Download SERVICE MANUAL

Index & Warnings
O p e n in g In s tr u c tio n s
2
3
4
5
6
7
8
A u to te s t C h a r t, B lo c k D ia g r a m
P o w e r A m p lifie r & S u p p ly B o a r d
K e y b o a rd C o n ta c t B o a rd s & K e y b o a rd In te rfa c e B o a rd
C o n tr o ls P a n e l B o a r d
C p u & S o u n d G e n e ra to r B o a rd
S p a r e P a r t L is t
GENERALMUSIC S.p.A. Sales Division: 47048 S.Giovanni in Marignano (RN) ITALY - Via delle Rose, 12 - tel. 0541/959511 - tlx 550555 GMUSIC I - fax 0541/957404
SERVICE MANUAL
Notice
S e r v ic e m u s t b e
c
p e r io d w ill fo r fe it th
F o r a c o r r e c t o p e r a tio n o f th e
T o im p r o v e t h e d e v ic e 's s p e c
Schematic Diagrams
a r r ie d o u
e r ig h t to
in s tr u m e
ific a tio n s
t b
g u
n t,
, th
y q u
a ra n
a fte
e s c
a lifie d p e r s o n n e l o n ly .A n y ta m p e r in g c a r r ie d o u t b y u n q u a lifie d p e r s o n n e l d u r in g th e g u a r a n te e
te e .
r h a v in g s w itc h e d o ff, b e c a r e fu l to w a it a t le a s t 3 s e c o n d s b e fo r e s w itc h in g o n a g a in .
h e m a tic d ia g r a m s m a y b e s u b je c t to c h a n g e w ith o u t p r io r n o tic e .
Schematic
Notes
A ll c o m p o n e n ts m a r k e d
b y th is s y m b o l h a v e s p e c ia l s a fe ty c h a r a c te r is tic s , w h e n r e p la c in g a n y o f th e s e c o m p o n e n ts
m a n u f a c t u r e r 's s p e c if ie d p a r t s .
T h e ( µ ) m i c r o s y m b o l o f c a p a c i t a n c e v a l u e i s s u b s t i t u t e d b y U . T h e ( Ω) o m e g a s y m b o l o f r e s i s t a n c e v a l u e i s s u b s t i t u t e d b y E .
T h e e le c tr o ly tic c a p a c ito r s a r e 2 5 V d c r a te d v o lta g e u n le s s o th e r w is e s p e c ifie d . A ll r e s is to r s a r e 1 /8 W u n le s s o th e r w is e s p e c ifie d .
CODE : 270177
S o ld e r in g p o in t.
S u p p ly v o lta g e .
M a le c o n n e c to r .
L o g ic s u p p ly g r o u n d .
F e m a le c o n n e c to r .
A n a lo g s u p p ly g r o u n d .
M /F fa s to n c o n n e c to r.
S ig n a l g r o u n d .
T e s t p o in t.
C h a s s is g r o u n d .
u s e
o n ly
ATTENTION
O b s e r v e p r e c a u tio n s w h e n h a n d lin g
e le c tr o s ta tic s e n s itiv e d e v ic e s
F la g jo in e d w ith o n e o r m o r e fla g s w ith th e s a m e s ig n a l n a m e in s c r ib e d .
1H
H2
TEST
Start
Memory
OPERATIONS
Turn on instrument while holding pressed
"A.S.B." button.
AUTOTEST CHART
EVENTS DESCRIPTIONS
A Display message appears:
Display shows current software data version
Press "A.S.B." button.
in EPROM. After a few seconds, the memory
checksum is displayed.
Press "A.S.B." button.
RAM test starts and at end of cycle, if test is
successful, display shows message:
If test fails, display shows FAIL + address
error number and instrument crashes.
Press "A.S.B." button.
ROM LIBRARY test starts and at end, if test is
successful, display shows message:
If test fails, display shows FAIL and instrument
crashes.
Display
Press "A.S.B." button.
A Display message appears:
After few seconds all the display segments
turn black. Check that all sections are black.
LED
Buttons
Press "A.S.B." button.
All leds go on. Check that all leds are on.
Press "A.S.B." button
A Display message appears:
Press all panel buttons one by one except
Every button pressed must light
"A.S.B." button
corresponding led and display must show:
DISPLAY
RP AUTOTEST
-----------Jun 15 1995
08:00:00 v 1,00
RAM MEMORY CHECK
addr 23FFFF OK
RAM MEMORY CHECK
addr 20D215 FAIL
TEST LIBRARY
P A S S !
TEST LIBRARY
F A I L !
LCD DISPLAY TEST
----------------ÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓ
ÓÓÓÓÓÓÓÓÓÓÓÓÓÓÓ
ÒButtons TestÒ
ÒVolume:
Ò
UÒButtons TestÒ+
DÒVolume:
0Ò-
"U" and "D" simbols correspond to up and
down arrows buttons. "+" and "-" simbols
correspond to + e - buttons. Moving the
VOLUME must display a position number from
UÒButtons TestÒ+
DÒVolume: 102Ò-
0-127.
Press "A.S.B." button
Press left pedal [SOFT]
Pedals
Press center pedal [SOSTENUTO]
Press right pedal [DAMPER]
MIDI IN
& OUT
Display: "on" with pedal pressed and "off" with
pedal released.
Display: "on" with pedal pressed and "off" with
pedal released.
PEDALS: DAMP: 0
SOST:offSOFT:off
on or off
on or off
on or off
on or off
Display must show a number from 0-127 with
increased pedal pressure.
Press "A.S.B." button
Loop the two MIDI connectors with a single
MIDI cable.
A Display message appears:
If loop is interrupted, display shows:
Press "A.S.B." button
A Display message appears:
TEST MIDI IN/OUT
LOOP DETECTED OK
TEST MIDI IN/OUT
--- NO LOOP! --SINUS SWEEP
Freq.
1000Hz
A 1000Hz sinusoidal tone must sound.
TRANSPOSE +/- buttons should slightly
Sinus Test
modify frequency within range 10-2756Hz if
pressed and instantly released.
Move the VOLUME to set the output level.
This test signal is useful to check power
amplifier and speakers.
Exit
Repeat
Press "A.S.B." button
Press and hold "A.S.B." button until starting
display shows.
Press "A.S.B." button to stop.
An end test message appears.
Autotest starts again.
The instrument is ready to play.
The autotest operations can be performed only in the sequence specified above.
Note
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.
The two chips DISP3 are tested each time the instrument is turned on.
If the testing fails the message DISP FAILURE appears which disappears after few seconds without crashing the instrument.
3H
H4
5H
H6
7H
SPARE PARTS
LEGEND
EU
US
W
R
B
=
=
=
=
=
SPECIFY
SPECIFY
SPECIFY
SPECIFY
SPECIFY
EUROPE VERSION
U.S. VERSION
WALNUT VERSION
ROSEWOOD VERSION
BLACK GLOSS VERSION
ACCESSORIES
271042
271041
RP 2 OWNER’S MANUAL (ALL LANGUAGES) (US)
RP 2 / RP3 OWNER’S MANUAL (ALL LANGUAGES) (EU)
970204
970127
970046
340140
170758
150618
120685
261046
261049
261040
261045
261048
2261041
61044
261047
261042
STOOL (W)
STOOL (B)
STOOL (R)
*
PLASTIC FOOT
*
FIXING SQUARE
*
KNOB (6x19)
*
FIXING PIVOT
*
STOOL CUSHION (W)
*
STOOL CUSHION (B)
*
STOOL CUSHION (R)
*
CROSS BAR (W)
*
CROSS BAR (B)
*
CROSS BAR (R)
*
LEG (W)
*
LEG (B)
*
LEG (R)
OPTIONAL ACCESSORIES
ASSEMBLY
830577
830576
830575
660409
220083
260974
260960
260958
260955
260947
260964
260951
260949
260862
260973
260959
260957
260954
260948
260963
260861
260950
260855
260972
260871
260956
260864
260853
260946
260864
260860
260859
261022
261019
260869
260864
260863
260856
261022
260872
260873
260862
261021
261020
RP2 WOODEN PARTS
SPEAKER BOX (B)
SPEAKER BOX (W)
SPEAKER BOX (R)
*
SPEAKER GRID
*
6" WOOFER SPEAKER
WOODEN PARTS (B)
*
COVER (US)
*
COVER (EU)
*
HEAD (US)
*
HEAD (EU)
*
MUSIC STAND
*
PEDAL BAR
*
RIGHT SIDE
*
LEFT SIDE
*
KEYBOARD COVER
WOODEN PARTS (W)
*
COVER (US)
*
COVER (EU)
*
HEAD (US)
*
HEAD (EU)
*
MUSIC STAND
*
PEDAL BAR
*
KEYBOARD COVER
*
RIGHT SIDE
*
LEFT SIDE
WOODEN PARTS (R)
*
COVER (US)
*
COVER (EU)
*
HEAD (US)
*
HEAD (EU)
*
MUSIC STAND
*
PEDAL BAR
*
KEYBOARD COVER
*
RIGHT SIDE
*
LEFT SIDE
RP3 WOODEN PARTS
WOODEN PARTS (R)
*
TWEETER UPPER PANEL
*
COVER
*
CHASSIS
*
KEYBOARD COVER
*
UPPER FRONTAL PANEL
*
MUSIC STAND
WOODEN PARTS (B)
*
TWEETER UPPER PANEL
*
COVER
*
CHASSIS
*
KEYBOARD COVER
*
MUSIC STAND
*
UPPER FRONT PANEL
720408
660410
660408
660407
660406
660405
660403
660391
660390
652853
652852
340821
340811
340810
324414
323029
220087
210101
210021
171352
171331
171330
170585
MAINS ASSEMBLY
130294
130277
110362
110083
110011
020493
768005
767987
MAINS SUPPLY CABLE (EU)
MAINS SUPPLY CABLE (US)
4A 250V MAIN SWITCH
T 2A 6,3x32 FUSE (US)
T 1A 5x20 FUSE (EU)
100NF 10% 250VAC CAPACITOR
3A 115V MAINS FILTER BOARD (US)
3A 230V MAINS FILTER BOARD (EU)
730470
730453
230131
230130
TRANSFORMER ASSEMBLY 115V (US)
TRANSFORMER ASSEMBLY 230V (EU)
*
TRANSFORMER 220W 115V (US)
*
TRANSFORMER 220W 230V (EU)
171327
730440
140327
140217
140207
*
*
**
**
**
BOX FIXING
PHONES BOARD (PCB# 310513)
6 CONTACT VERTICAL MALE CONNECTOR
STEREO JACK SLIM SOCKET
STEREO JACK SOCKET
730471
730469
730441
171342
171341
141010
140917
140352
140351
140323
110304
110119
110083
110061
110010
110003
100956
100919
100900
100045
100043
100039
090856
090182
080605
080171
080156
080103
POWER AMPLIFIER & SUPPLY BOARD (EU) (RP3 VERSION)
POWER AMPLIFIER & SUPPLY BOARD (US) (RP2 VERSION)
POWER AMPLIFIER & SUPPLY BOARD (EU) (RP2 VERSION)
*
LEFT AMPLIFIER BOARD SUPPORT
*
RIGHT AMPLIFIER BOARD SUPPORT
*
4 CONTACTS FEMALE VERTICAL CONNECTOR
*
4 CONTACTS MALE VERTICAL CONNECTOR
*
9 CONTACTS MALE VERTICAL CONNECTOR
*
6 CONTACTS MALE VERTICAL CONNECTOR
*
6 CONTACTS MALE CONNECTOR
*
2 WAYS 12V 5A RELAY
*
FUSE CLIP
*
FUSE T 2A 6,3x32 (U.S. VERSION)
*
FUSE T 3,15A 6,3x32 (U.S. VERSION)
*
FUSE T 2A 5x20 (EUROPE VERSION)
*
FUSE T 3,15A 5x20 (EUROPE VERSION)
*
STK 4181V POWER AMP HYBRID 50+50W (RP3 VERSION)
*
MC33078P LOW NOISE DUAL OP. AMP.
*
L4960 SWITC.REGUL.POS 2,5A PENTAWATT PROG
*
7812 REG.TENS. 12V 1A TO220
*
7912 REG.TENS.-12V 1A TO220
*
HYBRID STEREO POW.AMP.2X40W STK4151 (RP2 VERSION)
*
J-FET BSY 176 TRANSISTOR
*
BC173C NPN TO92 25V 0,1A TRANSISTOR
*
4A 200V KBL02 RECTIFIER BRIDGE
*
100V 6A RECTIFIER DIODE
*
1N4002 1A 100V RECTIFIER DIODE
*
1N4148 100mA 75V SIGNAL DIODE
761011
141011
141010
140889
140352
105006
105009
104014
104013
104012
104010
104000
103010
103009
103007
103004
103002
103001
101501
100920
100919
100075
090194
090183
080241
010727
010704
550509
140877
110282
CPU & SOUND GENERATOR BOARD (PCB#315080/1)
**
6 CONTACTS FEMALE CONNECTOR
**
4 CONTACTS FEMALE CONNECTOR
**
2x36 CONTACTS MALE RUBBER STRIP
**
9 CONTACTS MALE CONNECTOR
**
UP H8/3003 CPU SMD FC=16MHZ
**
DISP3 FC=50MHZ QFLAT 176PIN
**
CMOS 16MBIT MASK ROM LIBRARY
**
CMOS 32MBIT MASK ROM WAVE 2
**
CMOS 32MBIT MASK ROM WAVE 1
**
HM514280AJ-7 CMOS DRAM 256KX18SOJ
**
HM628128LPF SOP STATIC RAM 1MB 70NS
**
74HC04 HEX INVERTER IN SMD SOP14 P=3,81
**
74HC02 QUAD 2 INPUT NOR GATE SOP14 P=3,81
**
74HC74 DUAL FLIP-FLOP
**
AD1865R SDP PCM D/A COUNVERT.
**
74HC245 TRI-STATE OCTAL BUS TRANSCEIVER
**
74HC08 QUAD 2-INPUT AND GATE
**
74AC377 OCTAL D FLIP-FLOP
**
LM 336B 2,5 VOLTAGE REFERENCE GEN.
**
MC33078P LOW NOISE DUAL OP. AMP.
**
LM311N LINEAR VOLTAGE COMPARATOR
**
BC560C PNP LN TO92 40V 0,1A TRANSISTOR
**
BC550C NPN LN TO92 40V 0,1A TRANSISTOR
**
5,6V 1W 5% ZENER
**
45.1584MHZ QUARTZ
**
16 MHZ QUARTZ
*
27C4002 PROGRAM EPROM
*
JUMPER
*
3.6V 60MAH RECHARGEABLE BATTERY
820434
820430
820427
820463
820462
810295
730437
140874
070551
90192
90182
80748
80747
80103
141011
141010
FRONT PANEL (RP3 VERSION)
FRONT PANEL (B) (R) (US) (RP2 VERSION)
FRONT PANEL (B) (R) (EU) (RP2 VERSION)
FRONT PANEL (W) (US) (RP2 VERSION)
FRONT PANEL (W) (EU) (RP2 VERSION)
*
CONTROL PANEL BOARD (PCB#310539)
**
VOLUME BOARD (PCB#310507)
*** 36 CONTACTS MALE STRIP
*** 10KE LIN 30mm POTENTIOMETER
**
BC307 PNP TO92 40V 0,1A TRANSISTOR
**
BC173C NPN TO92 25V 0,1A TRANSISTOR
**
GREEN LED
**
RED LED
**
1N4148 100MA 75V SIGNAL DIODE
**
6 CONTACT FEMALE CONNECTOR
**
4 CONTACT FEMALE CONNECTOR
POWER AMPLIFIER & SUPPLY ASSEMBLY
TRANSFORMER ASSEMBLY
KEYBOARD INTERFACE BOARD
760995
141018
141011
140918
100738
100605
010726
*
*
*
*
*
*
720417
810552
340764
340211
141018
141010
080103
810551
340212
340211
141018
141010
080103
500065
151119
151120
151121
151122
151123
151124
151125
151126
151127
151128
160201
160202
150160
150161
150162
KEYBOARD ASSEMBLY (EU)
*
39 CONTACTS LEFT BOARD FOR DYNAMIC KEYBOARD (PCB#310531)
**
3 DUAL CONTACTS RUBBER STRIP
**
12 DUAL CONTACTS RUBBER STRIP
**
2 CONTACTS MALE CONNECTOR
**
4 CONTACTS FEMALE CONNECTOR
**
1N4148 100mA 75V SIGNAL DIODE
*
49 CONTACTS LEFT BOARD FOR DYNAMIC KEYBOARD (PCB#310530)
**
13 CONTACTS RUBBER STRIP
**
12 CONTACTS RUBBER STRIP
**
20 CONTACTS FEMALE CONNECTOR
**
4 CONTACTS FEMALE CONNECTOR
**
1N4148 100mA 75V SIGNAL DIODE
*
MECCANICAL KEYBOARD ASSEMBLY
**
C KEY
**
D KEY
**
E KEY
**
F KEY
**
G KEY
**
A KEY
**
B KEY
**
SHARP KEY
**
FIRST A KEY
**
LAST C KEY
**
NATURAL KEYS RETURN SPRING
**
SHARP KEYS RETURN SPRING
**
12 KEYS SNAP STRIP
**
13 KEYS SNAP STRIP
**
SNAP ACTING FOR KEY
KEYBOARD INTERFACE BOARD (PCB#315024)
20 CONTACTS FEMALE CONNECTOR
6 CONTACTS FEMALE CONNECTOR
2 CONTACTS MALE CONNECTOR
100740 VALIS CPU
74HC125 QUAD 3 STATE NON INVERTING BUFFER
19.2MHz CERAMIC RESONATOR WITH CAP.
KEYBOARD ASSEMBLY
PHONES ASSEMBLY
730459
652854
H8
VARIOUS
TRIPLE BRASSED PEDAL
SPEAKER GRID (RP 3 VERSION)
HEAD FIXING PLATE
CABINET FIXING PLATE
MUSIC STAND SUPPORT
HEAT SINK PROTECTION GRID
MUSIC STAND HINGE
KEYBOARD COVER FRONTAL BAR (B)
KEYBOARD COVER FRONTAL BAR (R) (W)
KEYBOARD PLASTIC LEFT SIDE
KEYBOARD PLASTIC LEFT SIDE
MUSIC STAND RUBBER FOOT
TOOTHED WEEL
WEEL SUPPORT
BRASSED HINGE (cm40x79)(RP3 VERSION)
BLACK POLE (RP3 VERSION)
8E TWEETER SPEAKER
GREEN ADHESIVE FELT
RED ADHESIVE FELT
TWEETER SUPPORT
LEFT COVER FIXING
RIGHT COVER FIXING
METAL FOOT (20mm)
*
PHONES ASSEMBLY
HEAD-PHONE SOCKET BOX
CPU & SOUND GENERATOR BOARD
140918
140520
140362
140361
10726
100738
100607
100605
730463
080745
660396
660395
660393
652867
652849
652240
652239
652238
652237
652236
340820
**
**
**
**
**
**
**
**
*
**
*
*
*
*
*
*
*
*
*
*
*
2 CONTACT MALE CONNECTOR
15V 20mA MICROSWITCH
9 CONTACT MALE CONNECTOR
6 CONTACT MALE CONNECTOR
19.2 MHz RESONATOR
100740 VALIS CPU (STARTS FROM 01/96)
74HC164 8BIT SIPO SHIFT REGISTER
74HC125 QUAD 3 STATE NON INVERTING BUFFER
DISPLAY BOARD
DISPLAY (2x16cm)
FRONT PANEL (RP3 VERSION)
FRONT PANEL (U.S. VERSION)(RP2 VERSION)
FRONT PANEL (EUROPE VERSION)(RP2 VERSION)
DISPLAY PROTECTION GLASS
PAINTED CONTROLS PANEL BOARD
5+5+2 KEYS RUBBER KEYPAD
2 KEYS << >> RUBBER KEYPAD
2 KEYS <+ -> RUBBER KEYPAD
2+4+8+8 KEYS RUBBER KEYPAD
4+1 KEYS RUBBER KEYPAD
SLIDER KNOB
AUX & MIDI I/O BOARD
730462
652856
141010
140918
140351
140323
140217
140216
140212
140207
100602
100035
090192
080103
*
*
*
*
*
*
*
*
*
*
*
*
*
AUX & MIDI I/O BOARD (PCB#310538)
BOX FOR OUTPUT SIGNALS
4 CONTACT FEMALE CONNECTOR
2 CONTACT MALE CONNECTOR
6 CONTACT MALE CONNECTOR
6 CONTACT MALE CONNECTOR
STEREO JACK SOCKET
6 PINS DIN SOCKET
5 PINS DIN SOCKET
STEREO JACK SOCKET (6.3mm)
74HC04 HEX INVERTER
6N138 PHOTOCOUPLER
BC307 PNP TO92 40V 0,1A TRANSISTOR
1N4148 100MA 75V SIGNAL DIODE
840901
840850
840799
840791
840782
840781
840776
840769
840768
840765
840762
840761
840758
840740
840739
840738
840168
9 Wires x 7,5cm FLAT CABLE (from POWER AMPLIFIER to CPU B.)
6 Wires x 5 cm FLAT CABLE (from I/O BOARD to PWR AMPLIFIER B.)
4 Wires x 7,5 cm FLAT CABLE (from POWER AMPLIFIER to CPU B.)
2 Wires x 40cm FLAT CABLE (from PWR AMPLIFIER to KEYBOARD B.)
6 Wires x 35cm FLAT CABLE (from KEYBOARD B. to CPU BOARD)
6 Wires x 30cm FLAT CABLE (from CPU B. to CONTROL PANEL B.)
2 Wires x 25cm FLAT CABLE (from PWR AMPLIFIER B. to CONTROL PANEL B.)
4 Wires x 40cm FLAT CABLE (from I/O B. to CONTROL PANEL B.)(RP2 VER.)
4 Wires x 10cm FLAT CABLE (from I/O BOARD to CPU BOARD)
2 Wires x 20cm FLAT CABLE (from PWR AMPLIFIER to I/O BOARD)
20 Wires x 25cm FLAT CABLE (from RIGHT KEYB. to CN2 of KEYB. INTERF. B.)
20 Wires x 12,5cm FLAT CABLE (from LEFT KEYB to CN4 of KEYB. INTERF. B.)
4 Wires x 45cm FLAT CABLE (from I/O B. to CONTROL PANEL B.)(RP3 VER.)
9 Wires x 10cm FLAT CABLE (DISPLAY MODULE)
6 Wires x 10cm FLAT CABLE (DISPLAY MODULE)
4 Wires x 5cm FLAT CABLE (from RIGHT KEYBOARD to LEFT KEYBOARD)
6 Wires x 180cm FLAT CABLE (from PWR AMPLIFIER to PHONES BOARD)
WIRING CONNECTIONS
CONTROL PANEL ASSEMBLY
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,
3) Module code,
4) Reference name,
5) Quantity number.