Equipment Required; Pin Layout - Cambridge Audio Azur 840C Service Manual

AP21487/1
Azur 840C CD Player
Upgrade Software Instructions
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
Laptop (840C Loader Program.zip).
1 x 840C Loader Program installed on PC or
Cambridge Audio
Gallery Court
Hankey Place
London SE1 4BB
England
www.cambridge-audio.com
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