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|7th July 2012, 11:26 PM||#1|
Join Date: Jul 2012
Beginners help Needed adding spdif input
as a complete beginner could some let me know if the folowing is possible.
I have a broken philips LX3000D home cinema system, the audio section works fine but the dvd player no longer plays discs.
I was wondering if it is possible to add an spdif coaxial input to this system so I can use it as surround sound system in a spare room.
From what I work out the system has an ES6018 Vibratto chip which feeds a CS4360 Dac
the ES6018 pin outs include the following
TWS Pin 32 O Audio transmit frame sync.
SEL_PLL2 I System and DSCK output clock frequency selection is made at the rising edge of
RESET#. The matrix below lists the available clock frequencies and their respective
PLL bit settings.
TSD0 Pin 33 O Audio transmit serial data port 0.
SEL_PLL0 I Refer to the description and matrix for SEL_PLL2 pin 32.
TSD1 Pin 36 O Audio transmit serial data port 1.
SEL_PLL1 I Refer to the description and matrix for SEL_PLL2 pin 32.
TSD 37 O Audio transmit serial data output 2.
TSD 38 O Audio transmit serial data output 3.
these pins the feed something called RA8 which seems to a set of resistors I think
the philips manual says RA8 is a RES Array 4X33R 1/10w 5%
the other side of RA8 then feeds IC10 which is the cs4360 chip
the pins on the cs4360 chip are as follows
I think the connections are as follows
ES6018 > RA8 > CS4360
Pin32 -> RA8 -> Pin6
Pin33 -> RA8 -> Pin2
Pin36 -> RA8 -> Pin3
Pin37 -> RA8 -> Pin4
Would be possible (although very difficult as they are very small !!) to solder a co-axial connection to the input side of RA8 so that I could attach the spdif co-axial output from a satallite tv box to this unit to use its surround sound capabilities which are currently going to waste, and if so which of the connections should I use.
I have the service manual for the lx3000d and the datasheets for the es6018 and cs4360 chips if they would be any help I can extract the relevant sections.
As I said I'm a complete novice so my whole idea might be ridiculous, if so just say so and I'll forget it, but if its possible even if its no where near where I think it can be done please suggest a method which would be possible.
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