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ORDER NO. ITD0311071C3 LCD TV TX-17LA1M TX-17LA1Q TX-17LA1Z TX-17LA1X TX-17LA1T TC-17LA1H TX-20LA1M TX-20LA1Q TX-20LA1Z TX-20LA1X TX-20LA1T TC-20LA1H LH11 Chassis Power Source Receiving Systems/ Band name AC 100~240V, 50/60Hz Power Consumption Average use: 56W (17inch model) 60W (20inch model) Stand-by condition: 1.8W TV set DC 15V, 3.2 A max.
TX-17LA1M 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.
TX-17LA1M 2 Prevention of Electro Static 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"...
TX-17LA1M 3 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).
TX-17LA1M 4 Self Check 1. Self-Check is used to automatically check the bus lines and hexadecimal code of the TV set. 2. To get into the Self -Check mode press the [Down ( )] button on the customer controls at the front of the set, at the same time pressing the [SET UP] button on the remote control, and the screen will show : If the CCU ports have been checked and found to be incorrect or not located then “--”...
TX-17LA1M 8 Disassembly for Service <17inch model> 8.1. Hinge cover and AV cable cover 1. Thick cloth and so on is down to damage a LCD screen, and the unit is pushed down. 2. Remove the AV cable cover. 3. Remove the screw (1pcs), and detach the hinge cover.
TX-17LA1M 8.3. AV terminal cover, EP jack 8.4. Shield plate cover, and Tuner cover 1. Remove the screws (5pcs) (17inch model)/(6pcs) (20inch model), and detach the shield plate. 1. Remove the AV terminal cover. 2. Disengage the shaft holder hook and detach the power 2.
TX-17LA1M <20inch model> 8.5. Inverter shield and Lock hinge (20inch model) 1. Remove the screws (6pcs) and the screw (1pcs), and detach the lock hinge and the inverter shield. 2. Disengage the shaft holder hook and detach the power button shaft.
TX-17LA1M 8.6. B-Board and K-Board 8.7. BL-Board, DG-Board and A- Board 1. Remove the K-Board 2. Remove the screw (1pcs), and detach the B-Board. 1. Remove the screw (1pcs) (17inch model)/(2pcs) (20inch model), and detach the BL-Board. <17inch model> 2. Remove the screws (3pcs) (17inch model)/(5pcs) (20inch model), and detach the DG-Board.
TX-17LA1M 8.8. V-Board 8.9. Speaker 1. Remove the screw (1pcs), and detach the V-Board. 1. Remove the screws (3pcs), and detach the speaker (L). <17inch model> 2. Remove the screws (3pcs), and detach the speaker (R). <17inch model> <20inch model>...
TX-17LA1M 9 Service Mode Function MPU controls the functions switching for each IICs through IIC bus in this chassis. The following setting and adjustment can be adjusted by remote control in Service Mode. 9.1. How to enter SERVICE 1 1. In sound menu, set BASS to MAXIMUM, and set TREBLE to MINIMUM.
If the memory IC (IC1004) or DG Board is replaced, option code should be re-memorized. Spare part of IC1004 is already memorized all Data for TX-17LA1M. If you use for other model, you should re-memorized the different option code in SERVICE 2 mode.
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TX-17LA1M 9.5. Option Code Setting (20 inch model) If the memory IC (IC1004) or DG Board is replaced, option code should be re-memorized. Spare part of IC1004 is already memorized all Data for TX-20LA1M. If you use for other model, you should re-memorized the different option code in SERVICE 2 mode.
11.2. Power Block Diagram SW801 PUSH Q851 IC2501 IC802 IC803 Q801 AVR 9V AVR 8V STB 15V IC4001 IC851 Q803 AV SW COMPARATOR IC805 Q805 Q809 AVR 5V STB 5V Q804 Q814 Q813 Q810 POW ON IC807 MAIN POW AVR 3.3V STB 3.3V DC 15V IC601...
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TO DG9001 Q851 STB 5V STB 3.3V STB 3.3V STB 2.5V STB 2.5V 1.5V 1.5V PIXEL POW INV ON INV PWM INV DET MAIN POW LED R REMOTE IC601 AC INV ON IC602 IC4103 IC4102 INV DET B-BOARD AGC DET EX.I/O TNR001 T601...
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DG9001 DG-BOARD TO A6 IC9002 IC1003 3.3V 3.3V STB 5V STB 3.3V STB 3.3V STB 2.5V STB 2.5V 1.5V 1.5V MAIN POW PIXEL POW IC9001 INV ON IC1002 IC900 INV PWM GC2M+ IC9003 8bit A/D RESET INV DET FORMAT C VDDI 2.5 AVR 3.3V IC1007...
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17 inch model only DG6501 LCD PANEL 3.3V PIXEL POW PANEL ON Q6015 Q6503 IC6503 IC3003 IC9007 R-LCD DRIVER 8bit A/D RESET IC6506 FORMAT CONV. GATE DRIVE Q6014 Q6502 AVDAD1 VOLTAGE IC3001 AVDAD2 VDD2a AVDAD3 IC6004 IC6501 EEPROM VDD1 AVDAD4 IC6507 PIXEL LTP CONTROL...
11.3. Signal Block Diagram IC4001 AV SW MUTE JK4000 IC2501 AV1S Y AV1S AV1S C Q2502 Q2501 MONITOR V SLO1 AUDIO SCART SRO1 S-DET HEADPHON OUTPUT 1S-DET MONITOR L SURROUND SELECT SOUND Q4001 PROCESSIN SOURCE SCART SELECT MONITOR R LOUDSPEA MAIN INPUT SLI1...
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MUTE Q2506 IC2001 HP L Q2504 AUDIO AMP HP R Q2001 DACA L HP IN1 HP OUT1 HEADPHONE DACA R HP IN2 HP OUT2 Q2004 SURROUND SOUND SP L+ MUTE OUT2+ PROCESSING OURCE SP L- OUT2- C/PB ELECT LOUDSPEAKER SP R+ DACM L SOUND OUT1+...
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JK1201 HP OUT DG9001 HP L HP R C/PB C/PB RGBSCL SCL1 RGBSDA SDA1 SCL1 IC9001 IC1003 SDA1 GC 2M+ 5V->3.3V RESQ IC9002 RESQ LCDSCL2 SYNC 5V->3.3V VIN3 MUTE LCDSDA2 A/D 10bit SEPA MUTE 0/1/2 SDA0 REMOTE 10bit REMOTE Detection SCL0 LED R VIN1...
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17 inch model only IC6501 IC6004 CONTROL IC6503 IC6504 IC6505 PIXEL RGB SCL R-LCD G-LCD B-LCD CONVERTER RGB SDA DRIVER DRIVER DRIVER CTLR 11 14 CK1B 9 10 12 14 10 12 14 10 12 14 NR FF 157 158 CK2B 1 18 17 1 18...
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JK1201 HP OUT DG9001 HP L HP R 17 inch model only C/PB C/PB RGBSCL SCL1 RGBSDA IC6501 SDA1 SCL1 IC9001 IC1003 IC6004 SDA1 CONTROL IC6503 IC6504 IC6505 GC 2M+ 5V->3.3V RESQ PIXEL IC9002 RGB SCL RESQ R-LCD G-LCD B-LCD CONVERTER LCDSCL2 SYNC...
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IC4001 AV SW MUTE MUTE JK4000 IC2501 AV1S Y AV1S AV1S C Q2502 Q2506 IC2001 HP L Q2501 Q2504 AUDIO AMP MONITOR V HP R SLO1 AUDIO Q2001 SCART DACA L HP IN1 HP OUT1 SRO1 S-DET HEADPHONE 1S-DET OUTPUT DACA R HP IN2 HP OUT2...