Rolad D50 LA Synthesizer Service Notes


Cover
ROM Version / Adjustment / Recovering TONE RAM DATA
Software Revision

Disassembling
Exploded View
Keys

**** HIDDEN FACTORY TESTMODES ! ****

Activating the testmode

LCD Test
PANEL Test 2
CONTROLE Test 1

CONTROLE Test 2

*** Schematics ***

Block Diagramm

MAIN OVERVIEW ( 102 kB )
MAIN Hi Res ( 367 kB )

POWER SUPPLY / BENDER / JACK

Jack / Bender / Joy Stick
Panel
LCD / Memory Card
Dyna Scan / Keyboard

**** BOARDS ****
MAIN ( 216 kB )
Bender
Jack
Power
Dyna Scan

SOME IC DATA

IC 1
IC 2