Roland HP 555G Operating and maintenance manual

HP-555G Nov. 1998
1
SERVICE NOTES
First Edition
Issued by RJA
Copyright © 1998 by ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION.
17059916 Printed in Japan AA00 (DP) 1
PANEL LAYOUT
FRONT VIEW
PANEL LAYOUT PARTS LIST
TABLE OF CONTENTS Page
GENERAL VIEW ...........................................................................................................1
PANEL LAYOUT ...........................................................................................................1
PANEL LAYOUT PARTS LIST ........................................................................................................... 1
SPECIFICATIONS ...........................................................................................................2
EXPLODED VIEW ...........................................................................................................3
PARTS LIST OF EXPLODED ...........................................................................................................4
PARTS LIST ...........................................................................................................4
CHECKING THE VERSION NUMBER ...........................................................................................................8
HOW TO UPDATE THE FLASH MEMORY ...........................................................................................................8
TEST MODE ...........................................................................................................9
STAND ASSEMBLY ...........................................................................................................15
STAND EXPLODED VIEW ...........................................................................................................17
STAND PARTS LIST ...........................................................................................................18
STAND EXPLODED VIEW ...........................................................................................................19
STAND PARTSLIST ...........................................................................................................20
REPLACING FDD ...........................................................................................................20
PEDAL UNIT EXPLODED VIEW ........................................................................................................... 21
CONNECT BOARD PARTS LIST ...........................................................................................................21
CONNECT BOARD CIRCUIT DIAGRAM ...........................................................................................................21
KEYBOARD DISASSEMBLY ...........................................................................................................22
KEYBOARD PARTS LIST ...........................................................................................................23
KEYBOARD PA-4A88-C2 CIRCUIT BOARD ...........................................................................................................23
KEYBOARD PA-4A88-C2 CIRCUIT DIAGRAM ...........................................................................................................24
BLOCK DIAGRAM ...........................................................................................................25
CIRCUIT BOARD (MAIN) ...........................................................................................................26
CIRCUIT DIAGRAM (MAIN) ...........................................................................................................27
CIRCUIT BOARD (PANEL L) ...........................................................................................................28
CIRCUIT BOARD (PANEL R) ...........................................................................................................29
CIRCUIT DIAGRAM (PANEL L / PANEL R) ...........................................................................................................30
CIRCUIT BOARD (FRONT JACK, ANALOG ,INLET) ........................................................................................................... 31
CIRCUIT DIAGRAM (FRONT JACK, ANALOG ,INLET) ........................................................................................................... 32
CIRCUIT BOARD (MIC) ...........................................................................................................33
CIRCUIT BOARD (LCD B) ...........................................................................................................33
CIRCUIT DIAGRAM (MIC) ...........................................................................................................34
CIRCUIT DIAGRAM (LCD B) ........................................................................................................... 34
GENERAL VIEW
No. Pno. Part Name
p00671556 SLIDE POT. EWANNKX10B14
q00346178 SLIDE POT. RS30111CA
w22485192 I S-KNOB S BLK/LCG
e22245194 POT DUST COVER M 1H
r32225353 I S-ESCT SX1V BLK L=30
t00900145 D S-KEYTOP SD1H BLK
y00900156 D S-KEYTOP SD2H BLK
u00900167 D S-KEYTOP SD3H BLK
i00900178 D S-KEYTOP SD4H BLK
o01346390 HP-535 ISOLATOR LED SPONGE
!0 01121689 LED SPR-325MVWT31
No. Pno. Part Name
!1 71013990 LCD UNIT
!2 01346201 HP-535 DISPLAY COVER
!3 01125901 D S-KEYTOP SX1H-A BLK
!4 00900189 D S-KEYTOP SX1H BLK
!5 22495340 D S-KEYTOP MX1H DWG
!6 22495312 D S-KEYTOP MD1H MCG
!7 01013023 D S-KEYTOP SD1H DRD
!8 00900190 D S-KEYTOP SX2H BLK
!9 01341956 FDD MF355F-3252MG
@0 01011923 ESCUTCHEON FDD
Balance KeyboardAccomp Tone
Piano E.Piano Harpsi Vibes Organ Strings Choir GS Tones
Chorus Key TouchSplitReverb
Function
Pianist
Lower
Min Max
Brilliance BrightMellow
Volume
Composer
Reset Stop Rec Bwd Fwd Play
Rhythm 1234
BeatSong Tempo
Exit
Metronome
Enter
Disk
Menu
Transpose
Value
Repeat
Count In
Clear Marker
AB
qp tew
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!9
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!4 u @0
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!4
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u!2!1!0o !4
!8!3 t !4 !5 !6 !7t
HP-555G
ROLAND PIANO DIGITAL

HP-555G Nov. 1998
2
HP-555G :ROLAND DIGITAL PIANO
<Keyboard>
●Keyboard
:88 keys Hammer action mechanism
●TouchSensitivity
:Preset:3 Levels, User Programs:60 levels
●Keyboard Mode
:Whole
:Split(adjustable split point)
:Dual
:Pianist
:Manual Drum/SFX
<Sound Source> Conforms to GM/GS
●Max.Polyphony
:64 voices
●Tones
:8 groups 378 variations (incl.8 drum sets,1 SFX set)
●Temperament
:7 types, selectable tonic
●Stretched Tuning
:2 types
●Master Tuning
:415.3 Hz ~ 466.2 Hz (0.1 Hz Step)
●Transpose
:Key Transpose (-6 ~ +5 Half-steps)
:Playback Transpose (-24 ~ +24 Half-steps)
●Effects
:Reverb(8 types / 10 levels), Chorus(8 types / 10 levels)
:Sympathetic Resonance(10 levels)
<Arranger>
●Music Styles
:22 Pianist Styles
●Control
:Start/Stop
:Intro/Ending
<Composer>
●Metronome
:Beat: 2/2,0/4,2/4,3/4,4/4,5/4,6/4,7/4,3/8,6/8,9/8,12/8
:Volume:10 levels
:Metronome Pattern:11 patterns
:Sounds:4 types
●Tracks
:5/16 tracks
●Song :1 song
●Note Storage
:Approx. 30,000 notes
●Tempo
:Quarter note = 20 to 250
●Resolution
:120 ticks per quarter note
●Recording Method
:Realtime(Replace, MIX, Auto Punch In, Manual Punch In, Loop, Tempo)
:Beat Map
●Edit :Copy / Quantize / Delete, Insert / Erase, Transpose / Part Exchange / Note
Edit / PC Edit
●Rhythm Pattern
:30 patterns
●Control
:Song Select / Reset / Stop / Play / Rec / Bwd / Fwd / AllSongPlay /
Track Select / PlaybackBalance / Marker Set, Repeat / Count In
SPECIFICATIONS
<Disk Drive / Disk Storage>
3.5 inch Micro Floppy Disk Drive
●Disk Format
:720K byte (2DD) / 1.44M byte (2HD)
●Song :99 Songs
●Note Storage
:Approx.120,000 notes (2DD)
:Approx.240,000 notes (2HD)
●Playable Software
:Standard MIDI File (0/1)
:Roland Original Format (i-format)
●Save :Standard MIDI File (Format 0)
:Roland OriginalFormat (i-format)
<Others>
●Rated Power Output
:30 W x 2
●Speakers
:20cm x 2 ,5cm x 2
●Display
:Beat Indicator
:Large custom LCD
:Bouncing Ball
●Language
:English / Japanese
●Lyric :Yes(Built-in Display, MIDI Out)
●Control
:Volume
:Microphone Volume
:Microphone Echo
:Brilliance
●Pedals
:Damper(half-pedal recognition)
:Soft(half-pedal recognition / Function assignable)
:Sostenuto(Function assignable)
●Other Functions
:Panel Lock
●Connectors
:Output jacks (Stereo/Mono)
:Input jacks (Stereo/Mono)
:Microphone jack(with echo)
:Headphone jack x2 (Stereo)
:MIDI IN connector x2 / MIDI OUT connector
:Computer connector
:Pedal Connector (8 pin DIN type)
l Power supply
:AC117V/AC230V/AC240V
●PowerConsumption
:90W(117V)/72W(230V)/72W(240V)
●Cabinet finish
:Satin Mahogany
●Dimensions(including Piano Stand)
:1,445 mm(W) x 528 mm(D) x 920 mm(H)
:56-15/16(W) x 20-3/4 (D) x 36-1/4(H) inches
●Weights(including piano Stand)
:69.8 kg / 153 lbs 15 oz
●Accessories
:Owner's manual English (71121034)
:Power cord 100V : (13499219)
117V : (13499220)
230V : (13499221)
240V : (13499222)
:Euro converter plug(230V only) (00905234)
:Pianist Panel Sheet English (40239445)

HP-555G Nov. 1998
3
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
EXPLODED VIEW
NOTE
The cushion under the UPPER BLIND His #01452501 UPPER BLIND CUSHION.

HP-555G Nov. 1998
4
PARTS LIST
CONSIDERATIONS ON PARTS ORDERING
When ordering any parts listed in the parts list, please specify the following items in the order sheet.
QTY PART NUMBER DESCRIPTION MODEL NUMBER
10 22575241 Sharp key C-20/50
15 2247017300 Knob (orange) DAC-15D
Failure to completely fill the above items with correct number and description will result in delayed or even
undelivered replacement.
Ex.
SAFETY PRECAUTION:
The parts marked have safety-
related characteristics.
Use only listed parts for
replacement.
MB : MAIN BOARD
PLB : PANEL L BOARD
PRB : PANEL R BOARD
IB : INLET BOARD
EB : EQ BOARD
PAB : PAB ANALOG BOARD
LAB : LCD A BOARD
LBB : LCD B BOARD
MIC : MIC BOARD
FJB : FRONT JACK BOARD
NOTE :The parts marked # are new (initial parts).
CASING
01346167 TOP BOARD
01346190 MUSIC REST
22325182 MR HINGE ASSY
01452490 MUSIC STOPPER
01346178 LID BOARD
71015512 LID BLIND ASSY
01346334 LID BLIND CUSHION
01346189 LID BLIND
01346234 UPPER BLIND
01346245 LOWER BLIND
01346223 REAR PANEL
01454590 FRONT PANEL
32225353 I S-ESCT SX1V BLK L=30
00341778 KEY FELT
01346201 DISPLAY COVER
00890990 ROLAND BADGE 12 GOLD
01455767 END BLOCK L
01455778 END BLOCK R
01346323 LID CUSHION
01452501 UPPER BLIND CUSHION
00121945 SPEAKER COVER
01011923 ESCUTCHEON FDD
71012267 BOTTOM BOARD
NOTE : BOTTOM BOARD ASSY includes the following parts.
00569156 CUSHION T1 x 25 x 1200
01011534 CUSHION
71012223 SIDE PANEL R ASSY
NOTE : SIDE PANEL R ASSY includes the following parts.
******** SIDE PANEL R
00900534 BRACKET
00900512 PANEL HOLDER R
00900523 SIDE PLATE R
71012234 SIDE PANEL L ASSY
NOTE : SIDE PANEL L ASSY includes the following parts.
******** SIDE PANEL L
00900534 BRACKET
00900490 PANEL HOLDER L
00900501 SIDE PLATE L
CHASSIS
00900390 LID SHAFT
01017134 LID RAIL STOPPER
00900356 LID ANGLE
22175664 LID GEAR
00900478 TOP BOARD HOLDER
00900289 CENTER HOLDER
00900490 PANEL HOLDER L
00900512 PANEL HOLDER R
PARTS LIST OF EXPLODED
No. Pno. Part Name
q01346167 TOP BOARD
w00900478 TOP BOARD HOLDER
e01346190 MUSIC REST
r22325182 MR HINGE ASSY
t01234656 HINGE CUSHION A
y01452490 MUSIC STOPPER
u00239367 SHOULDER SCREW 1165
i01346256 UPPER HOLDER
o01346234 UPPER BLIND
!0 71011878 PAB3 INLET 100/117V
!1 00900534 BRACKET
!2 01455767 END BLOCK L
!3 O1344467 SW HOLDER
!4 71011867 PAB3 FRONT JACK BRD
!5 13129139 AC PUSH SWITCH
!6 22495576 A S-BUTTON LX BLK
!7 71012234 SIDE PANEL L ASSY
!8 01346178 LID BOARD
!9 71015512 LID BLIND ASSY
@0 01017134 LID RAIL STOPPER
@11 01450212 PWR TRANS 01450212 UNIVERSAL
@2 71121767 PAB3 ANALOG PHANTOM
@3 71012690 MAIN BOARD ASSY
@4 01341956 FDD MF355F-3252MG
@5 01013089 DD HOLDER
@6 71012223 SIDE PANEL R ASSY
@7 01455778 END BLOCK R
@8 71011901 MIC BOARD ASSY
@9 01349778 FULL-RANGE PD-20103A3
#0 00904145 TW HOLDER
#1 00904090 TWEETER TW-5104A
#2 00900467 PWB HOLDER
#3 01346245 LOWER BLIND
#4 01454590 FRONT PANEL
#5 00900289 CENTER HOLDER
#6 00900567 PANEL HOLDER FP
No. Pno. Part Name
A40011123 BINDING TAPTITE B 4*8 BZC
B40011312 BINDING TAPTITE P 3*8 BZC
C40012178 TPA BIND 3 x 12 BZC
D40012145 TPA TRUSS 4 x 14 BZC
E40012490 PAN TAPTITE P 4 x 10 BZC
F40011323 PAN TAPTITE P 3 x 10 BZC
G40011056 BINDING TAPTITE B 3 x 6 ZC
H40128512 BINDING TAPTITE B WH 4 x 25 x 20 BZC W=11
I40011101 BINDING TAPTITE B 3 x 8 BZC

HP-555G Nov. 1998
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00900467 PWB HOLDER
22245194 POT DUST COVER M 1H
22145199 SHAFT STAY L
22145901 SHAFT STAY R
01234656 HINGE CUSHION A
01011390 SHAFT CUSHION
00900567 PANEL HOLDER FP
01346267 BLIND ANGLE
00904145 TW-HOLDER
01344467 SW HOLDER
01346256 UPPER HOLDER
01453267 DISPLAY HOLDER
00569156 CUSHION T1 x 25 x 1200
01011534 CUSHION
01013089 DD HOLDER
22265242 DD INSULATER
22165134 COLLAR
01454301 LED SPACER LH-36-5
12339355 SWITCH COVER 721128-18
01346390 ISOLATOR LED SPONGE
KNOB,BUTTON
22495312 D S-KEYTOP MD1H MCG
22495340 D S-KEYTOP MX1H DWG
00900145 D S-KEYTOP SD1H BLK
01013023 D S-KEYTOP SD1H DRD
00900156 D S-KEYTOP SD2H BLK
00900167 D S-KEYTOP SD3H BLK
00900178 D S-KEYTOP SD4H BLK
00900189 D S-KEYTOP SX1H BLK
01125901 D S-KEYTOP SX1H-A BLK
00900190 D S-KEYTOP SX2H BLK
22495576 A S-BUTTON LX BLK
22485192 I S-KNOB S BLK/LCG
SWITCH
13169752 EVQ 213 05R TACT SWITCH SW1,4-13,15-17 on PLB, SW1-18 on PRB
01340290 EVQ11A TACT SWITCH SW2,3,4,8 on LBB
13169626 SKHJAB 005A TACT SWITCH SW1,5,7 on LBB
13129139 SDDLB1-A-D-2 TV-5 5A/250V AC PUSH SWITCH
13159363 SSSF124-S09N-1 SLIDE SWITCH SW301 on FJB
JACK, SOCKET
13449283 HLJ7101-01-3010 LACK 6.5MM PHONE JK1-4 on PAB
23425740 INL-8 10A/125V 2P PO AC INLET JK401 on PAB3 IB
13429911 TCS7927-28-401 DIN JK304 on FJB
13449252 YKB21-5006 STEREO PHONE JK301,302 on FJB, JK1on MIC
00340223 YKF51-5031 DIN JK5 on PAB
13429672 YKF51-5047 DIN JK303 on FJB
13429676 YKF51-5048 DIN JK6 on PAB
LCD UNIT
71013990 LCD UNIT
FLOPPY DISK DRIVE
01341956 FDD MF355F-3252MG
SPEAKER
01349778 FULL-RANGE PD-20103A3
00904090 TWEETER TW-5104A
KEYBOARD ASSY
71017401 PA-4A88-C2 KEYBOARD ASSY
NOTE : For details, please refer to KEYBOARD PARTS LIST. (Page. 22)
PCB ASSY
E 71012690 MAIN BOARD ASSY
71012712 PANEL L BOARD ASSY
NOTE1: PANEL L BOARD ASSY includes the following parts.
01450034 WIRING 12X400-P2.0-51065-51015-F
01450045 WIRING 8X400-P2.0-51065-51015-F
01450023 WIRING 9X350-P2.0-51065-51015-F
71012723 PANEL R BOARD ASSY
NOTE1: PANEL R BOARD ASSY includes the following parts.
01452712 WIRING 10X100-P2.0-51065-51015-F
01452734 WIRING 14X350-P2.0-51065-51015-F
01452723 WIRING 15X400-P2.0-51065-51015-F
71011878 PAB3 INLET 100/117V
NOTE1: PAB3 INLET 100/117V includes the following parts.
23425740 INL-8 10A/125V 2P PO AC INLET
12559444 5x20 SB 4 4A/125V FUSE
00129367 INLET HOLDER
NOTE2: Replacemant IB PAB3 INLET ASSY is for 100/117V version exclusive use.
When using PAB3 INLET ASSY for 230/240V version, be sure to make the following modifications.
1. IB FOR 100/117V version differs from 230V version in FUSE system.
Replace fuse(F1 on IB) to specific one.(#12559550 FUSE 5x20 S506 1.6A T1.6AL250V for 230V version) See
TABLE A.
2. For safety standards, place fuse seal (#40013712 FUSE SEAL T1.6AL250V #407) at the proper place of the
IB. The location of fuse seal is over the following printing (see fig A) of the PWB. When necessary, please order
fuse seal separatery from IB.
TABLE A
100V/117V FUSE 5 x 20 SB 4 4A/125V
230V/240V FUSE 5 x 20 S506 1.6A T1.6AL250V
Fig.A
3.15A/125V
71121767 PAB3 ANALOG PHANTOM
NOTE : PAB3 ANALOG PHANTOM includes the following PWBs.
******** PAB3 EQ BOARD ASSY
******** PAB3 ANALOG BOARD
NOTE : PAB3 ANALOG BOARD includes the following parts.
22195975 TR HOLDER
22195973 POWER AMP HOLDER
01349990 WIRING W4 WIRING CN501 on PAB
01349978 7X250-P2.0-PH-SAN-F WIRING CN7 on PAB
01349912 12X130-P2.0-PH-SAN-F WIRING CN16 on PAB
01346423 HEATSINK
01346412 PAB HOLDER
12199584 GROUNDING TERMINAL M1698
71011901 MIC BOARD ASSY
NOTE : MIC BOARD ASSY includes the following parts.
22150756 JACK NUT 2
01344489 MIC HOLDER

HP-555G Nov. 1998
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71011867 PAB3 FRONT JACK BRD
NOTE : PAB3 FRONT JACK BOARD includes the following parts.
01344545 JACK HOLDER
71012167 LCD B BOARD ASSY
NOTE : LCD B BOARD ASSY includes the following parts.
01454301 LED SPACER LH-36-5
01453267 DISPLAY HOLDER
IC
01344278 HD6437034AD72F CPU IC3 on MB
00129278 SSC1080F0B CUSTOM IC IC1 on MB
00343823 M60205-0601FP CUSTOM IC IC8 on MB
00897078 RA01-005 (TC170C200AF-005) CUSTOM IC IC13 on MB
01341167 LH28F400SUT-NF60 FLASH MEMORY IC38 on MB
01453689 LH5S86NO DEMO MASK ROM IC15 on MB
01344245 LHMNOPYL WAVE MASK ROM IC18 on MB
01126612 TC514260DJS-60(YEL) DRAM IC22,23 on MB
15199904 IC M51953BL-600Y RESET IC IC9 on PLB, ’IC13 on PAB
15199923 SED1278F0A LCD DRIVER IC2 on LAB
15199780 HD63266F FDC IC2 on MB
00232567 PCM69AU-1/T2 DAC IC5 on MB
00780645 IC M5M34051P RS422 TRANSCEIVER TRANSCEIVER IC303 on FJB
00899756 NJU6417CFC1 LCD-DRIVER IC1 on LAB
01126778 24LC01BT-I/SN EEPROM IC32 on MB
01238012 DIGITAL ECHO IC M65850P ECHO IC M65850P IC2 on MIC
01340467 STK401-040 POWER AMP IC12 on PAB
15289105 UPC4570G2 BIPOLAR OP-AMP IC4,12 on MB
15189184 NE5532 BIPOLAR OP-AMP IC201,202 on EB
15189189 UPC4570HA BIPOLAR OP-AMP IC3,4 on MIC, IC6,7,8,9 on PAB
15189250 M5218AL BIPOLAR OP-AMP IC1,4 on PAB, ’IC5,7,8 on PLB
15199221 AN78M12F REGULATOR(+12V) IC5 on PAB
00236067 AN79M12F REGULATOR(-12V) IC3 on PAB
15289402 REGULATOR TA78L05F(TE12L) REGULATOR(+5V) IC6 on MB
15199231 UPC78L05J-T REGULATOR(+5V) IC1 on MIC
01344512 UPC24A05HF REGULATOR(+5V) IC2 on PAB
15169515 TC74HC00AP CMOS IC301 on FJB
15259884 TC7S08F (TE85L) CMOS IC33 on MB
15259885 TC7S32F(TE85L) CMOS IC11,26 on MB
00127490 TC7W08F(TE12L) CMOS IC19 on MB
00232645 TC7W14F(TE12L) CMOS IC35 on MB
15169550T0 TC74HC138AP CMOS IC3,4 on PLB
15169556T0 TC74HC574AP CMOS IC1 on PLB
01349590 TC7WU04FU(TE12L) CMOS IC7 on MB
15169304H0 HD74LS04P TTL IC11 on PAB
15229706S0 PC910X PHOTO COUPLER IC302 on FJB, IC10 on PAB
TRANSISTOR
00898201 RN2421(TE85L) DIGITAL TR Q1 on MB
15119132 2SA1015-GR(TPE2) BIPOLAR Q3,4 ,10,15 on PAB
15119615 2SB647CTZ BIPOLAR Q17 on PAB
15129151 2SC1815-GR(TPE2) BIPOLAR Q2,5,13,18,19 on PAB
15129152 2SC2878-A(TPE2) BIPOLAR Q1,8 on PAB
15129623 2SD667CTZ BIPOLAR Q16 on PAB
15139124 2SK363-GR(TPE2) J FET Q6,7,11,12 PAB
15129168 DTC124ESATP DIGITAL TR Q21,22 PAB
15119163 RN2227(TPE4) DIGITAL TR Q301 on FJB, Q1,2,3 on PLB, Q1,2,3,4 on PRB,
Q14,20,23 PAB
00456856 TD 62593AP TR ARRAY IC2 on PLB
DIODE
01121323 DA204U T106ARRAY DA1,2,3,4,8 on MB
15039176 D3SBA20 4A/200V BRIDGE D1,D15 on PAB
15019126 1SS133 T-77 SWITCHING D302 on FJB , D1-4 on MIC, D1-2,D4-8 LBB, D1,
4-13,15-17,20,21 on PLB, ’D1-18 on PRB,
D5-8,12,18,22-24 on PAB
15019685 MTZJ T-77 27C ZENER D303,304,305,306,307,308 on FJB
15019444 MTZJ T-77 9.1B ZENER D17,20,21 on PAB
15039159T0 S5688G(TPA3) RECTIFIER D3,4,9,10,11,13,14,19 on PAB
OPTICAL DEVICE
01346489 LED LNJ308G8LRA LED LED1-72 on LAB
01345445 L-1384AD/1ID LED(ANGLE) D301 on FJB
15039245 LED SEL6210S TP5 LED on LBB, LED1,4-13,15,17 on PLB, LED1-5,
7-10,12-14 on PRB
01121689 LED SPR-325MVWT31 LED LED2 on LBB, LED17 on PLB
RESISTOR
00120778 MCR50 JZH J 8R2 METAL FILM R7 on LAB
01014278 ERDS1VJ331T CARBON R1,2 on PAB
15399965 RCE9A103JAG7A ARRAY RA1,4,6-12,28 on MB
00126112 EXBV8V101JV ARRAY RA2,3,5,19,30-32,38-40 on MB
15409113 EXBV8V103JV ARRAY RA13-18,20-23,34,35,41 on MB
01013578 EXBV8V470JV ARRAY RA24,25,26,27 on MB
01011845 EXBV8VR000V ARRAY RA29 on MB
POTENTIOMETER
01348189 12M/M EVJ05HEB1B14 with NUT ROTARY VR1,2 on MIC
00346178 30M/M RS30111CA SLIDE VR3 on PLB
00671556 30M/M. EWANNKX10B14(10KBX2) SLIDE VR1,2 on PLB
CAPACITOR
01453278 DE1307E 472M-KH CERAMIC C401 on IB
15369152 ECEV1CA100SR CHEMICAL C135,136,162 on MB
15369154 ECEV1CA330WR CHEMICAL C12,13,29,30,90-93,96,99,100,102,138,190,191,
194-196,198 on MB
15359780 ECHU1H152JB5 POLYEST C176,C177 on MB
01015889 ECHU1H471JB5 POLYEST C178,C179,C192,C193 on MB
15359774 ECHU1H681JB5 POLYEST C174,175 on MB
15369109 ECEV0JA101SP CHEMICAL C85 on MB
01340389 ECOS1VP682BB BLOCK C39,51 on PAB
01452189 ECKDBE472ZF CERAMIC C5,44 on PAB
13639144M0 ECA1CM682 CHEMICAL C22 on PAB
15369154 ECEV1CA330WR CHEMICAL C8 on LAB
FILTER
01455623 N2012Z102T01 FERRITE-BEAD L1-21 on MB
12449380 EXC ELDR25V FERRITE-BEAD L301-311 on FJB
01346389 RUBBER CONNECTOR
CRYSTAL
00894034 MA-406 16.000MHZ TE24 CRYSTAL X1 on MB
00894023 MA-406 20.000MHZ TE24 CRYSTAL X3 on MB
00901912 MA-406 24.576MHZ TE24 CRYSTAL X2 on MB
RELAY
00899245 G5Z-2A DC12V/5A RELAY RL1 on PAB
FUSE,FUSE HOLDER
12559550 5X20 S506 1.6A T1.6AL250V FUSE F1 on PAB3 IB(230V/240V ASSY)
12559444 5X20 SB 4 4A/125V FUSE F1 on PAB3 IB(100V/117V ASSY), F5 on PAB
12559445 5X20 SB 5 5A/125V FUSE F3,4 on PAB
12189823 CNT47-0003A HOLDER F1 on PAB3 IB, F3,4,5 on PAB
CONNECTOR
01344578 10JQ-ST CONNECTOR CN201 on EB
13369927 53253-0510 CONNECTOR CN2 on PLB, ’CN8 on MB
13369928 53253-0610 CONNECTOR CN1 on MIC, CN11 on PAB
13369930 53253-0810 CONNECTOR CN13 on PAB
13369931 53253-0910 CONNECTOR CN7 on MB
13369932 53253-1010 CONNECTOR CN1on LBB
13369934 53253-1210 CONNECTOR CN6 on MB
13369936 53253-1410 CONNECTOR CN6 on PLB
13369937 53253-1510 CONNECTOR CN5 on PLB
01451556 53313-1415 CONNECTOR CN5 on MB, CN1 on LAB
01344567 B10B-XH-A CONNECTOR CN15 on PAB

HP-555G Nov. 1998
7
13369564 B12B-PH-K-S JST CONNECTOR CN11 on MB
13369898 B2P3-VH 7A/250V CONNECTOR CN402 on IB
13369585 B3P5-VH 7A/250V CONNECTOR CN401 on IB
13369567 B4B-PH-K-S JST CONNECTOR CN4 on PAB
13369981 B5P-VH 7A/250V CONNECTOR CN2 on PAB
13369503 B7B-PH-K-S JST CONNECTOR CN10 on MB
13369504 B8B-PH-K-S JST CONNECTOR CN301 on FJB, CN1 on PAB
13369890 B8P-VH 7A/250V CONNECTOR CN9 on PAB
13369516 B9B-PH-K-S JST CONNECTOR CN302 on FJB, CN9 on MB
13379151 FFC IL-FPC-14ST-N CONNECTOR CN4 on MB
13379152 FFC IL-FPC-16ST-N CONNECTOR CN3 on MB
12199584 M1698 GROUND TERMINAL TER3,4 on PAB
01347923 MEP1866-A GROUND TERMINAL TER1,2 on PAB
13369877 PS-34PE-D4T1-B1-K CONNECTOR CN1 on MB
WIRING
01454567 WIRING 5X600-P2.0-51065-51065-F
01450089 WIRING W3
01450090 WIRING W2
01452756 WIRING W1
01454589 WIRING FDD 34P FLAT
01454578 WIRING FDD POWER
01452745 WIRING 14X250-P2.0-51089-51089-F
01450056 WIRING 6X1050-P2.0-51065-51065-F
01450078 WIRING 8X800-P2.0-PH-PH-F
01450067 WIRING 9X1050-P2.0-PH-PH-F-S
01346090 LCD HOUSING
TRANSFORMER
01450212 POWER TRANSFORMER 01450212 UNIVERSAL
SCREW
22285342 CONNECTING PIN
40011056 BINDING TAPTITE B 3 x 6 ZC
40011101 BINDING TAPTITE B 3 x 8 BZC
40011112 BINDING TAPTITE B 3 x 10 BZC
40011123 BINDING TAPTITE B 4 x 8 BZC
40011256 PAN TAPTITE P 2 x 6 ZC
40011312 PAN TAPTITE P 3 x 8 BZC
40011323 PAN TAPTITE P 3 x 10 BZC
40011490 PAN MACHINE SCREW W/SW M3 x 6 BZC
40011712 WOOD ANCHOR NUT B M4 x 11.5 ZC
40011723 WOOD ANCHOR NUT B M5 x 12 ZC
40011956 PLAIN WASHER 3 x 10 x 0.8 ZC
40012034 TRUSS MACHINE SCREW M4 x 18 BZC
40012090 TRUSS TAPPING A 4 x 12 ZC
40012145 TRUSS TAPPING A 4 x 14 BZC
40012178 BINDING TAPPING A 3 x 12 BZC
40012490 PAN TAPTITE P 4 x 10 BZC
40012634 WOOD ANCHOR NUT B M8 x 13.5 ZC
40012867 PAN MACHINE SCREW W/SW+PW M3 x 8 ZC
40012890 PAN MACHINE SCREW W/SW+PW M3 x 16 ZC
40012901 PAN MACHINE SCREW W/SW+PW M3 x 20 ZC
40012923 PAN MACHINE SCREW W/SW+PW M4 x 25 ZC
40013056 PAN MACHINE SCREW W/SW+PW M3 x 6 ZC
40121923 PAN MACHINE SCREW W/SW+PW M4 x 18 ZC
40128512 BINDING TAPTITE B WH 4 x 25 x 20 BZC W=11
40231090 PAN TAPPING A 6 x 12 ZC
40239378 BINDING TAPPING A 3.5 x 6 ZC
40239401 BINDING TAPPING A 3.5 x 8 BZC
00239367 SHOULDER SCREW 1165
00568756PA-4A STOP SCREW
PACKING
01560212 PACKING CASE
01560189 PAD CARTON LOWER
01560190 PAD CARTON UPPER
01346345 PAD L
01346356 PAD R
ACCESSORIES
71121034 OWNER’S MANUAL ENGLISH
71012667 OWNER’S MANUAL JAPANESE
13499219 AC CORD SET 100V DC-382-J01 VFF2P
13499220 AC CORD SET 120V UC-713-J01 SJT2P18AWG60
13499221 AC CORD SET 230V EC-511-E07 H03VVH2-F 2P
13499222 AC CORD SET 240VA SC-078-J02 ES206-75HMA
00905234 EURO CONVERTER PLUG ECP01-5A 230V VERSION ONLY
40239434 PIANIST TEMPLATE JAPANESE
40239445 PIANIST TEMPLATE ENGLISH
17048910 FLOPPY DISK DEMO JAPANESE 100V VERSION ONLY
40340056 LEAFLET DEMO SONG LIST 100V VERSION ONLY

HP-555G Nov. 1998
8
HOW TO UPDATE THE FLASH
MEMORY
HP-555G uses Flash Memory for the main program registration,
you can make the software update by floppy disks via internal FDD.
Please refer to the following "Update Procedure."
Required Item
HP-555G Ver. Up Disk (P/No.17048901)
Update Procedure
1: Insert the MT-300S Ver. Up Disk into the disk drive.
2: Turn the power ON while holding [Tempo] and
[Metronome] buttons.
3: All of the LEDs on the panel blink as follows.
Normal : Blinks slowly
Error : Repeat quick double brink
4: When it is in normal condition, LCD may show *Flash
ROM Update* for a moment and loading the program
will be started. During the update, LCD will display
****** ##/08.*
The ******* and *##* part shows the working condition.
Refer to the following.
***** : Reading (now loading the program)
: Writing (now writing the program)
## : counts from 01 to 08
5: When the update procedure is normal ended, *finished*
will be displayed to the LCD. Turn ON the power again
and confirm the System Version number and execute
Test Mode.
If *finished* has not been displayed to the LCD display,
turn OFF and ON the power again and retry the update
procedure from the first. If the result is the same, contact
Roland Service Center.
CHECKING THE VERSION
NUMBER
Press the [Function] button to enter Function mode.
Then while holding down the [PLAY] and [TRACK[4]] buttons,
press the [Function] button.
The system program version number will be displayed.
After this checking, HP-555G will enter TEST MODE.
If you wish to exit TEST MODE, turn off the power.

HP-555G Nov. 1998
9
TEST MODE
Note!: When you enter item 9), the user setting data will be set to the factory settings.
Required Items
• MIDI Cable (1.5m or longer Part No.23485229 1.5m)
• Computer Test Cable for Sound Canbas SC-88 (P/No. 17049906)
• Michrophone
• Osciloscope
1. Entering test mode
After turning on the power, press the [Function] button two times while holding down the [Track 4] and [Play] button to enter the Test
Mode.
The following display will appear, and you will enter test mode.
V*** : version number
B*** : build number (This is for factory use only)
*** : destination region (DOM: 100V specs, EXP: 117/230/240V specs)
C*** : CPU build number (This is for factory use only)
* (Build number) and (CPU build number) are generally not displayed in the LCD, but some units of the initial production may display
these. As this numbers are displayed for factory purpose, please ignore when you execute Test mode during the repair.
Press the [Function] button to move to item 2.
* To advance to the next item you will generally use the [Function] button.
For some items, you will advance automatically, so refer to the explanation of each item.
* If you wish to exit test mode during this procedure, turn off the power.
2. Device check and display of ROM version, etc.
During the device check, the following display will appear.

HP-555G Nov. 1998
10
If a problem is found, the following error display will appear.
DEVICE (Error content)
Err PROGRAM ROM Program (Flush or mask ROM) fault
Err DRAM Work DRAM read/write fault
Err Wave ROM Wave ROM data content fault
Err RAM for DSP DSP RAM read/write fault
Err EEPROM EEPROM read/write fault
Err DATA ROM DATA ROM data content fault
Err DATA TYPE DATA ROM type check fault
Err FDC EX PORT FDC EXISENCE PORT fault
If an error display appears, press the [Function] button to advance the test mode.
If the test results were OK, the following display will appear.
Press the [Function] button to advance to item 3.
3. Button and LED check
All LEDs will light, and the following display will appear.
Note!: If you wish to check item 3, do not press the [Function] button first.
If you press the [Function] button first, you will advance to item 4.
Once you begin the checking process for this test item, it is not possible to advance to the next item before testing all buttons.
Press the following buttons, and confirm that a sound is heard and that the button LED goes dark.
[piano] [E.piano] [Harpsi] [Vibes] [Organ] [Strings] [Choir] [GS Tones] [Reverb] [Chorus] [Pianist] [Split]
[Transpose] [Composer Rhythm] [Composer 1] [Composer 2] [composer 3] [composer 4] [Play] [Rec] [MEMU]
[Count in] [Marker A] [Marker B] [repeat] [Function]
Press the following button twice, and confirm that a sound is heard and that the button LED changes from orange to green to dark.
[Key Touch]

HP-555G Nov. 1998
11
Press the following button twice, and confirm that a sound is heard and that the button LED on the left side of the display changes from
orange to green to dark, and that the button LED goes dark the second time.
[Metronome]
* Press the following buttons, and confirm that a sound is heard and that the characters shown in the LCD ("S" for [Song], "B" for [Beat],
"T" for [Tempo], "+" for [Value+], "-" for [Value-], "D" for [Disk], "R" for [Reset], "S" for [Stop], "B" for [Bwd], "F" for [Fwd] and "C"
for [Clear]) disappear.
[Song] [Beat] [Tempo] [Value+] [Value-] [Disk] [Reset] [Stop] [Bwd] [Fwd] [Clear]
If all buttons are normal, you will automatically advance to item 4.
4. Checking the effect sound and speaker panning etc.
The following display will appear.
Press the following buttons to check the effect sound and the panning etc.
BUTTON PANNING TONE EFFECT INDICATION of LCD
[piano] CENTER PIANO none DRY
[E. piano] CENTER PIANO CHORUS CHORUS
[Harpsi] CENTER PIANO REVERB REVERB
[Vibes] CENTER PIANO RESONANCE RESONANCE
[Organ] LEFT 440Hz sine wave none PAN L
[Strings] RIGHT 440Hz square wave none PAN R
[Choir] CENTER 440Hz sine wave none PAN LR
If you press the [Function] button you will advance to item 5.
5. Pedal and Balance slider operation check
The following display will appear.
At this time, you can move to item 6 by pressing [Function].
Slowly depress each of the three pedals ([Soft Pedal], [Sostenuto], [Damper]) one at a time, and confirm that the value in the LCD changes
from 0--9, and that the metronome sound is heard when the display reaches "9." Then move the Balance Slider from left end to the right end,
and confirm that the sound is heard and that the pitch changes related to the slider. The value in the LCD changes from 0--9, and that the
metronome sound is heard when move the slider from left end to the right end.

HP-555G Nov. 1998
12
INDICATION of LCD Names of the pedals
SS*(value) Soft Pedal
SF*(value) Sostenute
DP*(value) Damper
BL (value) Balance Slider
If no problem is found, you will automatically advance to the following item.
6. Serial interface check
When you want to go to the next test item during this check, press [Function] button.
MIDI operation check
Set the computer switch to the MIDI position. "s" symbol will be displayed to the middle of "FM" and "RM" in
the LCD.
Using a MIDI cable, connect the MIDI IN located under the keyboard to the MIDI OUT located at the back of the piano. If the test result is
OK, the LCD will indicate "OK" as follows.
Then, using a MIDI cable, connect between the MIDI IN and the MIDI OUT located at the back of the piano.
If the test result is OK, the LCD will indicate "OK" as follows.
*Computer interface operation check
(1) Mac: Settings for connection to a Macintosh.
Set the computer switch to Mac. An underline will be displayed below Mc in the LCD.
Connect a computer test cable (part no. 17049906) to the Computer connector under the keyboard.
Check both ends of the white conductor (signal) and black conductor (ground) of the test cable by oscilloscope, and confirm that a 1
MHz square wave is present.
Now turn on the switch of the computer test cable. If the result is normal, the OK will appear in the LCD as follows.
Turn off the switch of the test cable.
If the result is OK, the following display will appear in the LCD.

HP-555G Nov. 1998
13
(2) PC1: Settings for connection to a PC-9800.
Set the computer switch to PC1. An underline will be displayed below P1 in the LCD.
Connect a computer test cable (part no. 17049906) to the Computer connector under the keyboard, and turn on the switch of the
computer test cable. If the result is OK, the following display will appear.
Turn off the switch of the test cable.
If the result is OK, the following display will appear in the LCD.
(3)PC2: Settings for connection to an IBM-compatible computer
Set the computer switch to PC2. An underline will be displayed below P2 in the LCD.
Connect a computer test cable (part no. 17049906) to the Computer connector under the keyboard, and turn on the switch of the
computer test cable. If the result is OK, the following display will appear.
Turn off the switch of the test cable.
If the result is OK, the following display will appear in the LCD.
Press the [Function] button to proceed to item 7.
7. Floppy Disk Drive check
When floppy disk has not inserted, "NO DISK" will appear in the LCD.
Insert formatted 2DD disk to the drive.
When there is no problem, "2DD: OK" will appear in the LCD.
(If there is a problem, "2DD: NG" will appear in the LCD.)
Then insert 1.44Mb formatted 2HD disk to the drive.
When there is no problem, "2HD: OK" will appear in the LCD.
(If there is a problem, "2HD: NG" will appear in the LCD.)
Press the [Function] button to proceed to item 8.

HP-555G Nov. 1998
14
8. LCD check
When you enter this mode, the entire LCD will go dark.
Next, press the [Function] button and confirm that the LCD lights entirely as following.
Press the [Function] button again. Confirm the following display will appear in the LCD.
Press the [Function] button to proceed to item 9.
9. Destination region setting
The following display will appear.
Now press the [Beat] button to select DOM (100V) specifications, or press the [Tempo] button to select EXP (117/230/240V)
specifications.
* When you enter this setting, the HP-555G will automatically return to the factory settings.
Press [Function] button to proceed to the next test.
10. Exiting test mode
To exit test mode, turn off the power.
(If press the [Function] button here, you can jump to the first item of the Test Mode.)
11. Mic check
After exiting test mode, connect a mic to the Mic In jack located under the keyboard, and rotate the knobs (Mic Volume and Mic Echo) to
verify that each function operates correctly.

15
HP-555G Nov. 1998
STAND ASSEMBLY (KS-505)
1. Part Check
Before you begin assembling the stand, check that all the parts
were supplied. You will also need to have a Phillips
screwdriver.
A : Side Board ( left )
B : Side Board ( right )
C : Pedal Board
D : Rear Board
Screw a ( 4 x 20 mm ) x 8
Screw b ( 4 x 25 mm ) x 4
Screw c ( M5 x 20 mm ) x 2
CAUTION
• Make sure that another person is on hand to help with the
assembly and setup.
• When assembling the piano stand, do not apply excessive
pressure on any part. To do so can cause metal parts to get
bent out of shape, and may damage wooden parts.
• Be very careful, when you assemble and move the piano,
to make sure that you do not drop it on your hands or feet.
• To move the piano, lift it carefully—all the while keeping
it level.
• Fasten each screw tightly, then place the stand in a stable
and horizontal place.
• Do not allow the pedal cord or power cable to get twisted
or pinched while assembling the stand.
• At first, assemble the entire stand in a temporary fashion,
without really tightening the screws. Then, after checking
the overall alignment of the boards (and gently shifting
certain parts where necessary), go around and tightly
fasten each of the screws.
2. Fixing the Pedal Board and Side Boards
¡Position the Pedal Board so it rests on top of the metal
fitting at the bottom of the Side Board q.
¡Move the Pedal Board so it is in close contact with the
Side Board w, then while shifting it forward or backward
as necessary e, push it down until it has been grasped
firmly by the metal fitting r.
¡Push the Pedal Board in the direction of the arrow t,
then fasten it with screws “a” y.
¡In the same manner, fasten the other side with screws “a”
u.
C
D
A
B
Screw a
Screw a
Pedal Cord

16
HP-555G Nov. 1998
3. Fitting the Rear Board
¡Position the Rear Board so the side on which the wood-
grain is visible faces the same direction as the three
pedals, as shown in the illustration.
¡Using screws “a,” fasten the Rear Board to the Side
Boards at right and left (two screws each at right and left).
Then, fasten the Rear Board to the Pedal Board with
screws “b” (four places). Observe the direction shown by
the arrow in the illustration.
4. Installing the Piano on the Stand
¡Align the joint screws (one each at right and left) on the
bottom of the piano with the openings in the metal fittings
on the side board, then slide the piano forward until the
screws are held in place.
¡Fasten the piano to the stand with the screw “c” (M5 X 20
mm) (one each for the right and left).
* When handling the piano, firmly grasp it at the front and
back. Be careful, so you do not get your fingers pinched.
Wood grain side
Screw a
Screw b
5. Connecting the Pedal and Power Cords
¡Connect the pedal cord to the Pedal jack on the rear of the
piano.
¡Connect the power cord to the power inlet on the piano,
then plug the other end into a wall socket.
6. Adjusting the Adjuster
¡Lower the adjuster at the bottom of the pedal board (by
rotating it), so that the pedal board touches the floor. If
you have the piano placed on a carpet, lower it until it
pushes into the carpet.
When Moving the Piano
Disconnect the power cord and raise the stand’s adjuster.
Then lift the piano while keeping it level, and move it
with care, so that you do not drop it on your feet, or get
your hands caught.

17
HP-555G Nov. 1998
STAND EXPLODED VIEW
71019545 SIDE BOARD L ASSY 117/230/240V ONLY
(71019556 SIDE BOARD R ASSY)
No. Pno. Part Name
q******** SIDE BOARD L (******** SIDE BOARD R)
w01451878 SIDE HOLDER L (01451889 SIDE HOLDER R)
e01451934 REAR HOLDER L (01451945 REAR HOLDER R)
r22205517 JOINT HOLDER L (22205518 JOINT HOLDER R)
t22125675 ANGLE
y40010678 4*20mm TRUSS HEAD TAPPING A1 Fe BZC
u01452834 TOE BLOCK
i40010701 4*35mm TRUSS HEAD TAPPING A1 Fe BZC
STAND EXPLODED VIEW
71120045 PEDAL BOARD ASSY 117/230/240V ONLY
71019823 PEDAL UNIT
No. Pno. Part Name
q71120045 PEDAL BOARD ASSY
w22245308 PEDAL BOARD FELT
e71018623 PEDAL CENTER ASSY
r40012923 4 ×25mm DOUBLE SEMS Fe ZC
t40012123 4 ×25mm TRUSS HEAD TAPPING A1 Fe BZC
y40011556 3.1 ×10mm ROUND WOOD ZC
u40016545 SKM-1 TIE HOLDER
i40016512 INSULOCK TIE T-18S
o40011323 3 ×10mm BINDING HEAD P TITE Fe BZC
!0 40016578 VINYL TIE 150mm
!1 22285396 ADJUST BOLT
!2 01451878 SIDE HOLDER L
!3 01451889 SIDE HOLDER R
!4 40010634 4 ×16mm TRUSS HEAD TAPPING A1 Fe BZC
The items bracketed by( )are parts for SIDE PANEL ASSY R

18
HP-555G Nov. 1998
STAND PARTS LIST
Parts No. Description
01451867 REAR BOARD
# 71019556 SIDE BOARD R ASSY
NOTE : SIDE BOARD R ASSY includes the following parts.
******** SIDE BOARD R
# 01452834 TOE BLOCK
01451945 REAR HOLDER R
01451889 SIDE HOLDER R
22125675 ANGLE
22205518 JOINT HOLDER R
40010678 4 × 20mm TRUSS HEAD TAPPING A1 Fe BZC
40010701 4 × 35mm TRUSS HEAD TAPPING A1 Fe BZC
# 71019545 SIDE BOARD L ASSY
NOTE : SIDE BOARD L ASSY includes the following parts.
******** SIDE BOARD L
# 01452834 TOE BLOCK
01451934 REAR HOLDER L
01451878 SIDE HOLDER L
22125675 ANGLE
22205517 JOINT HOLDER L
40010678 4 × 20mm TRUSS HEAD TAPPING A1 Fe BZC
40010701 4 × 35mm TRUSS HEAD TAPPING A1 Fe BZC
71120045 PEDAL BOARD ASSY
NOTE : PEDAL BOARD ASSY includes the following parts.
22245308 PEDAL BOARD FELT
40011701 WOOD ANCHOR NUT M4 x 9.5 ZC
71019823 PEDAL UNIT
NOTE : PEDAL UNIT includes the following parts.
71018601 CONNECT CODE
NOTE : CONNECT CORD includes the following parts.
15229728 PHOTO INTERUPTER GP2S24B
15119112 TRANSISTOR 2SA1015-Y
13299199 TRIMMER EVND8AA03B13
00907045 PEDAL CABLE
71018623 PEDAL CENTER ASSY
NOTE : PEDAL CENTER ASSY includes the following
parts.
******** PEDAL CENTER
01451667 FELT
22285396 ADJUST BOLT
00907045 PEDAL CABLE
00904190 PEDAL CHASSIS
00908023 FELT L
00904223 COILED SPRING
00908034 6 x 35mm JOINT BOLT
00677978 6 x 12mm JOINT NUT
40011278 3 x 8mm BINDING HEAD P-TITE FeBC
40011334 3 x 12mm BINDING HEAD P-TIGHT Fe BZC
71019923 KS-505/KS-505D SCREW SET
NOTE : SCREW SET includes the following parts.
40010589 5 x 20mm TRASS HEAD
FeBZC ×2
40010689 4 x 25mm TRUSS HEAD TAPPING
A1 Fe BZC ×4
40239278 4 x 20mm PAN WASHER HEAD
TAPTITE C BZC × 8
40010634 4 ×16mm TRUSS HEAD TAPPING A1 Fe ZC
40012123 4 ×25mm TRUSS HEAD TAPPING A1 Fe ZC
40011323 3 ×10mm BINDING HEAD P TITE Fe BZC
40012923 4 ×25mm DOUBLE SEMS Fe ZC
40011556 3.1 ×10mm ROUND WOOD ZC
40016512 INSULOCK TIE 80M/M T-18S
40016578 VINYL TIE 150M/
40016545 SKM-1 TIE HOLDER
# 40239212 LEAFLET
# 01452801 PACKING CASE

19
HP-555G Nov. 1998
STAND EXPLODED VIEW
71018878 SIDE PANEL L ASSY 100V ONLY
(71018889 SIDE PANEL R ASSY)
No. Pno. Part Name
q******** SIDE BOARD L (******** SIDE BOARD R)
w01451878 SIDE HOLDER L (01451889 SIDE HOLDER R)
e01451934 REAR HOLDER L (01451945 REAR HOLDER R)
r22205517 JOINT HOLDER L (22205518 JOINT HOLDER R)
t22125675 ANGLE
y40010678 4 ×20mm TRUSS HEAD TAPPING A1 Fe BZC
u01451901 TOE BLOCK
i40010701 4 ×35mm TRUSS HEAD TAPPING A1 Fe BZC
o00900045 JOINT HOLDER
!0 40019601 4 ×35mm FLAT HEAD TAPPING A1 Fe BZC
!1 01451912 LEG
The items bracketed by( )are parts for SIDE PANEL ASSY R
STAND EXPLODED VIEW
71120045 PEDAL BOARD ASSY 100V ONLY
71019823 PEDAL UNIT
No. Pno. Part Name
q71120045 PEDAL BOARD ASSY
w22245308 PEDAL BOARD FELT
e71018623 PEDAL CENTER ASSY
r40012923 4 ×25mm DOUBLE SEMS Fe ZC
t40012123 4 ×25mm TRUSS HEAD TAPPING A1 Fe BZC
y40011556 3.1 ×10mm ROUND WOOD ZC
u40016545 SKM-1 TIE HOLDER
i40016512 INSULOCK TIE T-18S
o40011323 3 ×10mm BINDING HEAD P TITE Fe BZC
!0 40016578 VINYL TIE 150mm
!1 22285396 ADJUST BOLT
!2 01451878 SIDE HOLDER L
!3 01451889 SIDE HOLDER R
!4 40010634 4 ×16mm TRUSS HEAD TAPPING A1 Fe BZC

20
HP-555G Nov. 1998
STAND PARTS LIST
Parts No. Description
# 01451867 REAR BOARD
71018889 SIDE BOARD R ASSY
NOTE : SIDE BOARD R ASSY includes the following parts.
******** SIDE BOARD R
# 01451901 TOE BLOCK
# 01451945 REAR HOLDER R
# 01451889 SIDE HOLDER R
01451912 LEG
22125675 ANGLE
00900045 JOINT HOLDER
22205518 JOINT HOLDER R
40010678 4 × 20mm TRUSS HEAD TAPPING A1 Fe BZC
40010701 4 × 35mm TRUSS HEAD TAPPING A1 Fe BZC
40019601 4 × 35mm FLAT HEAD TAPPING A1 Fe BZC
71018878 SIDE BOARD L ASSY
NOTE : SIDE BOARD L ASSY includes the following parts.
******** SIDE BOARD L
01451901 TOE BLOCK
# 01451934 REAR HOLDER L
# 01451878 SIDE HOLDER L
# 01451912 LEG
22125675 ANGLE
00900045 JOINT HOLDER
22205517 JOINT HOLDER L
40010678 4 × 20mm TRUSS HEAD TAPPING A1 Fe BZC
40010701 4 × 35mm TRUSS HEAD TAPPING A1 Fe BZC
40019601 4 × 35mm FLAT HEAD TAPPING A1 Fe BZC
# 71120045 PEDAL BOARD ASSY
NOTE : PEDAL BOARD ASSY includes the following parts.
22245308 PEDAL BOARD FELT
40011701 WOOD ANCHOR NUT M4*9.5 ZC
71019823 PEDAL UNIT
NOTE : PEDAL UNIT includes the following parts.
71018601 CONNECT CODE
NOTE : CONNECT CORD includes the following parts.
15229728 PHOTO INTERUPTER GP2S24B
15119112 TRANSISTOR 2SA1015-Y
13299199 TRIMMER EVND8AA03B13
00907045 PEDAL CABLE
71018623 PEDAL CENTER ASSY
NOTE : PEDAL CENTER ASSY includes the following
parts.
******** PEDAL CENTER
01451667 FELT
22285396 ADJUST BOLT
00907045 PEDAL CABLE
00904190 PEDAL CHASSIS
00908023 FELT L
00904223 COILED SPRING
00908034 6*35mm JOINT BOLT
00677978 6*12mm JOINT NUT
40011278 3*8mm BINDING HEAD P-TITE FeBC
40011334 3*12mm BINDING HEAD P-TIGHT Fe BZC
# 71019923 KS-505/KS-505D SCREW SET
NOTE : SCREW SET includes the following parts.
40010589 5 ×20mm TRASS HEAD FeBZC ×2
40010689 4 ×25mm TRUSS HEAD TAPPING
A1 Fe BZC ×4
# 40239278 4 ×20mm PAN WASHER HEAD
TAPTITE C BZC ×8
40010634 4 ×16mm TRUSS HEAD TAPPING A1 Fe ZC
40012123 4 ×25mm TRUSS HEAD TAPPING A1 Fe ZC
40011323 3 ×10mm BINDING HEAD P TITE Fe BZC
40012923 4 ×25mm DOUBLE SEMS Fe ZC
40011556 3.1 ×10mm ROUND WOOD ZC
40016512 INSULOCK TIE 80M/M T-18S
40016578 VINYL TIE 150M/M
40016545 SKM-1 TIE HOLDER
40239023 LEAFLET
# 01451856 PACKING CASE
00898189 HEAD PHONE RH-30
01567034 STOOL(MAHOGANY)
REPLACING FDD MF355F-3252MG (PNo.01341956)
When replacing MF355F-3252MG, attach 4 adhesive acetate fiber
tape (PNo.40122612) (10mm wide) to the new FDD before
mounting it on HP-555G (see the figure below).
Important :The tape is to isolate vibration and must be
attached.
Top
Bottom
NOTE2 : Attach the tape along the bottom
surface as shown in the figure.
Attach it to the other side as well.
NOTE1 : Wrap the tape once around the FDD, covering at least
1mm from the bezel's edge as shown in the figure.
Make sure that the tape cannot be seen from the front
when HP-555G is assembled.
NOTE3 : Wrap the tape once around and between
the screw holes on the bottom surface of
the FDD as shown in the figure.
Adhesive acetate fiber tape
Screw Hole
Bezel (Front Panel)
About 1—2mm