KE-42TS2E, KE-42TS2U - Sony TV Service Manual (repair manual). Page 6

  

 

  

 

 

 

 

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１

１

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３．

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．

．３

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  Ｉ／Ｏ

Ｉ／Ｏ

Ｉ／Ｏ

Ｉ／Ｏ  Interface

  Interface

  Interface

  Interface Specification

 Specification

 Specification

 Specification 

  

 

  （１）Ｉ／Ｏ ｓｉｇｎａｌ 

 

No

. 

Item 

Signal Name 

Number 

of 

signals

I/O

 

Form

Content of definition 

 

Reflection 
signal 
Timing  
Signal 

RXIN0- 
RXIN0+ 
RXIN1- 
RXIN1+ 
RXIN2- 
RXIN2+ 
RXIN3- 
RXIN3+ 

1 
1 
1 
1 
1 
1 
1 
1 

Input 

LVDS 
Diff-
erent
ial 

Differential serial data 
signal. 

Input video and timing 
signals after differential 
serial conversion using a 
dedicated transceiver. 
The serial data signal is 
transmitted seven times 
faster than the base 
signal．  

Clock 

RXCLKIN-
RXCLKIN+

1 
1 

Input 

LVDS 
Diff-
erent
ial 

Differential clock 
signal. 

Input the clock signal 
after differential 
conversion using a 
dedicated transceiver. 

The clock signal is 
transmitted at the same 
speed as the base 
signal.

 

１ 

Display 
data 

Power down 
Signal 

PDWN 

1 Input 

LVTTL

Low :LVDS receiver 

outputs are all L.

High:Input signals are

 active.

 

SDA 

1 I/O 

Communication 

SCL 

1 I/O 

LVTTL
(I

2

C)

I

2

C bus serial data 

communication signal. 
Communication with the 
control MPU of this 
product is enabled.

 

CPUGO 

1 Input 

LVTTL

Low power consumption 
mode of the control MPU 
of this product is 
released.

 

PDPGO 

1 Input 

LVTTL

“High”： 

This product is 
started.

 

(CPUGO=“High” Effective)

２ 

ＭＰＵ 
Communi
cation/ 
Control 

Control 

IRQ 

1 Output

LVTTL

It changes into "Low" →
"High" when this product 
enters the undermentioned 
state. 
１．Vcc/Va/Vs output 
decrease 
２．Circuit abnormality 
detection