Self-Rec/Play Envelope Waveform Confirmation - Panasonic DVCPRO HD AJ-HDC27VP Service Manual

4-34. 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.
SPEC.
R/P-ENV L13: TP400
TEST POINT
R/P-ENV R13: TP401
TG300: GND
M. EQ.
Oscilloscope
TAPE
M Cassette (66 min.) or L Cassette (126 min.)
TOOL
VFK1149 or VFK1149A (Post Driver)
1. Input the color bar signal and record it.
2. Playback the just recorded portion, and confirm
the envelope output is within the specification.
3. If it is out of specification, perform the "ENV
Waveform Adjustment" and "LISTA Adjustment"
again.
Figure 4-34
× When using the M Cassette (66 min.) or L Cassette (126 min.)
V1/Vmax, V3/Vmax
³
0.7
³
V2/Vmax 0.8
R/P-ENV L24: TP402
R/P-ENV R24: TP403
MECH-31