Yamaha PSR-170, Service Manual

Page 1: ...AYOUT WIRING 6 DISASSEMBLY PROCEDURE 7 LSI PIN DESCRIPTION 10 IC BLOCK DIAGRAM 11 CIRCUIT BOARDS 12 TEST PROGRAM 15 MIDI IMPLEMENTATION CHART 17 OVERALL CIRCUIT DIAGRAM PARTS LIST This document is printed on chlorine free ECF paper with soy ink 1 412K 355 Printed in Japan 01 05 PK 001652 ...

Page 2: ...s 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 bus in the unit heavy gauge black wires connect to this bus IMPORTANT ...

Page 3: ...e controls Acmp On Off Sync Start Start Stop Intro Ending Main A B Auto Fill Song controls Start Stop Pause A B Repeat Fast Forward Rewind Mel ody Voice Change One Touch Setting 1 style 1 song Multi Pads 4 pads x 10 banks Yamaha Education Suite Dictionary Lesson 1 4 Preset songs 100 songs Amplifier 2 0W 2 0W MIDI IN OUT Auxiliary jacks PHONES OUTPUT DC IN 12V MIDI IN OUT SUSTAIN Speakers 10cm x 2 ...

Page 4: ...u VOICE button i STYLE button o PORTABLE GRAND button 0 METRONOME button 1 DJ button 2 Numeric keypad ON and OFF buttons 3 ACCOMPANIMENT ON OFF A B REPEAT button 4 SYNC START PAUSE button 5 START STOP button 6 INTRO ENDING REW button 7 MAIN AUTO FILL FF button 8 TEMPO TAP button 9 DEMO button 0 MULTI PAD DJ GAME buttons Rear Panel 1 MIDI IN MIDI OUT terminals 2 SUSTAIN jack 3 PHONES OUTPUT jack 4 ...

Page 5: ...STANDBY ON BATTERY 1 5V x 6 AC ADAPTER REGULATOR 3 3V 14MHz GEW 12 SW 5D 3 3D 3 3A A0 19 D0 15 DM LCD PN AM PN AM MK L VR CN201 CN02 IC06 IC02 IC01 IC04 IC04 1 7 2 6 44 47 CL01 REGULATOR 5V TR103 TR101 TR102 VR101 CN106 CN105 CN03 CN04 CN102 CN104 CN202 CN103 CN204 CN101 IC05 IC03 IC101 3 5 11 12 2 2 1 2 SW CN01 CN203 JK101 JK102 MK H KEYBOARD SW MATRIX KEYBOARD SW MATRIX 28CA1 8819401 JK203 JK202...

Page 6: ...CN103 1 PN AM 2 2 CN202 1 9P V719710 WH104 SP PN AM 1 2 CN104 1 Speaker L 2P V719660 WH105 VR VR CN106 1 PN AM 1 2 CN105 1 5P V719680 WH201 MIDI PN AM 2 2 CN201 1 DM LCD CN02 1 6P V719690 WH203 PN1 PN AM 2 2 CN203 1 DM LCD CN01 1 12P V719720 WH204 SP PN AM 2 2 CN204 1 Speaker R 2P V719660 PN AM 1 2 PN AM 2 2 Location Part No Connector Assembly Destination Remarks The parts with in Part No are not ...

Page 7: ...inal Fig 2 Fig 2 Fig 3 1 Lower Case Assembly Time required About 3 min 1 1 Remove the battery cover assembly Fig 1 1 2 Remove the seven 7 screws marked 250 and the five 5 screws marked 260 The lower case assembly can then be removed Fig 1 250 250 250 250 260 260 250 Lower Case Assembly Battery Cover Assembly 260 2 3 Remove the spring terminal by releasing hooks 2 locations for each Fig 3 Spring Te...

Page 8: ...Circuit Board Time required About 8 min 3 1 Remove the lower case assembly See procedure 1 3 2 Remove the twelve 12 screws marked 240A The PN AM 1 2 circuit board can then be removed Fig 4 240 Bind Head Tapping Screw B 3 0X8 MFZN2Y EP600250 270 Bind Head Tapping Screw B 4 0X8 MFZN2Y VP640410 Fig 4 Fig 6 6 VR Circuit Board Time required About 8 min 6 1 Remove the lower case assembly See procedure 1...

Page 9: ...0 Bind Head Tapping Screw B 3 0X8 MFZN2Y EP600250 100 Bind Head Tapping Screw P SP 3 0X12 MFZNBL VZ313100 Fig 8 pushing the hooks of it and slide the black key towards you Photo 1 8 3 When removing the C6 key remove a screw marked 110B and then lift the back of C6 key with pushing the hook of it and slide it towards you Fig 7 eight 8 screws marked 100A The MK L circuit board can then be removed Fi...

Page 10: ...dd Power supply 23 PC1 I O 73 MA2 O 24 PC2 I O Port C 74 MA15 O 25 PC3 I O 75 MA1 O Memory address bus 26 PC4 I O 76 MA16 O 27 PC5 I O 77 MA0 O 28 PD0 I O 78 MA20 O 29 PD1 I O 79 Vss Ground 30 PD2 I O Port D 80 ROMLOEN O OEN pin 31 PD3 I O 81 MD15 I O 32 PD4 I O 82 MD0 I O 33 PD5 I O 83 MD7 I O 34 Vdd Power supply 84 MD8 I O Memory data Input output 35 PE0 I O 85 MD14 I O 36 PE1 I O 86 MD1 I O 37 ...

Page 11: ...6 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 I O I O I O I O I O I O I O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O DB2 DB3 DB4 DB5 DB6 DB7 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 S40 S39 S38 S37 S36 S35 S34 S33 S32 S31 S30 S29 S28 S27 S26 S25 S24 S23 NAME Data interface Common signal output for LCD ...

Page 12: ...rcuit board conponent parts DM LCD XZ643B0 12 PN AM 1 2 XZ644B0 13 PN AM 2 2 XZ644B0 14 VR XZ644B0 14 CIRCUIT BOARDS INDEX DM LCD Circuit Board to MK L to PN AM 1 2 CN102 to PN AM 2 2 CN201 to PN AM 2 2 CN203 Pattern side 2NA V692510 2 Component side ...

Page 13: ...de DC IN 12V PHONES OUTPUT to BATTERY to DM LCD CN04 to PN AM 2 2 CN202 to VR CN106 to SPEAKER L A B REPEAT PAUSE START STOP REW FF ACMP ON OFF SYNC START START STOP STANDBY ON INTRO ENDING MAIN AUTO FULL LESSON L LESSON R OVERALL Dict 2NA V708340 4 ...

Page 14: ...IDI IN OUT SUSTAIN to DM LCD CN02 to PN AM 1 2 CN103 to DM LCD CN01 to SPEAKER R STYLE DEMO OFF 0 RESET ON 7 8 9 4 5 6 1 2 3 PORTABLE GRAND DJ METRONOME 1 2 3 4 VOICE SONG MULTI PAD DJ GAME to PN AM 1 2 CN105 MASTER VOLUME CN106 Component side PN AM 2 2 VR 2NA V708340 4 ...

Page 15: ...m PHONES R 24 5 dBm 2 dB 15 015 Output L Connect the level meter with a JIS C filter to the PHONES jack 33 ohm load Set the MASTER VOLUME at maximum and check the output level 1 kHz PHONES L 24 5 dBm 2 dB PHONES R less than 60 0 dBm 19 019 Noise Connect the level meter with a JIS C filter to the PHONES jack 33 ohm load Set the MASTER VOLUME at maximum Check D A converter noise PHONES L R Less than...

Page 16: ...uire approximately 20 minutes to conduct TABLE 1 1 Dictionary 60 C3 Dict 2 Lesson L 61 C 3 Lesson L 3 Lesson R 62 D3 Lesson R 4 Overall 63 D 3 Overall 5 Song 64 E3 Song 6 Voice 65 F3 Voice 7 Style 66 F 3 Style 8 Grand piano 67 G3 GrandPia 9 Metronome ON OFF 68 G 3 Metro 10 DJ 69 A3 DJ 11 Tenkey 1 70 A 3 Tenkey 1 12 Tenkey 2 71 B3 Tenkey 2 13 Tenkey 3 72 C4 Tenkey 3 14 Tenkey 4 73 C 4 Tenkey 4 15 T...

Page 17: ... s x x Pitch Bend x x 0 32 o 2 o 2 Bank Select LSB MSB 7 o o Volume 10 o o Pan 6 38 x x Data Entry Control 64 o o Sustain 71 74 x x Change 84 o o Portamento Cntrl 96 97 x x RPN Inc Dec 98 99 x x NRPN LSB MSB 100 101 x x RPN LSB MSB 91 93 94 x x Prog o 0 127 3 o 0 127 3 Change True 3 System Exclusive o 4 o 4 Song Pos x x Common Song Sel x x Tune x x System Clock x x Real Time Commands x x Aux All S...

Page 18: ...zero The second letter of the shaded part number is I not one M South African model O Chinese model Q South east Asia model T Taiwan model U U S A model V General export model 110V W General export model 220 N X General export model Y Export model A Australian model B British model C Canadian model D German model E European model F French model H North European model I Indonesian model J Japanese ...

Page 19: ... C70 C50 C80 C70 C30 C40 C20 C110 C100 C100 10 40 50 80 30 60 200 70 90 240 180 160 170 20 270 130 190 300 150 150 250 Lower Case Assembly 110 C10 Keyboard Assembly See page 4 C120 100 L20 L30 L60 L40 L110 240 L120 L40 L50 L120 LCD Unit 210 240 240 240 210 240 240 240 20 270 Music Rest C90 C90 1 2 2 2 ...

Page 20: ...d Head Tapping Screw B 3 0X30 MFZN2Y 5 270 Bind Head Tapping Screw B 4 0X8 MFZN2Y 8 01 300 Adhesive Tape 12X90 V591240 LCD Unit M V709880 L20 LCD Panel TYPE A 01 L30 LCD TTR5297DPRDCN C3 L40 Rubber Connector SS 105L 2 01 L40 Rubber Connector SS 105L 2 L50 Bind Head Tapping Screw P 3 0X8 MFZN2Y 8 01 L60 Circuit Board DM LCD L110 LCD Holder A L120 Adhesive Tape 12x25 2 01 Lower Case Assembly V702430...

Page 21: ...B 3 0X8 MFZN2Y 7 01 100 Bind Head Tapping Screw P SP 3 0X12 MFZNBL 13 01 110 Bind Head Tapping Screw P 3 0X20 MFZN2 21 01 120 MK Circuit Board Assembly 16N1M C61 P1 V718920 MK Circuit Board Assembly 16N1M C61 P1 V718920 M10 Circuit Board MK H 16N 1M 09 M20 Circuit Board MK L 16N 1M C61 P1 M30 Connector Assembly MK 16N 1M C61 V719030 M40 Felt U 16N 02 V34107A0 V4760300 VZ271700 VZ271800 VZ271900 VZ...

Page 22: ...V Z 01 0061 Ceramic Capacitor F chip 0 1000 16V Z 01 C0062 Ceramic Capacitor SL chip 100P 50V J 01 C0063 Ceramic Capacitor F chip 0 1000 16V Z 01 C0064 Ceramic Capacitor F chip 0 1000 16V Z 01 C0065 Ceramic Capacitor SL chip 100P 50V J 01 C0066 Ceramic Capacitor F chip 0 1000 16V Z 01 C0067 Electrolytic Cap 470 00 16 0V 01 CL001 Ceramic Resonator 14M CST14 00MXW140 02 CL001 Ceramic Resonator 14M E...

Page 23: ...tor chip 22K 63M J 01 TH001 Thermistor ERTD2FGJ801S 800 03 TR001 Transistor 2SC2412K Q R S 01 TR002 Transistor 2SC2412K Q R S 01 Circuit Board MK H 16N 1M XT701A0 09 Diode 1SS133 1SS176 01 Wire Trap 52147 11P TE 01 Circuit Board MK L 16N 1M C61 P1 XZ850A0 Diode 1SS133 1SS176 01 Diode 1N4148 DO 34 01 Wire Trap 52147 11P TE 01 Wire Trap 52328 17P TE 02 Circuit Board PN AM XZ644C0 Circuit Board VR XZ...

Page 24: ... Resistor 4 7K 1 4 J 01 R0104 Carbon Resistor 4 7K 1 4 J 01 R0105 Carbon Resistor 5 6K 1 4 J 01 R0106 Carbon Resistor 5 6K 1 4 J 01 R0107 Carbon Resistor 470 0 1 4 J 01 R0108 Carbon Resistor 470 0 1 4 J 01 R0109 Carbon Resistor 1 0K 1 4 J 01 R0110 Carbon Resistor 1 0K 1 4 J 01 R0111 Carbon Resistor 2 2 1 4 J 01 R0112 Carbon Resistor 2 2 1 4 J 01 R0113 Carbon Resistor 100 0 1 4 J 01 R0114 Carbon Re...

Page 25: ...105 Connector Assembly VR 5P 90 V719680 WH201 Connector Assembly MIDI 6P 110 V719690 WH203 Connector Assembly PN1 12P 110 V719720 WH204 Connector Assembly SP 2P 140 V719660 ZD101 Zener Diode MTZ J 5 6B 5 6V 01 Speaker 12 0cm 4 ohm 3W 2 LCD TTR5297DPRDCN C3 VG437700 XZ871A00 V6968000 ...

Page 26: ...G Components having special characteristics are marked Z and must be replaced with parts having speci fication equal to those originally installed MK H MK L DM LCD PN AM PN AM VR MASTER VOLUME PHONES OUTPUT SUSTAIN MIDI IN MIDI OUT STANDBY ON DC IN 12V SPEAKER L SPEAKER R 2 2 1 2 1 1 The fuse is soldered LCD POWER AMP REGULATOR 5V REGULATOR 3 3V GEW 12 BUFFER BUFFER RESET ROM 16M PROGRAM STYLE WAV...