Panasonic AJ-D908MC, Service Manual

Page: 57 / 421

MECH-16
1-21. CTL Self Recording LevelConfirmation
SPEC.
See below
TEST POINT
CTL:
Refer to item “6. Table of Test Point for each adjustment item.”
ADJ.
T4 post height
SD VTR & CAM 25M mode
HD CAM CTL output level
confirmation mode
VTR
MODE
To see how to set PLAY and REV x1 mode, refer to item “6. Table of Test Point for each adjustment item.”
TAPE
Blank Tape
M cassette 66 min
M.EQ
Oscilloscope
Click this button , then go to item “6. Table of Test Point for each adjustment item.”
(Specification for confirmation)
Model CTL Output level : C1, C2
PLAY
SD VTR
C1, C2
≥
1.8 V
SD & HD CAM
C1, C2
≥
220mV
REV (-1)
SD VTR
C1, C2
≥
1.4 V
SD & HD CAM
C1, C2
≥
170mV
REV (-0.2)
SD VTR
C1, C2
≥
1.2 V
SD & HD CAM No required
1. Please confirm that the each screws are fixed on A/C Head.
2. Confirm that the CTL level on 25M mode(SD VTR & CAM) or CTL output level confirmation mode(HD CAM).
3. Place Unit into REC mode and playback the recorded portion.
4. Confirm that the CTL level is within the specification at PLAY and REV mode.
5. If CTL level is out of specification at PLAY mode, confirm the height of A/C Head (refer to item “1-17. A/C Head
Height Confirmation”)
6. If CTL level is out of specification at REV mode, confirm the height of T4 Post (refer to item “1-20. REV Tape
Path Confirmation and Adjustment”).
Figure 1-21