Use a leakage current tester or a metering system that complies with American National Standards Institute (ANSI C101.1, Leakage Current for Appliances), and Underwriters Laboratories (UL Publication UL1410, 59.7). NK15A*/NK17A* CONFIDENTIAL (READING SHOULD NOT BE ABOVE 0.5mA) DEVICE UNDER...
Minimize body motions when handling unpackaged replacement ESDs. Motions such as brushing clothes together, or lifting your foot from a carpeted floor can generate enough static electricity to damage an ESD. NK15A*/NK17A*...
F/B GND Red IN (700mV/75 ) RGB F/B (0~0, 4V/1~3V) Video Output GND Video Input GND CVBS Out (1V/75 ) CVBS IN (1V/75 ) Common GND 2-2-4 A/V RCA Yellow CVBS Audio L RCA White Audio R RCA Red Scart2 NK15A*/NK17A*...
2 Product Specifications 2-3 Timing Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computer-generated video signals. 2-3-1 LCD Panel Mode : 1 mode NK15A*/NK17A* CONFIDENTIAL...
3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the NK15A*/NK17A* monitor. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 3-1 Disassembly Cautions:1. Disconnect the monitor from the power source before disassembly.
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CONFIDENTIAL 2. Push down the stopper and slide the lamp unit. 3. Please take out the lamp units from the LCD module. 4. Please fix the new lamp units on the LCD module : opposite process 2 and 3 NK15A*/NK17A*...
6. Do not attempt to connect or disconnect any wire while the TV is turned on. Make sure that the power cord is disconnected before replacing any parts. 7. To protect aganist shock hazard,use an isolation transform. NK15A*/NK17A* CONFIDENTIAL...
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4-2-1 Entering Factory Mode 1. To enter “Service Mode” Press the remote - control keys in this sequence : - If you do not have Factory remote - control - If you have Factory remote - control 4-2-2 Factory Mode Tree CONFIDENTIAL NK15A*/NK17A*...
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CONFIDENTIAL 4 Alignments and Adjustments NK15A*/NK17A*...
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CONFIDENTIAL 4 Alignments and Adjustments Memo NK15A*/NK17A*...
Pin 3 of IC802? Does proper DC 3.3V_B appear at FT822? Does proper DC 2.5V_B appear at Pin 3 of IC806? WAVEFORMS IC801 #2 NK15A*/NK17A* Check SMPS PCB and Adapter. Check IC801. (#2) Check IC802. Check IC805. (#1) Check IC806. IC805 #1...
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Full White R, G, B Input (C306, 398, 397) Check CN401 and cable. Check related circuit of IC350. Check R354 and related circuit of R354. Check X201 and related circuit of X201. Replace RA301 ~ RA306, IC300. X201 CONFIDENTIAL NK15A*/NK17A*...
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Does the signal appear at IC200 and 3.3V_BA. Does the signal appear at IC300 and 3.3V_BD. Check the IC901 and CN901. NK15A*/NK17A* Check the CN888(Tuner) and the CN702_1. Check the #19 and related circuit of IC011. Check the IC010 (#31~34, 37~44, 47~50) Data out and related circuit of IC010.
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Does the signal appear at Pin 27, 28 of IC919 (MSP3451)? Does the signal appear at L501 ~L504? Replace the speaker. NK15A*/NK17A* Check the CN403 (PC conector) and the CN402 (CN001) and the CN200 (CN002) and the CN888 (Tuner) and the CN702_1. Check the IC919 and related circuit of IC919.
9 Wiring Diagram BRIGHT CONTROL To Inverter CN920 INVERTER ON/0FF LED_GRN LED_RED CN701_1 +3.3V CN810 CN801 CN001 NK15A*/NK17A* CN901(15", 17") CN002 CN403 CONFIDENTIAL KEY1 CN706_1 KEY1 SPK OUT R + CN502 SPK OUT R SPK OUT L + CN501 SPK OUT L...
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