Panasonic AJSDX900P - 24P DVCPRO 50, Руководство по обслуживанию

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MECH-17
1-22. Play Tape Path Limit Confirmation
SPEC
Each post limit shown in figure below (refer to Table 1-22).
VTR MODE
PLAY
NTSC: VFM3582KM or Blank Tape SD VTR & CAM
PAL: VFM3682KM or Blank Tape
TAPE
HD CAM VFM3782KML or Blank Tape
Tape limit (refer to figure)
Post Name
A B C D E F
Adjustment
Point
Adjustment
Item
S5 post OK OK NG NG NG NG
S4 (Tension) post NG NG OK NG NG NG
S4, S5 post Post Height Pre-Adjustment
S1 post OK NG NG NG NG NG
T1 post OK NG NG NG NG NG
S1, T1 post ENV Waveform Adjustment
T3 post NG NG OK NG NG NG A/C Head tilt screw A/C Head Tilt Adjustment
T4 post OK OK OK NG NG NG T4 post Post Height Pre-Adjustment
Table 1-22
1. Place unit into PLAY mode and confirm the each post limits is within the specification.
2. If out of specification, adjust the post height by following the each adjustment procedure (Refer to above table).
Figure 1-22
1-23. Confirmation of Envelope on REV, REW and FF mode
SPEC Waveform must be Diamond Style.
All the peak level must be more
than 90% of maximum level.
V/Vmax
≥
0.9
TEST POINT
Refer to item “6. Table of Test Point for
each adjustment item.”
VTR MODE
REV, REW, FF
NTSC: VFM3582KM SD VTR & CAM
PAL: VFM3682KM
TAPE
HD CAM VFM3782KML
M.EQ
Oscilloscope
Click this button , then go to item “6. Table of
Test Point for each adjustment item.”.
1. Confirm that the Envelope waveform becomes in
the specification at REV, REW and FF mode as
following.
⋅
Waveform must be Diamond Style.
(Figure 1-23)
⋅
All the peak level must be more than 90% of
maximum level.
V/Vmax
≥
0.9
2. If out of spec, adjust S4 post height. (refer to item
“1-1.Post Height Pre-Adjustment”)
Figure 1-23
A : UPPER B : FREE C : LOWER D : CURL E : BEND F : DROP