GEM Powerstation SK760, Руководство по обслуживанию

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J J J J J
APP.
CKD
DRW
REV:
DISK:
DWG#
PRT:
PCB#
GENERALMUSIC S.p.A. ITALY
ALL RIGHTS ARE RESERVED, NO COPIES
WRITTEN CONSENT BY GENERALMUSIC.
OR REPRODUCE THIS DOCUMENT WITHOUT
G.Boccato
N.Riccobelli
Orsetti
550147
64 1/1
07/04/98
Cpu & Sound Generator Board
General User Map
VIDEO
CN11
SUPPLY KBD
CN13 CN13B 1
2MB DRAM
CN9
CN7
SUPPLY POWER
OUTPUTS
ANALOG
CN6
LCD CN1
PANEL
315150
CN3 MIDI
VIDEO CN4
CN2
CN17 LCD
45.15MHz
CN12
HARD DISK
CN14 CN15
KBD
DRIVER
CN10
CN8
SCSI
SIMM18
SIMM17
8MB
DRAM
J2
SIMM
2MB
J1
A
B
8MB 2MB CN5
DRAM
8MB DRAM
CN16
CPU
FPGA
FLASH FLASH
MEMORY MEMORY
DISP3
FLOPPY
DISK
CNTRL
J2 - Set this jumper as follow:
1-2 for 8MB SAMPLE DRAM expansion
2-3 for 2MB SAMPLE DRAM expansion
if no DRAM expansion is installed
the jumper position must be 1-2.
CN5 - SAMPLE DRAM Expansion
Two sizes are available:
970213 - 2Mbyte (32pins)
970331 - 8Mbyte (44pins)
J1 - Set the jumper as follow:
1-2 "A" if Buffer modules are installed
2-3 "B" if SIMM DRAM modules are installed
note: the buffer modules are supplied
with A/V & Vocal processor kit, if
neither buffer or Simm modules are
installed, J1 position is ininfluent.
CN4 & CN12 to A/V
& Vocal Processor Board
CN3 - to MIDI I/O Board CN2 - to Controls Panel Board
CN1 or CN17 to Lcd Display
(depend by organ model)
CN6 - to Outputs or
Amplifier Board
CN7 - from Power
Supply Board
CN11 - to Keyboard
Interface Board
CN9 - 2Mbyte DRAM expansion
supplied with Hard Disk mounting kit
CN13 (and also CN18) - these connectors
are connected to A/V and Vocal Processor Board
the configuration of these depend by organ model
CN15 - from Keyboard Interface Board
CN14 - Used only for development
VR1 - After Touch Adjustment
CN10 - to 3.5" Disk Drive
SIMM DRAM Expansion Slots,
These modules must be two as:
1M x8 or x9 70nS 30-pins
4M x8 or x9 70nS 30-pins
only 4Mx2 are available from
Generalmusic as code 970225
CN8 - HARD DISK Expansion
970207 - Optional mounting kit
for Hard disk unit
Ground Connection
CN16 - SCSI Expansion