Roland RS50 Schematic

May.2003

SPECIFICATIONS.............................................................2

LOCATION OF CONTROLS ..........................................4

LOCATION OF CONTROLS PARTS LIST ................... 4

EXPLODED VIEW ............................................................ 6

EXPLODED VIEW PARTS LIST ..................................... 7

PARTS LIST........................................................................8

CHECKING THE VERSION NUMBER....................... 13

SAVING AND LOADING DATA................................13

TEST MODE..................................................................... 13

RESTORING THE FACTORY SETTINGS...................16

UPDATING THE SYSTEM............................................16

KEYBOARD PARTS LIST ..............................................18

KEYBOARD CIRCUIT BOARD ....................................19

KEYBOARD CIRCUIT DIAGRAM ..............................19

RS-50

SERVICE NOTES

Issued by RJA

KEYBOARD DISASSEMBLY ........................................20

BLOCK DIAGRAM......................................................... 24

CIRCUIT BOARD(Main Board)....................................26

CIRCUIT BOARD(Main Board)....................................28

CIRCUIT DIAGRAM(Main1)........................................30

CIRCUIT DIAGRAM(Main2)........................................32

CIRCUIT DIAGRAM(Main3)........................................34

CIRCUIT DIAGRAM(Main4)........................................36

CIRCUIT DIAGRAM(Main5)........................................38

CIRCUIT BOARD(PWB PANEL R ASSY/

PWB PANEL L ASSY/PWB PS ASSY) ........................40

CIRCUIT DIAGRAM(PWB PANEL R ASSY/

PWB PANEL L ASSY/PWB PS ASSY) ........................42

ERROR MESSAGES........................................................44

Printed in Japan (0800) (AS)17058162E0

May.2003

SPECIFICATIONS

RS-50: Synthesizer Keyboard (conforms to General MIDI 2 System)

Keyboard

61 keys (with velocity)

[Sound Generator]

Maximum Polyphony

64 voices

Parts

* Each part (Patch) can be assigned two tones; can be split or layered.

Wave Memory

32 M bytes (16-bit linear equivalent)

Preset Memory

Original Tones: 640

Patches: 640 (RS-50 original: 384, General MIDI 2: 256)

Rhythm Sets: 20 (RS-50 original: 11, General MIDI 2: 9)

Performances: 32

Pitch Bend/Modulation Lever: 1

Control Knobs: 5

Display

20 characters, 2 lines (Backlit LCD)

Connectors

Output Jacks (L/MONO, R)

Headphones Jack

MIDI Connectors (IN, OUT)

Hold Pedal Jack

Control Pedal Jack

Power Supply

DC 9 V (AC Adaptor)

Current draw

1,000 mA

Dimensions

1,033 (W) x 294 (D) x 103 (H) mm

40-11/16 (W) x 11-5/8 (D) x 4-1/16 (H) inches

Weight

5.5 kg/12 lbs 13 oz

User Memory

Patches: 128

* Each Patch can be assigned two Tones.

Rhythm Sets: 2

Performances: 8

Effects

Multi-Effects: 47 types

Reverb: 8 types

Chorus: 8 types

[Others]

Rhythm Guide

Preset Patterns: 32

Tempo: 5--300 BPM (with tap tempo function)

Multi-Chord Memory

Preset Chord Sets: 16

* 12 chord forms are assigned to each set.

User Chord Sets: 8

* 12 chord forms can be assigned to each set.

Accessories

Owner’s Manual English(#72237790)

Japanese(#72237623)

AC Adaptor (ACI Series or PSB-1U)

ACI-120C(#00905756)

ACI-230C(#01018312)

PSB-1U(R)(#03017356)

230V AC CORD SET(#01903356)

240V AC CORD SET(#01903367)

CD-ROM (Editor program for PC/Mac):(#03341467)

Options

Pedal Switch: DP-2, DP-8

Foot Switch: BOSS FS-5U

Expression Pedal: EV-5

MIDI IMPLEMENTATION English(#17041321)

Japanese(#17041320)

* In the interest of product improvement, the specifications and/or appearance of

this unit are subject to change without prior notice.

Phrase/Arpeggio

Templates: 342

User Tmplates: 8

Styles (Variations): 473

Controllers

D Beam Controller: 1

RS-50

May.2003 RS-50

LOCATION OF CONTROLS

TOP(SIDE L)

fig.panel-top-side-l

REAR

fig.panel-rear

TOP(Side R)

Fig.panel-top-side-r

3 4

3 3 4

7 7

14 14

12 13

10 10 11 11

11 11 11 11

11 11

18 18

14 14

15 15 15

16 16

LOCATION OF CONTROLS PARTS LIST

No 1-2 01343089 ESCUTCHEON D-BEAM CONTROLLER ESCT BLK 1 1 03126134 LED TLN233 1 1 02230578 LED SPACER LDS-50R 1 2 01900612 DIODE TPS611 1 2 12169368 LED SPACER LDS-40B 1 3-4,9-11 01239856 LED (ORANGE) SEL5921A TP15 29 +1 3-4,7-13 02891789 TACT SWITCH SKRGADD010 H=5.0 29 +12 3,7 03120889 D S-KEYTOP SX2H-B GRS 5 +2 4,8 03120890 D S-KEYTOP SX1H-B GRS 8 +6 5,15-16 02452912 J R-KNOB SF-A BLK/LCG 6 5 02455234 12M/M ROTARY POTENTIOMETER EVJY15F02B14 1 6 03231856 DISPLAY COVER 1 6 02453345 LCD HOLDER 1 6 02453156 LED (ORANGE) LNJ801TP6JA 5 6 02453145 LCD RCM2072M-A 1 6 02908834 LEAF REFLECTOR 1 9,13 01783923 N S-KEYTOP MD1H 1 +1 10 01783934 N S-KEYTOP MD2H 1 11 01783956 N S-KEYTOP MD4H 2 12 01783967 N S-KEYTOP MX1H 1 13 01239867 LED (RED/GREEN)CLR SML72423C TP15 1 14 01343090 LED SPACER 3 14 01907901 LED LNJ482YKXXE 7 15 02891889 9M/M ROTARY POTENTIOMETER EVUFEKFK3B14 10KB CC 3 16 01787545 9M/M ROTARY POTENTIOMETER EVUF2KFK3B14 10KB 2 17 13429676 MIDI CONNECTOR YKF51-5048 (TWIN) 1 18 00569278 6.5MM JACK LGR4609-7100 5 19 22365714 CORD HOOK 236-714 1 20 13449711 AC ADAPTOR JACK HEC-0470-01-630 1 21 12499175 G S-BUTTON S1H BLK 249-175 1 21 01676512 PUSH SWITCH SDKLA1-B 1

PART CODE Part name Description Q’TY

May.2003

EXPLODED VIEW

fig.explo

g b

EXPLODED VIEW PARTS LIST

[Parts]

NO PARTCODE Part name Description Q’TY 1 03233212 TOP PANEL 1 2 02453290 SIDE PANEL L 1 3 02453301 SIDE PANEL R 1 4 03235656 BOTTOM CASE 1 5 72341001 KEYBOARD ASSY SK-9A61-A 1 6 03234723 BENDER PB-H0204 1 7 02453323 SIDE HOLDER L 1 8 02453334 SIDE HOLDER R 1 9 02455956 PANEL HOLDER 2 10 03236689 CHANNEL 1 11 72237678 MAIN BOARD ASSY 1 12 72237701 PWB PANEL L ASSY 1 13 72237712 PWB PANEL R ASSY 1 14 72237723 PWB PS ASSY 1 15 02452912 J R-KNOB SF-A BLK/LCG 6 16 03231856 DISPLAY COVER 1 17 12499175 G S-BUTTON S1H BLK 249-175 1 18 22365714 CORD HOOK 236-714 1 19 03236667 INSULATING SHEET 1

[Screw]

RS-50

NO PARTCODE Part name Description Q'TY a 40011056 SCREW 3X6 BINDING TAPTITE B ZC 21 b 40011101 SCREW 3X8 BINDING TAPTITE B BZC 13 c 40011123 SCREW 4X8 BINDING TAPTITE B BZC 9 d 40012356 SCREW 4X20 BINDING TAPTITE B BZC 6 e 40011312 SCREW 3X8 BINDING TAPTITE P BZC 12 f 40012501 SCREW M4X12 BINDING TAPTITE P FE BZC 5 g 40011490 SCREW M3X6 PAN MACHINE W/SW BZC 5 h 40239734 SCREW 3X6 VWH B-TIGHT ZC 2 i 40454856 SCREW M4X10 BINDING NI 1

May.2003

PARTS LIST

fig.part1e

SAFETY PRECAUTIONS:

The parts marked have safety-related characteristics. Use only listed parts for replacement.

NOTE: The parts marked # are new. (initial parts)

PWB MAIN ASSY=MB, PWB PANEL L ASSY=PAL, PWB PANEL R ASSY=PAR, PWB PS ASSY=PS

CASING

# 03233212 TOP PANEL 1

CHASSIS

KNOB, BUTTON

03235656 BOTTOM CASE 1 03231856 DISPLAY COVER 1 02453290 SIDE PANEL L 1 02453301 SIDE PANEL R 1

02455956 PANEL HOLDER 2 02453323 SIDE HOLDER L 1 02453334 SIDE HOLDER R 1 03236689 CHANNEL 1

12499175 G S-BUTTON S1H BLK 249-175 1 02452912 J R-KNOB SF-A BLK/LCG 6

CONSIDERATION ON PARTS ORDRING

When ordering any parts listed in the parts list, please specify the following items in the order sheet.

Failure to completely fill the above items with correct number and description will result in delayed or even undelivered replacement.

QTY PART NUMBER DESCRIPTION MODEL NUMBER

Ex. 10 22575241 Sharp Key C-20/50

15 2247017300 Knob (orange) DAC-15D

SWITCH

JACK, EXT TERMINAL

DISPLAY UNIT

KEYBOARD ASSY

PCB ASSY

# 72237678 MAIN BOARD ASSY 1

02891789 SKRGADD010 H=5.0 TACT SWITCH SW29,SW28,SW27,SW25,SW38,SW24,SW23

01676512 SDKLA1-B PUSH SWITCH SW1 on PS 1

13429676 YKF51-5048 (TWIN) MIDI CONNECTOR JK1 on MB 1 00569278 LGR4609-7100 6.5MM JACK JK2,JK3,JK4,JK5,JK6 on MB 5 13449711 HEC-0470-01-630 AC ADAPTOR JACK JK1 on PS 1

02453145 RCM2072M-A LCD IC9 on PAL 1 NOTE: Replacement RCM2072M-A should be made on a unit base.

72341001 KEYBOARD ASSY SK-9A61-A 1 NOTE: See ‘KEYBOARD PARTS LIST’ for details.

03236101 WIRING 8X170-P2.5-XHP-SCN-R CN8 on MB 1 12199584 GROUNDING TERMINAL M1698 TER3,TER2,TER1 on MB,

,SW22,SW30,SW26,SW42,SW50,SW49,SW4 8,SW47,SW46,SW35,SW44,SW31,SW41,SW 40,SW37,SW21,SW34,SW33,SW32,SW45,S W20,SW39 on PAL, SW10,SW7,SW19,SW16,SW15,SW14,SW13, SW9,SW8,SW2,SW3,SW4 on PAR

TER1,TER2 on PS

29 +1 2

# 72237701 PWB PANEL L ASSY 1

NOTE: ‘PWB PANEL L ASSY’ includes the following parts. 02560123 RIBBON CABLE JWFV 10X175-P2.0 1 01343089 ESCUTCHEON 02453345 LCD HOLDER 1 03120889 D S-KEYTOP SX2H-B GRS 5 03120890 D S-KEYTOP SX1H-B GRS 8 01783923 N S-KEYTOP MD1H 1 01783934 N S-KEYTOP MD2H 1 01783956 N S-KEYTOP MD4H 2

D-BEAM CONTROLLER ESCT BLK

RS-50

PCB ASSY

# 72237712 PWB PANEL R ASSY 1

# 72237723 PWB PS ASSY 1

02908834 LEAF REFLECTOR 1 02230578 LED SPACER LDS-50R 1 12169368 LED SPACER LDS-40B 1

NOTE: ‘PWB PANEL R ASSY’ includes the following parts. 01783923 N S-KEYTOP MD1H 1 01783967 N S-KEYTOP MX1H 1 03120889 D S-KEYTOP SX2H-B GRS 2 03120890 D S-KEYTOP SX1H-B GRS 6 01343090 LED SPACER 3

NOTE: ‘PWB PS ASSY’ includes the following parts. 22465224 HEATSINK 246-224 HS1 on PS 1 12199584 GROUNDING TERMINAL M1698 TER3,TER2,TER1 on MB,

40011501 SCREW M3X8

03231645 HD6437016E30F IC (32BIT CPU) IC7 on MB 1 02677490 RA0C-003XP7TC203C180AF003 IC (CUSTOM) IC24 on MB 1 00129278 SSC1080F0B IC IC33 on MB 1 01342978 TC160G22AF-1253 IC (CUSTOM) IC18 on MB 1 02784856 M11L416256SA-35T IC (DRAM) IC13,IC30 on MB 2 01900678 BR93LC46FV-WE2 IC (EEPROM) IC16 on MB 1 03231656 ******** LH28F160BJE-BTL80 IC (FLASH MEMORY) 1 01451578 AK4324-VF-E2 IC (DAC) IC28 on MB 1 01458401 TC74LVX4245FS(EL) IC (TTL) IC12,IC14 on MB 2 03127589 TC7S08FU IC (CMOS) IC36 on MB 1 01348912 TC7SH08FU(TE85L) IC (CMOS) IC32,IC11 on MB 2 01348945 TC7SH32FU(TE85L) IC (CMOS) IC9 on MB 1 01455301 TC7WH04FU(TE12L) IC (CMOS) IC4 on MB 1 02234245 TC7WHU04FU(TE12L) IC (CMOS) IC25 on MB 1 02675689 HD74LV245ATELL IC (CMOS) IC1,IC5,IC8,IC15 on MB 4 03016167 TC74VHCT08AFT(EL) IC (CMOS) IC3 on MB 1 15189261 M5218AFP-600E IC (BIPOLAR OP AMP) IC29,IC19,IC27 on MB 3 15289109 M5216FP-600D IC (BIPOLAR OP AMP) IC31 on MB 1 01458445 UPC29M33T-T1 IC (REGULATOR) IC34 on MB 1 02010156 AN77L05M IC (REGULATOR) IC26 on MB 1 02234778 NJM2360AM-TE3 IC (REGULATOR) IC35 on MB 1 03236112 FS781BZBT IC IC401 on MB 1 15199937 M51953BFP-600C IC (RESET) IC37 on MB 1 02900545 PC410LKNIP IC (PHOTO COUPLER) IC6 on MB 1 01677756 HD74HC138P IC (CMOS) IC4,IC5 on PAL 2 01677823 HD74HC574P IC CMOS IC6 on PAL 1 15189186 UPC4570C IC (BIPOLAR OP AMP) IC7,IC8 on PAL 2 01677812 HD74HC4053P IC (CMOS) IC2 on PAR 1 15189249 BA10324A IC (OP AMP) IC1 on PAR 1 15199190 NJM7805FA IC(V.RGL) IC3 on PS 1

MX23L12810TC-12 M1P0102WAV

PAN MACHINE W/SW+PW BZC

IC (MASK ROM) IC21 on MB 1

TER1,TER2 on PS

TRANSISTOR

DIODE

15309101 2SA1037AKT146R TRANSISTOR Q7,Q13,Q6 on MB 3 02671012 2SA1530A-T12-1R TRANSISTOR Q401 on MB 1 03233989 2SC4210-Y(TE85R) TRANSISTOR Q17 on MB 1 02671023 2SC3052-T12-1E TRANSISTOR Q5 on MB 1 15319101 2SC2412KR T146 TRANSISTOR Q15,Q14 on MB 2 15319115 2SC4213-A(TE85L) TRANSISTOR Q11,Q9,Q12,Q10 on MB 4 15329507 DTA114EKT146 DIGITAL TRANSISTOR Q1 on MB 1 15329511 DTC114TKT146 DIGITAL TRANSISTOR Q2,Q3 on MB 2 15329516 DTC114EKT146 TRANSISTOR Q16 on MB 1 03126145 2SA933ASTPR TRANSISTOR Q18 on PAL 1 03234545 2SD1858 TV2 Q TRANSISTOR Q19 on PAL 1 15119163 RN2227(TPE4) TRANSISTOR Q5,Q8,Q7,Q6 on PAL,

Q1,Q2,Q3,Q4 on PAR

15129164 DTC114ESTP DIGITAL TRANSISTOR Q10,Q9,Q12,Q13,Q14,Q11,Q16,Q15 on PAL 8

00673789 SB20-03P-TD SCHOTTKY DIODE D5 on MB 1 02780401 MA720-(TX) SCHOTTKY DIODE D2 on MB 1 15339130 MA142WK-(TX) ARRAY DIODE DA4,DA5,DA401,DA402,D3,DA3,D1 on MB 7 01897189 MA147-(TX) ARRAY DIODE DA1,DA8,DA7,DA6 on MB 4 01565678 RD5.1M-T2B ZENER DIODE D4 on MB 1 01900612 TPS611 DIODE Q17 on PAL 1

4 +4

May.2003

DIODE

RESISTOR

15019126 1SS133 T-77 SWITCHING DIODE D29,D21,D26,D28,D30,D27,D25,D24,D22,D

03126134 TLN233 LED LED44 on PAL 1 02453156 LNJ801TP6JA LED LED49,LED53,LED47,LED51,LED45 on

01239856 SEL5921A TP15 LED (ORANGE) LED25,LED41,LED39,LED37,LED36,LED34

01907901 LNJ482YKXXE LED LED8,LED2,LED3,LED7,LED9,LED10,LED

01239867 SML72423C TP15 LED (RED/GREEN)CLR LED11 on PAR 1 15039136 DSA26C DIODE D1 on PS 1

00567289 RPC05T 103 J MTL.FILM RESISTOR R401,R134,R116,R405,R408,R113,R111,R109

00567290 RPC05T 123 J MTL.FILM RESISTOR R97,R81,R110 on MB 3 00567378 RPC05T 473 J MTL.FILM RESISTOR R156,R141,R139,R133,R45 on MB 5 01011856 RPC05T 0R0 J MTL.FILM RESISTOR R29,L12,R31,L55,L11,R19,L1,R3,L60,R17,L1

03236123 RPC05T 2R2 J MTL.FILM RESISTOR R153,R152,R150,R148,R149 on MB 5 00567267 RPC05T 682 J MTL.FILM RESISTOR R121,R127 on MB 2 00567301 RPC05T 153 J MTL.FILM RESISTOR R120,R126,R117,R107,R104,R93 on MB 6 00567278 RPC05T 822 J MTL.FILM RESISTOR R154,R108,R112,R98,R94 on MB 5 00567245 RPC05T 472 J MTL.FILM RESISTOR R87,R66,R135,R28,R13,R413,R30,R70 on MB 8 00566967 RPC05T 470 J MTL.FILM RESISTOR R75,R41 on MB 2 00567212 RPC05T 332 J MTL.FILM RESISTOR R106,R37,R415,R402,R58,R119 on MB 6 00567034 RPC05T 121 J MTL.FILM RESISTOR R7 on MB 1 00567067 RPC05T 221 J MTL.FILM RESISTOR R2,R4,R36 on MB 3 00567112 RPC05T 471 J MTL.FILM RESISTOR R49,R78,R90,R77,R79,R50 on MB 6 00567134 RPC05T 681 J MTL.FILM RESISTOR R114,R102 on MB 2 00567156 RPC05T 102 J MTL.FILM RESISTOR R71,R151,R125,R157,R140,R132,R73,R147,R

00567023 RPC05T 101 J MTL.FILM RESISTOR R54,R56,R51,R27,R59,R76,R26,R101,R20,R8,

00566912 RPC05T 220 J MTL.FILM RESISTOR R411,R412 on MB 2 00566867 RPC05T 100 J MTL.FILM RESISTOR R34,R14,R35,R92,R145,R25,R407,R24,R88,R

00567412 RPC05T 104 J MTL.FILM RESISTOR R105,R131,R118,R124,R48 on MB 5 15399711 MCR25 JZH J 221 1/4W MTL.FILM RESISTOR R47 on MB 1 15399952 MCR50JZH470 1/2W CHIP RESISTOR R128,R129,R123,R122 on MB 4 00567089 RPC05T 331 J MTL.FILM RESISTOR R115,R103 on MB 2 15409113 EXBV8V103JV RESISTOR ARRAY RA25,RA401,RA19,RA22,RA27,RA24,RA26

01457145 EXBE10C103J RESISTOR ARRAY RA8,RA14,RA17,RA33,RA13,RA21,RA12,R

01013923 EXBV8V100JV RESISTOR ARRAY RA3,RA15,RA31,RA16,RA29,RA23 on MB 6 02456878 EXB2HV220JV RESISTOR-ARRAY RA34,RA7,RA9,RA5,RA6,RA20,RA2,RA11,

13749861T0 SR25TRE 474 J CARBON RESISTOR R43 on PAL,R8,

13749190 SR50TR 100 J CARBON RESISTOR R33,R32 on PAL 2 13749787T0 SR25TRE 391J 1/6W RESISTOR R65,R61,R57,R55,R63 on PAL 5 13749837T0 SR25TRE 473 J CARBON RESISTOR R37,R40 on PAL 2 13749797T0 SR25TRE 102 J CARBON RESISTOR R38,R42,R47 on PAL,

13749813T0 SR25TRE 472 J CARBON RESISTOR R35 on PAL 1 13749817T0 SR25TRE 682 J CARBON RESISTOR R51,R34 on PAL 2 13749821T0 SR25TRE 103 J CARBON RESISTOR R48 on PAL 1 13749831T0 SR25TR 273 J CARBON RESISTOR R39 on PAL 1 13749859T0 SR25TRE 394 J CARBON RESISTOR R36 on PAL 1 13749757T0 SR25TRE 220 J CARBON RESISTOR R20,R19,R18,R17,R15,R14,R16 on PAL 7 13749767T0 SR25TRE 560J CARBON RESISTOR R22,R21,R27,R26,R25,R23,R28,R24 on PAL,

13749773T0 SR25TRE 101 J CARBON RESISTOR R41,R45 on PAL,

13749779T0 SR25TRE 181 J CARBON RESISTOR R49 on PAL 1 13749799T0 SR25TR 122J CARBON RESISTOR R44 on PAL 1 13749823T0 SR25TRE 123 J CARBON RESISTOR R46 on PAL 1 13749845T0 SR25TRE 104 J 1/4W CARBON RESISTOR R50 on PAL 1 13749857T0 SR25TRE 334 J CARBON RESISTOR R53 on PAL 1 13749795T0 SR25TRE 821 J CARBON RESISTOR R59 on PAR 1

53,D31,D23,D54,D58,D57,D50,D55,D32,D51 ,D49,D48,D47,D46,D33,D56,D45,D34,D35,D 36,D38,D39,D40,D41,D42,D43 on PAL, D20,D15,D16,D3,D14,D11,D10,D9,D8,D5,D 4,D17 on PAR

PAL

,LED33,LED32,LED31,LED30,LED29,LED4 2,LED26,LED40,LED24,LED23,LED22,LED 21,LED20,LED19,LED18,LED17,LED16,LE D15,LED14,LED13,LED12,LED27,LED38 on PAL,LED401 on PAR

4 on PAR

,R404,R96,R85,R100,R5,R69,R16,R74,R22,R9 9,R72,R32,R95,R86 on MB

0,R65,L7,L18,L57,L401,R64,L13,L9,L15,L8,R 80,R57 on MB

53,R137,R68,R67,R46,R11 on MB

R6,R146,R40,R410,R414,R416 on MB

409,R144 on MB

,RA28 on MB

A35,RA10,RA30 on MB

RA4,RA18,RA32,RA1,RA36 on MB

R6,R2 on PAR

R60 on PAR

R13,R12,R11,R10,R9 on PAR

R7,R5,R1 on PAR

35 +1 2

29 +1

1 +3

3 +1

8 +5

2 +3

RS-50

POTENTIOMETER

CAPACITOR

02455234 EVJY15F02B14 01787545 EVUF2KFK3B14 10KB 02891889 EVUFEKFK3B14 10KB CC

00567945 GRM39B103K50PT CERAMIC CAPACITOR C15,C98,C106,C203,C110,C77,C109 on MB 7 00567978 GRM39F104Z25PT CERAMIC CAPACITOR C418,C38,C50,C39,C42,C44,C45,C46,C47,C4

01674334 ECUV1H101JCV CERAMIC CAPACITOR C160,C425,C416,C428,C427,C426,C402,C3,

01674356 ECUV1H151JCV CERAMIC CAPACITOR C235 on MB 1 01674489 ECJ1VB1H152K CERAMIC CAPACITOR C409 on MB 1 01674712 ECJ1VF1A105Z CERAMIC CAPACITOR C237,C6,C21,C60,C166,C167,C168,C22,C20

01675189 GRM39CH180J50PT CERAMIC CAPACITOR C408,C407 on MB 2 02129534 ECJ1VB1H102K CERAMIC CAPACITOR C80,C79,C76,C67,C69,C71,C75,C70,C68,C72

01674423 ECUV1H471JCV CERAMIC CAPACITOR C29 on MB 1 01674189 ECUV1H120JCV CERAMIC CAPACITOR C143 on MB 1 01674167 ECUV1H100DCV CERAMIC CAPACITOR C146,C171,C165,C154,C144 on MB 5 01674190 ECUV1H150JCV CERAMIC CAPACITOR C214,C213,C191,C212,C196,C211,C210,C20

01343245 AMZV0050J271 0200 POLYEST. CAPACITOR C159,C150 on MB 2 02236712 AMZV0050J221 0200 POLYEST. CAPACITOR C145,C155 on MB 2 00239401 AMZV0050J821 0200 POLYEST. CAPACITOR C147,C156 on MB 2 00560212 ECA1CM4471B CHEMICAL CAPACITOR C232,C205 on MB 2 02345101 RV2-16V100M-R CHEMICAL CAPACITOR C10,C184,C182,C199,C114,C97,C43,C202,C

00560245 16SC10M+T (OS) CAPACITOR(CHEMICAL) C233 on MB 1 01454889 RA2-16V470MT2 470UF/16V CHEMICAL CAPACITOR C158,C149 on MB 2 01900834 RA2-16V101M-T2 CHEMICAL CAPACITOR C176,C148,C169,C157,C178,C172,C208,C13

01902590 RA2-6V101MC-T2 CHEMICAL CAPACITOR C64,C54,C84,C107 on MB 4 02784812 RE3-16V102M-T2 CHEMICAL CAPACITOR C187 on MB 1 02891667 RE3-6V102M-T2 CHEMICAL CAPACITOR C189 on MB,

03125023 RPER11H103K2M1A01A CERAMIC CAPACITOR C41 on PAL,C18,

13529132 RPE132-901F104Z50

03018523 RPE2C1H100J2M1D01A MLT.LAY.CERA CAPACITOR C37,C38,C39 on PAL 3 01894601 RC2-16V101MB-T2 CERAMIC CAPACITOR C31,C33,C36 on PAL,

02781423 RC3-6V101M-T2 CHEMICAL CAPACITOR C28 on PAL,

02891756 RC2-6V331M-T2 CHEMICAL CAPACITOR C26 on PAL 1 02891767 RC2-16V100M-T2 CHEMICAL CAPACITOR C30 on PAL 1 13649270 ECA1CM222B 2200UF/16V CAPACITOR C12 on PS 1

12M/M ROTARY POTENTIOMETER

9M/M ROTARY POTENTIOMETER

MLT.LAY.CERAMIC CAPACITOR

VR6 on PAL 1 VR5,VR1 on PAR 2 VR3,VR2,VR4 on PAR 3

17,C37,C48,C415,C49,C414,C5,C12,C183,C1 73,C1,C4,C8,C7,C9,C11,C28,C13,C14,C16,C 17,C18,C19

,C25,C26,C27,C51,C120,C115,C124,C123,C4 13,C122,C125,C121,C186,C201,C119,C207,C 118,C117,C236,C116,C249,C200,C142,C164, C163,C175,C162,C177,C161,C188,C179,C19 0,C181,C141,C140,C138,C137,C185,C135,C1 27,

C153,C96,C53,C55,C411,C406,C57,C108,C4 01,C56,C61,C252,C85,C253,C254,C65,C74,C 58,C251,C111,C113,C52,C250,C412 on MB

C105,C36,C151,C152 on MB

on MB

,C78,C174,C86,C87,C88,C89,C83,C170,C223 ,C82,C403,C404,C423,C81,C101 on MB

9,C198,C192,C194,C197,C195,C90,C224,C23 1,C230,C229,C228,C226,C225,C215,C222,C2 21,C220,C219,C218,C217,C216,C227,C99,C1 93,C103,C104,C93,C94,C102,C100,C91,C92, C95 on MB

24,C405,C23,C2 on MB

6,C134,C73,C180,C204,C206,C234,C139 on MB

C15 on PS

C22,C3 on PAR C34,C40,C32,C29,C45,C27,C25,C24,C43,C44

,C42 on PAL, C4,C5,C2,C7,C8,C9,C17,C23,C6 on PAR, C10,C11,C13,C14 on PS

C19 on PAR

C21,C16,C1 on PAR

1 +1

1 +3

11 +9 +4

3 +1

1 +3

INDUCTOR, COIL, FILTER

01676023 SBCP-87331H CHOKE COIL L64 on MB 1 00903167 N2012Z601T02 (CHIP) FERRITE-BEAD L39,L54,L34,L56,L17,L42,L36,L58,L52,L5,L3

01565578 N1608Z601T01 FERRITE-BEAD L19,L53 on MB 2 01787056 N1608Z102T01 FERRITE-BEAD L38,L25,L37,L43,L29,L21,L41,L26,L44,L20,L

01340834 EXCML20A390 FERRITE-BEAD L62 on MB 1 00237212 SH-202 CHOKE COIL FL2 on PS 1

,L2,L59,L16,L14,L6,L4 on MB

28 27,L45,L35,L28,L33,L32,L31,L30,L40,L51,L2 4,L22,L49,L23,L50,L48,L46,L47 on MB

+ 23 hidden pages

Roland RS50 Schematic

TABLE OF CONTENTS

SPECIFICATIONS

LOCATION OF CONTROLS

LOCATION OF CONTROLS PARTS LIST

EXPLODED VIEW

EXPLODED VIEW PARTS LIST

PARTS LIST