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Now downloading free:Samsung Samsung LNT3242H LNT4042H LNT4642H Troubleshooting [SM]

Samsung Samsung LNT3242H LNT4042H LNT4642H Troubleshooting [SM] free download

Computer monitors - CRT, TFT, LCD, touch screen, plasma display - service manuals and repair information

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File name:Samsung_LNT3242H_LNT4042H_LNT4642H_Troubleshooting_[SM].pdf
[preview Samsung LNT3242H LNT4042H LNT4642H Troubleshooting [SM]]
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Mfg:Samsung
Model:Samsung LNT3242H LNT4042H LNT4642H Troubleshooting [SM] 🔎
Original:Samsung LNT3242H LNT4042H LNT4642H Troubleshooting [SM] 🔎
Descr: Samsung Monitor Samsung_LNT3242H_LNT4042H_LNT4642H_Troubleshooting_[SM].pdf
Group:Electronics > Computer equipment > Monitors
Uploaded:01-03-2020
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File name Samsung_LNT3242H_LNT4042H_LNT4642H_Troubleshooting_[SM].pdf

4 Troubleshooting 4 Troubleshooting 4-1 No Power Backlight Off, power indicator No Check a connection power cable. LED remains red color? P/N: BN39-00802A Yes s Ye Change the Main Power Ass'y Does proper Stand-by DC 5V No 23": BN44-00158A appear at C144? 26": BN44-00156A 32": BN44-00156A Yes 40": BN44-00167A Does proper Main DC 46": BN44-00168A No B13V,B5V,B12VS appear at C103,C113,C117? Yes Does proper Inverter DC 24V No appear at CNM802 in SMPS? Yes Does proper DC A5V,A3.3V No Check IC106, IC107 appear at C144,C140? Change the Main Ass'y refer to Parts list Yes Does proper DC B9V, B8V, No PANEL_VCC,B3.3V_1 Check IC100,D100,IC101,IC103 appear at C106, C107, Change the Main Ass'y refer to Parts list C121,C131? Yes Does proper DC No Check IC203 MEM1.8V appear at C232,C230? Change the Main Ass'y refer to Parts list Yes Does proper DC 2.5_IO, No Check IC401, IC1200 B2.5V_MSTV appear at Change the Main Ass'y refer to Parts list C450,C1225? Yes Check another function refer to page No 4-6 ~ 4-14. Replace a LCD panel A power is supplied to set? refer to Parts list. 4-1 4 Troubleshooting 4-2 No Video (Analog PC Signal) Power Indicator is off. backlight on, no video Yes Check the PC source and No Input an analog PC signal. check the connection of Check the connected cable. DSUB? Yes Does the signal appear at No Check JA700, PC cable. 1 #11,#9,#6,#2,#3 Change the PC cable. Change the (R,G,B,H,V) of IC1201? main PCB ass'y Yes Does the digital data appear at No Check IC1201 2 output of RA1201~6? Change the main PCB ass'y

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