AVD-S500ES
SECTION 5
ELECTRICAL ADJUSTMENTS
Note:ADJUSTMENT OF VIDEO SYSTEM
1. VIDEO board is basically designed to operate without adjustment.
Therefore, check each item in order given.
1. Video Level Adjustment (MB Board)
2. Use DVD reference disc unless othermise indicated.
<Purpose>
[DVD reference disc]
LUV-P01 (CD): PART No. 4-999-032-01This adjustment is made to satisfy the NTSC standard, and if not
TDV-520CSO (DVD-SL) : PART No. J-2501-236-Aadjusted correctly, the brightness will be too large or small.
TDV-540C (DVD-DL): PART No. J-2501-235-A
Note: Do not use exiting test disc for DVD.
ModeVideo level adjustment in test mode
3. Use an oscilloscope with more than 10 M& impedance.
SignalColor bars
4. Clean the object lens by an applicator with neutral detergent when the
signal level is low than specified value with the folloTest pointwing checks.MONITOR (VIDEO OUT) connector
(75 & terminated)
AUTO SERVO ADJUSTMENT
InstrumentOscilloscope
After parts related to the servo circuit (RF amplifier (IC001), DSP
Adjusting elementRV1002
(IC1025), motor driver (IC1024), EEPROM (IC1028) so on) are
+0.04
replaced, re-adjusting the servo circuit is necessarSpecify. Select Oication ALL��0.021.0 Vp-p
at O1. DRIVE AUTO ADJUSTMENT� (Refer to page 19 in TEST
MODE) and adjust DVD-SL (single layer), CD and DVD-DL (dualAdjusting method:
layer).1) In the test mode initial menu O7� Video Level Adjustment, set
so that color bars are ganerated.
+0.04
2) Adjust the RV1002 to a�0.02ttain 1.0 Vp-p.
+0.04
1.0 Vp-p�0.02
2. Progressive Video Output Level Adjustment (MB Board)
<Purpose>
This adjusts progressive video output level. If it is incorrect, correct
brightness will not be attained when connected to, for instance,
projector.
ModeVideo level adjustment in test mode
SignalColor bars
Test pointMONITOR
(COMPONENT VIDEO OUT) (Y)
connector (75 & terminated)
InstrumentOscilloscope
Adjusting elementRV1001
+0.04
Specification�0.021.0 Vp-p
Adjusting method:
1) In the test mode initial menu O7� Video Level Adjustment, set
so that color bars are ganerated.
+0.04
2) Adjust the RV1001 to a�0.02ttain 1.0 Vp-p.
+0.04
1.0 Vp-p�0.02
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