•
•
•
Fig. E19
2-5-16. CHROMINANCE RECURSIVE ADJUSTMENT
TP
ADJ.
MODE
INPUT
VR801
(SELF
PAL COLOUR
IC801-7
VR802
RECORDED) BAR
PLAYBACK
TAPE
M. EQ.
SPEC.
BLANK
OSCILLO-
WAVEFORM IS MINIMUM
TAPE
SCOPE
Note: 1. Before this adjustment, RECORDING CURRENT
and YNR ADJUSTMENT must be done.
Note: 2. Adjust VR801 and VR802 alternately until the
amplitude of the signal at IC801-7 is minimum.
Fig. E20
2-5-17. 1 H DELAY GAIN ADJUSTMENT
TP
ADJ.
MODE
INPUT
P9001-1
(SELF
PAL COLOUR
P9001-3
VR9501
RECORDED) BAR
PLAYBACK
TAPE
M. EQ.
SPEC.
BLANK
OSCILLO-
SIGNAL LEVEL OF P9001-3
TAPE
SCOPE
+-0.03 (Vp-p)
Note: 1. Set the S-VHS and TBC SW to OFF position.
Note: 2. Connect the oscilloscope to P9001-1 and 3.
Note: 3. Adjust VR9501 until the level of P9001-1 is level of
P9001-3 +-0.03Vp-p .
Fig. E21
2-5-18. TBC NOISE GATE ADJUSTMENT
TP
ADJ.
MODE
INPUT
(SELF
PAL COLOUR
TP9001
VR9002
RECORDED) BAR
PLAYBACK
TAPE
M.EQ.
SPEC.
BLANK
OSCILLO-
A=1.5+-0.1 (µsec)
TAPE
SCOPE
2-13
Fig. E22
Содержание NV-HS1000
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