Functional Test Flowchart - AUTOHELM Masterview ST80 Manual

ST80 Masterview

5.3 Functional Test Flowchart

START
CONNECT TEST EQUIPMENT
SWITCH ON
CHECK MASTERVIEW (3)
POWERED UP
N
OK
Y
CHECK KEYPAD
(5) POWERED UP
N
OK
Y
CHECK DISPLAY SHOWS
A NORMAL OPERATIONAL
SCREEN (SEE NOTE)
ALTERNATE ROWS
ALTERNATECOLUMNS
ALL SEGMENTS OFF
ALL SEGMENTS ON
A B C D
KEY IDENTIFICATION
FOR FLOWCHART USE
CHANGE PCB
& RESTART
CHECK CABLES,
TERMINALS, ST80
ITEM, CONNECTOR
PINS, PCB SOLDER
BUCKETS, POWER
SUPPLY. RECTIFY
AS NECESSARY.
RESTART
NOTE: THE DISPLAY IS THE
OPERATIONAL FRAME WHICH
WAS CURRENT AT THE TIME
OF THE LAST POWER-DOWN
OF THE UNIT
N CHANGE PCB
OK
& RESTART
Y
PRESS CHAPTER (A) AND
PAGE (B) KEYS
TOGETHER FOR 2 SECONDS.
CHECK DISPLAY SHOWS
NOTE: THE DISPLAY MAY
SETUP
SHOW SETUP OFF IF USER
CALIBRATION IS DISABLED.
PRESS PAGE TO
CONTINUE
N
CHANGE PCB
OK
& RESTART
Y
PRESS KEYS A & B
TOGETHER FOR 2
SECONDS. CHECK DISPLAY
SHOWS VERSION NUMBER
VERSION
NOTE: THE DISPLAY MAY
SHOW A DIFFERENT
1.0
VERSION NUMBER
N
CHANGE PCB
OK
& RESTART
Y
PRESS KEYS A & D
TOGETHER FOR 10
SECONDS. CHECK DISPLAY
SHOWS VERSION AND SERIAL
NUMBERS AND THERE
IS A ONE SECOND BEEP
ST80 MASTERVIEW
EXAMPLE IS OF FORMAT ONLY:
SERIAL IS DIFFERENT FOR EACH
VERSION 1.0
INSTRUMENT AND THE VERSION
SERIAL NUMBER
NUMBER MAY CHANGE.
0206 00000025
N CHANGE PCB
OK
& RESTART
Y
PRESS KEYS A & D
MOMENTARILY.
CHECK DISPLAY SHOWS
ALTERNATING PATTERNS AS
ILLUSTRATED INSET. EACH
FRAME IS DISPLAYED FOR
ONE SECOND. CHECK
ILLUMINATION TOGGLES
BETWEEN OFF AND LEVEL 3
AT 1 Hz
N
CHANGE PCB
OK
& RESTART
Y
WAIT FOR ONE MINUTE OR
NOTE: THE DISPLAY IS THE
PRESS KEYS A & D
OPERATIONAL FRAME WHICH
TOGETHER.
WAS CURRENT AT THE TIME
CHECK DISPLAY REVERTS
OF THE LAST POWER-DOWN
TO A NORMAL OPERATIONAL
OF THE UNIT
SCREEN (SEE NOTE)
N
CHANGE PCB
OK
& RESTART
Y
POWER OFF; END OF TEST
ST80 Masterview Service Manual 83028-1 9