Related Manuals for Panasonic TX-48AS640B
Summary of Contents for Panasonic TX-48AS640B
- Page 1 ORDER NO.PCZ1405115CE LCD Television TX-48AS640B Model No. TX-48AS640E TX-48ASR650 LA51 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 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 conducting repairs and servicing, do not attempt to modify the equipment, its parts or its materials. 2. When wiring units (with cables, flexible cables or lead wires) are supplied as repair parts and only one wire or some of the wires have been broken or disconnected, do not attempt to repair or re-wire the units. -
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 P-Board Power K-Board IR/LED/CATS GK-Board SWITCH... -
Page 7: Specifications
DC 5 V, Max. 500 mA [Hi-Speed USB (USB 2.0)] DIGITAL AUDIO output PCM / Dolby Digital / DTS, Fibre optic Receiving systems / Band name (B) Check the latest information on the available services at the following website. http://panasonic.net/viera/support DVB-T / T2 Digital terrestrial services (UK) PAL I... - Page 8 Approx. 18 g Usage temperature range 0 °C - 40 °C Battery Coin-shaped lithium battery CR2025 Operation time Approx. 75 hours in continuous use of the battery made by Panasonic Materials Main body Resin Lens section Liquid crystal glass Note •...
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Page 9: Technical Descriptions
3 seconds. TV will be forced to the factory shipment setting after this SELF CHECK. 5.1.3. Model and Keys: Model No. Keys One-to-One CI Plus DTCP-IP WIDEVINE Netflix HDCP2 (For USB Rec.) TX-48AS640B None TX-48AS640E None TX-48ASR650 None None... -
Page 10: Service Mode
6 Service Mode 6.1. How to enter into Service Mode 6.1.1. Purpose After exchange parts, check and adjust the contents of adjustment mode. While pressing [VOLUME ( - )] button of the main unit, press [ RED ] button of the remote control three times within 2 seconds. Note: Service Mode can not be entered when 3D signal input. - Page 11 6.1.4. Contents of adjustment mode • Value is shown as a hexadecimal number. • Preset value differs depending on models. • After entering the adjustment mode, take note of the value in each item before starting adjustment. Main item Sub item Sample Data Remark ADJUST...
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Page 12: Service Tool Mode
6.2. Service tool mode 6.2.1. How to access 1. Select [SRV-TOOL] in Service Mode. 2. Press [OK] button on the remote control. 6.2.2. 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 13: Drv Check - Usbhdd Check
6.3. DRV Check - USBHDD Check 1. Select [DRV Check - USBHDD Check] in Service Mode. 2. Press [OK] button on the remote control for more than 3 seconds. 6.4. Hotel mode 6.4.1. Purpose 6.4.4. Explain the Hotel mode setup menu Restrict a function for hotels. -
Page 14: Data Copy By Usb Memory
6.5. Data Copy by USB Memory Note: SD card can not be used for Data Copy. 6.5.1. 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 15 6.5.3. 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 16 6.5.4. 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 17: Troubleshooting Guide
7 Troubleshooting Guide Use the self-check function to test the unit. 1. Checking the IIC bus lines 2. Power LED Blinking timing 7.1. Check of the IIC bus lines 7.1.1. How to access 7.1.1.1. 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 18 7.1.3. Check Point Confirm the following parts if NG was displayed. DISPLAY Check Ref. No. Description Check Point H14TUN TU6705 TUNER A-BOARD H90STBY IC8000 PEAKS-LD6 (STM) A-BOARD H92MEM1 IC8000 BLOCK-EEP A-BOARD H91MEM2 IC8901 STM EEPROM A-BOARD H17LAN IC8650 ETHERPHY A-BOARD H00FE IC6800 DEMOD...
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Page 19: Power Led Blinking Timing Chart
7.2. 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 20: No Power
7.4. No Power First check point There are following 3 states of No Power indication by power LED. 1. No lit 2. Green is lit then turns red blinking a few seconds later. (See Power LED Blinking timing chart) 3. Only red is lit. -
Page 21: Disassembly And Assembly Instructions
8 Disassembly and Assembly Instructions 8.1. Disassembly Flow Chart for the Unit This is a disassembly chart. When assembling, perform this chart conversely. -
Page 22: Disassembly Procedure For The Unit
8.2. Disassembly Procedure for the Unit 8.2.3. P-Board Lay down the unit so that the rear cover faces upward. 1. Remove the 7 screws. 8.2.1. Pedestal 2. Disconnect the connectors (P2, P4 and P5). 1. Remove the 4 screws. 3. Remove the P-Board. 2. - Page 23 8.2.4. A-Board 4. Remove the 7 screws (B). 5. Remove the Heatsink Rear A. 1. Remove the 6 screws (A). 8.2.5. Wi-Fi Dongle and Wi-Fi Cable 1. Remove the 1 screw (A). 2. Disconnect the connectors (A02A, A10, A12, A15, A16 2.
- Page 24 8.2.7. GK-Board 3. Remove the 2 screws (B). 4. Remove the Wi-Fi Cable and the Wi-Fi Metal. 1. Disconnect the connector (GK4). 2. Remove the 1 hook. 8.2.6. Bluetooth Dongle 1. Disconnect the connector. 2. Remove the 4 hooks. 3. Remove the Bluetooth Dongle. 4.
- Page 25 8.2.8. VESA Metals 3. Remove the 1 hook (B). 4. Remove the 4 hooks (C). 1. Remove the 4 screws. 5. Remove the K-Board and the LED Panel from the LED 2. Remove the 4 VESA Metals. Panel Case. 6. Disconnect the connector (K10). 7.
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Page 26: Specification Of Emi Countermeasures
8.3. Specification of EMI countermeasures 8.3.1. Felt on Back Cover 8.3.2. Felt on Back Cover... - Page 27 8.3.3. Felt on Key Button 8.3.4. Felt on AC INLET...
- Page 28 8.3.5. Felt on BOTTOM AV BRACKET 8.3.6. WORK INSTRUCTIONS FOR GASKET POSTING...
- Page 29 8.3.7. WORK INSTRUCTIONS FOR GASKET POSTING...
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Page 30: Measurements And Adjustments
9 Measurements and Adjustments 9.1. Voltage chart of P-board Power Supply Name Test point Spec TP7407 23.4 ± 1.2V TP7411 15.7 ± 0.6V TP7501 5.2 ± 0.2V TP7201 390 ± 15V *HOT 9.2. Voltage chart of A-board Power Supply Name Test point Spec PNL12V... -
Page 31: Block Diagram
10 Block Diagram 10.1. Block Diagram (1/2) SP R SP L CI SLOT SERVICE JK8400A 17,18 CN0100 51,52 SUB3.3V 1,32 TU_1.8V DMD_ IIC1 X6800 10,11 14,15 26,27 30,31 DMD IIC_0 IC8202 34 35 20,21 DDR3 SUB3.3V IF1_P,N IF1_P,N 4 GBit 9,16,25,32 IC4900 38,37... -
Page 32: Block Diagram (2/2)
10.2. Block Diagram (2/2) COLD P-BOARD LF7105 LF7104 LF7103 Q7404 F7101 T7302 CF7104 T7201 D7403 Q7402 Line Line Line D7110 D7407 Filter Filter Filter IC7503 D7412 D7413 Q7403 D7304 POWER_ON TV_SUB_ON TV_SUB_ON Q7202 KEY1 BL_SOS PC7301 BL_ON IC7301 BL_PWM1 Photo coupler Controller IC7401 BL_PWM2... -
Page 33: Wiring Connection Diagram
11 Wiring Connection Diagram 11.1. Wiring Diagram... -
Page 34: Caution Statement
11.2. 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. 11.3. Dressing Wire...