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SERVICE MANUAL

011477

19991101-198000

1.58K-9431 Printed in Japan ’99.11

HAMAMATSU, JAPAN

CONTROL SYNTHESIZER

CONTENTS

SPECIFICATIONS

................................................... 3

PANEL LAYOUT

.................................... 4

CIRCUIT BOARD LAYOUT

................. 5

BLOCK DIAGRAM

............................ 6

WIRING

.................................................................... 7

DISASSEMBLY PROCEDURE

.............................. 8

LSI PIN DESCRIPTION

.............................. 13

IC BLOCK DIAGRAM

................................. 18

CIRCUIT BOARDS

...................................... 20

TEST PROGRAM

............................ 24/34

MIDI DATA FORMAT

............... 44

MIDI INPLEMENTATION CHART .......................................... 48
PARTS LIST
OVERALL CIRCUIT DIAGRAM

Содержание S-80

Страница 1: ...NTROL SYNTHESIZER CONTENTS SPECIFICATIONS 3 PANEL LAYOUT 4 CIRCUIT BOARD LAYOUT 5 BLOCK DIAGRAM 6 WIRING 7 DISASSEMBLY PROCEDURE 8 LSI PIN DESCRIPTION 13 IC BLOCK DIAGRAM 18 CIRCUIT BOARDS 20 TEST PROGRAM 24 34 MIDI DATA FORMAT 44 MIDI INPLEMENTATION CHART 48 PARTS LIST OVERALL CIRCUIT DIAGRAM ...

Страница 2: ...other entities to cause cancer and or birth defects or other reproductive harm DO NOT PLACE SOLDER ELECTRICAL ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT SO EVER Avoid prolonged unprotected contact between solder and your skin When soldering do not inhale solder fumes or expose eyes to solder flux vapor If you come in contact with solder or components located inside the encl...

Страница 3: ...OP 6 Memory Keys Quick Access 8 Bank Keys 16 Program Part Keys Power Card Slot Gain Host Select MIDI In Out Thru To Host Breath Footswitch Sustain Foot Controller Foot Volume Individual Output 1 2 Output L Mono R Phones A D Input AC Inlet 2 Connectors for Plug in Boards 40 x 2 Backlit Owner s Manual Data List CD ROM AC Power Cord PLG150 Plug in Boards Series PLG100 Plug in Boards Series FC4 5 Foot...

Страница 4: ...1 2 3 4 VOLUME PITCH MODULATION GAIN A D INPUT PHONES OUTPUT L MONO R 1 2 INDIVIDUAL OUTPUT SUSTAIN BREATH TO HOST HOST SELECT IN OUT MIDI THRU FOOT VOLUME FOOT CONTROLLER FOOT SWITCH CARD 3 3V DATA PAGE PART ELEMENT A B C 1 2 SHIFT ASSIGNABLE KNOB 1 2 5 3 4 9 8 7 6 EF BYPASS MASTER KEYBOARD EXIT DEC NO INC YES ENTER STORE VOICE MODE UTILITY EDIT JOB PLAY STOP CARD SEQ PLAY PERFORM COMPARE POWER O...

Страница 5: ... VOLUME jack INDIVIDUAL OUTPUT 1 and 2 jacks OUTPUT L MONO and R jack PHONES jack A D INPUT jack GAIN knob Rear panel Power supply assembly LCD SV AE88L AEC A 1 C2 C 2 C5 PN SM RV JK DM PC AE88H C 5 C7 POWER AC INLET ON OFF CARD 3 3V MIDI OUT THRU IN HOST SELECT TO HOST BREATH SUSTAIN FOOT SWITCH FOOT CONTROLLER FOOT VOLUME Mac PC 1 PC 2 MIDI INDIVIDUAL OUTPUT OUTPUT 1 R L MONO PHONES A D INPUT GA...

Страница 6: ...X 2 16bit DBUS toHOST I F RES 3 3V Power Supply CLK33MHz CONTROL Master RES SWP30B CPU 8bitDBUS 1Mbit SRAM 8bitDBUS 1Mbit SRAM 16bitDBUS 4Mbit DRAM PROGRAM ROM FLASH 16bitDBUS 16Mbit PROGRAM ROM 16bitDBUS FLASH 16Mbit RES RES RES CONTROL CPU PKS CLK8MHz RES CONTROL RES CPU CLK28MHz SIO4 I F Smart Media Load Save BOARD Slot x 2 PLUG IN RES CPU RES CONTROL Media I F Smart I F PLUG IN Control Slider ...

Страница 7: ...P L500 DM JK 4P L350 DM SM 26P L430 JK MVR 5P L650 JK PS 5P JK PN 5P L800 KRD KRD 3P L300 PS AC INLET 4P Connector Assembly PS Core Connector Assembly DMJK Core Connector Assembly PLUG Core PS P SW 3P L100 Connector Assembly Location Remarks Parts List Ref No 15 15 16 13 12 12 13 2P 14P 22 14P 2P 26 6 14 3P 10P 8P 25 26 17 3P 5P 7P DM 14 17 8P 7P 3 2 PLUG IN 1 PLUG IN 2 PN RV LCD CN1 CN1 CN1 CN6 C...

Страница 8: ... 4 2 Remove the two 2 screws marked 30 and the five 5 screws marked 31 Fig 3 4 3 Remove the four 4 screws marked 22 from the power assembly Fig 3 Power supply unit can then be removed 5 SM Circuit Board 5 1 Open the control panel assembly See procedure 1 5 2 Remove the two 2 screws marked 96 The SM circuit board can then be removed Fig 4 6 SV Circuit Board 6 1 Open the control panel assembly See p...

Страница 9: ...3 0X6 MFZN2BL EP600230 31 Bonding Tapping Screw B 3 0X10 MFZN2BL VQ049800 81 Bonding Tapping Screw B 3 0X10 MFZN2BL VQ049800 82 Bind Head Tapping Screw B 3 0X6 MFZN2BL EP600230 92 Bind Head Tapping Screw B 3 0X6 MFZN2BL EP600230 96 Bind Head Tapping Screw B 3 0X6 MFZN2BL EP600230 130 Bind Head Tapping Screw B 3 0X6 MFZN2BL EP600230 Fig 3 BOTTOM VIEW1 TOP VIEW BOTTOM VIEW2 REAR VIEW ...

Страница 10: ... 2 Remove the JK circuit board See procedure 8 9 3 Remove the seven 7 screws marked 282 The DM shield cover can then be removed Fig 4 9 4 Remove the three 3 screws marked 63 Fig 4 9 5 Remove the two 2 screws marked 62 and the screw marked 64 from the DM circuit board Be careful of the harness clamp which is also installed there Fig 5 10 Wheel Assembly 10 1 Open the control panel assembly See proce...

Страница 11: ...rol panel assembly See procedure 1 11 2 Remove the two 2 screws marked 250 The PC circuit board can then be removed Fig 6 12 Keyboard Assembly 12 1 Open the control panel assembly See procedure 1 12 2 Remove the four 4 screws marked 230 and the four 4 screws marked 240 Fig 6 12 3 Loosen the two 2 screws marked 292 which are secring the front rail Fig 6 12 4 Remove the seven 7 screws marked 300 whi...

Страница 12: ...g 9 13 3 The black keys can be disassenbled by following the same procedure 14 Keyboard Assembly Procedure 14 1 Insert the hammer assembly marked C in the frame in the direction marked 1 Fig 10 14 2 Place the hammer assembly as shown in figures 10 and 11 14 3 Place the white key in the order of 4 and 5 Fig 12 14 4 Place doun on the white key in the direction marked 6 shown in figure 13 14 5 Attach...

Страница 13: ...put 38 A19 O Address bus 110 PE1 I Smart MINS 39 A20 O 111 PE2 I Model detection 40 VCC40 Power supply 112 VCC112 Power supply 41 A21 O Address bus 113 PE3 I Smart busy input 42 VSS42 Ground 114 PE4 I MLAN reset interrupt request input 43 RD O Read 115 PE5 O 1M clock out 44 WDTOVF Not used 116 PE6 I Model detection 45 D31 I O Data bus 117 VSS117 Ground 46 D30 I O 118 AN0 I 47 WRH O High write 119 ...

Страница 14: ...n H off 44 LC AE I connected to 5V 13 SW2 I Switch 2 L on H off 45 B6 S6 I 14 IS I Input strobe 46 B5 S5 I 15 OS I Output strobe 47 B4 S4 I Break contact of key receive 16 SW3 I Switch 3 L on H off 48 B3 S3 I Switch receive 17 SW4 I Switch 4 L on H off 49 B2 S2 I 18 DOUT0 O 50 B1 S1 I 19 DOUT1 O 51 B0 S0 I 20 DOUT2 O 52 Se O 21 DOUT3 O 53 Sd O 22 DOUT4 O Data output 54 Sc O Switch drive 23 DOUT5 O...

Страница 15: ... supply 61 VSS Ground 181 VSS Ground 62 KONI2 I 182 LMD8 I O 63 KONI3 I 183 LMD9 I O 64 DAC0 O DAC output 184 LMD10 I O 65 DAC1 O 185 LMD11 I O 66 WCLK O DAC0 DAC1 word clock 186 LMD12 I O 67 MELO0 O 187 LMD13 I O 68 MELO1 O 188 LMD14 I O 69 MELO2 O 189 LMD15 I O 70 MELO3 O MEL wave data output 190 VSS Ground 71 MELO4 O 191 LMA0 O 72 MELO5 O 192 LMA1 O 73 MELO6 O 193 LMA2 O 74 MELO7 O 194 LMA3 O 7...

Страница 16: ... AD1 I Analog input 32 S11 I 64 S0 I Switch matrix data MBCG46183 129 XV833A00 Gate Array PIN NO NAME I O FUNCTION PIN NO NAME I O FUNCTION 1 D5 I O 25 TX31 O Transmit Data 31 2 D6 I O Data Bus 26 RX32 I Receive Data 32 3 D7 I O 27 TX32 O Transmit Data 32 4 IRQ0 I O Interrupt Request Port 0 28 RX33 I Receive Data 33 5 IRQ1 I O Interrupt Request Port 1 29 TX33 I O Transmit Data 33 6 VSS Ground 30 I...

Страница 17: ...eset input active L 18 VDD Power supply 5V 7 BYPAS I LCF bypass control 19 CINNR Anti aliasing filter cap R ch 8 FMT0 I Audio data format 0 20 CINPR Anti aliasing filter cap R ch 9 FMT1 I Audio data format 1 21 CINNL Anti aliasing filter cap L ch 10 MODE0 I Master Slave mode selection 0 22 CINPL Anti aliasing filter cap L ch 11 MODE1 I Master Slave mode selection 1 23 VCC Analog power supply 12 FS...

Страница 18: ...7 1G 1A 1B 1Y0 1Y1 1Y2 1Y3 16 15 14 13 12 11 10 Vcc 2G 2A 2B 2Y0 2Y1 2Y2 8 GND 9 2Y3 1 2 3 4 5 6 7 8 13 14 15 16 17 18 19 20 9 10 11 12 VDD Vcc 2G 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 GND Vss 2Y1 1A4 2Y2 1A3 2Y3 1A2 2Y4 1A1 1G TC74VHC244F XN969A00 IC51 Bus Buffer 1 D1R 2 3 4 5 6 7 8 9 10 A1 A2 A3 A4 A5 A6 A7 A8 GND 11 12 13 14 15 16 17 18 19 20 VCC G B1 B2 B3 B4 B5 B6 B7 B8 TC74VHC245F XT487A00 IC11 Tr...

Страница 19: ... V V 8 7 6 5 Output A Non Inverting Input A DC Voltage Supply DC Voltage Supply Output B Inverting Input B Non Inverting Input B Inverting Input A TC74HC14AF TP1 XD657A00 IC8 IC17 IC20 IC22 IC32 IC100 Hex Inverter 1 2 3 4 5 6 7 1A 1Y 2A 2Y 3A 3Y GND 14 13 12 11 10 9 8 VDD 6A 6Y 5A 5Y 4A 4Y TC74HC74AF XP003A00 IC18 IC19 Dual D Type Flip Flop PR CLR INPUTS OUTPUTS CLK D Q Q L H H L H L L H L L H H H...

Страница 20: ...ohm load T19 1 kHz OUTPUT L INDIV 1 6 0 2 dBm INDIV 2 Less than 72 0 dBm 10 kohm load PHONES L 5 0 2 dBm PHONES R Less than 64 0 dBm 33 ohm load OUTPUT L Less than 72 0 dBm 10 kohm load OUTPUT R 6 0 2 dBm T20 1 kHz OUTPUT R INDIV 1 Less than 72 0 dBm 10 kohm load INDIV 2 6 0 2 dBm PHONES L Less than 64 0 dBm 33 ohm load PHONES R 5 0 2 dBm T21 A D LEVEL JACK OK T22 A D D A OUTPUT L R 15 0 2 dBm Lin...

Страница 21: ...error occurred Pressing the EXIT switch will execute T28 EXIT and the testing will come to an end MANUAL MODE When the test program is started the following display will appear Select the test number using the DEC NO and INC YES switches Press the ENTER switch to execute the currently selected test After the test press the EXIT switch to set to standby mode When the EXIT switch is pressed again T2...

Страница 22: ...ll proceed to checking the next switch If the wrong switch is pressed NG will appear and no sine wave will be output If the correct switch is pressed after that testing will proceed to the next switch If the test results for all switches are satisfactory OK will appear The switches are checked in the following order VOICE PERFORM STORE UTILITY CARD SEQ EDIT JOB PLAY STP SHIFT EF BYPS MASTER EXIT E...

Страница 23: ...26 127 Right 0 0 1 Center 64 63 65 according to the instruction on the LCD as shown below Check that the numbers change sequentially and that OK appears as the result Begin the check from the specified knob The mark will appear to the left of the value of the knob being checked x x x current knob value y y y next target value DISPLAY OF RESULTS OK NG No change in the message on the display TEST EN...

Страница 24: ...OOT VOLUME FOOT CONTROLLER SUSTAIN SWITCH and FOOT SWITCH according to the instruction on the LCD as described below Check that the numbers change and that OK appears as the result Release 0 0 2 Push In 127 125 127 and Release 0 0 2 Turn On 0 and Off 1 the SUSTAIN SWITCH and FOOT SWITCH FOOT VOLUME Release 0 2 Push In 125 127 Release 0 2 FOOT CONTROLLER same as the above SUSTAIN SWITCH On 0 Off 1 ...

Страница 25: ... IN OUT THRU Connect a MIDI cable to MID IN and OUT and then begin testing If the IN and OUT check results are OK connect the MIDI monitor with THRU and check that the test pattern AA FF 00 55 is output DISPLAY OF THE RESULTS OK NG When different data has been received NG Whenreceptionisnotcompletedwithinthespecifiedtime TEST END The test ends after the result is displayed When the test result is ...

Страница 26: ...n the LCD DISPLAY OF RESULTS TEST END AUTO when the INC switch is pressed the sound output will stop and the next test will be executed MANUAL when the EXIT switch is pressed testing will end the initial display will be restored and the next test number will be set T20 1kHz OUTPUT R Insert plugs into OUTPUT L OUTPUT R PHONES L and PHONES R and then connect the oscilloscope and AC voltmeter with a ...

Страница 27: ... unit 12dB and then output at the D A With MIC 1 GAIN MIC applies and the signal input through the A D will be output at the D A as is With MIC 2 GAIN MIC applies and the level of the signal input through the A D will be lowered to the specification of the main unit 12dB and then output at the D A When GAIN Line 1 move the A D INPUT VOLUME knob and check that the sound volume varies OUTPUT L 1 kHz...

Страница 28: ...e sine wave sound is output momentarily DISPLAY OF RESULTS When the factory settings are restored OK When the factory settings are not restored NG TEST END The test ends after the result is displayed FACTORY SETTING DATA After the factory settings are restored the following data will be set T27 SWP Ch From OUTPUT L the sound output is repeated until the EXIT switch is pressed via the SWP64Ch on th...

Страница 29: ...sfies the following conditions Take measurements with the voltmeter with JIS C filter connected OUTPUT L Less than 82 dBm 10k ohm load OUTPUT R Less than 82 dBm 10k ohm load INDIV 1 Less than 82 dBm 10k ohm load INDIV 2 Less than 82 dBm 10k ohm load PHONES L Less than 82 dBm 33k ohm load PHONES R Less than 82 dBm 33k ohm load E Short cut Functions 1 Turn on the power while pressing PRE1 and PRE2 a...

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Страница 40: ...6 67 68 69 6A 6B 6C 6D 6E 6F 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F 0100 0000 0100 0001 0100 0010 0100 0011 0100 0100 0100 0101 0100 0110 0100 0111 0100 1000 0100 1001 0100 1010 0100 1011 0100 1100 0100 1101 0100 1110 0100 1111 0101 0000 0101 0001 0101 0010 0101 0011 0101 0100 0101 0101 0101 0110 0101 0111 0101 1000 0101 1001 0101 1010 0101 1011 0101 1100 0101 1101 0101 1110 0101 1111 011...

Страница 41: ...63 4 5 c 64 SUSTAIN SWITCH v 0 127 c 65 PORTAMENTO SWITCH v 0 63 OFF 64 127 ON 4 c 71 FILTER RESONANCE v 0 64 64 0 127 63 4 c 72 EG RELEASE TIME v 0 64 64 0 127 63 4 c 73 EG ATTACK TIME v 0 64 64 0 127 63 4 c 74 FILTER CUTOFF FREQ v 0 64 64 0 127 63 4 c 75 EG DECAY TIME v 0 64 64 0 127 63 4 c 91 REVERB SEND v 0 127 4 c 93 CHORUS SEND v 0 127 4 c 0 95 ASSIGNABLE CONTROLLER v 0 127 6 The Sequencer P...

Страница 42: ...mitones 7FH 7FH RPN RESET RPN numbers will be left not designated The internal values are not affected N REGISTERED PARAMETER NUMBER There are no applicable parameters TEM REAL TIME MESSAGES ACTIVE SENSING STATUS 11111110 FEH Transmitted at every 200 msec Once this code is received the instrument starts sensing When no status nor data is received for over approximately 350 ms MIDI receiving buffer...

Страница 43: ...ages equally affect the entire notes ALL SOUNDS OFF clears all the sounds in the specific channel s played by both the keyboard and the data via MIDI ALL NOTES OFF received via MIDI clears the sounds in the specific channel s played via MIDI SEQ KBD TG MIDI In MIDI Out From Host To Host Local Sw HOST MODE PC1 PC2 MAC SEQ KBD TG MIDI In MIDI Out From Host To Host Local Sw HOST MODE MIDI ...

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