Sony SVT-N72P, Service Manual

Page: 11 / 90

1-1
SVT-N72P (E)
1-1. Maintenance Table on the Monitor Screen
To display the maintenance table, press “MENU” button with “REC/PLAY SPEED _ ( _ )” button while
the fourth MENU <ALARM TIME> is displayed.
Section 1
Service Overview
Maintenance table 1
The used time of each mode (part) is displayed, and can be
reset by items.
Access the maintenance-screen according to the above,
and then Fig. below is displayed and VIDEO HEAD will
blink.
Move the blinking to the item to be reset with “TRACK-
ING – (
▼
) ” button and press the “MENU RESET”
button, and then the used time for the item will be reset.
When the “MENU RESET” button is pressed during
display and resetting all data.
VIDEO HEAD: Used time of the video head (cylinder)
total hours.
n
Reset when the cylinder is replaced.
POWER ON: Hours of the power supply being.
ALARM DATA: Number of ALARM REC.
Total counts of ALARM.
n
The data for the maintenance tables are memoried in E
2
PROM, and the memory can be kept if the timer micro-
computer is reset.
Maintenance table 2
As shown in Fig. below Maintenance Table 2, <ERROR>
is displayed on the screen.
When the “MENU RESET” button is pressed during
display and resetting all data.
<ERROR> : Dates and error codes are displayed when
VCR happens to be in an abnormal condition
and the system is down.
The newest data is displayed in the first line,
and the old ones are moved down one by one.
Not-displayed old data is cleared automatical-
ly.
*
ALARM DATA Maintenance table 1
Press “MENU” button with “REC/
PLAY SPEED –(
_ )” button
“TRACKING +
( )” button
Maintenance table 2
“MENU” button Normal screen
< MAINTENANCE TABLE 1 >
USED TIME RESET
*
VIDEO HEAD
*
POWER ON
*
ALARM DATA
NEXT TABLE :
0 0 0 0 0 H
0 0 0 0 0 H
0 0 0 0 0 0
< MAINTENANCE TABLE 2 >
ERROR
DATE CODE POSITION
1 26 - 06 - 02 E01 08
2 - - - - - - - - - - - - - -
3 - - - - - - - - - - - - - -
4 - - - - - - - - - - - - - -
5 - - - - - - - - - - - - - -
6 - - - - - - - - - - - - - -
7 - - - - - - - - - - - - - -
8 - - - - - - - - - - - - - -