ROLAND KR 55

Page 1

Feb. 1990

KR-55

DIGITAL KEYBOARD

KFI-55

SERVICE NOTES

F irst Edition

TABLE OF CONTENTS

SPECIFICATIONS

DISASSEMBLY

KEYBOARD SK-776«C
PARTS LIST
DISASSEMBLY
CIRCUIT DIAGRAM

E :5!

(i1;

METIIE

ms SK-776-C
/\-7 3 U 1 |~
992:5
EIIBI

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1
2
2
2
3
5
SK-776 AW CONTACT BOARD (32F) SK-776 AW CONTACT BOARD (32F) 5
SPECIFICATIONS/Iifi SK-776 AW CONTACT BOARD (44F) SK-776 AW CONTACT BOARD (44F) 5
Keyboard .................. 76keys, E to C, SK-776-C Accessories ----- Music Rest : 22195634 PARTS LIST , 9-? U X 1* 6
- ....... _ - AAC Cord(detachabIe/5EII)IT BLOCK D'AGRAM '3 V 7 E 7
Sound Generatlon RS PCM SoUnd Generation 100V 1- 4 CIRCUIT DIAGRAM (MAIN BOARD) IEIEEI (MAIN BOARD) 8
(max- 30 V0) ' 13 39816 MAIN BOARD MAIN BOARD 9
Output Power ~ 10w x 2 117V = 13439312 JACK BOARD/CARD BOARD/PHONES BOARD JACK BOARD/CARD BOARD/PHONES BOARD 12
PresetVoices ~- -> 23 Group 64 Voice 220V 1 13439813F0 CIRCUIT DIAGRAM (JACK BOARD) 1512512) (JACK BOARD) 13
Effects ..... ,. Chorus, Revert, 240V-E : 23495110 CIRCUIT DIAGRAM (CARD BOARD) Eifil (CARD BOARD) 13
s .1 , 240V.A : 13439814Fo CIRCUIT DIAGRAM (PHONES BOARD) (EBB- (PHONES BOARD) 13
M's 16"" X 28" . SWITCH BOARD SWITCH BOARD 14
P°W°'c°"s"'"P""°"' 3°" 45 Peda' 3mm" : DP'Z CIRCUIT DIAGRAM (SWITCH BOARD) (91%| (SWITCH BOARD) 14
117V 45W 1317/220/240v] PRIMARY BOARD PRIMARY BOARD 15
220v, 240v 70w , "V CIRCUIT DIAGRAM (PRIMARY BOARD) Ems- (PRIMARY BOARD) 15
Dementions ............... 1153M) x 394(0) X 108(H)mm Ownerf Manual (Japanefe) = 26035559 PS-AMP BOARD PS-AMP BOARD 16
45-5/3 x 154/2 X 4-1 ,4 inch Owners Manual (Engllsh): 26035560 CIRCUIT DIAGRAM (PS-AMP BOARD) @Ial (PS-AMP BOARD) 15
- ,,,,,,,,,,,,,,,,,,,,,, 16k /35(b 30 Options '''''''' Stand: KS-30 (117/220/240V) TEST MODE 7-1 IL . E- F 17
We's' 9 Z' K935 (100V, TROUBLESHOOTING I a 7"» - 9 1 -? 4 > 7' 20
P d I S '1 h. DP 6 CHECKING JACK BOARD JACK BOARD Ofifi 22
e 3 4° ' PEDAL DP-6 «3*» DP-G 22
Fed?" SW'tChi DP-Z STAND KS-35 x5» 1 KS35 23
Expression Pedal: EV-5, EV-10 STAND KS»30 X519 F KS-3O 24
Handy Pad: PAD-5 PEDAL DP-2 Nfigb DP-2 24
1c DATA IC 7- 2 25
EIEEDYnTObIaCkI
B n P D BLK
(22432113, (22495224)
Music Rest Panel Switch Holder LED Button (black)
(22195634) (22215687, (22205152, SLH-34VC3F AIKEYTOP SIP BLK
. (15029299) (22495219)
ASWItCh (Power) . .
Tact SWItch Tact SWItch
Key Felt SDDG3078A
02265492, (13129124) SKHVBD 1OOG SKHVBD 1006
(13169697) (13169697)
_ Side Panel R
33:25:33; '- $112538)
319 n mm .m .
Plate L _ ELI-:1 I 1 1
(22125250 (22125255) Emma E :11?" :1 1:) E { 51:) 1,5 ;_-, 3
Keyboard Assy

Jack

YKB-21-5006
(13449252)

Phones PCB Holder
(22205193)

BottOm
(21 135229)

SK-776-C
(7623820000)

Blind
(21145384)

1
Slide Knob LButton (black) LED Cover
(22485192) AIKEYTOP DIP BLK (22045237)
VR Escution (22495223) 7 Segment LED
(22225348) LED SL-1351 RED
SVR Cover SLH-34VC3F (15029325)
(222245194) (15029289) 7 Segment LED Spacer
Slide VR Tact Switch (22925881)
D410 Card Holder EWA-NAOX10A14 SKHVBD 100G
(22200188) (13359360) Jack (13169697)
A-50 Card Holder YKBZ1-5074- AAC Inlet
(22205246) (13449275) CM~11 3P(100/240V)
IC Card Connector Jack Pot. -Jack (13429718)
7508095A YKBZ1~5208 red- HK14K121 YKBZl-5006 PA-126 2P(117/220V)
(13429233) (13449281) (13219158) (13449252) (13429710)
At
Tmu WWV m (THEM an 3(er - -n°"""L- I 1°
(T m 056 °
9 0° 9 3 T <3 © Q Q
l LSlide Switch e" we
SSSU 12367A
Din Socket Din Socket (13159160) Jack -Jack
T085083-01-4151 TCS4651»01-4151 YK321-5012 (321-5010
(13429660) (13429659) (13449146) (13449145)

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