Institute (ANSI C101.1, Leakage Current for characteristics as the recommended replacement part Appliances), and Underwriters Laboratories (UL might create shock, fire and / or other hazards. Product Publication UL1410, 59.7). safety is under review continuously and new instructions are issued whenever appropriate. GH17P*/GH18P*...
Use only an anti-static solder removal device. Some brushing clothes together, or lifting your foot from solder removal devices not classified as “anti-static” a carpeted floor can generate enough static can generate electrical charges sufficient to damage electricity to damage an ESD. ESDs. GH17P*/GH18P*...
Pin No. Rx2- No Connection Rx2+ DDC Power Input (+5V) Self Raster No Connection Connection Signal Output (+5V) No Connection Rx0- DDC Clock (SCL) Rx0+ DDC Data (SDA) No Connection No Connection Rx1- No Connection Rx1+ RxC+ No Connection RxC- GH17P*/GH18P*...
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Frequency 60.020Hz Total time 16.005ms Active time 15.630ms Blank time 0.375ms Border (T / B) 0.000ms Data time 15.630ms Front porch 0.016ms Sync. width 0.047ms Back porch 0.594ms Sync. polarity Positive Dot Clock 108.00MHz Sync. Type Separate Scan Type GH17P*/GH18P*...
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0.026ms 0.027ms Sync. width 0.064ms 0.064ms 0.064ms 0.079ms 0.080ms Back porch 1.716ms 0.858ms 0.794ms 0.528ms 0.427ms Sync. polarity Negative Positive Negative Negative Negative Dot Clock 25.175MHz 28.322MHz 25.175MHz 31.500MHz 31.500MHz Sync. Type Separate Separate Separate Separate Separate Scan Type GH17P*/GH18P*...
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0.060ms 0.057ms 0.106ms Back porch 0.578ms 1.114ms 0.784ms 0.626ms 0.607ms Sync. polarity Negative Negative Negative Positive Positive or Negative Dot Clock 36.000MHz 30.240MHz 57.284MHz 36.000MHz 40.000MHz Sync. Type Separate Separate Separate Separate Separate Composite Composite Sync.-on-G Sync.-on-G Scan Type GH17P*/GH18P*...
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Sync. Type Separate Separate Separate Separate Separate Scan Type Definition of Terms "Activer"Video Blanking Video Front Back Back Top/Left "Addressable"Video Bottom/Right Porch Porch Sync Porch Border (Addr Time) Border Sync HSync YSync Blank Srart Blank Time Sync Sync Srart Time GH17P*/GH18P*...
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0.017ms 0.015ms 0.013ms 2 pixels Sync. width 0.050ms 0.044ms 0.038ms 8 pixels Back porch 0.466ms 0.524ms 0.475ms 32 pixels Sync. polarity Positive Positive Positive Negative Dot Clock 78.750MHz 94.500MHz 135.00MHz 135.00MHz Sync. Type Separate Separate Separate Composite Scan Type GH17P*/GH18P*...
WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 3-1 Disassembly (GH17P*) Cautions:1. Disconnect the monitor from the power source before disassembly. 2. Follow these directions carefully; never use metal instruments to pry apart the cabinet.
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5. Pull up the jig and the corner of rear cover at the same time. 3. Do the step 2 in opposite side until it opens. 6. Do the step 5 in the opposite side until it opens. GH17P*/GH18P*...
4-1 Troubleshooting (GH17P*) Notes: 1. Before troubleshooting, setup the PC’s display as below. • Resolution: 1280 x 1024 • H-frequency: 63 kHz • V-frequency: 75 Hz 2. If no picture appears, make sure the power cord is correctly connected. 3. Check the following circuits.
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(A_H*V_SYNC, A_V_SYNC) During power on-off, does the input signal appear at Pin 14, 15, 17, 18, 20, 21 of IC521? Check IC521 and related circuit. (HCLK,HFS,HDATA(0),HDATA(1),HDATA(2),HDATA(3)) Does the video signal Check IC301 and related circuit. appear at the output port? GH17P*/GH18P*...
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R303,R304, R305, R306, R307, and R308? During power on-off, does the input signal appear Check IC521 and related circuit. at Pin 14, 15, 17, 18, 20, 21 of IC521? (HCLK,HFS,HDATA(0),HDATA(1),HDATA(2),HDATA(3)) Check IC301 and related circuit. Does the video signal appear at the output port? GH17P*/GH18P*...
Check IC523, IC510, IC104 at Pin 2 of IC523, IC510 and DC 2.5V and related circuit. appear at Pin 3 of IC104? Does proper DC 5V, Check IC524 and related circuit. appear at Pin 3 of IC524? Check IC521. GH17P*/GH18P*...
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(A_H*V_SYNC, A_V_SYNC) During power on-off, does the input signal appear at Pin 14, 15, 17, 18, 20, 21 of IC521? Check IC521 and related circuit. (HCLK,HFS,HDATA(0),HDATA(1),HDATA(2),HDATA(3)) Does the video signal Check IC301 and related circuit. appear at the output port? GH17P*/GH18P*...
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During power on-off, does the input signal appear Check IC521 and related circuit. at Pin 14, 15, 17, 18, 20, 21 of IC521? (HCLK,HFS,HDATA(0),HDATA(1),HDATA(2),HDATA(3)) Does the video signal appear at the output port? Check IC301 and related circuit. WAVEFORMS GH17P*/GH18P*...
8 Wiring Diagram 8-1 GH17P* CN402 INVERTER DGND CN504 PWR_SW LED_GRN CN101 BRT_ADJ BRIGHT LED_ABM BL_ON/OFF BKLT_EN MENU MAIN PCB EXIT (VDD) 5V (VDD) 5V DOWN AUTO 12V DC 12V DC DGND 12V DC 12V DC 5V_LED 12V DC LED_A...