Related Manuals for Panasonic th-50lru70
Summary of Contents for Panasonic th-50lru70
- Page 1 ORDER NO.MTNC140637CE Hospitality LCD HDTV TH-50LRU70 Model No. LA50 Chassis © Panasonic Corporation 2014. Unauthorized copying and distribution is a violation of law.
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Page 2: Table Of Contents
TABLE OF CONTENTS PAGE 1 Safety Precautions -----------------------------------------------3 1.1. General Guidelines ----------------------------------------3 1.2. Touch-Current Check--------------------------------------3 2 Warning --------------------------------------------------------------4 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices ----------4 2.2. About lead free solder (PbF) ----------------------------5 3 Service Navigation------------------------------------------------6 3.1. -
Page 3: Safety Precautions
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
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)
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). That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available. -
Page 6: Service Navigation
3 Service Navigation 3.1. PCB Layout Board Name Function A-Board Main K-Board IR/LED/CATS P-Board Power Supply GK-Board Power switch, Control Button... -
Page 7: Specifications
4 Specifications Power Source AC 110-127 V, 60Hz Power Consumption Rated Power Consumption 110 W Standby condition Under 1.0 W Display Panel Panel System LCD panel (LED backlight) Screen size 50 inch class (49.5 inches measured diagonally) W x H x Diagonal 43.1 inch x 24.2 inch x 49.5 inch (1,096 mm x 616 mm x 1,257 mm) Number of pixels 2,073,600 (1,920 (W) x 1,080 (H)) [5,760 X 1,080 dots]... -
Page 8: Service Mode
5 Service Mode 5.1. How to enter into Service Mode 5.1.1. Set “Hotel Mode” Off Service Mode can not be entered if Hotel Mode is “On” (Activating). Hotel Mode should be set to “Off” by using only Remote Control as following procedure. 1. -
Page 9: Srv-Tool
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. This indication except 2nd and 1st occurrence after shipment will be cleared by [Self-check indication and forced to factory shipment setting]. -
Page 10: Data Copy By Usb Memory
5.3. Data Copy by USB Memory Note: SD card can not be used for Data Copy. 5.3.1. Purpose (a) Board replacement (Copy the data when exchanging A-board): When exchanging A-board, the data in original A-board can be copied to USB Memory and then copy to new A-board. (b) Hotel (Copy the data when installing a number of units in hotel or any facility): When installing a number of units in hotel or any facility, the data in master TV can be copied to USB Memory and then copy to other TVs. - Page 11 5.3.3. Data copy from TV set to USB Memory 1. Turn on the TV set. 2. Insert USB Memory with a startup file (pwd file) to USB terminal. On-screen Display will be appeared according to the startup file automatically. 3. Input 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 USB Memory.
- Page 12 5.3.4. Data copy from USB Memory to TV set 1. Turn on the TV set. 2. Insert USB Memory with Data to USB terminal. On-screen Display will be appeared according to the Data folder automatically. 3. Input a following password for (a) or (b) by using remote control. (a) For Board replacement : 2771 (b) For Hotel : 4851 Data will be copied from USB Memory to TV set.
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Page 13: Troubleshooting Guide
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 6.1.1.1. 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 14: Power Led Blinking Timing Chart
6.2. Power LED Blinking timing chart 1. Subject Information of LED Flashing timing chart. 2. Contents When an abnormality has occurred the unit, the protection circuit operates and reset 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. Blinking Times Contents Check point... -
Page 15: Disassembly And Assembly Instructions
7 Disassembly and Assembly Instructions 7.1. Disassembly Flow Chart for the Unit This is a disassembly chart. When assembling, perform this chart conversely. 7.2. Disassembly Procedure for the Unit 7.2.2. Back Cover To disassemble P.C.B., wait for 1 minute after power was off for discharge from electrolysis capacitors. - Page 16 7.2.3. P-Board 5. Remove the CH Mount Boss and Ground Spring. 1. Remove the 5 screws. 2. Disconnect the connectors (P2, P4 and P5). 3. Remove the P-Board. 7.2.5. Vesa Metals 1. Remove the 4 screws. 2. Remove the 4 Vesa Metals. 4.
- Page 17 7.2.7. GK-Board 7.2.9. K-Board / LCD PANEL 1. Remove the Control Unit. 1. Remove the LED Panel Assy from the Cabinet. 2. Disconnect the connector (GK4). 3. Remove the GK-Board and the Key Button Bracket. 2. Disconnect the connector (K10). 3.
- Page 18 Felt, Sponge, and so on. 7.2.10.
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Page 21: Measurements And Adjustments
8 Measurements and Adjustments 8.1. Voltage chart of P-board Power Supply Name Test point Spec TP7407 32V ± 1.6V TP7410 15.7V ± 0.6V TP7501 5.5V ± 0.2V TP7201 or TP7202 390V ± 15V *HOT 8.2. Voltage chart of A-board Power Supply Name Test point Spec STB5V... -
Page 22: Block Diagram
9 Block Diagram 9.1. Main Block Diagram MAIN SUB3.3V TU_1.8V TUNER IFD_OUT AUDIO_OUT SPEAKER(L) RF IN TUNER I/F AUDIO SOUND_SOS SOUND_SOS SPEAKER(R) P16V Band Pass Filter Band Pass Filter 22.25/22.75MHz 49.5/50.5MHz PEAKS-sLD8 DDR3 DDR_I/F P16V ANALOG-ASIC SUB5V TRANSMIT RECEIVER STB5.3V OVP DET NAND SUB9V... -
Page 23: Block (1/2) Diagram
9.2. Block (1/2) Diagram ANTENNA/ MAIN CABLE IN JK6750 L6123 BAND PASS Q6102 FILTER IC6107 IC6106 IC6105 BUFFER BUFFER IC6110 TV_DATA_OUT TV_DATA_OUT RECEIVER TA_3.3V +3.3V TV_DATA_IN TV_DATA_IN TV_CLK TV_CLK FILTER TV_IR FSK SW X6101 LN_REG_ON TA_REG_ON IC6104 X6100 IC6103 SELECT REMOTE CHANGE X6105... -
Page 24: Block (2/2) Diagram
9.3. Block (2/2) Diagram SPEAKER_R SPEAKER_L JK3004 AV1 IN CN3000 JK3000 D3000 JK8451 JK8600 COMPONENT DIGITAL CN4501 CN4502 CN4500 PC IN PC IN JK3001 JK3003 USB1 MAIN AUDIO OUT ETHERNET HDMI3 HDMI2 HDMI1 (AUDIO) RS232C TERMINAL AUDIO OUT IC6750 TUNER IIC_2 X6750 24MHz... -
Page 25: Wiring Connection Diagram
10 Wiring Connection Diagram 10.1. Caution statement. Caution: Please confirm that all flexible cables are assembled correctly. Also make sure that they are locked in the connectors. Verify by giving the flexible cables a very slight pull. 10.2. Wiring 1... -
Page 26: Wiring
10.3. Wiring 2...