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Hammond XK-5, Service Manual

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Hammond XK-5 Service Manual Download Page 47

1

6

4

2

5

3

SW3

1

6

4

2

5

3

SW4

1

6

4

2

5

3

SW5

1

6

4

2

5

3

SW6

1

6

4

2

5

3

SW7

1

6

4

2

5

3

SW8

1

6

4

2

5

3

SW9

1

6

4

2

5

3

SW10

1

6

4

2

5

3

SW11

1

6

4

2

5

3

SW12

1

6

4

2

5

3

SW1

1

6

4

2

5

3

SW2

D1

D2 D3

D4 D5

D6

D7 D8 D9

D10

D11 D12

D13 D14 D15

D16 D17 D18

D19

D20

D21

D22

D23 D24

D25 D26 D27

D28

D29 D30

D31 D32 D33

D34 D35

D36

T0

T1

T2

T3

T4

T5

T6

T7

BR1

MD1

MK1

BR2

MD2

MK2

BR3

MD3

MK3

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19
20

J801

6232-120

BR1

Left, Reverse Key, 12key

T0

MD3

MK1

T1

BR2

T2

T3

MK2
T4

T5

MD1

MK3

T6

BR3
T7

MD2

T0

T1

T2

T7

T0

T1
T2

T3

T4

T5

T6

T7

BR1

MD1

MK1

BR2

MD2

MK2

BR3

MD3

MK3

FG

Co

nt

ac

t S

pa

ce

r

TP1

SW1-12 : Carbon Printed Contact

D1-36 :  Rohm 1SS355

*Substitutes : TOSHIBA 1SS352

On semi BAS16H

pin 1-2
pin 3-4
pin 5-6

1st

BR
MD
MK

2nd
3rd

pin

contact

net

To Middle Key

J802

C0

C#0

D0

D#0

E0

F0

F#0

G0

G#0

A0

A#0

B0

XK-5

KCH-21A

00229-23201

XK-5

7-30

Summary of Contents for XK-5

Page 1: ...SERVICE MANUAL SUZUKI MUSICAL INST MFG CO LTD 1 MAR 2017 CAUTION see safetynotice inside 2 25 12 RYOKE NAKAKU HAMAMATSU 430 0852JAPAN...

Page 2: ...screw heads knobs and control shafts escutcheon etc and measure the voltage drop across the network Reverse the line plug and repeat the measurements Any reading of 4 volts RMS or more is excessive a...

Page 3: ...40A 1 7 7 7 SWH 536A 1 2 2 2 SWH 537A SWH 538A 1 2 2 2 CNH 44A KCH 21A KCH 22A KCH 23A VRH 50A 50B DB 602C 8 PARTS LIST 9 DISASSEMBLING PROCEDURE 10 TECHNICAL DESCRIPTION 11 INITIALIZATION AND HOW TO...

Page 4: ...grams Control On Depth Leslie On Reverb Master Equalizer Bass Mid Treble Keymap Buttons Pedal To Lower Split Transpose Octave Down Adjustable Coupler Highest note Split Point Octave Up Lower Patches C...

Page 5: ...Hz 24bit U22 CLOCK GENERATOR 25MHz U23 24 26 27 28 29 30 Power Management Circuit 5V U11 FRAM U20 Serial Flash ROM D ig it a l A u d io D a ta T D M 8 c h 4 4 1 k H z 2 4 b it 1 1V 1 0V 1 8V 1 5V 0 75...

Page 6: ...hile pressing the name of SW is displayed on the OLED Lighting the LED if there is the corresponding LED VIBRATO SW The corresponding LED is lighted when switching it Drawbar The screen is switched an...

Page 7: ...Preset key The corresponding LED is lighted 3 After checking all of above turn o the power The state of the preset key will not be stored 2 standard value list Refer to the next page 3 2...

Page 8: ...NOISE LINE OUT L OFF LINE OUT L JACK 150 uV max IEC A net b LINE OUT R R JACK 150 uV max IEC A net c 11P ROT 11pin pin 200 uV max IEC A net d 11P STA L 11pin pin 200 uV max IEC A net e 11P STA R 11pi...

Page 9: ...alling screen is described in each adjusting method 3 1 1 TUBE CALB1 For adjusting SEND RETURN level mainly Parameter name Contents Value Description of value BYP Output setting OF Vacuum tube circuit...

Page 10: ...R VIBRATO 3 To enable adjusting VR1 4 5 of MXH 40A by screw driver 4 Minimize the VR2 5 Power on and leave it for more than five minutes 6 Enter to AMP EFF TUBE screen from MENU Then press button and...

Page 11: ...g the screw thread The rotary angle is 240 degrees so do not turn it more than that with force 3 2 4 V1 12AU7 Set LEVEL to 0 on TUBE CALB2 screen and make the output of the test sine wave silent Measu...

Page 12: ...rm Note that there is a time lag changing from turning to change 3 Set the SEL item to T2X 4 Observe the vacuum tube side of C186 T2X out with oscilloscope and adjust VR5 to make the upper and lower p...

Page 13: ...2 2 Turn o OVERDRIVE EFFECT and UPPER VIBRATO 3 3 If LEVEL on TUBE CALB2 screen is changed at bias adjustment reset it to 5 4 4 Press button and enter to TUBE CALB1 screen 3 3 3 Adjustment 1 Set SEL t...

Page 14: ...HT XLR_DownStream 4 4 WHT 1 9 9 WHT XLR_UpStream 5 5 WHT 13 5 10 10 WHT CU 1 TIP 6 6 WHT 8 11 11 WHT CU 1 RING 7 7 WHT 16 12 12 BLK DGND 8 8 WHT 11 3 J305 1 11Pin 1 BRN LESLIE 11Pin ROTARY 9 9 WHT 22...

Page 15: ...11 11 RED Vcc 4 4 WHT 1 5 5 WHT 1 3 5 6 6 WHT 8 J901 1 J405 1 BLK SWH 536A GND 7 7 WHT 16 2 2 WHT 4 8 8 WHT 1 1 3 3 3 WHT 2 9 9 WHT 2 2 3 4 4 WHT 1 10 10 WHT 5 1 3 5 5 WHT 1 3 5 11 11 RED Vcc 6 6 WHT...

Page 16: ...LOR NAME J902 4 J414 4 WHT SWH 538A 1 5 5 WHT 1 3 5 6 6 WHT 8 7 7 WHT 16 8 8 WHT 1 1 3 9 9 WHT 2 2 3 10 10 WHT 5 1 3 11 11 RED Vcc 1 J406 1 BLK DB 602C GND 2 2 BRN 8 3 3 RED 16 4 4 YEL Vcc 5 3 DRAWBAR...

Page 17: ...L SWH 536A 00225 45276 ENDBLOCK L SW SWH 537A 00225 45286 PANEL SW R SWH 538A 00225 45301 JACK CNH 44A 00225 45266 PRESET KEY CONTACT KCH 21A 00229 23201 32KEY CONTACT KCH 22A 00229 23211 29KEY CONTAC...

Page 18: ...SD3 G14 NVCC_SD2 G17 NVCC_SD1 G16 NVCC_RGMII G18 NVCC_PLL_OUT E8 NVCC_GPIO P7 NVCC_ENET R19 NVCC_EIM2 M19 NVCC_EIM1 L19 NVCC_EIM0 K19 NVCC_MIPI K7 NVCC_CSI N7 NVCC_LCD P19 i MX6Q POWER 2 U3B MCIMX6Q5E...

Page 19: ...E0 BOOT_MODE1 TEST_MODE TAMPER PMIC_ON_REQ PMIC_STBY_REQ JTAG_nTRST R27 0 UART4_TXD R29 0 UART4_RXD R33 0 R36 0 R38 0 R40 0 R61 0 R62 0 R64 0 R65 0 i MX6Q SATA SATA_VP G13 SATA_VPH G12 SATA_RXP B14 SA...

Page 20: ...N7 A13 T3 BA0 M2 BA1 N8 A8 T8 A9 R3 A10 AP L7 A11 R7 A4 P8 A5 P2 A6 R8 A7 R2 A0 N3 A1 P7 A2 P3 A3 N2 RESET T2 DQ5 H8 DQ4 H3 DQ3 F8 DQ2 F2 DQ9 C3 DQ8 D7 DQ7 H7 DQ6 G2 DQ13 A2 DQ12 A7 DQ11 C2 DQ10 C8 L...

Page 21: ...EIM_DA13 EIM_DA14 EIM_DA0 EIM_DA1 EIM_DA2 EIM_DA3 EIM_DA4 EIM_DA5 EIM_DA6 EIM_OE EIM_RW EIM_CS0 25V C207 0 1uF GEN_3V3 GND 1 2 4 GND 3 VCC 5 U10 NC7SP125P5X GEN_3V3 A0 20 A1 19 A2 18 A3 17 A4 16 A5 1...

Page 22: ...S USB A TYPE FB29 BLM21PG221SN1D 220ohm 2A FL_GND F1 miniSMDC050F PMIC_5V USB_OTG_DN USB_OTG_DP USB_HOST_DP USB_HOST_DN JP2 5V NU JP1 i MX6 USB SD CARD DSP_SCL DSP_SDA R113 4700 I2C2_SDA I2C2_SCL GEN_...

Page 23: ...100p R3 22 R5 22 R7 22 C9 100p C10 100p C14 100p C18 100p C22 100p C26 100p FG FB4 FB8 FB12 FB16 R9 22 R8 22 R6 22 R4 22 R2 0 NU C7 100p NU C5 100p NU C3 100p CODEC_TX CODEC_TXCLK CODEC_FST CODEC_RX C...

Page 24: ...V C240 22uF 6 3V C241 22uF 6 3V C242 22uF GND 1 1 4W R123 0 02 DDR_1V5 SYS_4V2 16V C232 4 7uF GND 16V C253 4 7uF GND 16V C252 4 7uF SYS_4V2 GND VLS252010ET 1R0 L7 1uH GND 6 3V C250 22uF 6 3V C251 22uF...

Page 25: ...700 R192 4700 NU R191 10k VSNVS_3V0 GND BOOT_MODE0 TAMPER TEST_MODE BOOT_MODE1 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 NU SW1 A6H 8101 NU R139 0 NU R140 0 NU R141 0 R142 0 R143 0 NU R144 0 NU R145 0 NU...

Page 26: ...NU R213 10k R215 10k R217 10k NU R219 10k NU R221 10k NU R223 10k NU R225 10k VCC1V8_AUX GND BOOT STRAP CONFIGURATION DSP BOOT CONFIGURATION McBSP Others R247 0 R249 22 R251 0 R253 0 R255 0 R257 0 R25...

Page 27: ...D1 DDRD11 A5 DDRD10 A6 DDRDQS8P B13 DDRDQS8N A13 DDRODT0 E14 DDRODT1 D12 U15K TMS320C6657CZH DSP0_DDR3_EBA 0 2 DSP0_DDR3_EBA_0 DSP0_DDR3_EBA_1 DSP0_DDR3_EBA 0 2 DSP0_DDR3_EBA_2 DSP0_DDR3_EWE DSP0_DDR...

Page 28: ..._09 DSP_EMU_10 DSP_EMU_11 DSP_EMU_12 DSP_EMU_13 DSP_EMU_14 DSP_EMU_15 DSP_EMU_16 DSP_EMU_17 DSP_EMU_18 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14...

Page 29: ...PMISO DSP_SSPMOSI DSP_SSPCK DSP_SSPCS0 R368 4700 R367 4700 GND GND R375 4700 R378 4700 R377 4700 R376 4700 VCC1V8 GND DSP_LRESETNMIENZ DSP_PORZ DSP_RESETFULLZ DSP_RESETZ I2C TIMER 1 0 SPI Reset Contro...

Page 30: ...ECLKP PCIECLKP PCIECLKN GND GND C311 1pF TCLKB_P 25V C314 0 1uF VCC3V3_AUX 25V C315 0 1uF 25V C316 0 1uF 25V C317 0 1uF 25V C318 0 1uF GND 25V C319 0 1uF VCC3V3_AUX 25V C320 0 1uF 25V C321 0 1uF 25V C...

Page 31: ...1uF C377 560pF 25V C375 0 1uF GND 6 3V C370 100uF 16V C371 4 7uF GND GND VCC1V8_AVDD1 VCC1V8_AVDD2 VCC1V8 10V C418 0 22uF 10V C419 0 22uF 10V C420 0 22uF 10V C421 0 22uF 10V C422 0 22uF CVDD GND 10V C...

Page 32: ...18 VSS_76 M22 VSS_69 M6 VSS_70 M8 VSS_71 M10 VSS_72 M12 VSS_65 L19 VSS_66 L21 VSS_67 L23 VSS_68 L25 VSS_61 L11 VSS_62 L13 VSS_63 L15 VSS_64 L17 VSS_57 K20 VSS_58 K23 VSS_59 L7 VSS_60 L9 VSS_53 K12 VSS...

Page 33: ...D GND 5V GND 1V0_CE 1V5_CE CVDD_CE 0V75_CE DSP_VIDA DSP_VIDB DSP_VIDC DSP_VIDS DSP Power SUPPLY VDD VREFH 1 VREFL VSS 2 PTA3 3 PTA4 4 PTA2 16 PTA1 IRQ_1 LPTMR0_ALT1 15 PTA0 IRQ_0 14 PTB5 IRQ_12 13 PTB...

Page 34: ...XD R12 0 MGH_UART4_RXD R13 0 MGH_UART4_TXD 1 2 3 J307 B3B PH Q5 2SC2873Y Power SW reset coil 5V 1 3 2 FL5 NFM21PC104R1E3D 0 1u 2A 1 3 2 FL6 NFM21PC104R1E3D 0 1u 2A FG FG AG R42 10k D4 1SS400 R41 470 P...

Page 35: ...CODEC_MCK 3 3V 25V C87 0 1u 6 3V C86 22u 25V C85 0 1u 6 3V C84 22u 25V C83 0 1u 6 3V C82 22u 25V C81 0 1u 6 3V C80 22u 25V C79 0 1u 6 3V C78 22u 25V C77 0 1u 6 3V C76 22u AG AG AG AG 5V_CODEC 5V_CODE...

Page 36: ...3u 35V C105 3 3u 35V C115 3 3u 35V C118 3 3u 35V C124 3 3u 35V C127 3 3u 35V C114 3 3u 35V C117 3 3u 35V C123 3 3u 35V C126 3 3u max 4 7Vrms 1 2W R64 27 1 2W R74 27 1 7 8 2 3 5 6 4 RL3 TLP202A 1 7 8...

Page 37: ...7k R193 1k 1 2 3 VR5 50kB TF 50V C166 0 22u 12 6V 30V_TUBE 25V C189 33u TF 50V C175 0 22u TF 50V C185 0 22u TF 50V C176 0 22u TF 50V C186 0 22u CODEC IN Differential 2Vrms 5 7Vp p max AG 3 2 1 U29A NJ...

Page 38: ...C DC Power Supply Module FL7 NFM31KC104R1H3 0 1uF 6A 50V 25V or higher C212 47u 1 R211 3300 C222 470p C223 470p C224 470p C225 470p C226 470p C227 470p C228 470p C229 0 1u C230 470p C231 0 1u C232 470...

Page 39: ...MD10 BR9 BR8 BR7 BR6 BR5 FG FIRST_09 FIRST_10 FIRST_08 FIRST_07 FIRST_06 FIRST_05 SECOND_04 SECOND_05 SECOND_06 SECOND_07 SECOND_08 SECOND_09 SECOND_10 THIRD_05 THIRD_10 THIRD_06 THIRD_07 THIRD_08 THI...

Page 40: ...C296 1000p FG FB113 C293 0 1u FG C294 1000p FG FB112 C291 0 1u FG C292 1000p FG FB111 R266 10k 3 3V INSERT_FOOT1 R269 470 R268 470 3 3V R274 220 R277 220 R267 1M AD_FOOT1 FOOT CNT2 2 1 3 5 4 6 SW2 SS...

Page 41: ...TC6 PTC7 PTC8 PTC9 PTC10 PTC11 PTC12 PTC5 PTC6 PTC7 PTC8 PTC9 PTC10 PTC11 PTC12 R36 1200 R35 1200 R34 1200 R33 1200 R37 1200 R38 1200 COM0 COM1 COM2 COM3 COM4 COM5 R23 22 R26 22 R29 22 R30 22 R31 22 R...

Page 42: ...COMMON_0 COMMON_1 COMMON_2 COMMON_3 COMMON_4 COMMON_5 SWDATA_2 SWDATA_3 SWDATA_4 LEDDATA_5 LEDDATA_6 LEDDATA_7 RED GREEN RED GREEN RED GREEN RED GREEN RED GREEN RED GREEN RED GREEN RED GREEN RED GREEN...

Page 43: ...LEDDATA5_EB LEDDATA6_EB COM0_EB COM1_EB COM2_EB COM3_EB COM4_EB SWDATA3_EB SWDATA4_EB LEDDATA6_EB LEDDATA7_EB COM5_EB SWDATA3_EB SW13 SW14 D13 PRE UPPER D14 PRE LOWER LED23 PRE UPPER LED24 PRE LOWER C...

Page 44: ...SW2 LED 0 2 SW 0 2 7 10 U6G COM 8 NC 9 U6H R80 1M 2 4 1 3 X2 CX3225GB NOT USED C70 0 1u C69 0 1u C68 0 1u C71 0 1u C72 0 1u RESET SWD_DIO SWD_CLK to EMULATOR 1 2 3 4 5 6 7 8 9 10 J412 FTSH 105 01 F D...

Page 45: ...90 0 01u 50V C89 0 01u 50V C88 0 01u 50V C87 0 01u 50V C86 0 01u 50V C85 0 01u 50V C84 0 01u 50V C80 0 01u 50V C79 0 01u 50V C78 0 01u 50V C77 0 01u 50V C76 0 01u 50V C75 0 01u 50V C74 0 01u 50V C73 0...

Page 46: ...1_RXD FL50 FL51 FL52 C110 100p C113 100p C114 100p C115 100p C116 100p C117 100p C111 0 1u FG AG C112 1000p FG FL49 HP_L HP_R C108 1000p FG FL47 C109 1000p FG FL48 FL53 CU1_TIP CU1_RING FL54 FG FG FG...

Page 47: ...T3 T4 T5 T6 T7 BR1 MD1 MK1 BR2 MD2 MK2 BR3 MD3 MK3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J801 6232 120 BR1 Left Reverse Key 12key T0 MD3 MK1 T1 BR2 T2 T3 MK2 T4 T5 MD1 MK3 T6 BR3 T7 MD2 T...

Page 48: ...9 10 11 12 13 14 15 16 17 18 19 20 J804 6232 120 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J805 6232 120 Middle Normal Key 32key T0 T1 T2 T3 T4 T5 T6 T7 BR1 MD1 MK1 BR2 MD2 MK2 BR3 MD3 MK3 M...

Page 49: ...D178 D179 D180 D181 D182 D183 D184 D185 D186 D187 D188 D189 D190 D191 D192 D193 D194 D195 D196 D197 D198 D199 D200 D201 D202 D203 D204 D205 D206 D207 D208 D209 D210 D211 D212 D213 D214 D215 D216 D217...

Page 50: ...1 2 3 VR4 4 1 2 3 VR2 5 1 3 1 2 3 VR1 16 1 2 3 4 5 6 7 8 9 10 11 J902 S11B ZR SM4A TF GND 4 2 1 1 3 5 8 1 1 3 2 2 3 5 1 3 Vcc 16 GND 4 2 1 1 3 5 8 1 1 3 2 2 3 5 1 3 Vcc 16 VR1 VR9 RA40P 201 B10K H01...

Page 51: ...1 3 2 VR1 10KB DRAWBAR UNIT 8 16 1 3 2 VR2 10KB 16 8 GND VCC VR1 VR2 RA40P 201 B10k H01 TAIWAN ALPHA ELECTRONIC CO LTD 1 2 3 4 5 6 7 8 1 2 3 1 2 3 4 J1 XK 5 DB 602C 00278 51009 XK 5 7 34...

Page 52: ...Washer M3 3ZnB 01673 64010 01673 53005 01750 03013 Tapping Screw S Tite 4x10 Truss 3ZnB 01703 64016 Machine Screw M4x16 Truss 3ZnB Tapping Screw S Tite 3x5 Truss 3ZnB 1 2 3 4 5 6 7 01703 54005 Machine...

Page 53: ...R 00451 40923 Bottom Panel Side BKT L Side BKT R Corner Protector R 00450 41097 00452 40300 00452 40301 Rear Board 00451 40920 Main PWB BKT A Corner Protector L 1 2 3 4 5 6 7 00451 40919 Main PWB BKT...

Page 54: ...3x8 Bind 3ZnB 01673 53005 00340 07015 00401 03023 00453 40150 00453 40350 19 20 Tapping Screw S Tite 3x5 Bind 3ZnB Wire Clip CS 7 Wire Clip CS 2 Grommet NG 79 N 21 22 Rubber Foot K24W 23 8 3 XK 5 26 4...

Page 55: ...MXH 40A PWB Assy 32 00230 07231 01683 53008 Tapping Screw P Tite 3x8 Bind 3ZnB 49 Power Supply S8EX N03005 33 00366 01019 01743 15000 Plain Washer M5x12x1 3ZnB 50 Rocker SW A8GS D1385 34 00301 08039 0...

Page 56: ...R HZ185 E Assy 29 30 WR HZ185 H Assy WR HZ185 G Assy 31 32 Drawber Wood L 19 00450 41095 00443 01529 WR HZ185 J Assy 33 Drawber Wood R 20 00450 41096 00443 01530 WR HZ185 K Assy 34 VC Knob XK5 21 0045...

Page 57: ...105 1 1 00450 41098 00450 41099 Side Board L Side Board R 2 3 00450 40928 01613 64012 Side Board BKT Tapping Screw Type1 4x12 Truss 3ZnB 6 ENDBLOCK L ASSY 65890 02201 1 2 3 00451 40917 00452 40176 004...

Page 58: ...3ZnB Jack Nut HLJ0990 01 250 9 SWB TP L ASSY 65890 02204 1 2 5 3 4 00225 45276 00453 40430 00453 40431 SWH 536A PWB Assy 1 2 Light Shielding Cushion Light Shielding Tube 10 SWB TP R ASSY 65890 02205...

Page 59: ...TOM 1 2 00308 05024 00444 03006 REC002002AYPP5N00001 F16D700 2 1 12 BH 73D KEYBOARD ASS Y 00289 61001 8 8 SIDE VIEW 12 3 13 11 10 1 4 4 4 4 4 5 6 7 7 7 7 8 9 18 19 18 18 18 18 18 19 18 18 19 18 19 16...

Page 60: ...1 00285 01124 00444 14005 FFC20A50 23 Down Stop Felt 12 00453 40109 Tapping Screw Type2 3x6 Bind 3ZnW 32 40 33 34 35 36 37 38 39 24 25 26 27 28 29 30 43 41 42 31 Natural Key A 24 25 28 26 27 29 00289...

Page 61: ...P T4S 30B V 3P 2P Conversion Plug JS15RS3K 120V UL 3 0m UL J1S 30B H 00439 01005 00439 01033 00439 01043 4 5 230V CE 2 5m CEK E2S 25B V 240V BS 4622 001 0403 6 240V SAA 2 0m SA S2S 20B V 1 2 00457 401...

Page 62: ...from A C souce Remove the 2 screws of A Machine screw M4x16 Truss ZnB 4 screws of B S tite 4x10 Truss ZnB from the side board 2 REMOVE THE TOP BOAERD Remove the 5 screws of A Machine screw M4x16 Trus...

Page 63: ...40A assy OLED Unit assy cable First Remove the 8 Vollume Knobs of A 1 Encoder Knob of B and 1 VC knob of C from the SW PWB assy Next remove a nut using Long nose pliers like the picture SW PWB ASSY T...

Page 64: ...First Remove the MGH 106A PWB assy then remove 2 cables Remove the 6 screws of B S tite 3x5 Bind ZnB from the MXH 40A 2 screws of D P tite 3x8 Bind ZnB 2 Nylon rivets NP3055 of E and 4 Jack nuts HLJ0...

Page 65: ...and C 9 REMOVE THE BH 73D ASSY ENDBLOCK L ASSY BH 73D ASSY ENDBLOCK L ASSY REMOVE THE BH 73D ASSY REMOVE THE ENDBLOCK L ASSY Next Remove the 8 screws of B Machine screw M4x5 Bind ZnB from the BH 73D a...

Page 66: ...contact board KCH 21A 22A 23A Keyboard contact matrix Drawbar board VRH 50A 50B Drawbars one set of nine 2 The details of the each board 2 1 Mother board MGH 106A This board performs main control MTWI...

Page 67: ...Peripheral board MXH 40A There are the various functions as follows 2 2 1 D A and A D conversion Convert the digital audio signal generated by MGH 106A to the analog signal Also convert the analog sig...

Page 68: ...on of the master volume around passing at two o clock That position is earlier than that from LINE OUT 2 2 6 Vacuum tube preamplifier The vacuum tube preamplifier is inserted as the e ects loop during...

Page 69: ...by the switching regulator The followings are the details of the each power source The name of the power source Regulator IC desig nator Voltage Use Remark 15V U17 15V Operational amplifier Generated...

Page 70: ...ini slide for FOOT CNT2 EXP 100F JK5 8pin DIN monitor the lamp power source and detect insertion 2 2 10 other I O Connect between the external I O of MGH 106A and the external drive Operate the voltag...

Page 71: ...2 NXP KinetesL which is the same as the key scan of MXH 40A Update is handled with connecting the emulator to J415 and rewriting the U2 internal FlashROM The transmission to the main processor i MX6 i...

Page 72: ...n be selected according to the assembled location Name of the Board VRH 50A VRH 50B Connector position when the drawbar knob is in front of you left right Name of the connector J901 J902 3 Switching p...

Page 73: ...gnal is applied from MGH 106A and driven in the circuit of MXH 40A 5 Sound engine system Software controlled sound engine system which is used iMX6Quad as the platform 5 1 The name of sound engine sys...

Page 74: ...ton press five times C Press RIGHT button and move the cursor to SYSTEM and press ENTER button POWER AUTO OFF setting screen appears on the display D Press the PAGE button three times and display the...

Page 75: ...nd insert the card several times while the power is o The writing failure to microSD card 1 Obtain micro SD card SYS 00365 11005 and exchange it with the card of JK2 2 Restart with pressing RECORD but...

Page 76: ...ng method as well 1 Enter AMP item of MENU press button and go to the initial screen 2 Press button while pressing RECORD button The secret screen appears 3 Press button several times and display CDCE...

Page 77: ...D card which is in MGH 106A JK4 5 1 Contact failure with the card Eject and insert the card several times while the power is o and restart again 5 2 Defected card Please try with the di erent card if...

Page 78: ...6 1 Update of the wave data Refer the manual for the update method The file name is OscPreLoadxxxx SYS xxxx is the version number 6 2 Exchange the microSD card Refer 5 SD4 error is displayed 12 4...

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