Hammond B-3P Service Manual
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Hammond B-3P Service Manual

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SERVICE MANUAL

B-3P
CAUTION !
see safety notice inside
Use this manual as a supplement to
*
"New B-3 SERVICE MANUAL."
JAN.2005
SUZUKI MUSICAL INST.MFG.CO.,LTD.
2-25-12,RYOKE,HAMAMATSU, JAPAN

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Summary of Contents for Hammond B-3P

  • Page 1: Service Manual

    SERVICE MANUAL B-3P CAUTION ! see safety notice inside Use this manual as a supplement to "New B-3 SERVICE MANUAL." JAN.2005 SUZUKI MUSICAL INST.MFG.CO.,LTD. 2-25-12,RYOKE,HAMAMATSU, JAPAN...
  • Page 2 SAFETY NOTICE Great care has been taken in the design and manufacture of this product to assure that no shock hazard exists on any exposed metal parts. Internal service operations can expose the technician to hazardous line voltages and accidentally cause these voltages to appear on exposed metal parts during repair or reassembly of product components.

  • Page 3: Table Of Contents

    B-3P -Table of Contents- 1.SPECIFICATIONS 2.BLOCK DIAGRAM 3.DISASSEMBLY PROCEDURE 3-1,3-2 4.WIRING CONNECTION 4-1,4-2 5.WIRING CHART 5-1~5-8 6.PRINTED WIRING BOARD ASS'Y LIST 7.SCHEMATICS MXH-33B 8.PARTS LIST 8-1~8-16...

  • Page 4: Specifications

    B-3P 1.SPECIFICATIONS Keyboards Swell & Great (10-Mechanical contacts and Rubber contacts w/velocity) Pedal Keyboard 25-note, radiating, detachable Sound Generator 96-Digital Tone Wheels Harmonic Drawbars™ Swell 9 pitches 2 sets (16',5 1/3',8',4',2 2/3',l 3/5',l 1/3',1') Great 9 pitches 2 sets (16',5 1/3',8',4',2 2/3',l 3/5',l 1/3',1')

  • Page 5: Block Diagram

    B-3P Block Diagram for B-3P Drawbar Ass'y DB-409E DB-409E DB-402G DB-409G DB-409G IFH-13B MIDI out Upper A# and B Pedal Lower A# and B Motor Control Power on/off Pedal voice is synchronized Drawbar scan Swithing Power Supply AC Line Filter...
  • Page 6 4 rosette washer(Ø5,ZnB) from the cover ass'y. < When using CompactFlash > Remove the 2 screws(M4x12,Truss,ZnB) of HAMMOND Name Plate #1 from the cover ass'y.There is an exclusive slot. 2.REMOVE THE COVER BRACKETS(L)(R) Remove the 10 screws(M4x10,Bind,ZnB) from the cover brackets(L)(R).

  • Page 7: Disassembly Procedure

    B-3P Disassembly procedure for Multi Contact Keyboard STEP 1 Remove each of the four Bracket A2. Screw M5x6 Bracket A1 can put off after Bracket A2. Remove more four screws and remove the Bracket A4. Work to remove this Bracket from upper manual keyboard only.

  • Page 8: Wiring Connection

    LCD UNIT KCH-3A KCH-3A BAS BAR UPPER LOWER UPPER Bus Bars SET LO WER J1006 J1005 J1004 J1003 SWH-491A VRH-23A BAS BAR UPPER J-PK J-EXP WR-B3P-H WR-B3P-E WR-B3P-A B-3P Pedal Key KCH4.5 WIRING CONNECTION EXP-9BL EFH226A AC IN Leslie out WR-EXP-C...
  • Page 9 B-3P Flat Cable Connection Dreawbar Panel B3 IFH-14A UPPER UPPER LOWER LOWER SWH-487A SWH-489A G ND A ES15 J501 CTH-31A Ja ck Pane l B3 J503 MGS-82A J502 J509 J202 J507 J504 J510 J511 J508 J506 J514 J513 VGH39A-1 J603...

  • Page 10: Wiring Chart 5-1~5-8

    5.WIRING CHART B-3P J508 MAIN & MASTER GENERATOR J402-5 GRY TGH-53A -1 BLK MGH-82A -2 WHT PLUG FROM TO PLUG WIRE TO PWB KEY DOWN FUNCTION J509 J202-13 BRN CTH-31A No. PIN No. & PIN No. COLOR NAME KEY REST...

  • Page 11: Wht

    B-3P J906 MAIN & MASTER GENERATOR J514-11 WHT MGH-82A SELA J514-13 BRN MGH-82A MGH-82A J907 +15V PLUG FROM TO PLUG WIRE TO PWB FUNCTION J907-2 ORG VGH-39A-1 +15V No. PIN No. & PIN No. COLOR NAME J514 J903-1 BLU VGH-39A...

  • Page 12: Wht

    B-3P BASS VOICE & DRAWBAR SCAN VGH-40B J510-6 BLK MGH-82A J605 1 J1109-1 MXH-33B PLUG FROM TO PLUG WIRE TO PWB FUNCTION No. PIN No. & PIN No. COLOR NAME FOOT SW1 J601-2 EFH-236A 3 J1109-4 LOUT MXH-33B J601-3 EFH-236A...
  • Page 13 B-3P BUS AMP & 9 STEP VOLUME J403 TGH-53A J403-2 BLU TGH-53A J302-2 YEL SWH-481C PLUG FROM TO PLUG WIRE TO PWB FUNCTION J403-4 YEL TGH-53A No. PIN No. & PIN No. COLOR NAME J403 IFH-15A J1201-1 BLU J302-4 BLK SWH-481C...
  • Page 14 B-3P VOLUME PANEL MIXER & POWER VRH-23A MXH-33B J603-6 BRN EFH-226A D/B IN PLUG FROM TO PLUG WIRE TO PWB J1101 FUNCTION AGND No. PIN No. & PIN No. COLOR NAME 1 J1102-1 MXH-33B Avcc AGND J1005 MAIN Vol 5VAN...
  • Page 15 B-3P MIXER&POWER MIDI JACK MXH-33B IFH-13B J701 J507-2 MGH-82A MIDI IN PLUG FROM TO PLUG WIRE TO PWB FUNCTION MIDI OUT No. PIN No. & PIN No. COLOR NAME J605-1 EFH-236A J1109 DGND J605-7 EFH-236A DGND FOOT SW2 AC LINE FILTER...

  • Page 16: Gry

    B-3P MAIN LCD UNIT Leslie 11Pin 8 J1107-8 MXH-33B PLUG FROM TO PLUG WIRE TO PWB FUNCTION -8 GRY No. PIN No. & PIN No. COLOR NAME Leslie 11Pin TO ECHO Leslie 11Pin 1 J506-14 MGH-82A MXH-33B J1107-11 DC +24V IN...

  • Page 17: Organ Console

    B-3P 25 NOTE PEDAL UNIT ORGAN CONSOLE KCH-4A PLUG FROM WIRE CABLE CONNECTOR TO PLUG TO PWB FUNCTION PIN No. COLOR PIN No. & PIN No. NAME J-PK1-1 J-PK2-1 J205-1 CTH-31A FK22 FK21 FK20 FK19 EXP PEDAL UNIT ORGAN CONSOLE...

  • Page 18: Printed Wiring Board Ass'y List

    B-3P 6. Printed Wiring Board Ass'y List Note : Please refer to New B-3 service manual for all schematics except MXH-33B. PWB.NAME PART No. FUNCTION MGH-82A 00228-24211 Main CPU & Tone Wheel Generator VGH-39A (2sets) 00221-16201 96-ch. D/A Converter VGH-40B 00221-16207 Drawbar Scan &...

  • Page 19: Mxh-33B

    B-3P 100p 2SC4935Y 2700pF TF +14.5 6800 NOT USED NOT USED MASTER VOLUME 2.2u/50V MSR 2.2u/50V MSR 2.2u/50V MSR J1102 2.2u/50V MSR 1000 RL1A LES ON from EFH-236A J603 2.2u/50V MSR J1101 UPC4570HA 820p 680p 680p 220p HEAD PHONE UPC4570HA...

  • Page 20: Parts List

    Manual Shelf Board Top Ass'y 66371-02101 Machine Screw 00703-65025 Cover Ass'y 66371-01203 (Truss,M5x25,ZnB) Cover Board Ass'y 66371-01202 Machine Screw 00703-25020 HAMMOND Name Plate #1 00451-40446 (Oval head,M5x20,ZnB) Supprt Bracket For Cover 00451-40432 Hexagon Nut (M12,ZnW) 00724-11200 Catcher Hinge TH-7 00352-01105 JBA Bolt 00453-40151...
  • Page 21 B-3P 2.C ABINET TOTAL ASS'Y ( 6 637 1- 01 20 1 ) 11 20 Manual Shelf Board Ass'y 66371-01204 Plane Washer (Ø10,ZnB) 00743-11000 Shelf Board (L) 00450-40615 Hexagon Socket head Cap Screw 00713-71030 Shelf Board (R) 00450-40616 (M10x30,ZnB) Body Frame (Front)
  • Page 22 B-3P 3 . C O V E R B O A R D A SS'Y ( 66 37 1-0 12 0 2 ) 11 12 5 7 9 12 13 Cover Board A 00450-40622 Machine Screw 00702-24008 Cover Board B...
  • Page 23 B-3P 5 . M A N U A L S H E L F B O A R D A S S ' Y ( 66371-01204) Manual Shelf Board 00450-40617 Rear Rail 00450-40618 Insert Nut Type B (M4x11.5,ZnY) 00730-04005 Leather Sheet(1150x620)
  • Page 24 B-3P 7 . M A N U A L S H E L F B O A R D A SS'Y (6 6 37 1 -0 2 10 1 ) 29 30 15 16 21 22 00453-40148 Side Bracket (L)
  • Page 25 B-3P WIR I NG 0 0 4 4 3 - 0 11 6 0 0 0 4 4 3 - 0 11 7 2 WR- TW- A WR-TW-N 0 0 4 4 3 - 0 11 6 3 0 0 4 4 3 - 0 11 7 4...
  • Page 26 B-3P 9 . FR O NT P ANE L ASS 'Y (66 37 1 -0 2 10 2 ) Drawbar Panel B3P 00451-40438 Tapping Screw Type 1 00613-23012 Switch FPL Ass'y 66311-02103 (Oval,Ø3x12,ZnB) Switch FPR Ass'y 66311-02104 Drawbar Support 00451-40322...
  • Page 27 B-3P 9 .AC PA NEL ASS'Y ( 66 371 -0 210 4 ) Hexgon Nut With Flange (M4,ZnB) 00725-83000 Power Plate 00451-40431 Toothed Lock Washer (Ø4,ZnY) 00755-44000 Wiring WR-B3P-B 00443-01295 Tapping Screw Type 2 00623-54008 Wiring WR-B3P-G 00443-01300 (Bind,Ø4x8,ZnB) Wiring WR-B3P-C...
  • Page 28 12.JACK PANEL B-3P ASS' Y ( 6 63 7 1- 0 21 0 3 ) 1 Rear Jack Panel B3P 00451-40450 9 Machine Screw(Bind,M3x10,ZnB) 00703-53010 Jack BKT XC-3EN 00451-40189 Tapping Screw P Tight 00683-53008 Jack BKT B3 00451-40282 (Bind,Ø3x8,ZnB) CNH-21B Ass'y...
  • Page 29 B-3P ( 66 3 7 1- 0 14 0 2 L ) 1 3 . M A I N S T A N D W E L D A S S ' Y ( L , R ) ( 6 6 3 7 1 - 0 1 4 0 2 R ) 1 Round Pipe For Main Stand (Ø50.8)
  • Page 30 B-3P 1 8 . BE NCH STAND TOTAL A S S ' Y ( 6 6 3 1 1 - 0 1 3 0 1 ) U Nut With Cap 00724-98000 66377-01401 Bench Stand Weld Ass'y (L) Plain Washer 00744-80000...
  • Page 31 B-3P 2 1.P K-25PR ASS'Y ( 6 637 6- 011 0 0 ) White Key Ass'y 00234- Housing A'ssy 66376- Black Key Ass'y #1 3023500234- Tapping Screw Type 0210200700- Black Key Ass'y #3 3024100234- 1(Truss,Ø4x10,ZnB)Machi 0400500705- Black Key Ass'y #5...
  • Page 32 B-3P 12 13 66376-02104 PK Top Cover Ass'y 00450-40646 SW Box Cover 00452-40153 Protector Leslie 00452-40170 Protector #3 00451-40437 PK plate 00613-64010 Tapping Screw Type 1 (Truss,Ø4x10,ZnB) 00613-34016 Tapping Screw Type 1 (Flat head,Ø4x16,ZnB) 00700-06003 Knob Bolt G(M6x15) 00443-01302 Wiring WR-B3P-I...
  • Page 33 B-3P 2 2.SWITCH LEVER RAIL AS S'Y ( 00 2 3 4- 3 3 10 6 A ) SW Lever Rail 00401-13461 KCH-4A Ass'y 00229-21251 KCH-5A Ass'y 00229-21256 Contact Rubber 00280-21007 SW Supprt 00402-31126 PWB Spacer E-00-022 00402-31177 23.PK TOP COVER ASS'Y(6 63 7 6- 0 21 0 4 )
  • Page 34 B-3P 25.EXP -9BL (0 023 4- 362 02 ) SENSOR 00451-40031 Frame(EXP) 00234-07003 EXP.Base(Pla) 00234-01013 Reflection Board 00321-06002 Photo Diode 00760-02001 Lug Terminal 00770-03001 Lock Pin 00303-12003 Lamp Base 00757-96000 00308-01001 U Nut Lamp 00452-40009 00451-40441 Pedal Spacer Support BKT...
  • Page 35 B-3P 2 6 . F OO T SW ASS'Y (00234-34220 ) 1 2 3 Lever Welder BKT 00234-34221 Support BKTStopper 00451-40038 Lever BKT 00451-40044 Felt(B) 00453-40017 Lever Support BKT 00451-40045 Mini Micro Switch 00301-07010 Stopper Felt(A) 00453-40016 MachineScrew 00703-52010 Spring...

Table of Contents