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KLV-30XBR900(UC)

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!  SONT CRITIQUES POUR LA SÉCURITÉ. NE LES

!  ON THE

KLV-30XBR900(UC)

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1) *Operation count is based on WDT.

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

The abnormal conditions are indicated by the following LED flashes.

Flash Count Error Display Name Error Description

Oprating Detection

Port

4

Fan Error

Error detected for

Detects Low when fan 

IC6200 pin #2 

fan box

function normally. 
Detects High when Fan stops 
abnormally

8

Digtal OVP 

OVP for DD Con-  Detects High when normal.

IC5210 pin #49

verter on DP board Detects Low  when abnormal.

9

Panel Error

Panel malfunction Detects during communication 
detected with 

panel. 

Repair part

• FAN
• FAN CONNECTOR
• SET 11V LINE
• SET 5V   LINE

DP board
• Q1612, Q1613, Q1614
Panel Display Unit

*A failure part can be expected by the number of times of blink of LED. 
*When two failures occur, the failure item generated previously is detected. 
*When failure occurs simultaneously, an item with little number of times of blink is detected.

*In other than “Fan Error”, the unit is in standby state and blink LED at intervals of regulation. 

In “Fan Error”, the unit is in a standby state after display for 1 minute about the message of “Fan problem –   
Powering down”

every about 0.3s

about 3s

• Timing of LED blink (example of 4 times blink)

ON

OFF

KLV-30XBR900(UC)

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In the following case, POWER LED of Media Receiver Box blinks at a fixed interval in ORANGE

• When the cable which connects between Media Receiver Box and Panel Display has fallen out.
• When the AC code for Panel Display has fallen out.

In the following case, POWER LED of  Panel Display blinks at a fixed interval in ORANGE

• When the cable which connects between Media Receiver Box and Panel Display has fallen out.
• When the AC code for Media Receiver Box has fallen out.

2)

The example which judges whether it is failure

• POWER LED of Media Receiver Box: Blink 9 times in RED, and of Panel Display blink,

and No picture or Power circuit does not work 

→ Large possibility that Panel Display is out of order. 

• When turn on Media Receiver Box, and NO LED of Box shine  

• When NO Blue  LED of Box shine → Large possibility that Media Receiver Box is out of order.   

Check SET5V or IIC line on H1 board.

• When turn on Media Receiver Box, and Fan does not work

 

→ Large possibility that Media Receiver Box is out of order

3)

 

→ Large possibility that Media Receiver Box is out of order. 

KLV-30XBR900(UC)

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1-1. Display Unit (LDM-3000)

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-XBR900L)

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

1-7

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

1-8

1-2-3.H4 Board Removal ......................................

1-9

1-2-4.H3 Board Removal .....................................

1-10

1-2-5.MS2 Board Removal ...................................

1-11

1-2-6.H2 Board Removal .....................................

1-12

1-2-7.A Board Removal ........................................

1-13

1-2-8.B Block Assy Removal ..............................

1-14

1-2-9.M, AD, and AU Boards Block Removal .....

1-15

1-2-10.AD and AU Boards Removal ....................

1-16

1-2-11.M Board Removal ....................................

1-17

1-2-12.IFA Board Removal ..................................

1-18

1-2-13.U1 Board Removal ....................................

1-19

1-2-14.U2 Board Removal ....................................

1-20

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

2-1

2-2. Media Receiver Unit (MBT-XBR900L) ...............

2-2

3-1. Block Diagrams

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

3-1

3-1-2.Media Receiver Unit (MBT-XBR900L) ....

3-5

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

3-14

3-3. Circuit Boards Location

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

3-15

3-3-2.Media Receiver Unit (MBT-XBR900L) .....

3-16

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

3-17

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

3-18

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

3-18

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

3-20