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Order Number KM71204731SE

Category Number H19

Subject :  Addition

PAGE

PAGE

1 TOPICS OF MAIN CHANGED CONTENTS---------------- 2
2 “SECTION 5 SECTIONAL VIEW” ---------------------------- 3
3 “SECTION 6 SCREEN OPERATION” ----------------------- 4

3.1. “Section 6.1 Position Detection Mechanism”  ------ 4

4 “SECTION 8 DISASSEMBLY INSTRUCTIONS” --------- 5

4.1. “Section 8.1 Disassembly Flowchart”----------------- 5
4.2. “Section8.2 Boards”--------------------------------------- 6

5 “SECTION 9 TROUBLESHOOTING”------------------------ 9

5.1. “Section 9.1 LED Status” -------------------------------- 9

6 “SECTION 10 CIRCUIT DIAGRAM” ------------------------10

6.1. “Section 10.1 BLOCK DIAGRAM-1

(Processing)” ----------------------------------------------10

6.2. “Section 10.2 Block Diagram-2 (Boards)” ----------11
6.3. “Section 10.3 Explanation of Connector” -----------12

7 “SECTION 11 SCHEMATIC DIAGRAM”-------------------13

7.1. “Section 11.1 RELAY Board” --------------------------14
7.2. “Section 11.3 IR Board (R), IR Board (L)” ----------15

8 “SECTION 12 CIRCUIT BOARDS” -------------------------16

8.1. “Section 12.1 RELAY Board” --------------------------17
8.2. “Section 12.2 LED Board” ------------------------------17
8.3. “Section 12.3 IR Board (R)”   (Only for UB-

T580W) -----------------------------------------------------18

8.4. “Section 12.4 IR Board (L)”   (Only for UB-

T580W) -----------------------------------------------------18

8.5. “Section 12.5 CONTROL Board” ---------------------19

CALPARTS LIST’’ ----------------------------------------------- 21

9.1. “Section 13.1. Exterior ” -------------------------------- 22
9.2. “Section 13.2. Packing”--------------------------------- 24

10 “SECTION 14 REPLACEMENT PARTS LIST” ---------- 27

10.1. “Section 14.1 RELAY Board”-------------------------- 28
10.2. “Section 14.3 IR Board (R)”  Only for UB-

T580W ------------------------------------------------------ 28

10.3. “Section 14.4 IR Board (L)”  Only for UB-

T580W ------------------------------------------------------ 28

2

    
      Remarks

  1. Important level codes
     A: High
     B: Middle
     C: Low

 2. Reason Codes
   (1): Change Spec. (Product Number, Engineering Change, and others)
   (2): Add information on Products UB-T580/T580W
   (3): Correct

Section No. 

(Original 

Service Manual)

Contents

Reference Section 

on this Supplement

Remarks

5

Add UB-T580W's information (IR Board (R),
 IR Board (L))

2. "SECTION 5 SECTIONAL
        VIEW"

B-(2)

6

Add UB-T580W's information (IR Board)

3. "SECTION 6 SCREEN 
     OPERATION"

B-(2)

8

Add UB-T580W's information (IR Board (R),
IR Board (L))

4. "SECTION 8 DISASSEMBLY
     INSTRUCTIONS"

B-(2)

9

Add UB-T580W's information (IR Board (R),
 IR Board (L))

5. "SECTION 9 
     TROUBLESHOOTING"

B-(2)

10

Add UB-T580W's information (IR Board (R),
 IR Board (L))

6. "SECTION 10 CIRCUIT
     DIAGRAM"

B-(2)

11

Add UB-T580W's information (IR Board (R),
IR Board (L))

7. "SECTION 11 SCHEMATIC
     DIAGRAM"

B-(2)

12

Add UB-T580W's information (IR Board (R),
 IR Board (L)) and others

8. "SECTION 12 CIRCUIT
      BOARDS"

B-(2), B-(1)

13

Add UB-T580W's information and others

9. "SECTION 13 PARTS
    LOCATION AND MECHANICAL
     PARTS LIST"

B-(2), B-(1)

14

Add UB-T580W's information and others

10. "SECTION 14 
      REPLACEMENT PARTS LIST"

B-(2), B-(1)

3

4

Case 1: No obstacle is on an optical path
  1.  LEDs, which CMOS Camera Module (located on both sides of screenboard) has, emit light toward the screen.

  2.  When the light from the LEDs reaches the board fame, the light is reflected by the reflection tape attached around
     the inner side of the covers (Side Covers, Lower Covers), and then goes back to the original position.

  3. After that, the light is scanned by the CCD that CMOS Camera Module has.

Case 2: Obstacle (finger or pen top) is on an optical path
  1. LEDs, which CMOS Camera Module (located on both sides of screenboard) has, emit light toward the screen.

  2. The light  is blocked by an obstacle, and so the light does not go back to the CCD .
      In this case, the CCD waveform has any partial depression of the level.

  3. By monitoring the CCD waveform, the control block (CPU on the CONTROL Board) will find the angle which the CCD
      can not scanned to specify the location touched by a finger or pen.