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GX-N5E
is |
Item
Messing
Test point and Adjustment part
Description
instrument
8. | V. SKIP
Osciloscope
TP-1
R12(V. SKIP LEVEL)
|° Set the iris to obtain approx. 200mvV at TP-1.
V. CENTER |; V-rate )
TP-7
R14 (V. SKIP PHASE)
|© Preset R12 (V. SKIP LEVEL) to 3 kQ.
Adjustment!
10:1
R674
(V. CENTER)
1. Measure TP-1 at V-rate and adjust R14 (V.
SKIP PHASE) until the V. SKIP START posi-
tion is about 20H
after the termination
of
White
Beam BLK. (Refer to Fig. 2-8 (a).)
pattern
7.5H-+
20H
) Beam
me
| BLK
TP-1
Perey]
T I T .
TP-7
|||
V-rate
Fig. 2-8 (a)
2. Adjust R674 (V.
CENTER) until the start of
the picture is at 16H after the termination of
Beam BLK. (Refer to Fig. 2-8 (b).)
|
\
17-18
| Beam
NV
| BLK |
iy "
TP-1 0 beeerre
Whey
OO
eo
V-rate
Fig. 2-8 (b)
3. MEASURE
TP-1
and
TP-7
simultaneously
and adjust R14 (V. SKIP PHASE) until the V.
SKIP START position is 3H after the Black
Gate Pulse. (Refer to Fig. 2-8 (c).)
|
(
|
BvvVyyyy
7
'
V y
y
| 1
|
TP-1
3H
Wt
Back Gate Pulse
TP-7
:
V-rate
Fig. 2-8 (c)
(No. 5391B) 15E
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