Panasonic AJ-YA120AG, Service Manual

Page: 226 / 647

INF-4
2. ALIGNMENT TAPE
2-1. VFM3580KM / KL (NTSC)
(25M adjustment tape No. 1)
VIDEO
PCM AUDIO CUE TIME
(min.) Signal Purpose
Signal Purpose Signal Purpose
0:00
Color bar
SMPTE(75%)
Confirmation of
the composite
video level
7:00
Color bar
(100%)
Confirmation of
the composite
video level
1KHz 0VU
Confirmation of
the cue level
14:00
H sweep
Frequency
characteristic
18:00 Bow tie (500K) Y/C timing
6KHz 0VU
A/C head
azimuth
adjustment
22:00
Pulse & bar Y/C timing
300, 500, 1K
2K, 4K, 6KHz Frequency
characteristic
26:00
Area marker
Video start
timing
1KHz –20dB
Confirmation of
the audio level
----- -----
2-2. VFM3581KM / KL (NTSC)
(25M adjustment tape No. 2 for LISTA adjustment)
VIDEO
PCM AUDIO CUE TIME
(min.) Signal Purpose
Signal
Purpose Signal
Purpose
0:00 ITI pattern
Linearity
adjustment
----- ----- ----- -----
2-3. VFM3582KM / KL (NTSC)
(25M adjustment tape No. 3 for X-value adjustment)
VIDEO
PCM AUDIO CUE TIME
(min.) Signal Purpose Signal Purpose Signal Purpose
0:00
Color bar
(75%)
(with drop-out
track)
X-value
adjustment
----- ----- 6KHz 10VU
X-value
adjustment
2-4. VFM3380KM (NTSC)
(50M adjustment tape)
VIDEO
PCM AUDIO CUE TIME
(min.) Signal Purpose
Signal
Purpose Signal
Purpose
0:00 Color bar
(with teletext)
(100%)
Confirmation of
video level and
teletext level
4:00 Color bar
(SMPTE)
(75%)
Confirmation of
the video level
7:00 Multiburst
(Y/Pb/Pr)
Frequency
characteristic
10:00 Multiburst
(only Y)
Y-frequency
characteristic
13:00 Bow tie Y/C timing
16:00
Area marker
Video start
timing
1KHz
–20dB
Confirmation of
the audio level
1KHz 0VU
Confirmation of
the cue level