Table of Contents
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TABLE OF CONTENTS
1 Safety Precautions----------------------------------------------- 3
1.1. General Guidelines---------------------------------------- 3
1.1.1. Leakage Current Cold Check---------------------- 3
1.) --------------------------------------------------------- 3
2 Warning -------------------------------------------------------------- 4
to Electrostatically Sensitive (ES) Devices---------- 4
2.2. About lead free solder (PbF)---------------------------- 5
3 Service Navigation ----------------------------------------------- 6
3.1. Service Hint ------------------------------------------------- 6
4 Specifications ----------------------------------------------------- 7
5 Service Mode ------------------------------------------------------ 8
5.1. How to enter into Service Mode ----------------------- 8
5.1.1. Contents of adjustment mode --------------------- 8
5.1.2. How to exit---------------------------------------------- 8
5.2. SRV-TOOL -------------------------------------------------- 9
5.2.1. How to access ----------------------------------------- 9
5.2.2. Display of SOS History ------------------------------ 9
5.2.3. POWER ON TIME/COUNT ------------------------ 9
Model No.
Chassis:
Destination:
PAGE
5.2.4. Exit --------------------------------------------------------9
5.2.5. Self Check Mode ------------------------------------ 10
5.2.6. Hotel Mode Adjustment ---------------------------- 10
5.2.7. Hotel Mode-------------------------------------------- 10
6 Troubleshooting Guide --------------------------------------- 11
6.1. Check of the IIC bus lines------------------------------ 11
6.1.1. How to access --------------------------------------- 11
6.1.2. Exit ------------------------------------------------------ 11
6.1.3. Screen display --------------------------------------- 11
6.2. Power LED Blinking timing chart --------------------- 12
6.3. No Power--------------------------------------------------- 12
7 Disassembly and Assembly Instructions--------------- 13
7.1. Control Panel Preparation ----------------------------- 13
7.2. Control Panel Assembly-------------------------------- 14
7.3. Speaker Assembly --------------------------------------- 15
7.4. Panel Assembly ------------------------------------------ 16
7.5. LCD Panel Fixing & Handling Method -------------- 17
7.6. Placing Black Tape -------------------------------------- 18
7.7. LED Panel Assembly------------------------------------ 19
7.8. Screwing up Brackets----------------------------------- 20
ORDER NO. MTV1204025CE
LCD HDTV
TC-L42E5X
LA35
USA
© Panasonic Corporation 2012. Unauthorized
copying and distribution is a violation of law.
PAGE
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Summary of Contents for Panasonic TC-L42E5X
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Page 1: Table Of Contents
7.6. Placing Black Tape -------------------------------------- 18 5.2.2. Display of SOS History ------------------------------ 9 7.7. LED Panel Assembly------------------------------------ 19 5.2.3. POWER ON TIME/COUNT ------------------------ 9 7.8. Screwing up Brackets----------------------------------- 20 © Panasonic Corporation 2012. Unauthorized copying and distribution is a violation of law. - Page 2 TC-L42E5X 7.9. Plate Metal Part Assembly----------------------------- 21 7.10. LVDS Cable Assembly---------------------------------- 22 7.11. Fitting the Barrier ----------------------------------------- 23 7.12. Plate A Assembly ---------------------------------------- 24 7.13. Plate P Assembly ---------------------------------------- 25 7.14. Assembling the Metal AV Bracket Side------------- 26 7.15. Assembling the Metal AV Bracket BTM ------------ 27 7.16.
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Page 3: Safety Precautions
TC-L42E5X 1 Safety Precautions 1.1. General Guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed. -
Page 4: Warning
TC-L42E5X 2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor [chip] components. -
Page 5: About Lead Free Solder (Pbf)
TC-L42E5X 2.2. About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). -
Page 6: Service Navigation
TC-L42E5X 3 Service Navigation 3.1. Service Hint Board Name Main Device Remarks A BOARD TUN, OFDM, ADV, LD4, STBY EEP Repairable P BOARD Power Supply Repairable GK BOARD Function SW for LGD panel Repairable K BOARD LED/RM/CATS Repairable... -
Page 7: Specifications
TC-L42E5X 4 Specifications Power Source AC 110-127 V, 60 Hz Power Consumption Rated Power Consumption 85 W Standby condition 0.1 W Display panel Aspect Ratio 16:9 Visible screen size 42” class (42 inches measured diagonally) 2,073,600 (1,920 (W) × 1,080 (H)) [5,760 × 1,080 dots]... -
Page 8: Service Mode
TC-L42E5X 5 Service Mode 5.1. How to enter into Service Mode While pressing [VOLUME ( - )] button of the main unit, press [INFO] button of the remote control three times within 2 seconds. Contents of adjustment mode 5.1.1. • Value is shown as a hexadecimal number. -
Page 9: Srv-Tool
TC-L42E5X 5.2. SRV-TOOL 5.2.1. How to access 1. Select [SRV-TOOL] in Service Mode. 2. Press [OK] button on the remote control. 5.2.2. Display of SOS History SOS History (Number of LED blinking ) indication. From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment. -
Page 10: Self Check Mode
TC-L42E5X 5.2.5. Self Check Mode 1. Press the ‘MENU’ button (on the remote control) and the ‘VOL DOWN’ button on the LCD panel. 2. Press ON/OFF button on the panel to Exit. 5.2.6. Hotel Mode Adjustment 1. Press the ‘VOLUME DOWN’ button on the TV panel and simultaneously press the INPUT button on the remote control 3 times to enter Hotel Mode. -
Page 11: Troubleshooting Guide
TC-L42E5X 6 Troubleshooting Guide Use the self-check function to test the unit. 1. Checking the IIC bus lines 2. Power LED Blinking timing 6.1. Check of the IIC bus lines 6.1.1. How to access Self-check indication only: Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control for more than 3 seconds. -
Page 12: Power Led Blinking Timing Chart
TC-L42E5X 6.2. Power LED Blinking timing chart 1. Subject Information of LED Flashing timing chart. 2. Contents When an abnormality occurs, the protection circuit will operate and reset the unit to stand by mode. During this time, the defective block can be identified by the number of blinking times of the Power LED on the front panel of the unit as follow:... -
Page 13: Disassembly And Assembly Instructions
TC-L42E5X 7 Disassembly and Assembly Instructions 7.1. Control Panel Preparation 1. Fit the GK plate on the key button guide pins indicated by the pointed arrows. 2. Screw in the positions indicated using the corresponding torque. 3. Connect the cable to the GK plate connector. -
Page 14: Control Panel Assembly
TC-L42E5X 7.2. Control Panel Assembly 1. Place the control panel preparation on the cabinet guide pins, as indicated by the pointed arrows. 2. Screw in the positions indicated using the corresponding torque. -
Page 15: Speaker Assembly
TC-L42E5X 7.3. Speaker Assembly 1. Fit the speaker brackets, inserting the bracket pins into the holes in the panel 2. Screw in the positions indicated using the corresponding torque. 3. Insert the speaker in the speaker brackets. Part Num. Quant. -
Page 16: Panel Assembly
TC-L42E5X 7.4. Panel Assembly 1. Fit the panel to the cabinet, handling it extremely carefully. Fig A 2. Once the panel has been fitted to the cabinet, pull the panel towards the cabinet until it meets the stops. 3. Take extreme care not to knock the cabinet with the corners of the panel. -
Page 17: Lcd Panel Fixing & Handling Method
TC-L42E5X 7.5. LCD Panel Fixing & Handling Method 1. Place down the cabinet as shown below. 2. Fix LCD panel into the cabinet by taking below precautions. Other general precautions 1. Do not press panel surface to avoid blue spot on the panel display. -
Page 18: Placing Black Tape
TC-L42E5X 7.6. Placing Black Tape 1. Place the black tape in the position indicated. See detail 1 2. Place the aluminium tape in the position indicated. See detail 2 3. Place the gasket in the position indicated, see dotted circles. -
Page 19: Led Panel Assembly
TC-L42E5X 7.7. LED Panel Assembly 1. Prepare the LED panel as indicated, Fig A. 2. Assemble the prepared LED as shown in Fig B. Part Num. Quant. Description TXFKK5Z0004 ASSY, LED PANEL TXFKK5Z0006 ASSY, LED BRACKET TXN/K1SKUUS ASSY, K PANEL COMPLETE PAVCAP... -
Page 20: Screwing Up Brackets
TC-L42E5X 7.8. Screwing up Brackets 1. Place the metal Vesas in the positions indicated. Fig A 2. Place the bottom metal part in the position indicated. Fig B 3. Screw in the positions indicated using the corresponding torque. 4. Insert the clampers in the position indicated. Fig B Note: Use metal part without (-1) for PP2, the next production will be received with (-1) Part Num. -
Page 21: Tc-L42E5X
TC-L42E5X 7.9. Plate Metal Part Assembly 1. Place the gasket at the bottom of the metal parts, see figure 1. 2. Place the metal parts in the positions indicated, insert the metal part guide pins into the holes on the panel, as shown in detail A. -
Page 22: Lvds Cable Assembly
TC-L42E5X 7.10. LVDS Cable Assembly 1. Connect the LVDS cables as indicated. 2. Place the tape in the position indicated, starting with letter A. Part Num. Quant. Description TSCFF0030012 LVDS CABLE... -
Page 23: Fitting The Barrier
TC-L42E5X 7.11. Fitting the Barrier 1. Place the barrier in the position indicated, using the bosses for centering. 2. Stick gaskets in the positions indicated. Part Num. Quant. Description TMK2AX234 BARRIER P PCB TEWB772 GASKET T5 W10 L10... -
Page 24: Plate A Assembly
TC-L42E5X 7.12. Plate A Assembly 1. Fit plate A on the metal guides. 2. Place the thermal sheet in the position indicated. Detail 1 3. Screw in the positions indicated using the corresponding torque. 4. Place the sponges in the panel, use detail 2 as a reference. -
Page 25: Plate P Assembly
TC-L42E5X 7.13. Plate P Assembly 1. Fit plate P on the metal guides. 2. Place the spacers in the correct positions. Detail A 3. Screw in the positions indicated using the corresponding torque. Part Num. Quant. Description TXN/P1PTUX ASSY, P PANEL COMPLETE FROM KATOLEC... -
Page 26: Assembling The Metal Av Bracket Side
TC-L42E5X 7.14. Assembling the Metal AV Bracket Side 1. Place gasket between HDMI 1 & 2; use fig D as a placement reference. 2. Assemble Metal AV Bracket to plate A. 3. Insert in the metal guides on the plate, see figures A, B and C. -
Page 27: Assembling The Metal Av Bracket Btm
TC-L42E5X 7.15. Assembling the Metal AV Bracket BTM 1. Place the gasket inside the metal AV Bracket. 2. Place the Metal AV Bracket in the position indicated. 3. Screw in the positions indicated using the corresponding torque. Part Num. Quant. -
Page 28: Bottom Cover Assembly
TC-L42E5X 7.16. Bottom Cover Assembly Insert the bottom cover guides into the lower metal grooves and slide in the direction indicated. Part Num. Quant. Description TKP5ZA13801 BOTTOM COVER... -
Page 29: Screwing Up The
TC-L42E5X 7.17. Screwing up the Back Cover 1. Place the back cover in the position indicated. 2. Place the M6s in the positions indicated. 3. Screw in the positions indicated using the corresponding torque. Part Num. Quant. Description TKKL5521 M6 CAP... -
Page 30: Measurements And Adjustments
TC-L42E5X 8 Measurements and Adjustments 8.1. Voltage chart of A-board Set A-Board to a dummy set and check the satisfaction with the specified voltage as following table. VOLTAGE TEST POINT SPECIFICATION PANEL12V TP4004/TP4005 11.45V - 12.55V USB_5V TP5440 4.80V - 5.25V... -
Page 31: Block Diagram
TC-L42E5X 9 Block Diagram 9.1. Main Block Diagram MAIN NAND NAND FLASH SD CARD DATA SD IF SD CARD SLOT SUB3.3V IFD_OUT DDR3 TUNER SIF_OUT SUB5V Peaks PEAKS_EEPROM SUB1.1V SUB1.5V OVP DET SUB3.3V Y/PB/PR SUB_AI_3.3V USB5V COMP SUB9V P15V R/G/B/H/V STB1.1V... -
Page 32: Detailed Block Diagram (1/2)
TC-L42E5X 9.2. Detailed Block Diagram (1/2) MAIN POWER IC7301, IC7502 STB6V IC7201, Q7301, 5.8VS T7202, Q7302 T7301 D7407 PA7403 D7106 Q7201 5.8VS RECTIFIER P15V CONVERTER Q7403 D7408,9 PA7402 +16V CF7101,2 +16V Q7402 +16V DETECT D7401,2 IC7401 PC7301 PHOTO ERROR COUPLER... -
Page 33: Detailed Block Diagram (2/2)
TC-L42E5X 9.3. Detailed Block Diagram (2/2) CN8660 SPEAKER_R SPEAKER_L SD CARD JK3005B D3006 JK3001 JK8450 JK8451 JK8600A JK4701A JK4700A JK4702A JK4703A FACTORY PC IN DIGITAL COMPONENT USB1 USB2 ETHERNET AUDIO OUT HDMI2 HDMI1 HDMI3 HDMI4 MAIN MAIN CN0100 DMC_IIC0 IIC0... -
Page 34: Wiring Connection Diagram
TC-L42E5X 10 Wiring Connection Diagram 10.1. Cable Alignment 1. Align and connect the cables, placing the tape in the positions indicated. 2. Place the gaskets in the positions indicated. See details 1, 2 and 3. Part Num. Quant. Description TXJA02SLUU... - Page 35 TC-L42E5X Clampers / Tapes Cables P4-LD/GK4 P2 - A02 SP (R) - A12 SP (L) - A12 A10 - K10...
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Page 36: Schematic Diagram
TC-L42E5X 11 Schematic Diagram 11.1. Schematic Diagram Notes... -
Page 37: A-Board (1/17) Schematic Diagram
TC-L42E5X 11.2. A-Board (1/17) Schematic Diagram... -
Page 38: A-Board (2/17) Schematic Diagram
TC-L42E5X 11.3. A-Board (2/17) Schematic Diagram... -
Page 39: A-Board (3/17) Schematic Diagram
TC-L42E5X 11.4. A-Board (3/17) Schematic Diagram... -
Page 40: A-Board (4/17) Schematic Diagram
TC-L42E5X 11.5. A-Board (4/17) Schematic Diagram... -
Page 41: A-Board (5/17) Schematic Diagram
TC-L42E5X 11.6. A-Board (5/17) Schematic Diagram... -
Page 42: A-Board (6/17) Schematic Diagram
TC-L42E5X 11.7. A-Board (6/17) Schematic Diagram... -
Page 43: A-Board (7/17) Schematic Diagram
TC-L42E5X 11.8. A-Board (7/17) Schematic Diagram... -
Page 44: A-Board (8/17) Schematic Diagram
TC-L42E5X 11.9. A-Board (8/17) Schematic Diagram... -
Page 45: A-Board (9/17) Schematic Diagram
TC-L42E5X 11.10. A-Board (9/17) Schematic Diagram... -
Page 46: A-Board (10/17) Schematic Diagram
TC-L42E5X 11.11. A-Board (10/17) Schematic Diagram... -
Page 47: A-Board (11/17) Schematic Diagram
TC-L42E5X 11.12. A-Board (11/17) Schematic Diagram... -
Page 48: A-Board (12/17) Schematic Diagram
TC-L42E5X 11.13. A-Board (12/17) Schematic Diagram... -
Page 49: A-Board (13/17) Schematic Diagram
TC-L42E5X 11.14. A-Board (13/17) Schematic Diagram... -
Page 50: A-Board (14/17) Schematic Diagram
TC-L42E5X 11.15. A-Board (14/17) Schematic Diagram... -
Page 51: A-Board (15/17) Schematic Diagram
TC-L42E5X 11.16. A-Board (15/17) Schematic Diagram... -
Page 52: A-Board (16/17) Schematic Diagram
TC-L42E5X 11.17. A-Board (16/17) Schematic Diagram... -
Page 53: A-Board (17/17) Schematic Diagram
TC-L42E5X 11.18. A-Board (17/17) Schematic Diagram... -
Page 54: Gk-Board Schematic Diagram
TC-L42E5X 11.19. GK-Board Schematic Diagram... -
Page 55: K-Board Schematic Diagram
TC-L42E5X 11.20. K-Board Schematic Diagram... -
Page 56: P-Board Schematic Diagram
TC-L42E5X 11.21. P-Board Schematic Diagram... -
Page 57: Printed Circuit Board
TC-L42E5X 12 Printed Circuit Board 12.1. A-BOARD A-BOARD (TOP COMPONENT SIDE) TNPH0993 I C 9 9 8 0 R 2 7 1 2 C N 0 1 0 0 I C 9 9 8 0 R 0 9 2 2... - Page 58 TC-L42E5X A-BOARD (BOTTOM COMPONENT SIDE) TNPH0993 T P 0 9 1 1 T P 0 9 0 9 T P 0 9 0 7 T P 0 9 0 5 T P 0 9 0 3 T P 0 9 0 1...
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Page 59: K-Board
TC-L42E5X 12.2. K-BOARD K-BOARD (TOP COMPONENT SIDE) TNPA5604 S U F F I X . C R N O . 2 R 2 8 0 3 R 2 8 0 9 D 2 8 0 3 R 2 8 0 4... -
Page 60: P-Board
TC-L42E5X 12.3. P-BOARD P-BOARD (TOP COMPONENT SIDE) TNPA5608 Z A 7 1 0 1 Z A 7 1 0 2 T N P A 5 6 0 8 1 3 2 C 7 4 2 3 O R D E R N O . - Page 61 TC-L42E5X P-BOARD (BOTTOM COMPONENT SIDE) TNPA5608 Z A 7 1 0 2 Z A 7 1 0 1 C 7 4 2 3 1 3 2 1 0 3 C 7 4 2 2 1 3 1 2 0 7...
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Page 62: Exploded View And Replacement Parts List
TC-L42E5X 13 Exploded View 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 63: Electrical Replacement Parts List
TC-L42E5X 13.2.2. Electrical Replacement Parts List Note: All part will be supplied by PAVCKM. Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks C5420 F1K1V106A010 C 10UF , 10V C5421 F1K1V106A010 C 10UF , 10V... - Page 64 TC-L42E5X Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks C7514 F2A1C2220116 C 2200UF , 16V C8470 F1G1C104A077 C 0.1UF , 16V C7515 F1J1E105A287 C 1UF , 25V C8600 F1L3D1020008 C 1000PF , 2kV...
- Page 65 TC-L42E5X Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks D7405 DA2J10100L DIODE Q4702 B1ABCF000231 TRANSISTOR D7407 B0JCPE000038 DIODE Q4704 B1ABCF000231 TRANSISTOR D7408 B0JDSG000010 DIODE Q4709 B1ABCF000231 TRANSISTOR D7409 B0JDSG000010 DIODE...
- Page 66 TC-L42E5X Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R3119 D0GA473JA023 C 47KOHM ,J, 1/16W R4913 D0GAR00J0005 C 0OHM ,J, 1/16W R3120 D0GA473JA023 C 47KOHM ,J, 1/16W R4914 D0GAR00J0005 C 0OHM ,J, 1/16W...
- Page 67 TC-L42E5X Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R7312 D0AF222JA112 2.2KOHM ,J, 1/2W R8602 D1BA75R0A023 75OHM , 1/16W R7314 D0GD104JA052 C 100KOHM ,J, 1/16W R8603 D1BA75R0A023 75OHM , 1/16W R7315 D0GD222JA052 C 2.2KOHM ,J, 1/16W...
- Page 68 TC-L42E5X Safety Ref. Part No. Part Name & Description Remarks T8600 G5BYC0000040 TRANSFORMER OTHERS K1KY16BA0394 CONNECTOR K1KA14B00129 CONNECTOR K1KY04BA0387 CONNECTOR K1MY51BA0526 CONNECTOR CF7101 D4CA94R0A001 TERMISTOR CF7102 D4CA94R0A001 TERMISTOR CN0100 K1KA14A00248 CONNECTOR CN8660 K1NA12E00016 CONNECTOR D2800B B3AAB0000379 LED F7101 K5E502YY0001 FUSE...
- Page 69 Model No. : TC-L42E5X Parts Location...
- Page 70 Model No. : TC-L42E5X Packing Exploded View 1...
- Page 71 Model No. : TC-L42E5X Packing Exploded View 2...
- Page 72 Model No. : TC-L42E5X Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks TXFKY5Z0311 CABINET ASSY TKZ5ZX5006-1 LED BRACKET ASSY TXFKK5Z0004 LED PANEL ASSY TUA5ZA04301 METAL CH FRAME R TUA5ZA03201 METAL CH FRAME L TXFKU2512SER BACKCOVER COMPLETE ASSY...