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1. POWER VOLTAGE ADJUSTMENT
1. Adjust VR301 so that voltage of TP302 and TP301 is 5.00
±
0.10 V.
2. LCD LEVEL ADJUSTMENT
1. Adjust VR302 so that voltage of TP305 and TP301 is 0.575
±
0.025 V.
3. JOYSTICK ADJUSTMENT FOR DIRECTION
1. The pin of JK405 is short-circuited and makes the test mode.
2. The FUNCTION button and the number 2 button are pushed
at the same time, and LCD indication is made "TEST
CENTER".
Measuring Point Measuring Equipment
Condition
Adj. Value
Digital voltmeter
POWER ON
5.00
±
0.10 V
TP302,
TP301 (GND)
VR301
Adj. Location
2. ADJUSTMENT
Measuring Point Measuring Equipment
Condition
Adj. Value
Oscilloscope
POWER ON
0.575
±
0.025 V
TP305,
TP301 (GND)
VR302
Adj. Location
Fig. 5
TP301
VR302
TP302
TP305
VR301
CP-1 BOARD
3. Push the ENTER button, and set the adjustment mode, and
it confirms that it is indicated with "PLEASE SPIN JST AND
PUSH ENTER" in LCD.
4. It swings, and a circular movement is done about 2-3 laps
JOYSTICK to become a width maximum.
5. It becomes adjustment mode completion if a ENTER button
is pushed and indicated with "TEST MODE" in LCD.
Adjustment is made again if it is indicated with "PLEASE
SPIN JST AND PUSH ENTER" in LCD.
6. The short circuit of the JK405 pin is removed, and the test
mode is finished.
4. JOYSTICK ADJUSTMENT FOR THE ZOOM
1. The pin of JK405 is short-circuited and makes the test mode.
2. The FUNCTION button and the number 3 button are pushed
at the same time, and LCD indication is made "TEST ZOOM
CENTER".
3. Push the ENTER button, and set the adjustment mode, and
it confirms that it is indicated with "PLEASE SLIDE JST AND
PUSH ENTER" in LCD.
4. It swings, and it slides ZOOM lever to become a width
maximum.
5. It becomes adjustment mode completion if a ENTER button
is pushed and indicated with "TEST MODE" in LCD.
Adjustment is made again if it is indicated with "PLEASE
SLIDE JST AND PUSH ENTER" in LCD.
6. The short circuit of the JK405 pin is removed, and the test
mode is finished.
Measuring Point Measuring Equipment
Condition
Adj. Value
Adjustment
mode
LCD indication
Joystick
Adj. Location
Measuring Point Measuring Equipment
Condition
Adj. Value
Adj. Location
Adjustment
mode
LCD indication
Zoom lever
Fig. 4
RS-232C
CONNECTOR
RESET
RS-232C
CONNECTOR
JK-405
BUTTON
