Panasonic EURO 4 Chassis Technical Manual page 163

3DQDVRQLF
Chapter 4
9.5. Audio Signal Source
9.5.1. Audio Switching Inputs
Signals input to the audio switching IC IC3151, are
applied from a number of sources. These are shown
below:
:
Pin 4 - TV-Lin
The input at pin 4 sees the left audio signal output from
the MSP IC2101 pin 28 (located on the E-Board), this
left audio signal being fed to pin 3 of the 21 pin scart
terminal, AV2.
This left audio signal being accompanied by right
audio signal (see pin 21)
:
Pin 5 - Mon Lin
Input at pin 5 is the left audio signal which is output
from the MSP IC2101 pin 31 and which is output to
both AV1 pin 3 of the 21 pin scart terminal. and the
monitor audio output terminal JK3403 located on the
H-Board.
:
Pin 6 - AV2 Lin
This input is used for the left audio signal fed from the
21 pin scart terminal AV2 pin 6 (located on the
H-Board). This left audio signal being accompanied
by the right audio signal (see pin 19)
:
Pin 7 - DVB Lin
The left audio signal fed from the DVB decoder
located on the V-Board is input to pin 7 of IC3151.
This left audio signal being accompanied by the right
audio signal (see pin 18)
:
Pin 18 - DVB Rin
The right audio signal fed from the DVB decoder
located on the V-Board is input to pin 18 of IC3151.
This right audio signal being accompanied by the left
audio signal (see pin 18).
:
Pin 19 - AV2 Rin
This input is used for the right audio signal fed from
the 21 pin scart terminal AV2 pin 2 (located on the
H-Board). This right audio signal being accompanied
by the left audio signal (see pin 19).
:
Pin 20 Mon Rin
Input at pin 20 is the right audio signal which is output
from the MSP IC2101 pin 30 and which is output to
both AV1 pin 1 of the 21 pin scart terminal. and the
monitor audio output terminal JK3403 located on the
H-Board.
:
Pin 21 - TV Rin
The input at pin 21 sees the right audio signal output
from the MSP IC2101 pin 27 (located on the E-Board),
this right audio signal being fed to pin 1 of the 21 pin
scart terminal, AV2.
This right audio signal being accompanied by left
audio signal (see pin 4)
9.5.2. Audio Switching Outputs
:
Pin 9 - AV1 Lout
The left channel audio signal output from 9 is fed to
the AV1 21 pin terminal pin 3.
:
Pin 10 - AV1 Rout
The right channel audio signal output from 10 is fed
to the AV1 21 pin terminal pin 1.
:
Pin 11 - AV2 Lout
The selected left channel audio signal output from pin
11 of IC3151 is then fed to the 21 pin scart terminal
pin 3 of AV2.
:
Pin 12 - AV2 Rout
The selected right channel audio signal output from
pin 12 of IC3151 is then fed to the 21 pin scart terminal
pin 1 of AV2.
:
Pin 13 - Mon Lout
This output is used to feed a left channel audio signal
to the audio monitor output JK3403.
:
Pin 14 - Mon Rout
This output is used to feed a right channel audio signal
to the audio monitor output JK3403.
:
Pin 15 - AV2 / DVB Lout
This output of IC3151 is used to feed either the
selected left channel audio signal fed from AV2 or the
DVB decoder, to the MSP IC2101 (located on the
E-Board) pin 41 for further processing.
:
Pin 16 - AV2 / DVB Rout
This output of IC3151 is used to feed either the
selected right channel audio signal fed from AV2 or
the DVB decoder, to the MSP IC2101 (located on the
E-Board) pin 42 for further processing.
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EURO 4D Supplement