KE-61MR1 - Sony TV Service Manual (repair manual). Page 4

KE-61MR1 (K)     4

DIAGNOSIS
(Reliability Self Diagnostic Display Specifications for MEDIA RECEIVER)

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

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.