Advertisement
DP-7010
DP-7010
CIRCUIT DESCRIPTION
CIRCUIT DESCRIPTION
4. Test mode
4-1. Setting the test mode
4-2. Key and functions valid in thst mode
The test mode can also be initiated with the previous
method, i. e. by switching the power on with the test pins
short-circuited.
Displayed for a few seconds after comple-
tion of (1), (2) and (3).
4
Disc Track No. is displayed.
(1) Focusing servo...
2...
ees
ON.
rm
—,
CHECK
(2) Tracking servo...
2...
2-45-55
OFF.
!
_!
(3) Feed servo... 2.2. eee OFF.
_t
_!
(1) Focusing servo
2...
ee
ee
ON.
mn
(2) Tracking servo...
2
ee ee
ON.
Li
L/
(3) Feedservo.......-.------
OFF.
pet
+
{1) Focusingservo
.....-.-----
OFF.
i]
n
(2) Tracking servo... 2...
- 20 eee OFF,
! I
{3) Feed servo... .-.---
++ eee
OFF.
uu
!
The Track No. disptay L/
/ .
Turns ail FL display lamps ON.
__| Turns alt
FL display lamps OFF.
Jumps tracks as shown below.
Y'
from OPEN/CLOSE
eS
Key
Number of tracks
TNO. 2,6, 7,8, 10, 13
and 22 are programmed
automatically.
Set mode
P. MODE
18
19
Advertisement
