Generalmusic RPStudio User manual

11
11
1 ❏ ❏
❏ ❏
❏
CODE:270127
Index&Warnings
Soldering point.
Male connector.
Female connector.
M/F faston connector.
Test point.
Supply voltage.
Logic supply ground.
Analog supply ground.
Signal ground.
Chassis ground.
Flag joined with one or more flags with the same signal name inscribed.
GENERALMUSICS.p.A.SalesDivision:47048S.GiovanniinMarignano(RN)ITALY-ViadelleRose,12-tel.[phone]-tlx550555GMUSICI-fax[phone]
Opening & Disassembling Instructions
2
Assembly & Wiring Connections
3
Autotest Chart, Block Diagram
4
Controls Panel, Power Amplifier & Supply, Aux & Midi I/O, Phones Boards
5
Keyboard Contact Boards & Keyboard Interface Board
6
Cpu & Sound Generator Board
7
Spare Part List
8
Notice
Service must be carried out by qualified personnel only.Any tampering carried out by unqualified personnel during the guarantee
period will forfeit the right to guarantee.
For a correct operation of the instrument, after having switched off, be careful to wait at least 3 seconds before switching on again.
To improve the device's specifications, the schematic diagrams may be subject to change without prior notice.
SchematicNotes
All components marked by this symbol have special safety characteristics, when replacing any of these components use only
manufacturer's specified parts.
The (µ) micro symbol of capacitance value is substituted by U. The (Ω) omega symbol of resistance value is substituted by E.
The electrolytic capacitors are 25Vdc rated voltage unless otherwise specified. All resistors are 1/8W unless otherwise specified.
ATTENTION
Observe precautions when handling
electrostatic sensitive devices
SERVICE MANUAL
Schematic Diagrams

❏ ❏
❏ ❏
❏ 22
22
2
1) TO REMOVE THE COVER UNSCREW THE FOUR SCREWS ON THE REAR, PULL THE COVER TOWARD YOU AND LIFT IT UP. 2) TO REMOVE THE CONTROL PANEL UNSCREW THE TWO SCREWS AT EACH END AND THE TWO SCREWS THAT ANCHOR THE CONTROL PANEL SUPPORTS TO THE CHASSIS.
3) TO REMOVE THE KEYBOARD UNSCREW THE 11 (TP20) OR 16 (TP8) SCREWS UNDER THE KEYBOARD. 4) TO REMOVE A KEY INSERT A SCREWDRIVER OR OTHER SIMILILAR OBJECT IN THE SPLIT AT THE KEY BACK, APPLY A LIGHT PRESSURE AND PUSH IN THE DIRECTION SHOWN.
NOTE: BEFORE YOU REMOVE A NATURAL KEY YOU MUST REMOVE THE KEYBOARD, IF YOU REMOVE A SHARP KEY THIS OPERATION IS NOT NECESSARY.
TP20
4) TO REMOVE A KEY, FIRST REMOVE THE RETURN SPRING, THEN INSERT A SCREWDRIVER IN THE SPLIT AT THE KEY BACK AND APPLY A LIGHT PRESSURE IN THE DIRECTION SHOWN.
NOTE: BEFORE YOU REMOVE A KEY YOU MUST REMOVE THE KEYBOARD; IF YOU REMOVE A SHARP KEY, YOU MUST REMOVE AN ADJACENT NATURAL KEY FIRST.
TP8
DRW
APP.
CKD
WRITTEN CONSENT BY GENERALMUSIC.
OR REPRODUCE THIS DOCUMENT WITHOUT
ALL RIGHTS ARE RESERVED, NO COPIES
GENERALMUSIC S.p.A. ITALY
PART:
DWG#
DISK:
REV:
PCB#
R. Falconi
D. Jakowsky
G. Boccato 500732
09-07-96
39
Disassembling Instructions
1/1

33
33
3 ❏ ❏
❏ ❏
❏
DRW
APP.
CKD
WRITTEN CONSENT BY GENERALMUSIC.
OR REPRODUCE THIS DOCUMENT WITHOUT
ALL RIGHTS ARE RESERVED, NO COPIES
GENERALMUSIC S.p.A. ITALY
PART:
DWG#
DISK:
REV:
PCB#
M. GALANTI
R. GIORGI
G. BOCCATO 500737
24/07/96
39
Assembly & Wiring Connections
1/1
AUX & MIDI I/O BOARD
PHONES BOARD
LEFT SIDE
KEYBOARD INTERFACE BOARD88 NOTES KEYBOARD
VOLUME
MIN
DEMO MASTERSET
MAX
L WOOFER
COVER
FRONTAL COVER GRID
CPU & SOUND GENERATOR BOARDL TWEETER
CONTROLS PANEL BOARD CONTROLS PANEL
ORGAN
JAZZ
RHODEX
TRANSPOSE
- + GRAND
CONCERT
BRILLIANCE
-+
FM
PIANO HARPSI STRINGS ORGAN
POP
SOUNDS
PHASER
TREMOLO
CHORUS
PIPE
ORGAN REVERB DSP EFFECTS
ROOM
HALL
STAGE
TOUCH
NORMAL
SOFT
HARD
POWER SWITCH
RIGHT SIDE
POWER AMPLIFIER & SUPPLY BOARD TRANSFORMER R TWEETER
MAINS CORD
MAINS FILTER BOARDR WOOFER

❏ ❏
❏ ❏
❏ 44
44
4
DRW
APP.
CKD
WRITTEN CONSENT BY GENERALMUSIC.
OR REPRODUCE THIS DOCUMENT WITHOUT
ALL RIGHTS ARE RESERVED, NO COPIES
GENERALMUSIC S.p.A. ITALY
PART:
DWG#
DISK:
REV:
PCB#
M. Galanti
P. Faccin
G. Boccato 500736
18/07/96
39
BLOCK DIAGRAM
1/1
²
AUTOTEST CHART
TEST OPERATION EVENT
Start Turn on instrument while holding press
ed
"TOUCH" button. All REVERB and DSP EFFECTS leds are flashing.
Leds Press "TOUCH" button. All leds go on. Check that all leds are on.
Buttons Press "TOUCH" button. Only "TOUCH" button leds is on.
Press all panel buttons one by one excep
t
"TOUCH" button Every button pressed must light corresponding led.
Pedals Press "TOUCH" button REVERB-HALL led is on and REVERB-STAGE led is flashing.
Press left pedal [SOFT] The first 4 SOUND leds are on with pedal pressed, off with pedal released.
Press right pedal [DAMPER] The last 4 SOUND leds are on with pedal pressed, off with pedal released.
Midi Press "TOUCH" button REVERB-HALL and STAGE leds are on and the REVERB ROOM led is flashing.
Loop the MIDI OUT with the MIDI IN
connectors with a single MIDI cable. If a loop is verified the first 4 leds go on, if you disconnect the loop, all leds go off.
Sinus Test Press "TOUCH" button All REVERB leds go on, DSP EFFECT PHASER and TRANSPOSE leds flash. A 1000Hz sinusoida
l
tone must sound.
Press and instantly release TRANSPO
SE
+/- These buttons should slightly modify frequency within range 10-2756Hz.
Press and hold TRANSPOSE +/- These buttons should quickly modify frequency within range 10-2756Hz.
Move the VOLUME potentiometer. During this test the volume level is fixed to test the right output level. Moving the VOLUME you shou
ld
set a different output level, this signal is useful to check power amplifier and speakers.
Exit Press "TOUCH" button DSP EFFECT PHASER led remain on confirming end of test.
Repeat Press and hold "TOUCH" button. Autotest starts again.
Press "TOUCH" button to stop. The instrument is ready to play.
Note The autotest operations can be performed only in the sequence specified above.
During test all normal keyboard functions are disabled.
At the end of autotest a memory reset takes place. A loud "click" during reset is normal.

55
55
5 ❏ ❏
❏ ❏
❏

❏ ❏
❏ ❏
❏ 66
66
6

77
77
7 ❏ ❏
❏ ❏
❏

❏ ❏
❏ ❏
❏ 88
88
8
Spare Part ListSpare Part List
Spare Part ListSpare Part List
Spare Part List
LegendLegend
LegendLegend
Legend
EU =Specify European Version (230Vac)
US =Specify United States Version (115Vac)
Baldwin =Specify The Baldwin Version.
CodeCode
CodeCode
Code DescriptionDescription
DescriptionDescription
Description
AccessoriesAccessories
AccessoriesAccessories
Accessories
660279 Music Stand
261303 Music Stand (Baldwin)
271073 Owner’s Manual
271059 Owner’s Manual (Baldwin)
Optional AccessoriesOptional Accessories
Optional AccessoriesOptional Accessories
Optional Accessories
970240 Stand Kit
970250 Stand Kit (Baldwin)
970239 * Dual Pedals Assembly
130272 ** Pedals Cable
340140 * Plastic Foot
261093 * Foot
261092 * Upper Cross-Bar
261091 * Lower Cross-Bar
261090 * Right Leg
261089 * Left Leg
170585 * Metal Foot
150618 * M6 19mm Screw With Thumb
970243 Bench
Cabinet AssemblyCabinet Assembly
Cabinet AssemblyCabinet Assembly
Cabinet Assembly
660507 Frontal Cover Grid
660505 Keyboard Cross-Bar
652887 Left Side
652886 Right Side
652875 Speaker Grid
340704 Rca Socket Bush
340090 Music Stand Bush
261304 Cover (Baldwin)
261088 Cover
230133 Transformer 115Vac 130W (US)
230132 Transformer 230Vac 130W (EU)
220107 8ohm Woofer Speaker
220087 8ohm Tweeter Speaker
190133 Lateroid Insulator For Screw Block
190015 Adhesive Rubber Foot
150021 Cord Lock
140036 Screw Block (specify contacts)
130294 Mains Cord (EU)
130277 Mains Cord (US)
110362 Mains Switch
110055 T1.6A Fuse 6.3x32mm (US)
110011 T1A Fuse 5x20mm (EU)
020493 100n 250Vac MKP EMI Capacitor “Siemens”
Mains AssemblyMains Assembly
Mains AssemblyMains Assembly
Mains Assembly
768006 Mains Filter Board (pcb# 315014) (US)
767988 Mains Filter Board (pcb# 315014) (EU)
230568 * 10mH 250Vac 1A AC Line EMI Coil “Siemens”
140010 * 3 Contacts P=10 Vert Terminal Block
110114 * Fuse Clip 6.3x32mm 6A max (US)
110113 * Fuse Clip 5x20mm 6A max (EU)
020493 * 100n 250Vac MKP EMI Capacitor “Siemens”
010719 * 2n2 250Vac 7A 20% AC Line “Y” Filter “Murata”
Power Amplifier & Supply BoardPower Amplifier & Supply Board
Power Amplifier & Supply BoardPower Amplifier & Supply Board
Power Amplifier & Supply Board
730524 Power Amplifier & Supply Board (pcb# 310543) (US Version)
730517 Power Amplifier & Supply Board (pcb# 310543) (Europe Version)
141010 * 4 Contacts Vert Female Connector
140917 * 2 Contacts Vert Male Connector
140352 * 9 Contacts Hor Male Connector
140351 * 6 Contacts Hor Male Connector
140010 * 3 Contacts P=10 Vert Terminal Block
110119 * Fuse Clip 10A max (EU) (US)
110061 * T3.15A Fuse 6.3x32mm (US)
110026 * T1.25A Fuse 6.3x32mm (US)
110013 * T1.25A Fuse 5x20mm (EU)
110003 * T3.15A Fuse 5x20mm (EU)
100958 * TDA7265 Dual 25W Power Amplifier
100919 * MC33078 Dual LN J-Fet Operational Amplifier
100059 * 7805 +5V 1A Voltage Regulator
100045 * 7812 +12V 1A Voltage Regulator
100043 * 7912 -12V 1A Voltage Regulator
090856 * J176 TO92 P-Channel J-Fet Transistor
090182 * BC173C TO92 Npn Transistor
080605 * KBL02 4A 200V Bridge Rectifier Diode
080156 * 1N4002 1A 100V Rectifier Diode
080103 * 1N4148 100mA 75V Signal Diode
Keyboard & Interface AssemblyKeyboard & Interface Assembly
Keyboard & Interface AssemblyKeyboard & Interface Assembly
Keyboard & Interface Assembly
720489720489
720489720489
720489 Keyboard & Interface Assembly (TP20)Keyboard & Interface Assembly (TP20)
Keyboard & Interface Assembly (TP20)Keyboard & Interface Assembly (TP20)
Keyboard & Interface Assembly (TP20)
720486720486
720486720486
720486 Keyboard & Interface Assembly (TP8)Keyboard & Interface Assembly (TP8)
Keyboard & Interface Assembly (TP8)Keyboard & Interface Assembly (TP8)
Keyboard & Interface Assembly (TP8)
840762 * 20 Wires 25cm Length Flat Cable
840761 * 20 Wires 12.5cm Length Flat Cable
760995760995
760995760995
760995 **
**
*Keyboard Interface Board (PCB#315024)Keyboard Interface Board (PCB#315024)
Keyboard Interface Board (PCB#315024)Keyboard Interface Board (PCB#315024)
Keyboard Interface Board (PCB#315024)
141018 ** 20 Contacts Vert Female Connector
141011 ** 6 Contacts Vert Female Connector
140918 ** 2 Contacts Hor Male Connector
100740 ** HD6433278 Cpu F=20MHz
100605 ** 74HC125 Quad 3-State Buffer
050493 ** Resistor Array 10K X4 1/8w 5%
050492 ** 10Kx8 1/8w 5% Resistor Array
050414 ** 2K2 X4 1/8w 5% Resistor Array
010726 ** 19.2MHz Ceramic Resonator With Capacitors
010662 ** 220p 10% 50V X8 Cap Array
010661 ** 47p 10% 50V X8 Cap Array
720490 * Keyboard Assembly (TP20)
720482 * Keyboard Assembly (TP8)
810552810552
810552810552
810552 ****
****
** 39 Contacts L Board For Dynamic Keyb. (PCB#310531)39 Contacts L Board For Dynamic Keyb. (PCB#310531)
39 Contacts L Board For Dynamic Keyb. (PCB#310531)39 Contacts L Board For Dynamic Keyb. (PCB#310531)
39 Contacts L Board For Dynamic Keyb. (PCB#310531)
340764 *** 3 Dual Contacts Rubber Strip
340211 *** 12 Dual Contact Rubber Strip
141018 *** 20 Contacts Vert Female Connector
141010 *** 4 Contacts Vert Female Connector
080103 *** 1N4148 100mA 75V Signal Diode
810551810551
810551810551
810551 ****
****
** 49 Contacts R Board For Dynamic Keyb. (PCB#310530)49 Contacts R Board For Dynamic Keyb. (PCB#310530)
49 Contacts R Board For Dynamic Keyb. (PCB#310530)49 Contacts R Board For Dynamic Keyb. (PCB#310530)
49 Contacts R Board For Dynamic Keyb. (PCB#310530)
340212 *** 13 Dual Contact Rubber Strip
340211 *** 12 Dual Contact Rubber Strip
141018 *** 20 Contacts Vert Female Connector
141010 *** 4 Contacts Vert Female Connector
080103 *** 1N4148 100mA 75V Signal Diode
500069500069
500069500069
500069 ****
****
** Mechanical Keyboard Assembly (TP20)Mechanical Keyboard Assembly (TP20)
Mechanical Keyboard Assembly (TP20)Mechanical Keyboard Assembly (TP20)
Mechanical Keyboard Assembly (TP20)
160211 *** Key Return Spring
151172 *** Last C Key
151171 *** First A Key
151170 *** Sharp Key
151169 *** B Key
151168 *** A Key
151167 *** G Key
151166 *** F Key
151165 *** E Key
151164 *** D Key
151163 *** C Key
500070500070
500070500070
500070 ****
****
** Mechanical Keyboard Assembly (TP8)Mechanical Keyboard Assembly (TP8)
Mechanical Keyboard Assembly (TP8)Mechanical Keyboard Assembly (TP8)
Mechanical Keyboard Assembly (TP8)
160211 *** Key Return Spring
151182 *** Last C Key
151181 *** First A Key
151180 *** Sharp Key
151179 *** B Key
151178 *** A Key
151177 *** G Key
151176 *** F Key
151175 *** E Key
151174 *** D Key
151173 *** C Key
340092 * 5mm Board Spacer
Controls Panel AssemblyControls Panel Assembly
Controls Panel AssemblyControls Panel Assembly
Controls Panel Assembly
820492 Controls Panel Assembly (Baldwin)
820491 Controls Panel Assembly
810301 * Controls Panel Board (pcb# 310542)
730520 ** Volume Board (pcb# 310507/1)
140874 *** Single In Line Vert Male Strip (specify contacts)
070551 *** 10K Linear 30mm Slider Potentiometer
340825 ** 2.8mm Led Spacer
141018 ** 20 Contacts Vert Female Connector
140918 ** 2 Contacts Hor Male Connector
140529 ** Microswitch 12V 50mA 0.25mm
090192 ** BC307 TO92 Pnp Transistor
080748 ** 2mm Dot Diffused Green Led
080747 ** 2mm Dot Diffused Red Led
080103 ** 1N4148 100mA 75V Signal Diode
660506 * Controls Panel (Baldwin)
660504 * Controls Panel
652885 * <REVERB>.....<TOUCH> Rubber Keypad
652872 * <DEMO>.....<PIPE ORGAN> Rubber Keypad
340820 * Slider Knob
340523 * 6,5mm Spacer
340512 * Slider Potentiometer Guide
210258 * Slider Potentiometer Felt
210020 * 1.5x12mm Adhesive Red Felt (specify mt)
210017 * 2x10mm Adhesive Black Felt (specify mt)
171508 * Controls Panel Support
Cpu & Sound Generator BoardCpu & Sound Generator Board
Cpu & Sound Generator BoardCpu & Sound Generator Board
Cpu & Sound Generator Board
761098 Cpu & Sound Generator Board (pcb# 315093)
550607 * 27C1001 1Mbit Program Eprom
141018 * 20 Contacts Vert Female Connector
141011 * 6 Contacts Vert Female Connector
141010 * 4 Contacts Vert Female Connector
140889 * Dual In Line Vert Male Strip (specify contacts)
140877 * Jumper For Contacts Strip (p=2.54mm)
140352 * 9 Contacts Hor Male Connector
106001 * MC33078P Smd Dual LN J-Fet Operational Amplifier
105006 * HD6413003F16 Cpu Smd F=16MHz
105002 * DISP3 Digital Sound Processor
104020 * HM62256AFP-7T SOP Sram 256K Ta=70nS
104019 * ST24W02 Smd 2Kbit Serial Access EEprom
104018 * 23C32000G SOP Rom 32Mbit Wave Rps
104010 * HM514280AJ SOJ Dram 4M5bit Ta=70nS
103010 * 74HC04D SOIC Hex Inverter
103009 * 74HC02D SOIC Quad 2-In Nor Gate
103007 * 74HC74D SOIC Dual Flip-Flop
103004 * AD1865R SOP 18bit D/A Converter
103002 * 74HC245DW Soic Octal Bus Transceiver
103000 * 74HC14D Soic Hex Inverter Schmitt Trigger
101501 * 74AC377DW SOIC Octal Dtype Flip Flop
090192 * BC307 TO92 Pnp Transistor
090182 * BC173C TO92 Npn Transistor
081000 * PMLL4148 Smd 100mA 75V Signal Diode
080241 * 5V6 1W 5% Zener Diode
010727 * 45.1584MHz Quartz Resonator
010704 * 16MHz Quartz Resonator
Aux & Midi I/O AssemblyAux & Midi I/O Assembly
Aux & Midi I/O AssemblyAux & Midi I/O Assembly
Aux & Midi I/O Assembly
730515 Aux & Midi I/O Board (pcb# 310551)
230569 * FL5R200PNT EMI Coil For Signal
230527 * BL02RN2-R62 EMI Coil For Signal
141010 * 4 Contacts Vert Female Connector
140917 * 2 Contacts Vert Male Connector
140351 * 6 Contacts Hor Male Connector
140217 * Horizontal Jack Stereo Slim Socket
140216 * Horizontal Female 6 Poles Din Socket
140212 * Horizontal Female 5 Poles Din Socket
140207 * Horizontal Female Jack Socket
100602 * 74HC04 Hex Inverter
100035 * 6N138 Optocoupler
090192 * BC307 TO92 Pnp Transistor
080103 * 1N4148 100mA 75V Signal Diode
652884 Outputs Panel
Phones BoardPhones Board
Phones BoardPhones Board
Phones Board
730516 Phones Board (pcb# 310541)
230569 * FL5R200PNT EMI Coil For Signal
140351 * 6 Contacts Hor Male Connector
140217 * Horizontal Jack Stereo Slim Socket
140207 * Horizontal Female Jack Socket
Wiring ConnectionsWiring Connections
Wiring ConnectionsWiring Connections
Wiring Connections
840901 9 Wires 7.5cm Length Flat Cable
840850 6 Wires 5cm Length Flat Cable
840844 2 Wires 7.5cm Length Cable
840843 20 Wires 45cm Length Flat Cable
840842 4 Wires 15cm Length Flat Cable
840799 4 Wires 7.5cm Length Flat Cable
840791 2 Wires 40cm Length Cable
840788 2 Wires 15cm Length Cable
840770 6 Wires 25cm Length Flat Cable
840737 4 Wires 12.5cm Length Flat Cable
770756 Speakers Cables Assembly
770755 Mains Cables Assembly
Note:Note:
Note:Note:
Note:
Each spare part is single quantity unless otherwise specified.
Asterisk prefix explanation:
Omitted = First level spare part.
One asterisk = Second level, part of previous listed first level part.
Two asterisk = Third level, part of previous listed second level part.
Three asterisk = ............
Any request for not above mentioned part must encompass specific description including:
1) Model name,
2) Section name,
3) Module code,
4) Reference name,
5) Quantity number.