Yamaha TX216 & TX816 Service Manual
Contents
1. Notes SP Scale o ds de 1 OMNI ON POLY Mode 2 OMNI ON MONO Ves X OMNI OFF POLY Mode 4 OMNI OFF MONO x NO ag aa DIAGRAM 5 211 5 YOLVEZNIO A zu 19 ojoyd OQ T LNO NI 10921 ino INN 2 of oNI amp LOTS LNO 5 3WvHJ ADVE 101 3HW 12313S 19 cre 3 a ON 1931083 2 2 lo AHOW3W 7 1091 S3A 0 Nowwoo Em 7 o lo J TUUS PUN 40044 tous 0 NI lanae I du EL es ee DU cm JOJDI3UI auo wj 144 27 1 216 816 CIRCUIT BOARDS amp ELECTRICAL PARTS Part No Description 8 5 Remarks 181 138110 DM Circul Board __ 92190 460 FZ 00 411 Hi 136422 FP 33 71 0 GE 30 06 1 7 94tE X UK 44 64 70 Bipolar Electrolytic 4 7 F 25 P gt ef gt J gt gt N r N Nr INA gt 13 81 00 00 16V FT 55 21 20 Polypropylene 120pF SOV2. After Key s x x Touch Ch s x 0 Pitch Bender x 0 2 1 x Modulation wheel i 2 x Breath control 4 x Foot controller Control 5 x Portamento time 6 x Data entry knob t Change 7 x Uolume 2 64 Sustain foot sw 65 x Portamento f su 96 x 0 Data entry 1 97 x o Data entry 1 AA A ew ree Prog 8 127 True XXXXXXXXXXXXXX 0 31 2 mmm System Exclusive o Voice parameters m ae e ae oa me a a e e eae aae e T System Song Pos x x Song Sel x x Common Tune PY x 2 System Clock BOX x Real Time Commands x x crues mere R qmm A dn qoc etenim AS a Aux Local ON OFF x 4 2 A11 Notes OFF x x Mes Active Sense x 0 sages Reset x Xx 2
3. eooeso n ares 01 jx 00670 fzsaiis2 _ Q2 ieooeso n j 90 or sano n fesen 03 9 sooeso rT mkss lr v ________ c jia pera ws c __ oso 180 07 10 Photo Conductor PCS zat 72 moorzo Wae ________ Tes 47 2 Jero 8007 0 SCR ll Y EL RV1 HX 80 02 110 Trimmer Potentiometer 22 301 y y 23000 ozs cs Fa 15 52 20 Metalizod Paper Cap O2z F 2804 p v FT 17 51 00 Polyeropyiene _ O F 100v M y 7a av ess arro ___ ____ o To o T mr 0 8002130 Mera Fim Resistor amp fae puoro n wa vaw gt ms usr220 www _ jen Re Muorese vaw wr 190 vw t ns muore _ O e 7 10a aw _ J Le ama vw id de m2 __ ____ e __ ____ vaw or sea um pns TE C wr
4. LB 00 90 4 18 101130 Contact Pn 30 07 1 ojo X Z FZ74 v b2s422 ZIF V type Hype O 92200 2 711 c pr Semiconductive Ceramic Cap 16 ke 5 23 3 5 8 iG 05100 QU 00 52 00 Quarz Crystal Ut 9 4265MHz x m m B 1 LB 60 31 30 Connector Base Pin 12 a425 zEv NH 0 LB 60 81 20 Connector 8P ___ _____ 08 160 761001 n 20h ____ 2 33 01 06 Bind Head Tapping Sew 3x10 MA a EP NA 81 38 30 Circuit Board 92210 EAS LB 02 12 2 LB 60 73 6 8P LB91 80140 Connector Base __ 4 16 Ojo o O C3 o o o 81 38 20 FZ 100 41 1 22 22 9 8 FZ 100141110 Semiconductive Ceramic Cap 14F 16V Bf 4 5 gt GE 30 06 00 Ferrite Bead 715 iF 00 00 40 Diode f 4 4 iF 00 74110 LED Digital Diplay __ amp Z4 FLED __ ________ Hermes Tir morasos HermenerwihoC ccm 8 gt aad _ 07415138 310 8 Line Decoder 7427 _____ 10 7 sogment Decoder 7 49
5. FM Tone Generatorx8 120 V 160 Hz 100 120 220 240 V 50 60 Hz 70 w 480x176x346 mm 18 7 8 x6 15 16 x13 5 8 WEIGHT STANDARD ACCESSORIES 10 kg 22 lbs MIDI cable 5m 16 4 ft 11 Socket wrench MIDI RACK FRAME TERMINALS MIDI IN MIDI OUT MIDI THRU 5 DIN CONTROLS Power ON OFF MIDI Out Slot select MASTER CLOCK RATES 9 4265 MHz DIMENSIONS 486x 176x346 mm WxHxD 19 1 8 x6 15 16 x13 5 8 WEIGHT 8 kg 17 Ibs 10 oz 1 TFI SOUNDSOURCE FM Tone Generator 6 Operators Polyphonic 16 first note priority OUTPUT Monophonic last note priority INTERNAL MEMORY 32 program 32 voice 32 function PANEL CONTROLS Individual Common or YES 1 Memory Protect ON OFF or Mode Select Individual Common Memory Protect Parameter Change Error NUMERIC LED DISPLAY Program number numeric data etc MIDI IN MIDI THRU 5 pin DIN Line Out XLB 3 32 type OUTPUT LEvEL 10 dBm 600 ohms SIMULTANEOUS NOTES LEDS TERMINALS DIMENSIONS 480x176x346 mm WxHxD 18 7 8 x6 15 16 x13 5 8 WEIGHT 600 1 165 5 oz STANDARD ACCESSORIES MIDI Cable 5 5 ft 11 Socket wrench All specifications are subject to change without notice MIDI cable 11 5 m 5 ft x2 12 kg 26 165 6 oz 1 MIDI cable 5 5 ft x8 MIDI cable 5m 16 4 ft 11 Socket wrench ERROR DISPLAYS Anumber of error displays are built into each 1 to let you knowif any internal problems are occurring Th
6. o E ee t 700 x o ______ A T dwe ooseso Gewdtug MS wsr x39 11 00 8 20 15 30 Fuse Holder Pin ta x amp s evz 00 __ ma um cr RED FT ftp 3011470 canar _ la P amp v 7 8 yp A TEA SOS RUNE SES PEDIA ENG Spry Unt __f_f mas 2p poe ___ 20 ____ eee xx 80 29 10 Transformer 39001118 poso 29 20 Choke 56 02 3009 2 24 foj 212 loss 2 _______ 1 ot ix 80 08 10 Bridge Rectifier 54 40 zsvos4s r _ T 50 D2 55 00 50 Diole 15963 EAS O eee ITUR 000250 106 7 00 02 70 ft besn x 18010620 n ws ____ 012 1800630 jESAC82 004 es 773 ora fix 18010640 1854083004 nm 1 15510260 _____ 0 Y 0 04 5 iF 0017 00 Zener RDiSEB2 vsr s44 F J _ joto 019 fi _ Imdexpg 020 2 0212
7. bestest DIN gt LIN o o e N 5 gt o ojo n n i n iG 04138 0 S u gt 8 gt gt o eo N B o olo nom ele 5 2 amp amp 2 90 34 oluTu Alla M o D A Converter System Reset Dual OP Amp OP Amp Hex Inverter Schmitt o o ao o olo a e o e o Trigger m e e gt e TC74HC14P YM2128 N N 8 y EB 4 21 29 00 YM2129 EGS iK 00 02 60 Photo Conductor P873 G35 2018 72 79 070 A 8 o gt ___ O Ceramic Oscillator 5 n y O Lithium Same CR2O33T 2 XNew Parts WARA 272 Japan only x D 1 1 1 1 1 1 1 1 4 4 D D t D D D 1 1 1 1 1 D 1 i t D D D 1 1 1 0 1 1 1 4 1 D D D 4 1 1 1 D ale 818 ola plo 28 29 gt 00 13 00 Relay 82 12 ae ENS X Ref ere Common Description i d Remarks Model 572 KA 90 69 30 Momentary Key Switch LB 50 O5 20 DIN Jack piN v2 MD X LB 301 23 4 XLB 3 32 LINE OUT LB 60 73 30 IC Socket 28
8. cea ume cipe e X New Parts FAA 2772 Japan only 30 572 Markets 2 2 Japan only Remarks M X 4 R It te REM GE TC 2W 1W 10W t X gt b iE X 1 4W 3300 330 1000 2200 1 15 1000 2 2kn 100 0 470 0 050 Description HU 07 61 80 Metal Film Resistor 1 8kn 1 4W Metal Oxide Film Resistor HM 57 41 00 Wire Wound Resistor 00 29 60 HZ XNew Parts MINE E 31 BEXPLODED VIEW 32 22 o9 Part No Description Remarks Markets 2577 EX 80 04 90 Bolt with Hexagonal 3x6 X ARKI t EV 20 30 36 Flat Washer ED 33 00 66 Bind Head Screw _ 6 8l EV 41 30 36 Toothed Lock Washer A3S BI 80 99 20 TF1 Panel BA 81 02 00 Blank Panel A 83 49 80 Filter LED NA 81 38 10 DM Circuit Board 92190 CB 06 88 80 Plastic Rivet 4 TF 1 4 v 7 BORNE p ol aa A eee 572 116 216 DAE BERE 7 oio gt 79 2 x 10 8183164 Push Button x el 2 eo 3301 06 Bind Head Sxi0 al lt a gt _ Bis 93122201781
9. 15 100 coimisoo niede 4 4 Kv es 7 s0 9960 mi a o es 18 ce 8 29130 5 Locking Card _ ono Pusheunon ___ 7 a42 foio 20 18 130111150 Connector Housng SP Rei a zs v vz e z us 10 larsz2re 710 22 18 50 02 40 Connector Housing __ gt fool s ee 25 es Comacthin ____ ar 2tev ew 26 3 00166 Head sow sx wn zr vsono ls 0 fol oaa mune he 725 8 13410086 Fet Head Serw 4x8 8i m 709 xo _____ A lee Car 3oros BndHedSces ao yuan por ev 41130 46 faas 8 a amp 0 MRF Pana a x 34 a 90 rior LED pa 735 cs 6192 00 Swich Escutcheon feo 736 m gt 37 Presso O T bo 738 AA Blank Panel 8 Ta 0 739 np 8090700 PowerSuppivunt _ ______ O pue feo Sid ST e 40 wGoooeno
10. 9 2 h 0 mm 64 POLY MONO 0 PITCH BEND RANGE 0 12 PITCH BEND STEP 0 12 0 PORTAMENTO MODE PORTAMENTO GLISSANDO PORTAMENTO TIME MODULATION WHEEL SENSITIVITY MODULATION WHEEL ASSIGN FOOT CONTROLLER SENSITIVITY FOOT CONTROLLER ASSIGN BREATH CONTROLLER SENSITIVITY BREATH CONTROLLER ASSIGN AFTER TOUCH SENSITIVITY AFTER TOUCH ASSIGN 0 EFFECT SENSITIVITY Data received over a range of 0 99 is in the memory on a scale of 0 15 44 DX9 Function Parameter Change 0 3 h 0 MASTER TUNE POLY MONO PITCH BEND RANGE PORTAMENTO MODE PORTAMENTO TIME MODULATION WHEEL SENSITIVITY MODULATION WHEEL ASSIGN PITCH MODULATION WHEEL ASSIGN AMPLITUDE MODULATION WHEEL ASSIGN EG BIAS BREATH CONTROLLER SENSITIVITY BREATH CONTROLLER ASSIGN PITCH BREATH CONTROLLER ASSIGN AMPLITUDE BREATH CONTROLLER ASSIGN EG BIAS 4 5 TX Function Parameter Change 9 4 h 1 Parameter ves 0 1 2 3 4 5 NOTE LIMIT LOW 6 NOTE LIMIT HIGH 7 TF MEMORY PROTECT OFF ON 8 TEST PROGRAM ENTRY FOR 9 TF MIDI IN INDIVIDUAL FACTORY TEST 0 TF MIDI IN COMMON 18 TX216 TX816 4 6 1 Voice Buik Data 155 bytes of data The arrangement of this data is the same as in diagram 4 1 parameters O thru 154 4 7 1 Performance Bulk Data f z 1 0 VOICE A POLY MONO VOICE A PITCH BEND RANGE VOICE A PITCH BEND STEP VOICE
11. P eSueyCos m 3 a F D o id L p Wes 742 9840 Ac 49220 _ eszno x n Jw rase 43 a amp 7 e pazo YO KM EIN CLON 18 X New Parts MALE A TAZIO FAGIO 5 lo o gt h BIETER HESSE E ee Japan only Market 272 Common Model Remarks Accessory Y gt 2 4 FIESTA 7221 0 MIDIS 7 3 6 Description B Bor2750 0 __ 544 GE 300730 UneFite SC up oad 80 33 60 X 90 09 MIDI Cable 50 Allen Wrench 81 12 30 Cord Stopper ojojo New Parts 34
12. a power supply unit MIDI IN OUT and THRU jacks and MIDI out slot selector When the TF1 INDIVIDUAL LED is on the TF1 receives an MIDI message through the TF1 rear panel MIDI IN If the COMMON LED is on the TF1 receives messages through the front panel MIDI IN The MIDI OUT transmits a TF1 MIDI message with a number which is dis played on the OUT SLOT LED The power supply unit is very similar to the one used in the DX1 2 TF1 circuit The TF1 MPU is HD6303X This MPU contains Asynchronous Communications Interface Adapter ACIA I O port and RAM The is used for MIDI message transmission reception and the I O port is used for switch on off detection and LED lighting The FM tone generator 55 EGS and OPS are the same as those used in the DX7 2 1 MPU HD6303X e Vcc and Vss Vcc represents 5V supply voltage and Vss represents a GND terminal e XTAL and EXTAL 4 MHz crystal resonator is connected between these two terminals The 4 MHz clock is divided by four and becomes a 1 MHz system clock e and MP These terminals are used to set the MPU operation mode that is High and MP e RES This terminal is used to reset the MPU e STBY This terminal is used to set the MPU in a standby mode However this is not used in this circuit and its fixed to High logic level e This is nonmaskable interrupt terminal However this is not used in this circuit and its fixed t
13. and the MIDI message is input from the panel MIDI IN jack to port The received MIDI message is written in the intra MPU ACIA receive shift register 216 1 816 2 4 MIDI OUT Low logic level is input to the MPU port Ps with the panel OUT SLOT switch the MIDI message which is read by the intra MPU ACIA transmit shift register is output from port P24 and then sent to the front panel MIDI OUT jack 2 5 Digital to analog D A converter MPU Port 6 8 bits of data is converted into an analog current by the C10 and into an analog voltage by the 1C32 This analog voltage is generally used to drive the level attenuator photocoupler but in the case of the UTILITY mode it is used for comparison with battery voltage so that the backup battery voltage can be displayed The current through the photocoupler LED will then be reduced instantly But this poses no problems with audibility due to slow photocoupler response speed 2 6 Address decoder and address map The 1 13 7415138 decoder decodes higher order 5 bits of the address and selects ROM or I O ICs address map is listed below 0000 001F Intra MPU register 0040 00FF Intra MPU RAM 4000 47FF RAM 1 IC5 4800 4F FF RAM 2 IC6 5000 57FF RAM 3 5800 5FFF RAM 4 IC8 6000 60FF EGS IC2 6800 6801 OPS IC3 77FF Display data latch 1C11 7800 Display data latch 1C12 000 ROM 1 4 2 7 Tone generator The intra EGS registers are
14. f Outputs Buffer f Outputs 1 1 Performance Bulk Data function data in the 2 64 Performance Bulk Data all function data programs 1 thru 32 in order Fh i Outputs 1 thru 32 9 32 Voice Bulk data Edit from all voice data from programs Formatting for the above is the s me as for input f 125 Condition Acknowledge Status 11110000 I D 01000011 Sub status Ch 00000000 Format Number 01111101 Byte Count 00000000 Byte Count 00010000 Data Check Sum Oeeeeeee EOX 11110111 b Output in the Program Change sub mode When you select a program using the front panel keys the corresponding voice and function data will be output in the following order 1 1 Performance Bulk Data 2 1 Voice Bulk Data c Output in the Dump sub mode Data is output in the following order when you press the YES key 501 1 32 Voice Bulk Data 2 64 Performance Bulk Data 14 1X216 TX816 4 SYSTEM EXCLUSIVE DATA FORMAT 4 1 DX7 Voice Parameter Change 9 0 Sub group Parameter Number h Number Parameter Data Notes 0 0 yn 129 130 131 132 133 134 135 136 9 137 10 138 11 139 12 140 13 141 14 142 15 143 16 144 17 145 1 26 154 NAUN 6 1 6 EG RATE 2 6 3 OP6 EG 4 OP6 EG LEVEL I OP6 EG LEVEL
15. into 4096 bytes of data sent into the 1 memory It can only be input when the Memory Protect is OFF When data is input the Memory Protect LED will light for about 2 seconds The voice data for all 32 progams will be changed 2 5 2 Parameter Change Status I D Sub status Ch Parameter Group Number Parameter No EOX 11110000 01000011 0001nnnn oggggghh 11110111 0 1 0 127 2 green Parameter Change LED will flash when data is received and voice or function data in the Edit Buffer will be changed 3 f 2 5 3 Dump Request Status I D Sub status Ch Format Number EOX 11110000 01000011 0010nnnn Offfffff f 0 1 11110111 125 The corresponding bulk data will be dumped through the MIDI OUT terminal 3 OUTPUT DATA Data is only output when a dump request signal is received from an external source or by direct panel switching Since the only output is the COMMON MIDI OUT terminal you must select the OUTPUT SLOT number corresponding to the number of the module from which you are outputting data Data is always sent via MIDI channel 1 and consists of voice and function data in System Exclusive 3 1 Output Conditions a Output for Dump Request The following five kinds of data dump can be done according to the selected format number O 1 Voice Bulk Data Outputs voice data in the Edit Buffer
16. selected by addresses AO through A7 and data to produce sound is written into each register The EGS terminals E1 through E12 send envelope data to the OPS and the F1 through F14 terminals send frequency data to the OPS Data which is output from the OPS terminals DA1 through DA12 is converted into an analog current by the D A converter and into an analog voltage by 1 24 The intra OPS output register consists of 16 bits However because a 12 bit D A converter is used the OPS outputs shifted 12 bit data in case of a lower level This means that lower level bits are expanded and output from the 1C24 Then 26 returns the expanded level to the original level by switching to different points of the resistive ladder The output of C25 does not form a complete waveform This waveform is divided into two parts by the 1 27 and 1C28 to be sampled and held and then mixed by IC30 to form a stair step waveform This waveform then passes through the low pass filter to form a complete analog signal This analog signal is output from the XLR connector through the photo coupler level attenuator and electronic balanced circuit 3 MIDI rack main frame circuit The MIDI rack main frame cireuitry consists of the MIDI out slot switching circuit clock generator and power supply 3 1 Out slot switching circuit Pressing the 1 switch main frame front panel increments the count data of 7415293 counter 2 74LS138 decoder decodes this data to selec
17. 000 When COARSE 0 I 2 cr ie a te 34 Frequency 1 000 1 02 1 007 ro 1 0 10122 1 259 1 585 3 162 3 772 X5 DETUNE i A aa 38 ER atune r e s a4 sp z erj e a sas es X6 LFO WAVE NES NAME ANNE EFE SOHO nb ll WAVE TRIANGLE SAW DOWN SAW UP SQUARE SINE SAMPLE HOLD PS ed f x Bit Map 0 717 0 O U m 2 gt 2 m m 7 1 gt 4 2 2 Tm Rr 0 4 2 DX Performance Parameter Change 9 1 h 0 Parameter Data SOURCE SELECT POLY MONO PITCH BEND RANGE PITCH BEND STEP PORTAMENTO TIME PORTAMENTO GLISSANDO PORTAMENTO MODE e gt MODULATION WHEEL SENSITIVITY MODULATION WHEEL ASSIGN FOOT CONTROLLER SENSITIVITY FOOT CONTROLLER ASSIGN AFTER TOUCH SENSITIVITY AFTER TOUCH ASSIGN BREATH CONTROLLER SENSITIVITY BREATH CONTROLLER ASSIGN AUDIO OUTPUT LEVEL ATTENUATOR MASTER TUNING PORTAMENTO MODE 0 sustain key pitch retain sustain key pitch follow X2 EFFECT ASSIGN me ee POE s ASSIGN taBas AMPLTUDE PITCH x 3 SOURCE SELECT o Selects MIDI receive channel 1 to 16 8 e 4 3 Function Parameter Change
18. 2 OP6 EG LEVEL 3 OP6 EG LEVEL 4 6 KEYBOARD LEVEL SCALING BREAK POINT OP6 KEYBOARD LEVEL SCALING LEFT DEPTH OP6 KEYBOARD LEVEL SCALING RIGHT DEPTH OP6 KEYBOARD LEVEL SCALING LEFT CURVE OP6 KEYBOARD LEVEL SCALING RIGHT CURVE OP6 KEYBOARD RATE SCALING OP6 AMPLITUDE MODULATION SENSITIVITY OP6 KEY VELOCITY SENSITIVITY OP6 OPERATOR OUTPUT LEVEL OP6 OSCILLATOR MODE OP6 OSCILLATOR FREQUENCY COARSE OP6 OSCILLATOR FREQUENCY FINE OSCILLATOR DETUNE PITCH EG RATE PITCH EG RATE 2 PITCH EG RATE 3 PITCH EG RATE 4 PITCH EG LEVEL I PITCH EG LEVEL 2 PITCH EG LEVEL 3 PITCH EG LEVEL 4 ALGORITHM SELECT FEEDBACK OSCILLATOR KEY SYNC LFO SPEED LFO DELAY LFO PITCH MODULATION DEPTH LFO AMPLITUDE MODULATION DEPTH LFO KEY SYNC LFO WAVE LFO PITCH MODULATION SENSITIVITY TRANSPOSE VOICE NAME 1 j VOICE NAME 10 6 Concert pitch at 24 28 156 OPERATOR SELECT 0 5 x 8 216 816 BREAK POINT 04 frequency ratio 4 fixed frequency x4 FREQUENCY COARSE FINE i For Frequency Ratio When FINE 0 coarse o 0 ereauency ratio os 2 3 When Coarse 1 fe PINE 50 287 FREQUENCY RATIO 1 00 1 01 1 02 1 03 1 10 1 50 1 99 ii For Fixed Frequency When FINE 0 coarse o 1 3 4 5 7 rmEauEwcvtu 1 10 wo we 1 10 100 wm 1
19. 7 n 3 gt FT 55 24 70 470pF 50 HU 07 55 60 Metal Film Resistor 5600 1 4W R k M 7 1 HU 076100 1 4 BEEN EGER i 1 li ojo o U W N o ojo Nin o HU 07 62 00 2100 31190 Module Resistor 4 7knx8 _ a Hi 20 99 90 Trimmer Potentiometer 10Ma_ Y v F V R Hri3700 80 n 82a 11011577 ic 11811580 n ________ 2S C18181Y GR ic 12120014 252200 iF 100 34 50 Diode 7 199133 9 100156140 045 iF i00 84 10 LED SLC 22VR3 L iF _________ 22 03 iF 00 74 10 LED Digital Display LA 301VB TEA LED 9o IC ola ig 044200 op HATMOB eres 4 CUTE CEA CAES Photo Conductor olo o res vr D 2 4 2 8 A o N o YELLOW E o o gt 1 1 i 1 1 D i 4 1 0 ES o Quad 2 Input AND Dual D Type Flip Flop Hex Inverter Quad 2 Inqut OR 3 to 8 Line Deceder Octal D Type Flip Flop Hex Inverter with DC 8 Bit MPU Hex Buffer 15V OC Comparator OP Amp 16k S RAM 12 Bit DAC Clock Buffer OP Amp 4 1 o lolofolol 1 213141 5885
20. 7482832 iG 14 41 00 iG 11 54 00 4 Bit Full Adder a o N g 4 Bit Binary Counter as gt Y o 05 03 00 7 HD74Ls293P 00 04 70 Photo Conductor TLP552 90169 Momentary Key Switch T o o DIN Jack 60 03 60 CANET CA 50 03 70 Connector Bas Pin sP 29 lt 6 soson fe 1 50 50 Spacor soor ric x 182 50 90 Ground Sheet x X 52220 2 Board a o 3 5 cic er _ 1 4 4 4 n Ceramic ___ 0 00224F ACTAS 2 c c i 38 32 20 i 38 34 70 AC 14700 Multiple Components 0 022 250V 0 047 2954 73 722 cu sc e o gt e g N ol A o o 5 amp 9 LJ 71 2 c c 3 7 estu as X New Parts NINA SA 5y Japan only o M 1 D 1 1 1 1 1 i 1 i 1 1 ES gt do o o olio o o o pn gt
21. A PORTAMENTO TIME VOICE A PORTAMENTO GLISSANDO VOICE A PORTAMENTO MODE on nok WN VOICE A MODULATION WHEEL SENSITIVITY VOICE A MODULATION WHEEL ASSIGN VOICE A FOOT CONTROLLER SENSITIVITY VOICE A FOOT CONTROLLER ASSIGN VOICE A AFTER TOUCH SENSITIVITY VOICE A AFTER TOUCH ASSIGN VOICE A BREATH CONTROLLER SENSITIVITY VOICE A BREATH CONTROLLER ASSIGN VOICE A AUDIO OUTPUT LEVEL ATTENUATOR VOICE MEMORY SELECT FLAG PERFORMANCE NAME PERFORMANCE NAME 2 j PERFORMANCE NAME 29 PERFORMANCE NAME 30 48 64 Performance Bulk Data f 2 Data are listed in order for the 64 performances in units of 64 bytes 64 per performance The 1 uses the first 32 performances Address 6 5 4 3 2 1 0 Parameter Data Parameter VOICE A POLY MONO VOICE P BEND STEP PITCH BEND RANGE 2 VOICE A PORTA TIME 3 VOICE A PORTA MODE PORTAMENTO GLISSANDO 4 VOICE A MOD WHEEL ASN MOD WHEEL SENS 5 VOICE A FOOT CONT ASN FOOT CONT SENS 6 VOICE A AFTER TOUCH ASN AFTER TOUCH SENS 7 VOICE A BREATH CON ASN BREATH CON SENS 8 9 10 11 12 13 14 VOICE A ATTENUATION 15 VOICE A PITCH B STEP 16 31 32 VOICE MEMORY SELECT KEY ASSIGN MODE 33 34 PERFORMANCE NAME 63 PERFORMANCE NAME30 With the Key Assign in Single mode KMOD 0 Voice B are loaded with VMS Data 0 12 0 0 15 0 15 0 15 0 15 0 2 20 6 TX816 4 9 32 Voice Bulk Data f 9 Data
22. FM TONE GENERATOR SYSTEM 1 216 1 816 SERVICE MANUAL TX816 CONTENTS IMPORTANT NOTICE TEST PROGRAM 9 DIMENSIONS 1 TX816 MIDI DATA FORMAT 10 23 SPECIFICATIONS 2 CIRCUIT BOARDS Parts Side 24 26 ERROR 5 2 DIAGRAM 27 PANEL 3 PARTS LIST 28 34 TX816 BRIEF DESCRIPTION 4 6 SCHEMATIC 35 36 TX816 FLOW CHART 718 YAMAHA NIPPON GAKKI CO LTD HAMAMATSU JAPAN 75k 304 Printed in Japan 85 2 B IMPORTANT NOTICE IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel It has been assumed that basic service procedures inherant to the industry and more specifically Yamaha Products are already known and understood by the users and have therefore not been restated WARNING Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury destruction of expensive components and failure of the product to perform as specified For these reasons we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the appointed service representa
23. Pressure 2 2 6 Pitch Bend Status 1110nnnn Value LSB Ouuuuuuu Value MSB Ovvvvvvv 8 bits resolution MS 8 bits are recognized 2 3 Channel Mode Message Status 110innnn Occccccc Ovvvvvvv 124 V 0 Omni Mode OFF ALL NOTES OFF 125 V 0 Omni Mode OFF ALL NOTES OFF 126 V 0 Mono Mode OFF ALL NOTES OFF 127 V 0 Poly Mode OFF ALL NOTES OFF Omni status ON OFF is controlled on the front panel in the Omni ON OFF sub mode and has final priority Changes in mode are accompanied by a compulsory voice dump and cleaning of the Key Assigner 2 4 System Real Time Message Status 11111110 Active Sensing When this code is received sensing begins If neither status nor data is received over an interval of 300 mS the TF1 will stop sensing after first dumping all voices and clearing the Key Assigner 2 5 System Exclusive Message 2 5 1 Bulk Dump i 1 Voice Bulk Data Status 11110000 I D 01000011 Sub status Ch O000nnnn Format Number 00000000 Byte Count 00000001 Byte Count 00011011 Data Check Sum EOX Oeeeeeee 11110111 821 57 155 bytes of voice data sent 0 to 127 This format is for the input of the data of a single voice The green Parameter Change LED flashes when data is received The 155 bytes of voice data go into the Edit buffer replacing any existing data there ii 1 Performance Bulk Data Status I D S
24. RSION SOFTWARE REVISION CONDITION DATA CONDITION DATA 2 RECEIVE CH CONDITION DATA 3 BATTERY VOLT CONDITION DATA 4 PERFORMANCE ECHO BACK MODE COMPUTER COMMUNICATION MODE VOLUME CONTROL BY DATA ENTRY LEVER CONTROL CHANGE RECEIVE OMNI MODE MEMORY PROTECT DATA ENTRY RECEIVE x2 1 for Program Change sub mode only at all other times 1 unit 0 1 volts 22 FM tone generator Date 6 16 1983 Model TF1 MIDI Implementation Chart Version 0 1 ap am me lt um ua rue nm amo aab MAR aem Ve wes ema mew cum Pm ume ian Transmitted Recognized Remarks Function AAA A A A mm me e A SSS SSS PE SSS Se Basic Default 2 4 2 1 16 X X memorized Channel Changed x 1 16 4 Default lt 1 2 3 4 2 Mode Messages x POLY MONOCM 1 OMNIon OMNIoff not altered 2 Note x 8 127 Number True voice XXXXXXxxxxxx x 8 127 2 Velocity Note ON x Note OFF x x
25. T MODE program change 580 506 580 560 580 561 MEMORY PROTECT S ON FO 43 00 02 SFO 43 00 09 OFF SFO 43 00 00 SFO 43 00 01 43 10 SFO 43 20 580 70 80 70 580 7E 580 7F ACTIVE SENSING NOTE OFF NOTE ON MOD WHEEL BREATH CONTROL FOOT CONTROL PORTAMENTO TIME VOLUME SUSTAIN SWITCH PORTAMENTO SWITCH PROGRAM CHANGE AFTER TOUCH PITCH BENDER DATA ENTRY INCREMENT DECREMENT 64 PERFORMANCE BULK 32 VOICE BULK VOICE BULK PERFORMANCE BULK PARAMETER CHANGE DUMP REQUEST OMNI OFF OMNI ON MONO POLY X216 TX816 2 RECEPTION DATA NOTE The meaning of letters used in byte numbers will only be given once to save repetition For example the letter n in byte number 1000nnnn Key Off Status means MIDI channel number and will mean the same when it appears in all other byte numbers Reception Channel and Omni hen the 1 is in the Play mode you can the keys the front panel to set the IDI input channel from 1 to 16 and switch the Omni function on or off The Omni function permits the TF1 to receive MIDI signals on all of the 16 channels The MIDI channel and Omni settings are memorized by the TF1 and will not change even if the power is turned off 2 2 Channel Voice Message When MIDI channel voice messages are received either the INDIVIDUAL or the COMMON LED will rapidly turn off then on depending on whet
26. are listed in order for the 32 programs in units of 128 bytes Address 6 5 4 3 2 1 0 Parameter Data Parameter Data 0 OP6 EG RATEI OP6 EG RATE2 2 OP6 EG RATE3 3 OP6 EG RATE4 4 OP6 EG LEVEL 5 OP6 EG LEVEL 2 6 OP6 EG LEVEL 3 7 OP6 EG LEVEL 4 e 8 SCALING BREAK P g SCALING LEFT DEPTH e 10 SCALING RIGHT DEPTH SCALING RIGHT CURVE LEFT CURVE 12 OSCILLATOR DETUNE RATE SCALING 13 KEY VELOCITY SENS AMPLITUDE MOD SENS 14 OUTPUT LEVEL 15 FREQUENCY COARSE OSCILLATOR MODE 16 FREQUENCY FINE 17 33 34 50 51 f 67 68 84 e y 101 e 102 PITCH EG RATE 103 PITCH EG RATE 2 104 PITCH EG RATE 3 105 PITCH EG RATE 4 106 PITCH EG LEVEL 107 PITCH EG LEVEL 2 108 PITCH EG LEVEL 3 109 PITCH EG LEVEL 4 110 ALGORITHM SELECT OSCILLATOR KEY SYNC FEEDBACK 112 LFO SPEED 113 LFO DELAY 114 LFO PITCH MOD DEPTH 115 LFO MOD DEPTH WE 116 LFO PITCH MOD SENS pe SYNC 117 TRANSPOSE 118 VOICE NAME 1 119 VOICE NAME 2 120 VOICE NAME 3 o 121 VOICE NAME 4 122 VOICE NAME 5 e 123 VOICE NAME 6 124 VOICE NAME 7 125 VOICE NAME 8 126 VOICE NAME 9 127 VOICE 10 21 4 10 Condition Acknowledge f 125 400 WN 1 216 816 CLASSIFICATION ASCII L CLASSIFICATION ASCII M CLASSIFICATION ASCI LJ CLASSIFICATION ASCII LJ MODEL NAME ASCII 8 MODEL NAME ASCII 9 MODEL NAME ASCII 5 MODEL NAME ASCII 0 MODEL NAME ASCII LJ MODEL NAME ASCII LJ SOFTWARE VE
27. ata bus This is a bus available terminal will outputs High logic level when the MPU receives a HALT command and the buses become available This terminal is not used in this circuit e LIR This terminal indicates whether the command operation code is loaded in the data bus This terminal Is not used in this circuit e R W This outputs a High logic level when the MPU is in the read mode and a Low logic level when the MPU is in the write mode e WR This outputs a Low logic leve when the MPU is in the write mode e RD This outputs Low logic level when the MPU is in the read mode e This is an enable terminal to output the system clock 2 2 System reset When power is on 1 20 PST518 generates a system reset signal Pin 12 1C20 outputs a RES signal and Pin 10 1 20 outputs a RES signal The RES signal is sent to the EGS the battery backup circuit and the output muting circuit 2 3 MIDI IN The MIDI IN is provided with a rear panel INDIVIDUAL MIDI jack and a front panel COMMON MIDI jack If the MIDI IN is switched to INDIVIDUAL with the INDIVIDUAL COMMON switch the MPU port 1 will be Low and LED 1 will light Simultaneously the MPU port will be Low and the MIDI message which is input to the panel MIDI IN jack will be input to the MPU port P23 If the MIDI IN is switched to COMMON port P 4 will be Low and LED 2 will light And simultaneously port P will be High
28. ccessively 6 TEST3 read write test When you enter this test the display leads 75 When this test is conducted the internal memory is not erased OK Thegreen indicator paramenter change LED lights Error The red indicator error LED lights and the error number is displayed on the LED display 7 TESTA Auto scaling When you enter this test the display reads 5 Scaling C through Cg is repeated At the same time a voice message is output from the MIDI OUT in a pitch higher by 2 notes Check the input output function of the MIDI signal The signa is output on the MIDI OUT only when the OUT SLOT number is set to the appropriate TF1 module OUT SLOT SLOT 2 test COMMON test The COMMON INDIVIDUAL LED indicator of the module which receives the channel voice message flashes COMMON INDIVIDUAL can be switched by the SELECT button 8 5 5 Photocoupler When you enter this test the display reads Check whether the level can be changed by the SELECT button as listed in the following table OUTPUT LEVEL Output 4 14 Reference values indicated in parentheses 816 MIDI DATA FORMAT 1 RECEPTION CONDITIONS This chart shows the all the reception signals that can be received by the 1 All byte numbers are expressed in hexadecimal form FE 80 90 B0 01 B0 02 BO 04 580 05 80 07 40 BO 41 CO MIDI 00 SEO EDI
29. e red Error LED will light and a number will appear in the LED Display to inform you of the type of problem You can cancel the error display by pressing any of the three keys on the front of the module The following chart lists the ten types of errors and how to deal with them ne ERROR DISPLAY REMEDY Data Receive Error Indicates that data has not been properly NEO Receive Buffer Full received Adjust the Bulk Data Check data at the source Sum Error and transmit data agair ROM Hardware Error These errors are all caused by a fault in RAM Hardware Error RAM2 Hardware Error RAM3 Hardware Error RAM4 Hardware Error 10 Trap Error the internal circuitry the and you ill need to contact Your nearest Yamaha dealer 918X1 917X1 TX216 TX816 B PANEL LAYOUT e FRONT PANEL oa LI YAMAHA MEWORY MEMORY T MEMORY o m MIDI RACK Ou a ao PARAMETER O ut Orne O ranon Oteon O ERROR PARA TER EL CHANGE Durat Cangi CHANGE TX816 TX816 p TX216 TX816 _ 816 BRIEF DESCRIPTION 1 816 Configuration The TX816 consists of an MIDI rack main frame and eight TF1 FM tone modules The TF1 is similar to the DX7 excluding the keyboard The TF1 rear panel is equipped with the MIDI IN and THRU jacks and an XLR balanced output connector The MIDI rack main frame is equipped with
30. her the signal is input at the COMMON or INDIVIDUAL MIDI IN 2 1 Key Off IM 1000nnnn n MIDI channel number Note Number Okkkkkkk k 0 note C 2 to 127 note G8 Key Velocity Ovvvvvvv vsignore 2 2 2 Key On OFF Status 1001nnnn Note Number Okkkkkkk k O note C 2 to 127 note G8 Ovvvvvvv O key off 1 127 key on Key Velocity 2 2 3 Control Change Status 1011 Control Number Occccccc 0 127 Control Value Ovvvvvvv v 0 127 a Control Numbers For Fixed Input 1 Modulation Wheel v 0 127 C 2 Breath Control 0 127 3 Foot Control 0 127 5 Portamento 127 7 Volume 0 127 C 64 Sustain Switch v O 127 65 Portamento Switch v 0 127 b Control Numbers For Front Panel Settings These control numbers apply to the following sub modes only Tune Master Pitch Play mode Select Program Number For Edit and Attenuate Output Level Edit mode C Tune Master Pitch Select Program Number for Edit Attenuate Output Level yes ves no v neglect Data Entry 0 127 Increment v neglect In the Select Program sub mode you can alter voice or function parameters selected with Parameter Change in system exclusive ET 2 2 4 Program Change Status 1100nnnn Program Number Ignore the first two bits Select 1 to 32 2 2 5 After Touch Status 1101nnnn
31. o High logic level Port 2 The ports through are used for the following purposes in this circuit out MIDI IN INDIVIDUAL COMMON changeover Pa out INDIVIDUAL LED lighting P22 out COMMON LED lighting P23 MIDI message receiving P24 out MIDI message transmission P25 out MEMORY PROTECT LED lighting out PARAMETER CHANGE LED lighting Pz out ERROR LED lighting 216 TX816 e Port 5 Ports Ps through are used for the following purposes in this circuit Pso Battery voltage detection Ps MIDI OUT slot switching Ps in This is a memory ready terminal to lengthen the E enable clock High period This terminal is fixed to High logic level so the E clock is a normal continuous clock in This is a HALT terminal to stop execution of the command and open the bus This terminal is fixed to High so the halt mechanism cannot be initiated Psa in This is fixed to High logic level because it is not used Pss INDIVIDUAL COMMON switch detection Ps MEMORY PROTECT switch detection in SELECT switch detection Port6 The ports through are connected to the HA17408 Digital to Analog Converter IC10 which outputs the data for the level attendator and battery voltage comparator Bus through 5 represent the address bus and through D represent the d
32. t one of the eight TF1 MIDI OUTs This data is then added with 1 by IC3 74LS283 adder decoded and driven by IC4 74LS247 7 segment decoder driver and displayed on the LED gt 3 2 Clock generator The CB circuit board provides with a 9 4265 MHz clock generator The TX816 divides the 9 4265 MHz clock by two which is then used by the EGS and OPS as 1 and 2 clock sources 918X1 917X1 6 TX816 lt e 816 FLOW CHART display ERROR code POWER ON RESET PORT amp WORK AREA INITIALIZE ROM RAM CHECK N Yes EST PROGRA entry No MIDI receive 1 byte from RX buffer RETURN Yes ACIA interrupt Rx data gt Rx Buffer Tx Buffer gt ACIA TEST PROGRAM Display ERROR code HALT TIMER INTERRUPT PORTAMENTO PITCH EG PANEL SW SCAN display PANEL LED RETURN TX216 TX816 The fundamental structure of the TX816 is exactly the same as DX7 1 Main routine Data stored in the receive buffer is fetched and interpreted one byte at a time through the ACIA interrupt routine When the message is complete an operation which corresponds to it is executed MIDI receive 1 byte from RX buffer The panel switch event which is detected by the timer interrupt routine changes the mode submode and executes the job PANEL monitor Note An initial ROM RAM chack is performed every time the unit is turned on and it is part of the main ro
33. tive IMPORTANT The presentation or sale of this manual to any individual or firm does not constitute authorization certification recognition of any applicable technical capabilitites or establish a principleagent relationship of any form The data provided is believed to be accurate and applicable to the unit s indicated on the cover The research engineering and service departments of Yamaha are continually striving to improve Yamaha products Modifications are therefore inevitable and changes in specification are subject to change without notice or obligation to retrofit Should any discrepancy appear to exist please contact the distributor s Service Division WARNING Static discharges can destroy expensive components Discharge any static electricity your body may have accumulated by grounding yourself to the ground buss in the unit heavy gauge black wires connect to this buss IMPORTANT Turn the unit OFF during disassembly and parts replacement Recheck all work before you apply power to the unit DIMENSIONS 13 5 8 176 6 15 16 Unit mm Inch Specifications TX216 MIDI RACK FRAME TFI FM Tone Generator x 2 CONFIGURATION POWER REQUIREMENTS U S Canadiam odels General model 120 V 60Hz POWER CONSUMPTION DIMENSIONS WxHxD 22W 480x 176x346 mm 1 120 220 240 V 50 60 Hz 18 7 8 x6 15 16 x13 5 8 TX21 6 TX86 TX816 MIDI RACK FRAME
34. ub status Ch Format Number Byte Count Byte Count Data Check Sum EOX 11110000 01000011 0000nnnn 00000001 00000000 01011110 Oddddddd Oddddddd 11110111 A 94 bytes of function data sent This format is for the input of the function data of a single voice The green Parameter Change LED flashes when data is received Out of the 94 bytes sent only the data corresponding to the 1 goes into the Edit Buffer altering the function data of any voice currently in the Edit Buffer 64 Performance Bulk Data Status I D Sub status Ch Format Number Byte Count Byte Count Data 11110000 01000011 0000nnnn 00000010 00100000 00000000 4096 bytes of data sent 32 Voice Bulk Data 1X216 1X816 Check Sum EOX Oddddddd 11110111 This format is for loading function data in to the 1 Memory It can only be input when the Memory Protect is OFF When data is input light for 32 of the data and the function memories of program estinations 1 thru 32 Status I D Sub status Ch Format Number Byte Count Byte Count Data Check Sum EOX his format is for loading voice data only 11110000 01000011 0000nnnn 00001001 00100000 00000000 Oddddddd 11110111 the Memory Protect LED will about 2 seconds Only the first 64 batches of data are function they are loaded in order
35. utine 2 interrupt routine When one byte of data is received in the the interrupt is generated and this routine is initiated Data is read from the ACIA and is stored temporarily in the receive buffer 3 Timer interrupt routine e Realtime sound source control Calculates data such as LFO PORTAMENTO and PITCH EG which vary from moment to moment and loads it to the sound source Panel switch scan Scans the panel switches at a fixed interval and performs auto repeat processing Panel LED drive Performs LED lighting time sharing display and blinking This routine is activated by the built in timer every 2 6 sec x21 6 TX816 PROGRAM 1 To enter the test program the three TF1 panel switches must be depressed and held down during power up The display reads indicating test entry To exit the test program turn the Power off Check whether the common panel out slot is set to 1 2 Depress the YES 1 switch and program will advance to the first test 3 Use the YES 1 switch to increment to the next test Use the NO 1 switch to decrement back to the previous test 4 TEST Output level and pitch check When you enter this test the display reads During Test 1 the module TF1 under test outputs a 440 1 Hz 0 1 Hz sine wave which has an output level of 4 dBm dBm 5 TEST2 LED lighting test The LED indicators and numeral LED segments light su
Download Pdf Manuals
Related Search