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TYPICAL PROBLEMS OF "SAMSUNG" MONITORS

Samsung SyncMaster CQA4147, 4143, 4147, 4153 (L)

  • When the fuse FH601 is on, it is on. Check the PTC601, D601-D604, C604, R603, Q602, R622, C613, D608.

  • The monitor does not turn on, the FH601 is full. Check D614, C618, Q603, D613, C618, R616, R617, IC601, Q602, D607, D609, Q602, OP601.

  • The monitor does not turn on, a squeak is heard from the power supply. Check the OP601, C609, D611, D610, C610, Q601, IC602, D618, C626, D619, C644, C627, C630, D620, C629, D621, C631, IC603, Q607, C640, D622, C632, D605, D606, C605 .

  • The power supply is working, the monitor does not turn on. Check the IC201, Q205, Q204.

  • One of the colors predominates or is missing. Check D101, D102, R102, R101, C101, R103, IC101, IC102, R107, D103, D104, D105, C106, R108, R109.

  • No picture. Check the IC102, D405, C414, Q502, D505, D301, R460, R308.

  • The monitor does not turn on. Check Q206, Q404, Q403, IC402, Q408, Q401, Q402, Q406, C410, Q405, Q407, L403, L401, L402.

  • Vertical strip. Check the IC401, Q405, Q407, Q406, L402, D407, D406, L401.

  • Horizontal strip. Check the IC301, R304.

  • No frame synchronization. Check the R470, R471, IC301.

Samsung CST 7677L, CST7687L

  • Does not turn on, fuse F601 is on. Check TH601, R606, D602, IC601, C610, C613, R607, C611, D601, C609, C608, C615, D619, IC605, Q604, C622, R623, R626, IC602, R627, D610.

  • Does not turn on, F601 intact. Check the IC605, T603, Q607, Q609, IC606, Q608, C617, D605, IC602. The power supply is unstable. Check the Q503, C623, D607.

  • Vertical strip. Check the IC401, Q406, Q407, Q408, Q409, IC201, IC203, IC403, IC402, Q405, IC302, R484, C437, C470, D410, D409, D425, D411.

  • Narrowing or widening of the raster. Check the IC201, Q410, Q411, Q412, Q413, C450, C452, C451, C449, C453, RL401, Q423.

  • Does not turn on, the standby mode works. Check R508, Q504, R513, R505, C505, Q503, R504, Q505, R509, Q501, IC501, D506, D523, D508, D509, IC302, Q593.

  • Strongly heated Q505, Q504. Check them and D521, C510, T502.

  • There is no synchronization by rows. Check the IC110, Q401, C402, IC302.

  • No frame synchronization. Check the Q106, Q107, IC110, Q301, IC302.

  • Horizontal strip. Check the R320, C315, R329, IC301.

  • Horizontal image curls. Check C311, C316, C317, C315, C313, C312, D301.

No operational adjustments. Check the buttons SW2a-SW201, IC201, IC203

  • No storage adjustments. Check the IC202, Q203, Q204, IC201.

  • The predominance or absence of one of the primary colors. Check RR42, CR1, IC101, QR2, RR17, CR8, RR19, CR9, IC102, CR11, Q1, RG42, CG1, QG2, RG17, CG8, RG19, CG9, CG11, Q2, RB42, CB1, QB2, RB17, RB14 , CB9, CB8, CB11, Q3. Adjustment of the white balance can be performed by R11, R12, R13, and the video signal amplitude is VRB1, VRG1, VRR1.

  • There is no display. Check the IC105, IC111.

  • The contrast is not adjusted. Check the Q512, VR504, Q511, D103, C102, LF101, C136, VR3, IC101.

Samsung CVL495

  • Does not turn on, fuse F601 is on. Check the D601-D604, C613, IC601.

  • Does not turn on, fuse F601 intact. Check R602, R603, R604, D606, IC601, R606, C616, VR601, D607.

  • The output voltages differ from the norm and are not regulated by the VR601. Check the C616, VR601, IC601.

  • On the monitor screen, characteristic interference from the network. Check the T602, D608, IC601.

  • No picture. Check the IC602, Q201, Q202, D211, C204.

  • One of the primary colors is missing. Check FT101, R101, D101, D102, VR101, IC101, Q101-Q104.

  • The brightness can not be adjusted with the VR501. Check the VR501, VR101, R507, Q501, D501, D502, C501, C503, R501.

  • The contrast is not adjusted. Check the Q187, R198, VR191, Q186, C189, D190.

  • No frame synchronization. Check the D202, D205, IC201, IC401. Adjust with VR301.

  • There is no synchronization by rows. Check D203, D206, IC201, C402-C409, R403-R409, IC401.

  • The overload protection is activated. Check the Q402, D405, D409, C421, C423, T402.

  • There is no high voltage. Check the T402, R434, Q402, C421, C423, D406, D409, D410.

  • The screen is a vertical line. Check C423, C424.

  • The image is out of focus, the brightness is small. Check the T402.

  • Do not adjust the size horizontally. Check the Q403, Q404, C425.

  • The screen is a horizontal line. Check the IC301.

  • Violated and not regulated linearity in the vertical direction. Check the R323-R326, VR333, C307, C308.

  • Curls of the image at the top or bottom of the screen. Check the C311, C322, C309, C310, C313.

  • The image is shifted up or down. Check the C317, Q306, Q307, D305-D307.

  • The vertical dimension is not adjustable. Check the R308, R309, VR302, Q303, IC301.

Samsung CVM-496 * P, CVM-478 * P

  • Does not turn on, fuse F601. Check the D601-D604, PR501, C613, B601, C610, D610, Q602, D608, IC601.

  • From the PS, a squeak is heard, sometimes the Q602 crashes. Check the IC602, Q601, IC603, IC601, Q603, D613, D614, D616, D619, C613, C633, C636, C641.

  • Does not turn on, fuse F601 intact. Check the Q603, D612, D611, C624, C621, C618, IC602, Q602, D608, R602.

  • Vertical strip. Check the Q403, Q404, IC302, L403, C427, Q402.

  • A strong squeak is heard from the transformer, and sometimes the protection of the power unit is triggered. The image is narrow and dim. Check the T402, C456, C462, D457, C464, D404, Q459, C433, Q402, T401, D456, Q456-Q458.

  • The image is very bright and not adjustable. The Q454, Q402 are heated. Check the Q456-Q459.

  • Pincushion or barrel distortions of the raster. Check the IC301, Q403, Q404, Q406. Set up using VR303, VR307.

  • Centering is broken horizontally. Check the D406, D407, SW401.

  • Horizontal strip. Check the Q604, Q606, R302, C308, R323, IC301.

  • Vertical distortion. Check the C303, C366, C307, IC301.

  • No frame synchronization. Check the D301, C304, IC301.

  • Vertical alignment is broken. Check the Q301, Q302, D303-D305, C308, IC301. Adjust the VR304.

  • No picture. Check the IC101, VR502, D408, C434, Q501.

  • The predominance or absence of one of the colors. Check QB03, QR03, QG03, QR04, QB04, QG04.

Samsung CVP 423P / 486PL

  • The fuse F601 lights up when the unit is switched on. Check the D601-D604, PR601, Q602, IC601.

  • Does not turn on, fuse F601 intact. Check the Q602, R613, R614, IC601.

  • The voltage of the PSU is not normal and is not regulated by the VR601. Check the IC602, D615, Q601, D611, Q603.

  • The screen shows interference from the network. Check the C626, C627, D609, D620, IC601.

  • No image, glow and high there. Check the IC201, IC101.

  • There is not one of the primary colors. Check the IC101, QR01-QR04, QG01-QG04, QB01-QB04.

  • The contrast of the image is not adjusted. Check the D503, Q502, Q203.

  • Small and not adjustable brightness. Check the D408, C434, R501, VR501.

  • There is no synchronization by rows and frames. Check the IC604, IC201, X201. No row synchronization. Check D209, IC201, VR402, C408, C412, C415, R406, R408, IC401.

  • The image is shifted to the right or left, the edge of the image is wrapped, the offset adjustment VR401 does not work. Check the VR401, C403, IC401.

  • No frame synchronization. Check the D206, IC201, Q202, C304, IC301.

  • The protection of the PSU is triggered. Check the Q402, D457, D403, D404, T402.

  • There is no high voltage. Check Q459, Q444, Q452-Q458, IC451, Q401, C416, T401, C431, C433, C424, C429, Q402.

  • Vertical strip. Check C427, C433, C499.

  • Do not adjust the image size horizontally with the VR306. Check C429, C431, C433, Q403, Q404, C423, IC302, VR306.

  • Linearity is broken horizontally. Check C428, C427, D427, D407, C499. Adjust the L404.

  • Horizontal strip. Check the R302, C308, IC301.

  • Linearity is violated vertically. Check the C306, C307, VR302, IC301.

  • The picture is twisted from above or below. Check the C308, C303, C311, C312.

  • The image is vertically displaced and VR304 is not installed. Check the C314, Q301-Q303.

  • The vertical dimension is not adjustable. Check the IC201, IC301, C303, VR201, VR301.

Samsung SyncMaster CQB 4147, 4143, 4157, 4153 (L)

  • The fuse F601 lights up when the unit is switched on. Check the D601-D604, C601-C604, IC601, IC602, Q602, C613, D608.

  • PSU does not work, fuse F601 is intact. Check the L601, Q206, Q207, IC201, Q601, R616-R618, Q603, D613, C616, C618, Q602, OP601, IC602, D606.

  • The output voltage of the PSU is not normal. Check the D606, IC602, OP601, IC601.

  • No frame synchronization. Check the D281, IC201, IC401, C402, C403, C406.

  • No picture. Check the IC201.

  • The contrast is not adjusted. Check the Q203, C108, D501, Q501, D502, D503, C501, IC101.

  • No high voltage, no raster. Check Q408, C434, C413, D408, IC402, Q415, Q404, C418, C422, C423, D406, D407, Q403.

  • Vertical line. Check the C420, C421.

  • The linearity is broken and not regulated horizontally. Adjust the L481, check the C419-C421, Q412, Q413, C423.

  • Image size can not be adjusted. Check the Q414, VR404, C409, C410, C421, Q405-Q407.

  • Horizontal strip. Check the R304, IC301.

  • Torsions from above or below. Check the C402-C406.

Samsung SyncMaster 15Ge, 15GLe, 4NE

  • The fuse F601 lights up when the unit is switched on. Check the D601-D604, C601-C604, IC601, Q601, C607, C608.

  • PSU does not work, fuse F601 is intact. Check the L601, L602, IC601, Q601, IC604, IC605, R602, R603, Q602, D610, C616.

  • The output voltage of the PSU is not normal and is not regulated by the VR601. Check the D626, IC602, IC603, IC601.

  • The screen has colored spots. Check the IC201, Q608, RL601, PR601.

  • The controls on the control panel do not work. Check the IC201.

  • No white balance. Check the C224, C225, C229-C232, IC201.

  • No picture. Check the Q102, Q101, IC101.

  • The contrast is not adjusted. Check the Q173, Q172, D174, Q181, Q182, IC101.

  • No high voltage, no raster. Check the IC201, IC401, C401-C410, R698, L403, D406, T402, Q407-Q411, C476, C477, C462, D410, D411.

  • Horizontal strip. Check C301-C303, C435, C436, IC401, R310, IC301, C310, C311.

  • Horizontal distortion of the raster is not corrected. Check the IC402, Q402, Q403, IC401.

  • Vertical line. Check C453, C462, C463, D410.

  • The horizontal dimension is not normal and is not adjustable. Check the IC402-1, IC402-2, Q421, Q412, Q413, C451.

  • Lines of return. Check the R456, D413, C455.

  • Vertical distortion. Check the C306, C308, C310, C312.

Samsung SyncMaster 17GLM

  • The fuse F601 lights up when the unit is switched on. Check the D662-D665, C605, Q603, IC601, C609, C610, D696, D610.

  • PSU does not work, fuse F601 is intact. Check the Q601-Q603, R611, R613, D606, D607, IC601, IC651.

  • The output voltage of the PSU is not normal. Check the VR601, R939, IC601.

  • On the screen, characteristic interference from the network. Check the T602, C611, IC601.

  • The monitor does not turn on. Check the IC205, C221, CR201, D105, ZD103, ZD104, IC201.

  • The screen has colored spots. Check the IC201, Q601, RL601.

  • The controls on the control panel do not work. Check the D203-D205, IC201.

  • The information on the monitor screen is not displayed in the adjustment mode. Check the IC201, IC103, IC104.

  • The horizontal dimension is not normal and is not adjustable. Check the IC201, R214, C206, IC302.

  • No white balance. Check the IC201, R243-R247, R255, R256, C226-C231, IC105.

  • The brightness can not be adjusted. Check the C516, T503, VR172, C552.

  • Lines of return. Check the Q505, Q409, Q301, Q302.

  • The contrast is not adjusted. Check the D554, VR602, C554, C555, Q511, IC101.

  • No high voltage, no raster. Check the C404-C410, IC401, Q402, Q403.

  • No row synchronization. Check the IC401, C404-C406, C408-C410.

  • Horizontal strip. Check C442, C491, C314-C316, IC401, IC301.

  • No frame synchronization. Check the IC401, C314-C316.

  • There is no raster, there is high voltage. Check the Q415, T401.

  • The image is rotated vertically to half the screen. Check the R301, R302, IC301.

  • Vertical distortion. Check the C304-C306, C309, C375, IC301

Samsung SC-726 GXL

  • The fuse F601 lights up when the unit is switched on. Check C607, C608, IC601, Q603, HIC601, D610, C627, R628, D606, D607, T602, IC603.

  • PSU does not work, fuse F601 is intact. Check the LF601, Q603, IC601, IC681, IC202, C232, IC201.

  • The output voltage of the PSU is not normal. Check the VR601, IC681, HIC601.

  • The monitor does not turn on. Check the IC202, X201, C232, TC202, IC201.

  • The screen has colored spots. Check the IC201, C604, Q601, RL601.

  • The controls on the control panel do not work. Check R1-R10, D285, D286, R231, R232, R251, R252, IC201.

  • The information on the monitor screen is not displayed in the adjustment mode. Check the IC201, IC403, Q416, Q417, IC105, IC106.

  • No white balance. Check the IC201, R207-R209, R214, R215, C201-C206.

  • The contrast is not adjusted. Check the IC201, Q333, Q383, ZD881, Q881, Q802, C803.

  • The brightness is not adjustable. Check the VR182, D513, C516, T502.

  • Lines of return. Check the Q805, Q301, Q302, Q804.

  • The service information is not saved after shutdown. Check the IC201, IC110, Q101, C145.

  • No high voltage, no raster. Check the IC201, IC401, Q402, Q403, C407, C411, C415, Q501, T501, Q502, T502, Q503, HIC501, Q401, T401, Q407.

  • No row synchronization. Check the IC401, C407, C409, C411, C415.

  • Horizontal strip. Check C413, C414, IC401, C415.

  • No frame synchronization. Check the IC401, C413, C414.

  • The horizontal dimension is not normal and is not adjustable. Check the HIC401, T404, Q405, Q406, T402. C426, D406. Vertical strip. Check the C435, C436.

  • Linearity is broken and not regulated. Check the IC201, IC404, L402, C434-C436, C429-C431.

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