S-Vhs Y/C Delay Adjustment (For Ag-7350); Delay Level Adjustment (For Ag-7350) - Panasonic AG-7350 Series Service Manual

5-3-42. S-VHS Y /C DELAY ADJUSTMENT
(FOR AG-7350)
TP ADJ. MODE INPUT
VIDEO OUT 1 VR8007
PALS-VHS
SIN 2 T PULSE
PLAY &BAR
TAPE M. EO. SPEC.
SELF
WAVEFORM
RECORDED A=B±2%
TAPE
MONITOR
1.
Supply a sin 2T pulse & bar signal and record
it for a few minute.
2. Play back the just recorded portion.
3. Connect the waveform monitor to the video out
1 connector.
4. Adjust VR8007 so that the waveform becomes as
shown in Figure E42.
VIDEO OUT 1
A=B±2%
Figure E42
5-3-43. S-VHS Y/C DELAY ADJUSTMENT
(FOR AG-7150)
TP ADJ. MODE INPUT
VIDEO OUT 1 VR8007
PALS-VHS
X
PLAY
TAPE M. EO. SPEC.
SIN2T PULSE &
WAVEFORM
BAR RECORDED
MONITOR
A=(B+4%)±2%
TAPE
1. Prepare the prerecorded
S-VHS
tape which
recorded a sin 2T pulse &
bar
signal
on
recorder (AG-7350 ).
2. Play back the JUSt recorded portion.
3. Connect the waveform monitor to the video
output 1 connector.
4. Adjust VR8007 so that the waveform becomes as
shown in Figure E43.
VIDEO OUT 1
1
100°
A
A
l\_
B
l
~
j_ J.il.P"'
I
f
A=(B+4%)±2%
Figure E43
5-3-44. 2H DELAY LEVEL ADJUSTMENT
(FOR AG-7350)
TP ADJ. MODE INPUT
VIDEO OUT 1 VR3502
PAL 50% FLAT
STILL
FIELD WHITE
TAPE M. EO. SPEC.
SELF
WAVEFORM FLICKER IS MINIMIZED
RECORDED
MONITOR (OmVp-p±20mV)
TAPE
1. Supply a 50% flat field white signal to the
video input and record it for a few minute.
2. Play back the just recorded portion in the
still mode.
3. Connect the waveform monitor to the video
output 1 connector.
4. Adjust VR3502 so that the flicker of luminance
is minimized as possible as shown in Figure
E44.
VIDEO OUT 1
OmVp-p±20mV
I·
H. RATE
·I
Figure E44
5-17
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