Panasonic NV-HS1000 Service Manual page 63

•
2-5-16. CHROMINANCE RECURSIVE ADJUSTMENT
TP
VR801
IC801-7
VR802
TAPE M. EQ.
BLANK OSCILLO-
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. E19
ADJ. MODE
(SELF
PAL COLOUR
RECORDED)
BAR
PLAYBACK
SPEC.
WAVEFORM IS MINIMUM
Fig. E20
2-5-17. 1 H DELAY GAIN ADJUSTMENT
TP
P9001-1
P9001-3
TAPE
BLANK
TAPE
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
INPUT
2-5-18. TBC NOISE GATE ADJUSTMENT
TP
TP9001
TAPE
BLANK
TAPE
2-13
ADJ. MODE
(SELF
VR9501
RECORDED)
PLAYBACK
M. EQ.
OSCILLO-
SIGNAL LEVEL OF P9001-3
SCOPE
+-0.03 (Vp-p)
P9001-3 + -0.03Vp - p .
Fig. E21
ADJ. MODE
(SELF
VR9002 RECORDED)
PLAYBACK
M.EQ.
OSCILLO-
A=1.5+-0.1 (µsec)
SCOPE
Fig. E22
INPUT
PAL COLOUR
BAR
SPEC.
INPUT
PAL COLOUR
BAR
SPEC.