Roland Mc-09 PhraseLab Teardown

As Dave (EEVblog) would say : Don't turn it on, take it apart!

See some picture of a Roland MC-09 inside .. :

The Panel  outside and inside

The main board [Bottom]

The Main Board [Top]

Detailed Views
          - Power Parts

  

          -Audio out/in Parts
               Headphone plug

 audio in/out

               -DSP/ uC /RAM /Flash
uController  (only for smartmedia??)

 The DSP

 the Flash

 RAM 1 (maybe for external sample)

 Ram 2

Ram2

   -the DAC (for in and out) the small chip near the RAM

      -   the sliders

   - smartmedia connector

Mainboard with chip placement

Some References, datasheet, chip list of the one i've found (only the identified component)

RAM x1

GM71C18163C
1,048,576 WORDS x 16 BIT
CMOS DYNAMIC RAM

LC324260BJ-60    (4Meg)
Fast Page Mode Dynamic RAM
256K x  16

Flash x1

8M (1M ´ 8/512K ´ 16) BIT
MBM29F800BA-70PFTN

uC x1

16bit microcomputer
H8/3006
Renesas 16-Bit Single-Chip Microcomputer


OP AMP x4
 Dual low-noise operational amplifiers
M5218a
http://bihai.ic37.com/pdf1/pdf1yuikjh78y899/2006-1-1/3591/M5218_www.ic37.com.pdf

AD/DA Converter x1
AK4552
3V 96Khz 24bit
http://www.asahi-kasei.co.jp/akm/en/product/ak4552/ak4552_f01e.pdf

DSP x1
R02231767 RA0A-101 (TC223C080AF-101)
Same as MC-909 or DR-880

Regulator
29M33
UPC29M33A
THREE-TERMINAL LOW DROPOUT VOLTAGE REGULATOR 3.3V

17805T
Standard 78 series, 3-pin regulator



Other Logic ICs

VHC 32
TC74VHC32F
QUAD 2-INPUT OR GATE

VHC74
TC74VHC74F
Dual D-Type Flip-Flop with Preset and Clear

VHC 08
TC74VHC08FT
http://elcodis.com/parts/616126/TC74VHC08FTELM.html#datasheet
Quad 2-Input AND Gate

LV4051A
HD74LV4051A
8-CHANNEL ANALOG MULTIPLEXER/DEMULTIPLEXER


LV245A
SN74LV245A
Octal Bus Transceivers With 3-State Outputs