Self-Rec/Play Envelope Waveform Confirmation - Panasonic AJ-SDX900P Service Manual

1-34. Self-REC/PLAY Envelope Waveform Confirmation

All of the head output are within the specification as shown below.
Confirm in the 50M mode when the VTR or Camera Recorder is 50M models.
Confirm in the HD mode when the VTR or Camera Recorder is HD models.
SPEC.
TEST POINT
Refer to item "6. Table of Test Point for each adjustment item.".
Click this button
M. EQ.
Oscilloscope
• M Cassette (66 min.) or L Cassette (126 min.)
TAPE
• Long play L Cassette (Long play cassette compatible models only)
1. Record the color bar signal.
2. Playback the just recorded portion, and confirm
the envelope output is within the specification.
3. Please refer to figure 1-34-2, when confirm that
the exit side of envelope with long play cassette
compatible models.
4. Regarding the long play cassette compatible
models, envelope waveform should be confirmed
by using long play cassette, too.
5. If it is out of specification, perform the "ENV
Waveform Adjustment" and "LISTA Adjustment"
again.
⋅ When using the M Cassette (66 min.) or L Cassette (126 min.)
V1/Vmax, V3/Vmax
⋅ When using the Long Time L Cassette (Long play cassette compatible models only)
V1/Vmax, V2/Vmax, V3/Vmax
, then go to item "6. Table of Test Point for each adjustment item.".
≥
0.7
≥
V2/Vmax 0.8
≥
0.7
≥
V4/Vmax 0.5
Figure 1-34-1 Envelope Waveform
Figure 1-34-2 Exit side of Envelope Waveform
MECH-32
(Long play cassette
models only)
compatible