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3-6-13
ENV waveform Adjustment
Specification V1/Vmax,V2/Vmax,V3/Vmax >= 0.8
Test Point
TP201 R/P ENV L:H3/ R:H4
Adjustment
S1¤T1PostHeight
Mode
PLAY(ATF)
Tape
VFM3580KM(No.1)
M. EQ.
Oscilloscope
Tool
VFK1149(Post Driver)
1. Playback the color bar portion of the alignment
tape.
2. Adjust S1 and T1 post height so that the R/P
envelope output is in the specification.
3. When the S1 and T1 posts are adjusted, first
raise the post height and make small the
entrance and exit side of the envelope, then
down the post until envelope becomes flat.
4. Adjust T1 post and makes exit side of the
envelope flat then adjust S1 post.
5. After the adjustment, unload the tape then
loading the tape. Confirm the waveform style.
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