FAULT REPAIR PROCEDURES

IMG2

PIM 3

MUX MUX

LC/TRK LC/TRK LC/TRK

PIM 2

 

MUX

MUX

LC/TRK LC/TRK LC/TRK

PIM 1

 

MUX

MUX

LC/TRK LC/TRK LC/TRK

PIM 0

 

MUX

MUX

LC/TRK

LC/TRK LC/TRK

PIM 3

PIM 2

PIM 1

PIM 0

IMG3

 

MUX

MUX

LC/TRK LC/TRK LC/TRK

MUX

MUX

LC/TRK LC/TRK LC/TRK

MUX

MUX

LC/TRK LC/TRK LC/TRK

MUX

MUX

LC/TRK LC/TRK

LC/TRK

LVDS (Low Voltage Differential Signaling) To IMG0 To IMG0 To IMG1 To IMG1

TSWM

Symbols

TSW 02

MUX 023

MUX 022

MUX 021

MUX 020

TSW/INT

TSW 12

MUX 120

MUX 121

MUX 122

MUX 123

TSW/INT

TSW 03

MUX 033

MUX 032

MUX 031

MUX 030

TSW/INT

TSW 13

MUX 130

MUX 131

MUX 132

MUX 133

TSW/INT

TSW/

TSW/

TSW/

TSW/

INT

INT

INT

INT

TSW

TSW

TSW

TSW

00

10

01

11

:

Speech Path

 

 

 

 

 

:

Cable

 

 

 

 

 

 

 

 

:

Circuit Card (Active)

 

 

 

 

:

Circuit Card (STBY)

 

 

 

TSW: PH-SW12

MUX: PH-PC36

Figure 5-8 Speech Path Block Diagram (Continued)

CHAPTER 5

NDA-24300

Page 348

Issue 1

Page 375
Image 375
NEC NDA-24300 manual IMG2 PIM