Sony RM-VZ950T, Service Manual

Page: 23 / 35

– 23 –
SECTION 3
TEST MODE
[GENERAL]
The test mode of this set consists of six test items including BATT
test, LCD test, KEY test, LEARN test, MEMORY test, and
MEMORY ERASE test and further each test item comprises sev-
eral check items.
[Setting/Releasing Test Mode]
Setting the test mode:
Push the
[SET]
key while pushing the
[MENU ]
key. The “BATT
TEST” will be displayed, when the test mode is set.
Releasing the test mode:
If the specified key is not pushed for more than 60 seconds while
the set is waiting for key input for the test item selection, or if the
test item “EXIT TEST” is selected.
[Test Item Selection]
1. Operation key
In the test mode, operate the jog dial and
[SET]
key.
2. Operating method
(1)
Progress operation
Pushing the jog, progress the check items in order.
(2) Next test operation
• Clicking the left jog button at the check item selection causes
the “NEXT TEST” to be displayed for confirmation. (“NEXT
TEST” is displayed on LCD with “NEXT” blinking)
• Pushing the jog with the “NEXT TEST” on LCD causes the
next test item of current test to be displayed for selection.
• Clicking the right jog button with the “NEXT TEST” on LCD
causes the set to return to the check item before the “NEXT
TEST” display.
• Clicking the left jog button with the “NEXT TEST” on LCD is
ignored.
(3) Skip operation
• Clicking the right jog button while the set is waiting for key
input causes the “SKIP” to be displayed for confirmation.
(“SKIP” is blinking on the LCD)
• Pushing the jog with the “SKIP” on LCD allows the set to pro-
ceed to the next check item of current item.
• Clicking the right jog button with the “SKIP” on LCD causes
the set to return to the check item before the “SKIP” display.
• Clicking the left jog button with the “SKIP” on LCD is ignored.
The skip operation at the last check item for each item causes
the next test item to be displayed for selection.
(4) Others
If no key is pushed for more than 60 seconds while the set is wait-
ing for the check item selection of current test item, the next test
item is displayed.
3. Test item selection display list
• Test items
(1)
BATT test selection display: “BATT TEST” is displayed (with
“BATT” blinking)
(2) LCD test selection display: “LCD TEST” is displayed (with
“LCD” blinking)
(3) KEY test selection display: “KEY TEST” is displayed (with
“KEY” blinking)
(4) LEARN test selection display: “LEARN TEST” is displayed
(with “LEARN” blinking)
(5) MEMORY test selection display: “MEMORY TEST” is dis-
played (with “MEMORY” blinking)
(6) MEMORY ERASE test selection display: “DEL MEMORY”
is displayed (with “DEL” blinking)
(7) EXIT test selection display: “EXIT TEST” is displayed (with
“EXIT” blinking)
• (1) is displayed immediately after the test mode is set.
Each time the right jog button is clicked, the display varies in
order of (1)
→
(2)
→
(3)
→
(4)
→
(5)
→
(6)
→
(7)
→
(1)
→
and
so on. Also, the display varies in the reverse direction when the
left jog button is clicked.
• Pushing the jog at any display causes the displayed test mode to
be activated.
• The test item selection screen will appear, if any test item fin-
ished, or the test mode was released in the next test. At this
time, the LCD will display the next test item of currently se-
lected test item. However, any test item can be selected there
through the jog operation.
[Test Mode Items]
1. BATT test
(1)
Battery voltage check:
Whether the battery voltage is below or over 2.5 V is checked.
“BATT CHECK LOW” is displayed if the battery voltage is below
2.5 V, or “BATT CHECK GOOD” is displayed if over 2.5 V The
battery voltage is checked at 0.5 second interval until the jog is
pushed, and LCD display is updated. Proceed to (2) if the jog is
pushed
(2) DC/DC stop check:
DC/DC is stopped whichever the battery voltage is below or over
2.5 V The set waits for either key input or jog operation. When
either the key or jog is operated, DC/DC starts, and after LCD
initial setting, the BATT test is conducted, and then the “LCD
TEST” is displayed for selection.
z