Panasonic AJ-D610WBP - 13-2.Adjustment Setting

ELE-47
13. RF ADJUSTMENT (3)
(Manual Adjustment)
13-1. HSE Input Confirmation and
Adjustment
BOARD
RF
TP
TP201[RECDATA]
ADJUST
VR200[DUTY]
MODE
REC
INPUT
Internal Color Bar
TAPE
Blank Tape
M. EQ.
Oscilloscope
SPEC.
A=1.3
±
0.2Vp-p,
B=24
±
1nS
1. Record a color bar signal on the Blank Tape.
2. Connect a scope to
TP201
and confirm the level
and timing are in the specification.
3. Record a color bar signal in the Blank Tape.
4. Expand the oscilloscope and set AC mode. Then
adjust
VR201
so that the cross point of rising and
falling waveform is on the ground level.
13-2. Adjustment Setting
Set the spectrum analyzer as shown below.
Spectrum Analyzer Setting
START FREQ : 0MHz
STOP FREQ : 25MHz
RES BW : 1MHz
VIDEO BW : 1KHz
SWEEP TIME : 100mS
dB/div : 2dB
REF LEVEL : -33dB
ATTEN : 10dB
TRIGGER : EXT
TP201
A
B
GND