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Board
Specification
Test Point
Adjustment Point
Input Signal
Mode
Tape
M.EQ
1. Place the unit in the 625 mode.
2. Adjust VR12 so that the sample pulse is located at center of the
burst signal as shown in figure.
6.3.5. CF PHASE ADJUSTMENT (1) (525)
Board
Specification
Test Point
Adjustment Point
Input Signal
Mode
Tape
M.EQ
1. Place the unit in the 525 mode.
2. Scope : CH1 SG CF
CH2 TP4
TRIG. SG CF falling edge.
3. Rotate the VR7 fully CCW.
4. Rotate the VR7 CW.slowly.
5. Set the VR7 so that the waveform phases are same as shown in
figure
V_OUT (F6)
TP8 (A-4), TP10 (B-4)
S/H PLS P, VR12 (A-4)
REF IN = BB (PAL)
EE, INT SG
Oscilloscope
V_OUT (F6)
TP4 (A-2), SG CF OUT
CF ADJ N, VR7 (B-3)
REF IN = BB (NTSC)
EE, INT SG
Oscilloscope
85
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