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Roland Fantom Service Notes
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Roland Fantom Service Notes

Roland Fantom Service Notes

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Sep. 2001
TABLE OF CONTENTS
SPECIFICATIONS.............................................................2
LOCATION OF CONTROLS (TOP)...............................3
LOCATION OF CONTROLS PARTS LIST (TOP)........3
LOCATION OF CONTROLS (REAR)............................4
LOCATION OF CONTROLS PARTS LIST (REAR).....4
EXPLODED VIEW PARTS LIST .....................................6
EXPLODED VIEW ............................................................6
PARTS LIST........................................................................8
KEYBOARD ASSY (SK-976-B) PARTS LIST ...............14
KEYBOARD ASSY (SK-976-B) DISASSEMBLY..........15
KEYBOARD ASSY (SK-976-B) CIRCUIT DIAGRAM ....18
IDENTIFYING THE VERSION NUMBER ..................20
SAVEING USER DATA & RELOADING SAVED DATA ....20
TEST MODE.....................................................................20
RESTORING THE FACTORY SETTINGS (Factory Reset) ....28
fig.cover
Copyright © 2001 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of ROLAND CORPORATION.
PROCEDURE FOR UPDATING THE SOFTWARE....28
CIRCUIT BOARD (MAIN) ............................................30
CIRCUIT DIAGRAM (MAIN 1/7) ...............................34
CIRCUIT DIAGRAM (MAIN 2/7) ...............................36
CIRCUIT DIAGRAM (MAIN 3/7) ...............................38
CIRCUIT DIAGRAM (MAIN 4/7) ...............................40
CIRCUIT DIAGRAM (MAIN 5/7) ...............................42
CIRCUIT DIAGRAM (MAIN 6/7) ...............................44
CIRCUIT DIAGRAM (MAIN 7/7) ...............................46
CIRCUIT BOARD (PANEL A/B, INVERTER, ENCODER, INLET, LCD) ....48
CIRCUIT DIAGRAM (PANEL A/B, INVERTER, ENCODER, INLET, LCD) ....52
BLOCK DIAGRAM.........................................................54
WIRING DIAGRAM.......................................................56
ERROR MESSAGES ........................................................58
17058001E0
SERVICE NOTES
Issued by RJA
Printed in Japan (0800) (NB)
FA-76

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  • Page 1 TEST MODE..............20 ERROR MESSAGES ............58 RESTORING THE FACTORY SETTINGS (Factory Reset) ..28 fig.cover Copyright © 2001 ROLAND CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION. 17058001E0...
  • Page 2 Sep. 2001 FA-76 SPECIFICATIONS <Others> • Arpeggiator 88 styles Fantom (FA-76): Synthesizer Keyboard (Conforms • Rhythm Pattern to General MIDI 2 System) 50 styles per each 12 patterns • Display • Keyboard 320 x 240 dots Graphic LCD w/backlit 76 keys (with velocity and channel aftertouch) •...
  • Page 3 Sep. 2001 FA-76 LOCATION OF CONTROLS (TOP) fig.top LOCATION OF CONTROLS PARTS LIST (TOP) Part Code Part Name Q’ty 02568790 FDD ESCT 02670267 FDD JU-226A032FC 01125890 D S-KEYTOP SD1H-A CLR 01783801 TACT SWITCH SKHJFF WITH LED AMBER 01343089 D-BEAM CONTROLLER ESCT BLK 01783923 N S-KEYTOP MD1H 01340290...
  • Page 4 Sep. 2001 FA-76 LOCATION OF CONTROLS (REAR) fig.rear LOCATION OF CONTROLS PARTS LIST (REAR) [Parts] Part Code Part Name Q’ty 32490595 P S-KEY MX BLK 01676512 PUSH SWITCH SDKLA1-B 02675701 WIRING W3 (AC INLET+GND WIRING) 13449284 6.5MM JACK HLJ7001-01-3010 00569278 6.5MM JACK LGR4609-7100 02565390 OPTICAL CONNECTOR TX GP1FA501TZ...
  • Page 5 Sep. 2001 FA-76 EXPLODED VIEW PARTS LIST EXPLODED VIEW fig.bunkai-1 [Parts] Part Code Part Name Q’ty 71896578 MAIN BOARD ASSY 71896590 PANEL-A KEYTOP ASSY 71896645 INVERTER BOARD ASSY 71900278 ENCODER UNIT ASSY 71896612 PANEL-B KEYTOP ASSY 71896634 INLET BOARD ASSY 71896667 LCD RELAY BOARD ASSÇx 02454045...
  • Page 6 Sep. 2001 FA-76 PARTS LIST fig.part1e SAFETY PRECAUTIONS: SAFETY PRECAUTIONS: The parts marked have safety-related characteristics. Use only listed parts for replacement. The parts marked have PART NUMBER DESCRIPTION MODEL NUMBER safety-related characteristics. Use 22575241 Sharp Key C-20/50 only listed parts for replacement. 2247017300 Knob (orange) DAC-15D...
  • Page 7 Sep. 2001 FA-76 DISK DRIVE UNIT 02670267 JU-226A032FC NOTE: Replacement JU-226A032FC should be made on a unit base. POWER SUPPLY UNIT 01785823 A1DU2L3B034 SWITCHING REGULATOR NOTE: Replacement A1DU2L3B034 should be made on a unit base. BENDER UNIT 71905023 PB-H0203 BENDER TURBOLESS NOTE: Replacement PB-H0203 should be made on a unit base.
  • Page 8 Sep. 2001 FA-76 15289109 M5216FP-600D IC (BIPOLAR OP AMP) IC58 on MB 15289141 M5223AFP-600C IC (BIPOLAR OP AMP) IC73,IC70,IC29 on MB 15189197 NJM5532DD IC (BIPOLAR OP AMP) IC101 on PAB 15189186 UPC4570C IC (BIPOLAR OP AMP) IC102 on PAB 02568478 M66273FP IC (LCD DRIVER) IC13 on MB...
  • Page 9 Sep. 2001 FA-76 RESISTOR 00567289 RPC05T 103 J MTL.FILM RESISTOR R225,R310,R308,R306,R273,R272,R271,R270,R257,R74, R7,R8,R10,R12,R22,R45,R244,R53,R231,R75,R77,R93, R128,R134,R136,R149,R150,R122,R46,R92 on MB 00567412 RPC05T 104 J MTL.FILM RESISTOR R264,R32,R124,R226,R237,R248,R253 on MB 00567556 RPC05T 105 J MTL.FILM RESISTOR R130,R41 on MB 00567689 RPC05T 106 J MTL.FILM RESISTOR R180,R200 on MB 00567034 RPC05T 121 J MTL.FILM RESISTOR...
  • Page 10 Sep. 2001 FA-76 CAPACITOR 00567867 GRM39B222K50PT CERAMIC CAPACITOR C175 on MB 01349312 GRM39F105Z10PT CERAMIC CAPACITOR C155,C196,C197,C198,C331 on MB 00567978 GRM39F104Z25PT CERAMIC CAPACITOR C188,C172,C174,C178,C179,C186,C65,C189,C190, C191,C171,C180,C417,C418,C419,C420,C421,C423, C16,C79,C15,C78,C202,C83,C210,C82,C348,C206, C370,C366,C364,C363,C356,C354,C372,C351,C373, C334,C333,C329,C315,C305,C293,C274,C228,C229, C231,C353,C221,C204,C205,C209,C2,C214,C215, C217,C218,C371,C220,C203,C222,C223,C224,C225, C226,C227,C407,C406,C376,C375,C219,C163,C30, C14,C28,C26,C25,C24,C23,C68,C162,C31,C164,C165, C166,C18,C167,C168,C169,C170,C6,C67,C161,C50, C53,C54,C55,C56,C57,C58,C52,C29,C59,C33,C48, C47,C46,C45,C44,C41,C40,C39,C38,C37,C51,C63, C69,C96,C66,C94,C92,C90,C98,C88,C97,C232,C234, C64,C233,C3,C7,C11,C12,C13,C17,C157,C70,C72, C73,C74,C75,C76,C60,C160,C95,C159,C154,C152, C235,C123,C262,C104,C103,C102,C101 on MB 15349375M0 GRM2161X1H471JZ01D CERAMIC CAPACITOR...
  • Page 11 Sep. 2001 FA-76 WIRING, CABLE 02341734 3x100-P2.0-PHR-PHR-F WIRING 02342067 4x450-P2.0-PHR-PHR-F WIRING 02679390 7x150-P2.5-XHP-XHP-F WIRING 02679401 8x950-P2.5-XHP-XHP-F WIRING 02343823 10x200-P2.0-PHR-PHR-F WIRING 02679412 WIRING W2 WIRING 02679389 BNCD-P=1.00-K-26-200 BAN CARD 02120678 BNCD-P=1.25-K-12-100 BAN CARD 02679378 BNCD-P=1.25-K-12-550 BAN CARD 02673523 BNCD-P=1.25-K-16-130 BAN CARD 02017901 BNCD-P=1.25-K-22-260 BAN CARD...
  • Page 12 02455023 SK-9 CHASSIS 76P LONG 00895212 SK-9 CUSHION 76P 01122023 SK-9 GUIDE 02455034 SK-976 AFTERTOUCH 02674012 FANTOM KBD HOLDER 02674023 FANTOM PWB HOLDER 40011067 SCREW 3x8 BINDING TAPTITE B ZC 01231534 SK-9 SPRING-WT2 00893823 SK-9 RUBBER SWITCH 12P SK-9 RUBBER SWITCH 13P...
  • Page 13 Sep. 2001 FA-76 KEYBOARD ASSY (SK-976-B) DISASSEMBLY fig.keyassy1e <Attaching the RUBBER SWITCHES and the circuit board> To fasten the SK-9 circuit board, be sure to use 3x10mm Brazier Washer Head Taptite B type FeCM screws (P/No. 40233545). 1) Turn the chassis over as shown in Fig.1. Next on the left side (the low note area of the keyboard), place RUBBER SWITCHES on the chassis in the order of 8PL, 12PL (four pieces), 13P, and 7PH.
  • Page 14 Sep. 2001 FA-76 fig.keyassy2e 2) Aligning the cutouts in the PWB with the lugs on the chassis, put one side of the PCB into the chassis hooks. Place the PCB on the chassis so that the chassis positioning pins fit into the positioning holes. (See Fig.3) At this point, the chassis positioning reference pin should first be fitted into the hole.
  • Page 15 Sep. 2001 FA-76 fig.keyassy3e <Key removal> Hold the tip of the key, put pliers into the bearing side, and spread out. (Refer to Fig.6.) Pliers Hold this position Fig. 6 <Key installation> Place a spring on the chassis. Next, place a key (see Fig.7) and press the bearing side. Spring Fig.
  • Page 16 Sep. 2001 FA-76 KEYBOARD ASSY (SK-976-B) CIRCUIT DIAGRAM fig.keyboard 32P MID 12P HI 32P LOW...
  • Page 17 10.A/D Test3 (After Touch) To cancel saving, press the [8 CANCEL] button. 11.A/D Test4 (HOLD, CTL1, CTL2) • An attempt to save data on a disk that is not formatted on the Fantom 12.Disk(FDD) Test causes the “Unformatted Disk” message to be displayed.
  • Page 18 Only when you are to perform a Factory Reset (See “Saving and Loading User Data). • Return to the top page and press the [EXIT] button. • Connect the Fantom to the mixer as follows. Details of test items fig.t00 0.
  • Page 19 Press the [8] button. Check output of OUTPUT A-L (Hot) and OUTPUT A-L (Cold). The Fantom outputs 440 Hz sine waves to OUTPUT A-L (Hot) and OUTPUT A-L (Cold). Check the waveform with an oscilloscope, then press the [8] button to proceed to the next step.
  • Page 20 Check output of OUTPUT B-L and OUTPUT B-R. The screen shows patterns in four contrasts. The Fantom outputs 440 Hz saw-tooth waves to the OUTPUT B-L side Turn the contrast knob to obtain the optimal contrast. and 440 Hz triangular waves to the OUTPUT B-R side.
  • Page 21 Sep. 2001 FA-76 7. Encoder Test 9. A/D Test 2 (VOLUME x4) Check the encoder. Check volume of REALTIME CONTROL’s [1] - [4] knobs. Rotate the encoder clockwise and counterclockwise, one turn each. Move the four REALTIME CONTROL VR knobs all the way from side to side sequentially from [1] to [4].
  • Page 22 Press [8] to return to the setting screen and re-set the positions. Check the operation of the floppy disk drive. fig.t18-2 Prepare 2HD and 2DD floppy disks (DOS-formatted on the Fantom or a PC). Insert a 2HD disk (protect OFF) into the drive. Press the [8] button.
  • Page 23 Sep. 2001 FA-76 14. D Beam Check When all the switches have been pressed and confirmed to be operating normally, the program automatically proceeds to the next test item. Hold a D Beam adjusting device (a square wooden or paper board with 8- Pressing more than one switch at the same time results in failure of the test.
  • Page 24 Sep. 2001 FA-76 17. Noise Check 18. Factory Reset Measure residual noise with a noise meter. Invoking Factory Reset displays the following screen. fig.t24 Set the input filter of the noise meter to ‘DIN-AUDIO’. Confirm that the value is “-93.0 dBm” or less. fig.t23 Press the [8] button to perform a Factory Reset.
  • Page 25 Repeat the same operation for a second disk. The Fantom uses a flash memory for the program ROM, which can be updated When updating is completed, the “Complete!” message appears with the by either of the following two methods: [BEAT] indicator blinking in green.
  • Page 26 • Update Disk Set 2HDx3 for MIDI (#17041077) • MIDI cable Procedure Connect MIDI OUT of the external sequencer to MIDI IN of the Fantom unit, using a MIDI cable. As for a sequencer supporting a chain play function, set SMF for chain play.
  • Page 27 Sep. 2001 FA-76 CIRCUIT BOARD (MAIN) fig_main comp.eps View from components side...
  • Page 28 Sep. 2001 FA-76 CIRCUIT BOARD (MAIN) fig_main foil.eps View from foil side...
  • Page 29 Sep. 2001 FA-76 CIRCUIT DIAGRAM (MAIN 1/7) fig.main1 D+1.8 UPC2933T P Q 0 7 V Z 5 M 2 Z O U T O U T V A D 100/6.3 100/6.3 100/6.3 CA[0..14] CA[0..14] 100/6.3 CD[0..15] CD[0..15] R309 F L _ V C C W X R D X R D R308...
  • Page 30 Sep. 2001 FA-76 CIRCUIT DIAGRAM (MAIN 2/7) fig.main2 CA[0..14] B5A[0..14] CA[0..14] B5A[0..15] CD[0..15] B5D[0..15] CD[0..15] B5D[0..15] C 6 2 10/16 X R D X R D X W E 1 / D Q M L U X W E 1 / D Q M L U C 6 3 0.1 C 6 4 0.1 X K E Y C S...
  • Page 31 Sep. 2001 FA-76 CIRCUIT DIAGRAM (MAIN 3/7) fig.main3 C 8 9 C385 10/16 C 9 0 C 9 2 33/6.3 C 9 4 C 9 5 C 9 7 C 9 8 IC24 RA49 10k B5A1 B5A1 B5D[0..15] B 5 D 1 5 S C 1 7 S C 1 7 D 1 5...
  • Page 32 Sep. 2001 FA-76 CIRCUIT DIAGRAM (MAIN 4/7) fig.main4 WA[0..24] C158 WD[0..15] 47/6.3 XWCS[0..7] IC31 TC223C660CF-503 C159 0.1 C160 C161 C162 0.1 C163 C164 X W C S 7 C165 0.1 C166 X W C S 6 C168 X W C S 5 C169 0.1 C170 RA64...
  • Page 33 Sep. 2001 FA-76 CIRCUIT DIAGRAM (MAIN 5/7) fig.main5 C209 3WA[1..23] IC42 HD74LV245AT 3WD[0..15] C210 W A 1 5 3 W A 1 6 W A 1 4 3 W A 1 5 IC43 IC44 RA102 W A 1 3 3 W A 1 4 E X B E 1 0 C @ J UPC2933T TC74VHCT245AFT...
  • Page 34 Sep. 2001 FA-76 CIRCUIT DIAGRAM (MAIN 6/7) fig.main6 To :PANEL-A BOARD C236 C239 C241 IC56 IC55 CN102 AN7805F AN78L05M R157 O U T O U T C N 1 2 5.6K(1/8W) R158 C238 C240 B10B-PH-K-S C242 C245 C243 C246 8.2K(1/8W) C248 C244 C247...
  • Page 35 Sep. 2001 FA-76 CIRCUIT DIAGRAM (MAIN 7/7) fig.main7 Q 2 7 C333 2SC2873Y C334 S/PDIF IC68 TC9271FS R232 330(1w) S D O 3 DATA D O 2 C N 1 3 L R C K 3 SPDIF-OUT OPTICAL L R C K 3 L R C K D O 1 R233 330(1w)
  • Page 36 Sep. 2001 FA-76 CIRCUIT BOARD (PANEL A/B, INVERTER, ENCODER, INLET, LCD) fig_Panel comp.eps View from components side...
  • Page 37 Sep. 2001 FA-76 CIRCUIT BOARD (PANEL A/B, INVERTER, ENCODER, INLET, LCD) Panel foil.tif View from foil side...
  • Page 38 Sep. 2001 FA-76 CIRCUIT DIAGRAM (PANEL A/B, INVERTER, ENCODER, INLET, LCD) fig.panel T o : P O W E R UNIT B034 To Main Board CN12 + 15 To Main Board CN8 +15V +15V C N 1 0 R E T U R N _ L L D 0 R E T U R N _ R To:Main Board CN14...
  • Page 39 Sep. 2001 FA-76 BLOCK DIAGRAM fig.block INLET BOARD INVERTER AC 100V B O A R D 117V E N C O D ER PANEL-B PANEL-A BOARD 230V LCD RELAY BOAR D B O A R D 240V BOARD CN11 Inverter REALTIME Module V O L U M E...
  • Page 40 Sep. 2001 FA-76 WIRING DIAGRAM fig_wiring.eps BNCD-P=1.25-K-22-260 INLET S K 9 7 6 BOARD WIRING W3 B E N D E R CN11 WIRING 4X450-P2.0 UNIT BNCD-P=1.25-K-16-130 F GND SDN 2 WIRING 8X950-P2.5 WIRING W1 CN12 CN15 XH ( 4 - 2. 3 ) XH 8 PH 4 FFC 12...
  • Page 41 Meaning: This disk is a master disk. Action: If the same error message is displayed repeatedly, the problem lies with the MIDI messages that are being transmitted to the Fantom. Action: Master disks cannot be used to save data or be formatted.
  • Page 42 Sep. 2001 FA-76...
  • Page 43 Sep. 2001 FA-76...

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