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Board
Specification
Test Point
Adjustment Point
Input Signal
Mode
Tape
M.EQ
1. Playback the 25M Master Tape.
2. Set the item as follows.
PB MODE : RP H
3. Adjust D19 RP PHASE L1 so that the L1 error rate is minimum.
4. Adjust D21 RP PHASE L2 so that the L2 error rate is minimum.
5. Adjust D26 RP PHASE R1 so that the R1 error rate is minimum.
6. Adjust D28 RP PHASE R2 so that the R2 error rate is minimum.
6.6.26. ADC Level Fine Adjustment
Board
Specification
Test Point
Adjustment Point
Input Signal
Mode
Tape
M.EQ
1. Connect a scope CH1 to TP1 on H2 (X-CAN) Board and CH2 to TP2
on H3 (RF EQ L) Board.
Scope CH1 : TP1(H2)
CH2 : TP2(H3)
2. Open the Service Menu and select the item B00 EQ ED ADJUST.
3. Playback a 25M Master Tape.
4. Adjust B37 ADC LEVEL L so that the noise level is minimized as
shown in the following figure.
5. Change the connection of scope CH1 to TP2(H2) from TP1(H2).
RF EQ
Service Menu
PLAY
VFM3580KM (Color Bar
Portion)
X-CAN(H2)
TP1,TP2(H2) TP2(H3)
Service Menu
PLAY
VFM3580KM (Color Bar
Portion)
Oscilloscope
117
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