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Table of Contents
iv
WFM90D and WFM91D Service Manual
List of Figures
Figure 2--1: Installing the viewing hood 2--2.......................
Figure 2--2: Installing the desk stand 2--2..........................
Figure 2--3: Packing the Option 33 travel case 2--3..................
Figure 2--4: Removing the NiMH battery pack 2--5.................
Figure 2--5: Inside of the battery compartment, showing
polarity markings 2--6......................................
Figure 2--6: WFM90D keypad 2--8...............................
Figure 2--7: WFM90D and WFM91D side p anels 2--11...............
Figure 2--8: Onscreen readout messages 2--12.......................
Figure 2--9: Waveform and Vector menus 2--15......................
Figure 2--10: Audio, Picture, and Waveform-in-Picture menus 2--16....
Figure 2--11: Line Select menu 2--16...............................
Figure 2--12: Configuration men u 2--22............................
Figure 3--1: Simplified block diagram
(serial numbers B020100 an d above) 3--3......................
Figure 3--2: Simplified block diagram
(serial numbers below B020100) 3--4..........................
Figure 4--1: --3 dB marks on the vector graticule 4--12................
Figure 5--1: NTSC graticule showing the vector gain adjustment 5--10..
Figure 6--1: Removing the top cover 6--6..........................
Figure 6--2: Removing the cables from the LCD DIsplay assembly 6--9.
Figure 6--3: LCD Display assembly feet 6--10........................
Figure 6--4: Installing the LCD display cable 6--12...................
Figure 6--5: Installing the LCD disp lay 6--13........................
Figure 6--6: Installing the keypad 6--16............................
Figure 6--7: Installing the Top board shield 6--18....................
Figure 6--8: Installing the Bottom b oard 6--20.......................
Figure 6--9: Installing the SDI Interface board 6--21..................
Figure 6--10: Removing th e Backlight board 6--23...................
Figure 6--11: Installing the battery cover 6--26.......................
Figure 6--12: Removal an d replacement of the turnlock stud 6--27......
Figure 6--13: Removing th e NiMH battery p ack 6--29................
Figure 6--14: Installed polarity of alkaline batteries 6--30.............