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.
2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensi- tive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Elec- trostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor [chip] components.
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.
3 Service Navigation 3.1. Service Hint Board Name Function A-Board Speaker out, AV Terminal, HDMI in, SD Card, PC in, Digital Signal Processor, Nile-Tcon, 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...
4 Specifications Power Source AC 110-127 V, 60 Hz Power Consumption Maximum 199 W Standby Condition 0.3 W Display panel Aspect Ratio 16:9 Visible screen size 42 inch class (42.0 inches measured diagonally) (W × H × Diagonal) 36.6 inch × 20.6 inch × 42.0 inch (930 mm × 523 mm × 1,067 mm) 2,073,600 (1,920 (W) ×...
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. 5.1.1. Key command [1] button...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...
Contents of adjustment mode 5.1.2. • 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...
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 ship- ment setting].
5.3. Hotel mode 1. Purpose Restrict a function for hotels. item Function 2. Access command to the Hotel mode setup menu Mode Select hotel mode off/on In order to display the Hotel mode setup menu, please Input Select input signal modes. enter the following command (within 2 second).
5.4. Data Copy by SD Card 5.4.1. 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 SD card 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 SD card and then copy to other TVs.
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5.4.3. Data copy from TV set to SD Card 1. Turn on the TV set. 2. Insert SD card with a startup file (pwd file) to SD slot. 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 SD card.
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5.4.4. Data copy from to SD Card to TV set 1. Turn on the TV set. 2. Insert SD card with Data to SD slot. 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 SD card to TV set.
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.
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.
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.)
7 Disassembly and Assembly Instructions 7.1. Pedestal 7.3. AC cord 1. Lay down the unit so that the rear cover faces upward. 1. Remove the screw and Remove the AC cord bracket. 2. Remove the 4 screws. 2. Remove the bushing of the AC cord from the AC cord 3.
7.5. Side AV bracket 7.7. Control panel 1. Remove the 1 screw (D). 1. Disconnect the connector (K1). 2. Remove the 1 screw (E). 2. Remove the 2 screws. 3. Remove the side AV bracket. 3. Remove the control panel. 7.6.
7.9. Metal bracket CH frame 3. Remove the 2 screws. 4. Remove the Metal bracket P right. 1. Remove the 4 screws. 2. Remove the Metal bracket CH frame. 7.10. Metal bracket P top & Metal bracket P right 7.11. Metal bracket vertical 1.
7.12. Metal bracket 7.14. LCD Panel 1. Remove the 6 screws (F). 1. Remove the 6 screws (H). 2. Remove the 8 screws (G). 2. Remove the LCD side MTG. 3. Remove the Metal bracket top and Metal bracket bottom. 3.
8 Measurements and Adjustments 8.1. Voltage chart of A-board VOLTAGE TEST POINT SPECIFICATION (Reception state) STB3.3V TP4716 3.3 ± 0.16 V SUB5V TP4724 5 ± 0.25 V PANEL12V TP5413 12 ± 0.6 V SOUND15V TP2765 18 ± 2 V TP2768 6.1 ±...
9 Block Diagram 9.1. Main Block Diagram DIGITAL SIGNAL PROCESSOR TMDS DATA HDMI1 HDMI I/F TMDS DATA HDMI2 RECEIVER SD CARD DATA TMDS DATA SD CARD (SIDE) HDMI3 SD CARD DATA SLOT IFD_OUT FRONT END Nile-TCON SIF_OUT PROCESSOR DDR2 TUNER EEPROM STB5V STB3.3V...
9.2. Block (1/2) Diagram DIGITAL SIGNAL PROCESSOR POWER LED REMOTE RECEIVER C.A.T.S. SENSOR D2500 SN2501 POWER LED C.A.T.S. R_LED_ON POWER LED(R) SENSOR C.A.T.S. C.A.T.S. RM2501 REMOTE IN REMOTE IN SUB5V REMOTE PA4803 SUB+5V RECEIVER STB3.3V STB+3.3V SOUND15V F15V KEYSCAN1 KEYSCAN1 CONTROL PANEL ASSY KEYSCAN3 KEYSCAN3...
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...
11.13. A-Board (12/12) and V-Board Schematic Diagram A-BOARD TXN/A10QHMS (12/12) to HDMI1/2 SDA_DDC_BH TO 8/12 CONNECTER for LCD SCL_DDC_BH LCD model A-P CONNECTOR to INV SUB5V INV LED SUB5V R2767 Q2761 *R2780 *TP2786 R4601 R4602 B1ABCF000231 R2769 Q2760 B1ABCF000231 TO 1,11/12 TO 1,11/12 *D2753 P-BOARD...
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A-BOARD (COMPONENT SIDE) TXN/A10QHMS JS1000 JS1001 JS1002 R4621 JS1003 JS1004 JS1005 A 1 3 JS1006 JS1007JS1008 JS1010 JS1013 JS1022 JS1025 G ( G A ) H ( H A ) J ( J A ) JS1011 JS1014 JS1023 JS1026 L8501 K ( K A ) L ( L A ) M ( M A )
12.2. V-Board V-BOARD (FOIL SIDE) TXN/V10QHMM T P 2 5 0 7 T P 2 5 0 0 T P 2 5 0 2 TP2507 TP2500 T P 2 5 0 1 TP2502 TP2501 TP2506 T P 2 5 0 4 P b F T P 2 5 0 3 TP2503...
13.2. Electrical Replacement Parts List 13.2.1. Replacement Parts List Notes...
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13.2.2. Electrical Replacement Parts List Safety Ref. No. Part No. Part Name & Pcs Remarks Description Safety Ref. No. Part No. Part Name & Pcs Remarks C2514 F1J1A106A087 C 0.010UF, K, Description C2700,01 F1G1E1030005 C 0.01UF, Z, 25V N0AE4GK00003 CIRCUIT BOARD P PAVCA C4125,26 F1G1E1030005 C 0.01UF, Z, 25V...
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Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description C8022 F1G1C103A116 C 0.010UF, K, C8145 F1G1C104A077 C 0.10UF, K, 16V C8146 F1G1H1020008 C 1000UF, 50V C8023 F1G1H5R0A564 C 5.0UF, 50V C8147 F1G1C104A077 C 0.10UF, K, 16V C8024...
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Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description Q5612,13 B1ABCF000231 TRANSISTOR IC2106 C1AB00003069 IC Q5615 B1ABGC000011 TRANSISTOR IC2110 C0JBAB000854 IC PAVCA Q5616 DSC2001S0L TRANSISTOR IC4700 C1ZBZ0004161 IC Q8002,03 B1ABCF000231 TRANSISTOR IC4701...
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Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R2388 ERJ2GEJ220 M 22 OHM, R4548 ERJ2GEJ220 M 22 OHM, J,0.063W J,0.063W R2391 D1BB75R0A055 M 75 OHM, 1/10W R4549,50 ERJ2GEJ151 M 150 OHM,...
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Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R5608 D0GA222JA015 M 2.2KOHM, R8043 D0GA473JA015 M 47KOHM, J,0.063W J,0.063W R5610 D0GA471JA015 M 470OHM, R8044 ERJ2GEJ102X M 1K OHM J 1/4W J,0.063W R8045 D0GA473JA015 M 47KOHM,...
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Safety Ref. No. Part No. Part Name & Pcs Remarks Safety Ref. No. Part No. Part Name & Pcs Remarks Description Description R8332 ERJ2GEJ220 M 22 OHM, X8000 H0J250500094 CRYSTAL PAVCA J,0.063W R8333 D0GA122JA015 M 1.2KOHM, ZA5400-02 K4ZZ01000267 TERMINAL J,0.063W ZA5405 K4ZZ01000267 TERMINAL R8334...
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