Daewoo DSC-34W70N, Руководство по обслуживанию

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7. Special Adjustment
(When replacing new circuit boards)
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1. Power assembly
1) After replacing a new assembly, X Radiation Protection Circuit Test
When service has been performed on the horizontal deflection system, high voltage system or B+ system, the
X-Radiation Protection Circuit Test must be tested for proper operation as follows:
1-1) Operate the HDTV Monitor for at least 20 minutes.
1-2) Perform this test at the normal video and sound.
1-3) Check the cathode voltage of D837. Its voltage should be about 25VDC.
1-4) Connect a resister 24K(1/4W) with parallel to R873.
1-5) Then the set will be shut down, lighting up red to the power indicator.
1-6) If it is not, the circuit of X-Radiation Protection must be repaired before the set is returned to the
customer.
2) The rest adjustment idem are no need to adjust.
2. Main assembly
1) After replacing a new assembly, the rest adjustments are no need.
3. Video assembly
1) No need to adjust.