Trouble Shooting - Tatung CM-1496 Series Service Information

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No Raster
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Check 90V Line
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OK
Check H. V. Operation
OK
Check 12V Line
OK
Check CRT Heater
OK
Turn the Screen (R448)
Control Clockwise
OK
Check the Screen Voltage
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7.
TROUBLE SHOOTI.;
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Measure 90V Pin on the Main Board (PWB·1561)
NG
-I
Check the SMPS Unit
NG
Check 0402,0401, 0406 H. V. Output Circuit
NG
Check the SMPS Unit PWB-1345A
NG
Check 6.3V Pin on the Video Drive Board
(pWB-1299B)
OK NG
6.3V Line Failure Connect the 6.3V
-
Check SMPS Unit Line from SMPS
::1
T403 FBT Unit Failure
r--
.
NG
CRT Failure or Video Drive Board
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PWB 1299B Failure
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1
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