ADJUSTMENT PROCEDURE
1. Test Equipment Required
The following Test Equipments are required for adjustment of the Digital AV Mixer WJ-AVE55.
Oscilloscope Frequency Counter Digital Voltmeter Vectorscope Waveform Monitor Underscanned Colour Video Monitor Video Signal Generator Audio Generator Extension Board (Part Number: YWV01034AN) for Power Board and Main Board as shown Fig. 1-1.
Disconnect the flat cable. Remove five screws. Remove five screws.
Fig. 2-2 Referring to Fig. 2-3, connect the Extension Board between CN3 on the Power Board and CN3 on the Main Board.
Fig. 1-1
2. Disassembling Procedure for Adjustment
Referring to Fig. 2-1, remove nine screws that secure the Upper Cover and remove the Upper Cover.
Connect the Extension Board.
Fig. 2-3
Remove nine screws.
Fig. 2-1 Referring to Fig. 2-2, remove five screws that secure the Shield Cover and remove the Shield Cover. Disconnect the Flat Cable from CN3 on the Power Board and CN3 on the Main Board. Remove five screws that secure the Main Board and remove the Main Board.