Panasonic DVC PRO Studio AJ-D950P Service Manual page 708

4-6-39. Comparison Of the Spectrum of
Master PB and Confidence PB (25M Rch)
Board RF EQ(H4)
Specification
Test Point TP104, TG101, TP2, TG1
Adjustment
Point
Input Signal INT SIG Color Bar
Mode REC, PLAY
Tape R/P Tape, VFM3580KM
M.EQ Spectrum Analyzer
1. Place the unit in the REC mode.
2. Store the Confidence Playback spectrum in
TRACE-B.
3. Playback a 25M Master Tape.
4. Store the Master Playback spectrum in TRACE-A.
5. Confirm the level at 2.5MHz is as follows.
TRACE-A Level - TRACE-B Level = ± 2.0 dB
4-6-40. Error Rate Confirmation (25M)
Board RF EQ
Specification
Test Point
Adjustment
Point
Input Signal
Mode REC, PLAY
Tape R/P tape
M.EQ
1. Place the unit in the REC mode.
2. Set the item as follows
C33 ERROR MODE :
3. Measure each error rate about L1, L2, R1, R2.
(VIDEO/AUDIO)
4. Confirm that the error rate is displayed less than
12 segments on the error meter.
5. Playback the just recorded portion.
6. Confirm that the error rate is displayed less than
6 segments on the error meter.
L1 L2
dB dB
-15 0
-16 -4
-17 -8
-18 -12
-19 -16
-20 -20
-21 -25
-22 -30
-23 -40
-24 -•‡
CH1 CH2
AUDIO METER
SLOW
R1 R2
CONFIDENCE
R/P
CH3 CH4