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KLV-30MR1(AEP)

5

The abnormal conditions are indicated by the following LED flashes.

       LED                        Status                        MEDIABOX                             PANEL

POWER/STBY   • 

⇔ 

• 

flashes alternately

             

-

                      

PANEL ALARM 

                                                                                                               (Not available for re-start)                            
                               Flashes (1Hz)                                -                        Defective for cable connection

                             

•

Flashes four times                         -                        Defective for power voltage of fan, 

                                                                                                               fan protection

                             

•

Flashes six times                +3.3V malfunction      Power protection on G board detected

                             

•

Flashes nine times              PANEL malfunction                         -

TIMER 

                 Flashes (1Hz)                     Defective for cable                           -     

                                                                           connection 

This unit has the following self diagnostic function. Refer to this table to 
 identify a defective point in case of any malfunction. 

                   

Problem   

                                                                            

Symptom

Mediabox

             Digital 3.3V malfunction   Shut down when Digital 3.3V becomes equal or under 0V. 

                              Defective for cable             The both White and Black interface cables are not connected

                               connection                           with the panel.

Panel 

                    PANEL ALARM

                               Defective for cable             The both White and Black interface cables are not connected 
                                connection                          with the MEDIABOX.
                               Fan malfunction

                              Power protector operation

*Operation count is based on WDT.
*For flashes, the Power/Standby LED flashes in red.
*The flash period is based on the reliability standard.

KLV-30MR1(AEP)

6

.......................................................

1-1

1-1. Display Unit (LDM-3000) ...................................

1-1

1-1-1. Stand and Cabinet Removal ......................

1-1

1-1-2. G and P Boards Removal...........................

1-2

1-1-3. K Board Removal ......................................

1-3

1-1-4. R1 and R2 Boards Removal ......................

1-4

1-1-5. Panel Support Assy (LCD Panel) ..............

1-5

1-1-6. LCD Panel Removal ..................................

1-6

1-2. Media Receiver Unit (MBT-MRL1) ....................

1-7

1-2-1. Panel and Covers Removal ........................

1-7

1-2-2. G2, A, and MS Boards Removal ..............

1-8

1-2-3. TU Board Removal....................................

1-9

1-2-4. U Board Removal .....................................

1-10

1-2-5. H2 Board Removal ....................................

1-11

1-2-6. H5 Board Removal ...................................

1-12

1-2-7. MSX Board Removal ................................

1-13

1-2-8. H1 Board Removal ...................................

1-14

1-2-9. H4 Board Removal ....................................

1-15

...........................................

2-1

2-1. Display Unit (LDM-3000) ....................................

2-1

2-2. Media Receiver Unit (MBT-MRL1) .....................

2-2

...............................................................

3-1

3-1. Block Diagrams ....................................................

3-1

3-1-1. Display Unit(LDM-3000) ..........................

3-1

3-1-2. Media Receiver Unit (MBT-MRL1) ........

3-5

3-2. Frame Diagram .....................................................

3-14

3-3. Circuit Boards Location ........................................

3-15

3-3-1. Display Unit(LDM-3000) ..........................

3-15

3-3-2. Media Receiver Unit (MBT-MRL1) .........

3-15

3-4. Schematic Diagrams and Printed WiringBoards...

3-15

3-4-1. Display Unit(LDM-3000) ..........................

3-16

(1)Schematic Diagrams of G Board .....................

3-16

(2)Schematic Diagram of K Board ......................

3-18

(3)Schematic Diagrams of P Board .....................

3-20

(4)Schematic Diagrams of R1 amd R2 Boards ....

3-26

KLV-30MR1(AEP)

7

3-4-2. Media Receiver Unit (MBT-MRL1) .........

3-27

(1)Schematic Diagrams of A Board .....................

3-27

(2)Schematic Diagram of G2 Board ....................

3-40

(3)Schematic Diagrams of H1 Board ...................

3-42

(4)Schematic Diagram of H2 Board ....................

3-44

(5)Schematic Diagrams of H4 and H5 Boards .....

3-46

(6)Schematic Diagrams of MS Board ..................

3-47

(7)Schematic Diagram of MSX Board .................

3-51

(8)Schematic Diagrams of TU Board ..................

3-52

(9)Schematic Diagrams of U Board .....................

3-55

3-5. Semiconductor ......................................................

3-58

..............................................

4-1

4-1. Display Unit (LDM-3000) ...................................

4-2

4-2. Media Receiver Unit (MBT-MRL1) ....................

4-4

4-3. Packing Materials for Display Unit (LDM-3000) ...

4-6

4-4. Packing Materials for Media Receiver Unit

 (MBT-MRL1) .....................................................

4-7

...............................

5-1

KLV-30MR1(AEP)

1-1

3

 Six screws

     (+B 4X6)

4

 Cabinet assy

Assembly

Cabinet

Bezel

OK

NG

Cabinet assy defects
from the groove

1

 Two screws

     (+PSW 5X14)

2

 Stand assy

Fit in the groove

Note:
Ensure that the top side of Cabinet assy is fit 
in the groove of the bezel completely.