circuit operates and resets to the stand by mode At this time the defective block can be identified by the number of blinks of the Power LED on the front panel of the unit 6 3 No Power First check point There are following 2 states of No Power indication by power LED 1 No lit 2 Red is lit then turns red blinking a few seconds later See 6 2 ...

Page 16: ... 4 screws and then remove the Pedestal Assy 7 3 Removal of AC Cord 1 Disconnect the connector P1 2 Remove the AC Cord from the AC Cord Bracket 7 4 Removal of Control Panel Assy 1 Remove 2 screws and then remove the Control Panel Assy 2 Disconnect the connector K1 7 5 Removal of P Board 1 Disconnect the connectors P1 P2 P3 P4 2 Remove 7 screws and then remove P Board 7 6 Removal of TA Board 1 Remov...

Page 17: ...t 7 8 Removal of A Board 1 Remove the Side AV Bracket Refer to Removal of Side AV Bracket 2 Remove 1 screw 3 Remove 3 screws and then remove the A Board Shield Top 4 Remove the analog digital tuner cable from A Board 5 Disconnect the connectors A02 A5 A09 A10 A12 A15A 6 Remove 6 screws and then remove A Board 7 9 Removal of Speaker Unit L R 1 Connected terminal hook is pushed and the speaker lead ...

Page 18: ... LED Panel from V Board 9 Disconnect the connector V10 7 11 Removal of LCD Panel and Cabinet Assy 1 Remove the Pedestal Assy Refer to Removal of Pedestal Assy 2 Remove the Control Panel Assy Refer to Removal of Control Panel Assy 3 Remove the Metal Bracket Block and the Speaker Unit L R Refer to Removal of V Board 4 Remove 4 screws and then remove the Speaker Bracket L R 5 Remove the Panel LVDS Ba...

Page 19: ...19 TH 42LRU20 9 Remove 1 screw and then remove the V Board Block from the Cabinet Assy ...

Page 20: ...B9V TP5220 8 82 9 18 STB5V TP5400 4 9 5 1 Instrument Name Remarks 1 REMOTE TRANSMITTER 2 Ex Signal Sprit color bar Adjustment or Inspection Procedure Remarks procedure 1 Receive the Sprit color bar Screen mode ZOOM or FULL Picture mode DYNAMIC AI OFF AI Picture OFF BACK LIGHT 30 Inspection 1 Enter Service mode and go to ADJUST CONTRAST to adjust the picture level Volume UP DOWN key makes GAIN disp...

Page 21: ...V_ON R G B H V PWM REMOTE RECEIVER V HDMI I F 5 8V REMOTE RECEIVER HP TS Parallel OPTICAL BL_SOS D Chip V TA5 STB5 8V SIF MTI MTI DATA STB 3 3V TV DATA OUT TV CLK IR RECEIVER COMPONENT V L R BL_SOS SPEAKER L ANALOG ASIC Y PB PR R G B H V CVBS OPTICAL OUT AUDIO SIDE HDMI3 L EEPROM DTV12V Y PB PR SD CARD DATA EEPROM AUDIO PROCESSOR SUB_ON SUB_ON TS Parallel C A T S SENSOR OPERATION BUTTON SOUND17V V...

Page 22: ...PC FS5V 4 IC9002 3 BUFFER MAIN OUT 7 BAND PASS FILTER 1 8V TA5 VCC AV2_R 5 IIC_PRO DCDC_CTL IFD1 COMPONENT IC9012 Y PB PR R G B H V CVBS IC8304 MPF5V IC5601 IC9010 SUB5V 12V INV_PWM TV IC9011 SUB_ON INV_ON 1 2 TU8300 5 Q361 D001 IC151 24V P3 PHOTO COUPLER 9 LIVE IC251 14 PHOTO COUPLER RESONANCE PC301 14 Q362 4 T101 13 7 POWER CONTROL IC101 P2 Q351 FEED BACK 12V CONTROL 1 NEUTRAL T401 PC302 Q301 Q1...

Page 23: ...02 CLK SERIAL I F SOUND17V OUT SD DATA NAND I F SPEAKER_L SW_OFFDET HDMI 5V DET1 IC5000 CPU BUS I F SOS DET sLD_IIC1 OPTICAL AUDIO OUT STB RESET IC5604 DCDC CTL Y PB PR R G B H V CVBS SPDIF OUT L 16kbit TMDS DATA CLOCK IC9980 EEPROM IIC2 SUB5V DET 4 JK3351 JK4701 IC2301 IC5603 3 3V PWM READY TS Parallel X IN DTV_L TMDS DATA CLOCK SOUND 17V IC8950 EEPROM DIGTAL R SD CARD TMDS DATA CLOCK SD I F sLD_...

Page 24: ...TH 42LRU20 24 ...

Page 25: ...25 TH 42LRU20 10 Wiring Connection Diagram 10 1 Wiring ...

Page 26: ...26 TH 42LRU20 ...

Page 27: ...TH 42LRU20 27 11 Schematic Diagram 11 1 Schematic Diagram Notes ...

Page 28: ...k R0949 4 7k R0942 68 R0946 22 R0982 22 R0987 22 R0951 22 R0957 1k R0983 22 R0968 4 7k R0958 22 R0967 4 7k R0901 68 R0972 22 R0948 4 7k R0976 22 R0985 4 7k R0950 22 R0986 22 R0943 68 R0945 68 R0979 22 R0984 4 7k R0970 22 R0981 4 7k R0947 22 R0978 22 R0941 68 R0944 68 R0977 22 R0910 10k R0940 68 R0905 10k R0900 68 R0911 10k AV SW R2A11014FT Pro Idiom STM A Chip Adjustment Connector T CON CN0100 Dev...

Page 29: ...V18 VDD12 IC8001 V19 VDD12 IC8001 V20 VDD12 IC8001 V21 VDD12 IC8001 V22 VDD12 IC8001 V23 VDD12 IC8001 V24 VDD12 IC8001 V31 VDD12 IC8001 V32 VDD12 IC8001 V33 VDD12 IC8001 V34 VDD12 IC8001 W11 TESTIOH IC8001 W12 VSS IC8001 B16 AXI IC8001 W14 VDD12 IC8001 W15 VDD12 IC8001 W16 VDD12 IC8001 W17 VDD12 IC8001 W18 VDD12 IC8001 W19 VDD12 IC8001 W20 VDD12 IC8001 W21 VSS IC8001 W22 VSS IC8001 W23 VSS IC8001 ...

Page 30: ...TMTIME1 IC8001 AN25 STMTIME4 IC8001 AN24 STMADIN0 IC8001 AN23 PWM0LN IC8001 AN22 PWM1RN IC8001 AN21 MUTEB IC8001 AN20 USBDN IC8001 AN19 SDDAT1 IC8001 AN18 SDCMD IC8001 AN17 CH0DATA IC8001 AN16 SDA1 IC8001 AN15 CH1PSYNC IC8001 AN14 CH0VAL IC8001 AN13 XDTR0 IC8001 AN12 XDSR0 IC8001 AN11 SBI1 IC8001 A28 IECIN IC8001 AP23 PWM0LP IC8001 AP22 PWM1RP IC8001 AP21 NSHUTDOWN IC8001 AP20 USBDP IC8001 AP19 SD...

Page 31: ...470 10k R8642 68 R8638 10k C C1041 1000p 50V C1042 1000p 50V C1043 1000p 50V R8856 47k SUB3 3V Hi Z Hi Z Hi Z int PD int PD PCDOE PCWAIT PCOE PCWE PCCD1 PCIORD PCREADY int PD PCIOWR PCCE1 PCRESET PORT15 4 Hi Z Hi Z Hi Z PORT9 0 PORT9 1 PORT9 2 Hi Z PORT9 3 Hi Z Hi Z SDBOOT PORT14 2 Hi Z Hi Z Hi Z FE0_TS_Parallel Hi Z HSDIN1 HSDIN5 HSDIN4 Hi Z HSBCLKIN Hi Z Hi Z Hi Z Hi Z Hi Z Hi Z HSSYNIN HSDIN3 H...

Page 32: ...3 3V VJ8850 VJ8858 R8952 VJ8864 TP8855 TP8853 TP8856 TP8854 TP8850 TP8862 TP8858 TP8863 TP8859 TP8857 TP8860 SDCLK SDCD AB_NANDRYBY XIRQ3 SDWP SDDAT0 ED8 AA_ED3 AA_ED4 AA_ED2 AA_ED3 AA_ED1 SDDAT2 PEAKS EEP_SDA ED5 SDDAT1 AA_ED15 AA_ED4 ED11 AA_ED9 ED14 AA_ED7 ED13 AA_ED0 SDOUT0 AA_EA24 AA_ED8 SDCMD AA_ED11 AA_ED13 AA_ED12 AA_ED5 AA_ED1 ED6 ED12 NFALE ED4 ED1 XNFRE ED10 AA_ED6 XNFCE AA_ED10 ED2 EA2...

Page 33: ...ANEL_LED_ON SG FACT PG MAIN_FAN_ON SP_LED_ON PG LCD_EEP_WP PG FAN_SOS FV_STS PG FAN_MAX SP_LED_DIM SG DTV_XRST SG MON_MUTE SG SP_HP_MUTE SG DTV_XRST SG MON_MUTE SG SP_HP_MUTE SG TV_SUB_ON SG TV_SUB_ON SG TV_SUB_ON SG SUB5V SUB12V_SENSE SG SUB3 3V_SENSE PG TV_MAIN_ON SG SOS SG SRQ_GENX SG HDMI_5V_DET2 SG HDMI_5V_DET2 SG HDMI_5V_DET1 SG HDMI_5V_DET0 SG DDCSCL2 SG DDCSDA2 SG DDCSCL1 SG DDCSDA1 SG DDC...

Page 34: ...0 RX1M1 RXCM2 RX2M0 RX1M2 DDCSCL1 RX2M2 RXCP1 RX0P0 RX1M0 RX2M1 STMHPD2 RX2P0 RX1P1 STMDDCSCL0 STMDDCSCL2 STMDDCSCL1 STMGPIO7 DDCSDA2 STMGPIO9 DDCSDA1 STMDDCSDA1 STMDDCSDA0 STMDDCSDA2 STMGPIO8 DDCSDA0 Q4702 B1ABCF000231 Q4700 B1ABCF000231 Q4704 B1ABCF000231 R4744 68 R4703 33 R4745 68 R4725 47k R4716 33 R4704 47k R4749 68 R4751 68 R4738 47k R4721 10k R4746 68 R4734 10k R4740 68 R4741 68 R4717 47k R...

Page 35: ... C4667 6 3V 1u C4665 6 3V 1u C4660 6 3V 1u HIN FBL1 VIN R4672 33 R4655 22 R4676 1k R4668 33 R4666 33 R4663 22 R4670 33 R4651 22 R4659 22 R4677 1 2k RGB_FB RGB_FB A BOARD TXN A11PDUS 8 19 AD Buffer TO 2 19 Peaks Common AVSW TO 11 19 AVSW_R027PIN_FBOUT TDET10 VIN HIN MAIN_PR MAIN_PB C MAIN_Y CVBS RGB_CVBS B1N G1 R1N V1N G1N R1 V1 B1 PR PB C YIN RGB_CVBS PR PB C YIN 68 72 70 64 71 66 67 69 65 ...

Page 36: ...2323 0 Q2301 DSC2001S0L R2305 R2322 0 LIN5_RP LO1_R TP2302 C2318 0 1u 50V C2315 10u 25V R2102 4 7k C2110 16V 0 1u R2303 10 NORMAL AUDIO AMP TO SPEAKER SIF I F TO 18 19 TO 11 19 AVSW MON_R OUT MON_L OUT sLD STMSBT0 MUTE NORMAL SOS A BOARD TXN A11PDUS 9 19 R Analog Audio In I F L AUDIO AMP R TO 11 19 TO 11 19 TO 6 13 L Monitor R TO 2 19 TO 13 19 TUNER AUDIO I F MUTE OPERATE Analog ASIC Monitor L Pea...

Page 37: ...126 68 D3353 B0BC01600013 C3158 10V 1u D3350 B0BC01600013 C3159 10u 10V R3226 C3161 10u 10V C3153 50V 560p AVSW_R099PIN_BIN AVSW_R003PIN_RIN R3189 220 TP3352 C3150 10V 1u R3192 82 R3193 82 R3103 75 R3194 330 C3106 50V 560p R3196 82 AVSW_R079PIN_CVBSIN6 C3354 0 1u 16V R3357 100 C3116 10V 10u JS3103 C3351 0 1u 16V AVSW_R097PIN_PRIN1 AVSW_R002PIN_HDIN C3149 10V 1u JK3304A 1 2 3 4 5 6 7 8 9 10 11 12 1...

Page 38: ...0 R3013 220 AVSW_R063PIN_R3IN R3010 0 C3019 16V 0 1u COMPONENT TO 10 19 TO 3 19 TO 8 19 AV1 V IN AUDIO OUT E_AV1_VOUT TO 18 19 DVB PC AV SW RF SP OUT AVSW AV1 A IN AV2 A IN AUDIO AMP TO 10 19 AD Buffer TO 9 19 IIC TO 10 19 YPbPr IN TO 2 9 19 AUDIO OUT TO 1 19 A TNR Sheet E_AV2_VOUT A BOARD TXN A11PDUS 11 19 AV2 V IN RF CVBSin6 VCC9V CVBSin5 T_DET9 Yin4 T_DET8 Cin4 VCC5V PBin2 B3 L3_DET2 CYin2 G3 T...

Page 39: ...P4832 TP4850 TP4855 TP4875 TP4828 TP4878 EA11 LOSDOUT4 LOSDOUT5 STMSBT0 R4858 EXB28VR000X R4817 EXB28VR000X R4812 EXB28VR000X R4815 EXB28VR000X R4845 EXB28VR000X R4813 EXB28VR000X R4816 EXB28VR000X R4814 EXB28VR000X R4857 EXB28VR000X R4846 EXB28VR000X R4993 1k R4853 0 R4202 0 R4800 0 ERJ6GEY0R00V R4994 1k R4975 0 R4854 0 R4999 0 R4856 0 R4851 0 R4860 0 R4201 0 R4204 0 R4871 0 R4208 47k R4205 0 R48...

Page 40: ... 100 R5151 100 R5030 10k R5025 0 R5056 10k R5053 47k R5061 1k R5051 10k R5060 1k R5011 47k R5003 10k R5153 100 R5012 22k R5154 47 R5052 1M R5050 47k R5023 0 R5024 0 R5001 0 R5006 22k R5013 33k R5069 47k R5010 22k R5005 68 R5070 4 7k R5015 0 R5022 100 R5152 2 2k R5104 10k R5018 0 R5009 56k R5007 22k R5155 100 PWM9V INV_PWM 1 R9994 3k SUB3 3V IC9980 C1ZBZ0004127 1 SCL 2 GND 3 A1 4 VDD 5 A0 6 SDA TMP...

Page 41: ...R5622 24k R5305 0 R5640 10k R5301 0 R5642 100k R5247 470 1 2W C5221 25V 1u PNL_5V_12V L5412 D5422 B0BC010A0007 D5425 B0ACCJ000048 STB5 8V R5244 0 C5201 1u 25V MAIN_SND_17V C5477 1u 10V D5200 B0ACCJ000048 R5246 0 C5220 25V 1u C0DBGYY00895 IC5220 Vin 3 2 Vss Vout 1 TP5260 R5205 8 2k C5476 1u 10V D5421 B0ACCJ000048 D5420 B0BC01700015 C0DBGYY00281 IC5416 XC6204F502PR 1 NC 2 VSS 3 CE 5 VOUT 4 VIN R5206...

Page 42: ...OP_SCL2 DEVELOP_SDA1 DEVELOP_SDA0 DEVELOP_SCL1 Q2750 DSC200100L Q2751 DSC200100L R2792 10k R2821 0 R2764 47k R2752 0 R2771 10k R2795 100 R2763 47k R2789 10k R2818 0 R2788 47k R2785 100 R2766 0 R2762 2 2k R2753 0 R2761 100 R2760 100 R2786 100 R2791 10k TP2504 RM2500A B3RAD0000168 1 2 3 C2514 10u 10V R2515 120k C2505 0 1u 16V R2512 47 TP2500 VJ2500 TP2502 TP2506 TP2501 SN2500 B3JB00000078 1 IOUT 4 N...

Page 43: ...10 L23 J32 M12 CN AP34 1 AK32 11 AVDDHP VDDIO N11 1 AN33 12 M22 IC8001 LVVSS VDDAVAD IC8001 AJ31 23 IC8001 M1A1AVSS FUNC N31 FUNC L12 IC8001 M21 MVAVSS IC8001 CN 3 IC8001 LVVDD33 IC8001 AVSSA IC8001 AD19 IC8001 AVSSA 4 1 M20 AVSSHP AC20 AVSSV IC8001 TERM IC8001 IC8001 M23 CN AVSSV 3 3 AVSSHP IC8001 AVSSV 1 IC8001 11 P23 AC24 4 AVSSV IC8001 AD20 13 IC8001 AVDDH IC8001 6 IC8001 3 IC8001 5 CN M14 AK3...

Page 44: ...R5636 TP5601 TP5600 DCDC_CTL1 Q5601 B1MBEDA00015 S1 G1 S2 G2 D2 D2 D1 D1 Q5600 B1MBDDA00003 S1 G1 S2 G2 D2 D2 D1 D1 R5617 10 R5616 10 R5604 2k R5606 24k R5603 1 24k R5631 0 R5601 820 R5605 20k R5602 2 7k R5628 0 R2907 10k Q2900 DSA200100L R2903 56k D2901 B0ACCJ000048 R2908 560 D2902 B0ACCJ000048 R2902 10k D2900 B0JCCE000008 R2912 100 R2910 100 R2900 68 R2905 56k R2911 2 7M R2909 2 7M C2902 STB5V C...

Page 45: ..._XIRQ2 TPO_DATA6 TPO_DATA2 TPO_DATA5 TPO_DATA0 TPO_DATA4 FE0_MDO4 FE0_MDO2 FE0_MDO3 TPI_DATA7 FE0_MDO0 TPI_DATA6 TPI_DATA5 FE0_PSYNC TPI_DATA1 TPI_CLK FE0_MDO6 FE0_CLK TPI_DATA2 FE0_MDO1 TPI_DATA4 FE0_VAL TPI_DATA3 SIF FE0_MDO5 FE0_MDO7 TPI_VALID PRO_RST SYSCLK_IN TPI_DATA0 MAIN_RF_CVBS SG RF_AFT1 TPI_SYNC FE1_SCL FE1_SDA R8338 EXB28V470JX R8353 EXB28V470JX R8351 EXB28V470JX R8333 EXB28V470JX R833...

Page 46: ... NC IC8305 D1 NC IC8305 H5 NC IC8305 K14 NC IC8305 K15 NC IC8305 F8 GND IC8305 H7 VCC IC8305 H14 jtdi IC8305 L5 IC8305 L10 VCC IC8305 K7 VCC IC8305 H3 NC IC8305 F14 NC IC8305 F3 NC IC8305 K1 NC IC8305 C14 NC IC8305 G1 IC8305 T12 GND IC8305 L3 NC IC8305 C2 NC IC8305 R3 IC8305 G15 NC IC8305 F5 NC IC8305 N2 NC IC8305 F13 NC IC8305 N15 NC IC8305 M15 NC IC8305 R11 tpo_clk IC8305 K13 NC IC8305 A7 VCC IC...

Page 47: ...127 D4806 C4813 TD0900 C3154 R8325 TP5300 R8308 R8824 R4725 D4708 C1033 R8333 C2781 C2350 TP4817 D4706 R3350 R4889 L8003 D5425 R2314 IC8852 R8648 C8055 L5000 R4743 R3183 C8369 R4895 C8348 L8001 C8327 C8123 R4841 Q4807 C8862 C4704 C3150 L8013 L8005 R5617 C8125 TP2778 TP4833 C4702 R5643 L8012 C5650 R5616 C5050 D4818 TP1012 TP2304 C2069 C3159 R8329 C1007 TP1056 TP4885 C8071 C1501 R8206 R4959 C8022 D4...

Page 48: ...335 R1204 D4715 R4923 JS1011 R5001 L2750 C8081 C4836 R3120 R2053 R4669 C3105 R4652 C2337 Q2101 R8701 R8927 L2303 L5600 TD4805 C5620 C5619 C2345 C4851 R4820 R8650 IC4802 D4710 L4800 D5301 TD4804 Q8301 D4805 R8924 R4727 R8004 TD4803 L2753 D4804 D3103 R3303 R8001 R9992 R5013 R1185 R4829 R2104 C5477 R8920 Q5300 D4748 R4835 D5003 D3351 R4916 R4656 R5007 C2906 R4220 C2321 R3008 R2909 R5006 C2905 C2107 T...

Page 49: ...IX SEE RM2500 R2507 C2515 R2546 R2517 Q2500 V10 D2500A R2500 C2505 R2544 R2515 D2500 C2502 R2543 R2514 VJ2500 R2529 C2506 R2545 R2516 C2503 R2540 R2508 RM2500A R2518 D2503 C2504 R2533 R2504 C2514 R2541 R2509 R2531 R2502 Q2504 R2530 C2507 R2542 R2512 R2532 D2506 C2513 R2522 Q2501 C2501 SN2500 D2504 D2502 D2505 RM2500 RM2500A TP2504 TP2506 TP2503 TP2507 TP2501 TP2500 TP2502 TP2509 TP2508 V BOARD FOI...

Page 50: ...TH 42LRU20 50 ...

Page 51: ... and Replacement Parts List 13 1 Exploded View and Mechanical Replacement Parts List Please click the radio button for Diagrams ll Parts List on the menu bar 13 2 Electrical Replacement Parts List 13 2 1 Replacement Parts List Notes ...

Page 52: ... 1 C2353 F1G1H102A730 C 1000PF 50V 1 C2355 F1G1H102A730 C 1000PF 50V 1 C2501 F2G0J470A019 E 47UF 6 3V 1 C2502 F1G1C103A116 C 0 01UF 16V 1 C2505 F1H1C104A143 C 0 1UF 16V 1 C2514 F1J1A106A087 C 10UF 10V 1 C2750 F1G1C104A116 C 0 1UF 16V 1 C2751 53 F1G1H102A730 C 1000PF 50V 3 C2755 57 F1G1H102A730 C 1000PF 50V 3 C2761 F1G1C104A116 C 0 1UF 16V 1 C2762 F1G1H102A730 C 1000PF 50V 1 C2775 F1G1H101A731 C 10...

Page 53: ... C 1UF 6 3V 2 C8044 F1J1A106A087 C 10UF 10V 1 C8045 47 F1G1C104A116 C 0 1UF 16V 3 Safety Ref No Part No Part Name Description Pcs Remarks C8048 ECJ1VB0J105K C 1UF 6 3V 1 C8049 F1G1C104A116 C 0 1UF 16V 1 C8051 56 F1G1C104A116 C 0 1UF 16V 6 C8062 6 3 F1G1C104A116 C 0 1UF 16V 2 C8064 F1J0G2260001 C 22 UF 4 V 1 C8067 72 F1G1C104A116 C 0 1UF 16V 6 C8073 75 ECJ1VB0J105K C 1UF 6 3V 3 C8076 F1G1C104A116 C...

Page 54: ...48 DIODE 1 D5424 B0BC02400011 ZENER DIODE 1 PAVCA D5425 B0ACCJ000048 DIODE 1 D5480 B0JCCE000008 DIODE 1 D5605 B0HCMM000014 DIODE 1 Safety Ref No Part No Part Name Description Pcs Remarks FL4800 02 EXC28CE201U FILTER 3 FL4804 06 EXC28CE201U FILTER 3 IC1101 TVRR718S IC 1 PAVCA IC2301 C1AB00003230 IC 1 IC2900 C0EBF0000354 IC 1 IC3000 C1AB00003218 IC 1 IC3350 C0ZBZ0001361 IC 1 IC5000 AN34042A VF IC 1 ...

Page 55: ...1 16 W 1 R0948 D0GA472JA015 M 4 7KOHM J 1 16W 1 R0949 D0GA472JA015 M 4 7KOHM J 1 16W 1 R0950 ERJ2GEJ220 M 22 OHM J 1 16 W 1 Safety Ref No Part No Part Name Description Pcs Remarks R0951 ERJ2GEJ220 M 22 OHM J 1 16 W 1 R0957 ERJ2GEJ102X M 1KOHM J 1 16 W 1 R0958 ERJ2GEJ220 M 22 OHM J 1 16 W 1 R0959 ERJ2GEJ220 M 22 OHM J 1 16 W 1 R0966 D0GA472JA015 M 4 7KOHM J 1 16W 1 R0967 D0GA472JA015 M 4 7KOHM J 1 ...

Page 56: ...0KOHM J 1 16 W 1 R2791 9 2 ERJ2GEJ103 M 10KOHM J 1 16 W 2 Safety Ref No Part No Part Name Description Pcs Remarks R2795 D0GA101JA015 M 100 OHM J 1 16W 1 R2818 D0GAR00Z0001 M 0 OHM 1 16W 1 R2821 D0GBR00Z0002 M 0 OHM J 1 10W 1 R2900 D0GA680JA015 M 68 OHM J 1 16W 1 R2901 ERJ2GEJ104 M100KOHM J 1 16 W 1 R2902 ERJ2GEJ103 M 10KOHM J 1 16 W 1 R2903 D0GA563JA015 M 56KOHM J 1 16W 1 R2905 D0GA563JA015 M 56KO...

Page 57: ...5 M 47KOHM J 1 16W 1 R4740 51 D0GA680JA015 M 68 OHM J 1 16W 12 Safety Ref No Part No Part Name Description Pcs Remarks R4763 65 ERJ2GEJ104 M100KOHM J 1 16 W 3 R4800 ERJ6GEY0R00V M 0 OHM 1 8W 1 R4812 17 EXB28VR000X M 0 OHM 1 32 W 6 R4845 4 6 EXB28VR000X M 0 OHM 1 32 W 2 R4848 51 D0GAR00Z0001 M 0 OHM 1 16W 4 R4853 5 4 D0GAR00Z0001 M 0 OHM 1 16W 2 R4856 D0GAR00Z0001 M 0 OHM 1 16W 1 R4857 5 8 EXB28VR0...

Page 58: ...02 D1BB2402A055 M 24KOHM J 1 10W 1 Safety Ref No Part No Part Name Description Pcs Remarks R8003 D1BB1002A055 M 10KOHM J 1 10W 1 R8004 D1BB2402A055 M 24KOHM J 1 10W 1 R8005 0 6 D1BA1001A014 M 1KOHM J 1 16 W 2 R8007 D0GA111JA015 M 110 OHM J 1 16W 1 R8008 ERJ2GEJ103 M 10KOHM J 1 16 W 1 R8009 D1BA56R0A014 M 56 OHM J 1 16 W 1 R8010 D1BA3000A014 M 300 OHM J 1 16 W 1 R8011 D0GB331JA041 M330 OHM J 1 10W ...

Page 59: ...JA015 M 6 2KOHM J 1 16W 1 PAVCA R8856 D0GA473JA015 M 47KOHM J 1 16W 1 R8857 D0GA750JA015 M 75 OHM J 1 16W 1 PAVCA R8859 63 D0GA680JA015 M 68 OHM J 1 16W 5 R8867 ERJ2GEJ103 M 10KOHM J 1 16 W 1 R8868 D0GA330JA015 M 33 OHM J 1 16W 1 R8869 7 0 ERJ2GEJ103 M 10KOHM J 1 16 W 2 R8871 J0JBC0000098 COIL 1 Safety Ref No Part No Part Name Description Pcs Remarks R8872 77 D0GA330JA015 M 33 OHM J 1 16W 6 R8878 ...

Page 60: ...Model No TH 42LRU20 Important Safety Notice ...

Page 61: ...Model No TH 42LRU20 Exploded View ...

Page 62: ...Model No TH 42LRU20 Packing and Accessories ...

Page 63: ...THW40973N WASHER 1 12 THWC018N WASHER 1 13 TKK2AA7901 COVER ADJ WINDOW 1 PAVCA 14 TKK2AC5003 LED PANEL 1 PAVCA TMKK389 FELT 1 TMKK398 FELT 1 TMM15414 2 CLAMPER 1 TMME047 CLAMPER 5 TMME260 CLAMPER 1 TMME268 CLAMPER 12 TMME379 CLIP FOR HEAT SINK 3 15 TMW2AA051 AC CODE BRACKET 1 PAVCA 16 TMW2AX031 1 SP BRACKET L 2 PAVCA 17 TMW2AX032 1 SP BRACKET R 2 PAVCA 18 TQB2AA0589 INSTRUCTION BOOK 1 PAVCA 19 TXF...

Page 64: ...l No TH 42LRU20 Parts List Safety Ref No Part No Part Name Description Q ty Remarks XTB4 15JFJ SCREW 17 XTB4 18JFJK SCREW 17 XTB4 25JFJ SCREW 4 XTV3 10GFJK SCREW 4 XTW3 12TFJ SCREW 2 24 XYN4 F12FJK SCREW 4 ...

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Panasonic TH37LRU20 - HOSPITALITY LCD HDTV, Service Manual

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