Panasonic DVC PRO Studio AJ-D950P Service Manual page 701

4-6-29. REC Current and Frequency
Characteristic Adjustment
1. Spectrum Analyzer setting
Parameter
REF LEVEL
ATTEN
/DIV
START FREQ
STOP FREQ
RES BW
VBW
SWEEP TIME
V AVG
TRIG
2. Set the switches on the Front panel as follows.
CF SW → 4F/8F
TV SYSTEM SW → 525
TC SW → INT
MODE SW → TAPE
3. Set the items in the USER MENU as follows.
012 SYS FORMAT :
013 PB FORMAT
000 INT SIG
4. Open the Service Menu.
REG1 REG2
-25dBm -25dBm
10dB 10dB
5dB 5dB
0MHz 0MHz
40MHz 20MHz
1MHz 300MHz
3KHz 1KHz
100ms 200ms
OFF OFF
EXT EXT
422
: MANUAL
: CB
4-6-30. REC Current and Frequency
Characteristic Adjustment (50M Lch)
Board RF EQ (H3)
Specification
Test Point TP104, TG101, TP2, TG1
Adjustment Service Menu
Point
Input Signal INT SG color bar
Mode REC
Tape REC/PB Tape
M.EQ Spectrum Analyzer
1. Connect a Spectrum Analyzer to the TP104(H3).
EXT TRIG. : TP2 (H3)
RECALL : REG 1
GND : TG101
2. Insert a R/P Tape and record a color bar signal.
3. Select the item C00 RF ED ADJUST Menu
4. Set the values as follows.
C02 REC FREQ L1 -100
C04 REC FREQ L2 -100
5. Change the item C01 REC CURR L1 and C03
REC CURR L2 until just achieve the saturation
level at 5MHz
The level at 5MHz
The saturation point
REC CURR EVR VALUE
6. Adjust C02 REC FREQ L1 and C04 REC FREQ
L2 so that the level at 20MHz is maximum.
7. Store the signal in the TRACE-B.
8. Adjust following items so that the waveform
becomes TRACE-A of the following figure.
Adjustment items
C01 REC CURR L1 , C03 REC CURR L2
C02 REC FREQ L1 , C04 REC FREQ L2