Waldorf Q Keyboard and Rack Voice Expansion PCB 2.0 Preliminary Schematics (1999)

42 Pages·1999·15.5 MB·English

TECHNICAL
DOCUMENTATION
Preliminary Schematics
PROJECT: Q Keyboard / Rack
PART : VOICE EXPANSION PCB
(VEXP20)
REV : 2.0
I
DATE : 09.12.99
Document-Name: PD VEXP20.PDF
© Copyright Waldorf Electronics GmbH
Neustrasse 9 - D 53498 Waldorf
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Project:UOICE EXPANSION MODULE Q/XT Pate: 09.12.98
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Project:UOICE EXPANSION MODULE QzXT Date: 09.12.98
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Title: SUPPLY & CONNECTOR Reu: 2.0
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Hotkey.txt
during power up, hold:
Global + Inst.l = Factory test
Global + Inst.2
Global + Inst.3 = Clear Flash File System Global + Inst.4 = Clear serial data
(only with 'B' versions)
Global + shift = wait for system dump
Global + Play = memory game
Global = Service mode
Multi = Service mode + DSP clock default
Page 1
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TECHNICAL INFORMATION OF
CHANGE
PROJECT: MICRO-Q MAIN PCB (MQMB11 + 12)
TIOC #: 18/020103
ATTACH TO DOCU: D.MQMB12 / D_MQMB11
PCB REV: 1.1 & 1.2
COMPONENT LAYOUT: 1.1 & 1.2
CHANGED BY: Th. Kircher
SUBJECT: Voice Expansion Installation Procedure
No. of Pages: 2
Requirements:
Voice Expansion Kit, including:
Voice Expansion Module Rev2.2
6 Screws M3
3 Distance Bolts
3 Resistors 0805 (10R,33R,47R)
1 Crystal
1 male header 32 pins
ESD Precaution(!)
SMT soldering station, solder, screwdriver
New OS, 2.17 or higher
Voice Expansion Installation Procedure;
1) update the unit with the new OS
2) disconnect power and disassemble unit's housing
3) disconnect display and back panel
4) dismantle the knobs on the front and remove the main pcb
4) modify the main pcb:
following parts are subject to change:
Part Name Old Value New Value Schematic Page
R3107 68R 47R 5 / C7
R3114 68R 33R 5 / C7
13013 Inductor 10R 5 / C5
replaced by
Resistor
_
_________ |Case 0805
remove crystal X3002 and solder the new short case crystal
on the component side of the peb
remove cap C3080 and solder the same type with the leads
bended and case laying on the pcb.
Solder the 32 pin male header CN3006 from solder side
Fasten the distance bolts also from solder side
5) remount the pcb into the housing, take care for leds and
buttons
6) fasten all screws on the main pcb
7) then install the Voice Expansion Module, take care that the
male and female header will fit properly
8) fasten the 3 screws at the exp. Module.
9) connect display and back panel
10) connect power and turn the unit into factory test by
pressing the buttons "Global" and "Instrument1" during power
up
11) select "DSP TEST" with the dial and press "Play". Check that
all DSPs and RAMs are o.k.
12) perform the "Button Test" to assure that all buttons act the
right way.
13) close the housing and enjoy!
Page 2 of 2