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Perform the following after replacing, servicing or handling the parts/boards/sensors, etc. to confirm the quality.

Nothing is indicated.
(The Power LED does
not light up.)

1. DC power is not 
    supplied correctly. 

1. Check the USB connection between PC and elite Panaboard.
2. Check the power supply from the PC.
      JK300 (CONTROL Board) -1st pin: DC 4 to 5 V
        (Note: The supply capability may be small.)
3. Check the following parts' condition
  (1) Is CF300 broken?
  (2) Is L311 broken?
4. Monitor the following pins.
  (1) D300 (Cathode voltage) : DC 4 V to 5 V 
  (2) IC323-2nd pin: DC 5 V
5. Replace faulty parts or CONTROL Board.

2. LED drive circuit has
    some problems. 

1. Check the connection between CN700 (LED Board) and CN302 (CONTROL Board).
2. Check the soldering condition of D701, R702, and R703 on the LED Board.
3. Check the soldering condition of IC314, IC316, and Q304 on the CONTROL Board.
4. Monitor the following signals on the LED Board.
  (1) CN700-4th pin: Approx. 0 V
  (2) CN700-1st pin: Approx. +5 V 
5. Monitor the following signals on the CONTROL Board.
  (1) IC314-4th pin: Approx. +5 V
  (2) IC316-14th pin: Approx. +5 V
6. Replace faulty parts or boards.

The Error LED does not
blink when an error occurs. 

1. DC power is not 
    supplied correctly. 

1. Check the USB connection between PC and elite Panaboard.
2. Check the power supply from the PC.
      JK300 (CONTROL Board) -1st pin: DC 4 to 5 V
        (Note: The supply capability may be small.)
3. Check the following parts' condition
  (1) Is CF300 broken?
  (2) Is L311 broken?
4. Monitor the following pins.
  (1) D300 (Cathode voltage) : DC 4 V to 5 V 
  (2) IC323-2nd pin: DC 5 V
5. Replace faulty parts or CONTROL Board.

2. LED drive circuit has
    some problems. 

1. Check the connection between CN700 (LED Board) and CN302 (CONTROL Board).
2. Check the soldering condition of D700, R700, and R701 on the LED Board.
3. Check the soldering condition of IC312 and Q305 on the CONTROL Board.
4. Monitor the following signal on the LED Board.
    CN700-3rd pin: 5 Vp-p pulse
5. Monitor the following signal on the CONTROL Board.  
  (1) CN302-3rd pin: 5 Vp-p pulse
  (2) IC312-38th pin: 5 Vp-p pulse (Note: Inversion signal of the 3rd pin for CN302)
6. Replace faulty parts or boards.

3. CONTROL Board does
    not work properly.

1. Check the soldering condition of IC309, IC310, and IC312 on the CONTROL Board.
2. Monitor the following signals on the CONTROL Board.
  (1) IC312-9th and 10th pins : +5 V
  (2) IC312-12th and 13th pins: Approx. 10 MHz
  (3) IC312-14th pin (Reset): Approx. +5 V
3. Replace faulty parts or boards.

CONTROL Board, Component
part(s) on control board
(mainly, IC311)

Receiver Level Adjustment

Section 7.2 “Receiver Level Adjustments”

SENSOR Board
PEN Board, Component part(s)
on PEN Board (mainly, IC4)

Pen Adjustment

Section 7.1 “Adjustment for Electronic Pen”

Ultrasonic Transducer

30

1. Remove the screws. 

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2. Remove the Lower Frame Cover.
 (1) Remove the Lower Frame Cover downwards.
      (Applicable to Panaboard Product's Serial No. C2297MA1001
       to 1030) 

(2) Life the bottom of the Lower Frame Cover to remove it in the
     direction of the arrow.
     (Except for Panaboard Product's Serial No. C2297MA1001
      to 1030)

 

3. Remove the 4 screws (B).

4. Remove the Control - power Cover Front in the direction of the
    arrow.

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5. If necessary, remove the LED Light Guides from the
   Control - power Cover Front.

6. Remove the 2 screws (C).

7. Disconnect the LED Harness and remove the LED board from
    the LED Base.

8. If necessary, remove the 2 screws (D), clamper, and LED
    Base.

9. Remove the 2 screws (E) and 4 screws (F).

10. Remove the Control PCB Cover Plate.