AP21487/1
Azur 840C CD Player
Upgrade Software Instructions
Cambridge Audio
Gallery Court
Hankey Place
London SE1 4BB
England
www.cambridge-audio.com
Introduction
The following instructions are a step-by-step guide on how to upgrade the DSP (Digital
Signal Processor) chip (Type is Analog Devices ADSP-BF532BSTZ400 and ident on
PCB is U13) and the PIC Microcontroller chip (Type is Microchip PIC16F877A-I/P and
ident on PCB is U2), inside the 840C CD Player.
Equipment Required
1 x
840C CD Player with mains lead.
1 x
Desktop PC or Laptop with Windows XP Service Pack 2 installed, and with one 9
way D-Type serial communications port free.
1 x
9 way female-female D-Type Null Modem Cable. Example cable to use is:
Product Code 976-880 from Farnell (
http://uk.farnell.com
). Pin layout and
example cable pictures are shown below.
Pin Layout
Example Cable
1 x
840C Loader Program installed on PC or
Laptop (840C Loader Program.zip).
53
Содержание Azur 840C
Страница 5: ...Cambridge Audio Azur 840C CD Player Exploded Diagram To enhance viewing please print to A3 5 ...
Страница 42: ...Cambridge Audio Azur 840C CD player IC Pin Layout Details TA2153FN Servo PCB U1 TC9462FG Servo PCB U2 42 ...
Страница 47: ...CS8406CZ DAC PCB U12 ADSP BF532BSTZ400 DAC PCB U13 7815 DAC PCB U14 U22 U49 U51 47 ...
Страница 51: ...MPSA14 DAC PCB Q4 Q6 TIP31 DAC PCB Q10 Q11 BC817 25 DAC PCB Q1 Q12 Q13 Q17 Q18 51 ...
Страница 52: ...Circuit Description To Follow 52 ...