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Now downloading free:SAMSUNG DP14LT7N_ING.IN050.E.09


Download SAMSUNG DP14LT7N_ING.IN050.E.09 docs - Computer monitors - CRT, TFT, LCD, touch screen, plasma display - service manuals and repair information

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File name:DP14LT7N_ING.IN050.E.09.pdf
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DP14LT7N_ING.IN050.E.09

Original Chassis:[email protected]
Descr:Schematic service manual - Huỳnh Trọng Huy
Group:Electronics > Computer equipment > Monitors >
Uploaded:2007-08-04 18:07:12
User:huydim
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DP14LT7N_ING.IN050.E.09.pdf6 Troubleshooting 6-1 General Troubleshooting Notes: 1. If a picture does not appear, fully rotate the brightness and contrast controls clockwise and reinspect. 2. Check the following circuits. No raster appears: Power circuit, Horizontal output circuit, H/V control circuit, and H/V output circuit. High voltage develops but no raster appears: Video output circuits. High voltage does not develop: Horizontal output circuits. 6-1-1 No Picture Check signal cable connection, H/V Sync input. Check Timing mode (14": 30~55kHz, 15": 30~61kHz). Check Cont, Bright key (all Max) and Screen VR (G2). Check key components of secondary part. : D406, D407, D408, D515, Q402, Q410, Q504, Rectifier diodes (D608 ~ D612), IC101 (Vcc~GND) Check key components of primary part. : D601 ~ D607, FH601, IC601, TH602 Refer to 6-2-16 No Video. Check SW601 (Power key) Refer to 6-2-1 No Power. Refer to 6-2-3 No Raster and 6-2-12 High Voltage Failure. Refer to 6-2-17 Micom Failure. Refer to 6-2-13 I2C Fa

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