– 15 –
SECTION 4
TEST MODE
Key Check
(tact switch)
1) Connect the test point TP (ADJ) on MAIN board to the
ground with a lead wire on MAIN board.
2) Turn on the power with turning OFF the TIMER SW.
↓
“KEY TEST” shall be shown.
3) When the TACT SW is pushed, the order of pushing is shown
on digit 0 and 1.
4) It will count up until 34 which is the maximum key number.
“END” will be shown after 34.
(slide switch)
Words as below shall be shown.
CXD2545 Servo Check
1) Connect the test point TP (ADJ) on MAIN board to the
ground with a lead wire on MAIN board.
2) Turn on the power, tuning ON the TIMER SW.
3) Establish as below articles with the combination of TENKEY
and TIMER SW.
TENKEY MODE
TIMER SW OFF 3 Tracking servo off
8 Tracking servo on
TIMER SW ON 1
S-cuve observe
OFF ON
TIMER SW NULL (not shown) REPEAT
REMOTE CONTINUE/ Parallel ON → PROGRAM
SELECT SW PROGRAM Serial ON → CONTINUE
AUTO CUE/
NULL (not shown)
A.CUE ON → AUTO CUE
PAUSE SW
A.PAUSE ON → AUTO PAUSE
(JOG)
When dial the VARI SPEED JOG/AMS dial, the value on digit
6 and 7 will be clocwise/rev clockwise.
(shuttle)
Is it turns to forward direction, calendar will show 1·2·3 and 4
and if turns to backward direction. Calendar will show 16·17·18
and 19.
EDP Bridge Check
1) Connect the test point TP (ADJ) on MAIN board to the
ground with a lead wire on MAIN board.
2) Turn on the power, with turning ON the TIMER SW.
3) Elements next to digit/segment will turn on and off mutu-
ally.
4) When both sides elements turn on at the same time the grid
is a bridge.
5) When the calendar does not work correctly, segment is a
bridge.
S-RAM Verify Check
1) Connect the test point TP (ADJ) on MAIN board to the
ground with a lead wire on MAIN board.
2) Turn on the power, with turning ON the TIMER SW and
CUE SW.
3) Address (0x8000~0x9fef) will be written by µ-com on the
digit 5 and 6, and they will be read by µ-com on the digit 8
and 9, then the value shall be shown on the digit 0 to 3.
When the written value do not agree with the read value,
“VERIFY ERROR” will be shown.
After that, it will show the position of address line and the
data line which are cause of S-RAM bridge and a float.
www.freeservicemanuals.info
Also made in Heiloo, Holland.
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