background image

SERVICE MANUAL

■ 

CONTENTS

SPECIFICATIONS .............................................................................. 3

PANEL LAYOUT ................................................................................. 4

CIRCUIT BOARDS ............................................................................ 5

OVERALL CIRCUIT DIAGRAM ......................................................... 8

PARTS LIST

PK

  001697

Copyright (c) Yamaha Corporation. All rights reserved. PDF-K702 

 

   ’03.03

The PSR-172 service manual provides only the differences as

compared with the PSR-170. You must have a PSR-170 service

manual (

PK   001652

  ) before servicing this unit.

Summary of Contents for Portatone PSR-172

Page 1: ...OVERALL CIRCUIT DIAGRAM 8 PARTS LIST PK 001697 Copyright c Yamaha Corporation All rights reserved PDF K702 03 03 The PSR 172 service manual provides only the differences as compared with the PSR 170 You must have a PSR 170 service manual PK 001652 before servicing this unit ...

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: ... On Off Sync Start Start Stop Intro Ending rit 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 12cm x 2 Power consu...

Page 4: ...on 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 rit 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 DC IN 12V jack 1 2 3 4 GrandPno q w e r t u o 0...

Page 5: ...f circuit board conponent parts DM LCD XZ643D0 5 PN AM 1 2 XZ644C0 6 PN AM 2 2 XZ644C0 7 VR XZ644C0 7 CIRCUIT BOARDS 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 Component side 2NA V692510 2 ...

Page 6: ...ONES OUTPUT to BATTERY to DM LCD CN04 to PN AM 2 2 CN202 not installed 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 rit MAIN AUTO FULL TEMPO TAP LESSON L LESSON R OVERALL Dict 2NA V708340 7 ...

Page 7: ...DI 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 7 ...

Page 8: ...ar Capacitor Ceramic Capacitor Semiconductive Ceramic Capacitor Metal Oxide Film Resistor Note See parts list for details of circuit board component parts PN AM VR MASTER VOLUME PHONES OUTPUT STANDBY ON DC IN 12V SPEAKER L 1 2 1 1 The fuse is soldered 2SB1135 or 1269 POWER AMP REGULATOR 5V OVERALL CIRCUIT DIAGRAM Modifying part TR101 R119 R120 and IC002 DM LCD have been modified I J K L H 3 4 5 6 ...

Page 9: ...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 10: ...0 60 200 70 90 240 310 310 310 180 160 170 20 270 130 190 300 150 150 250 110 C10 C120 C180 100 L20 L30 L60 L40 L110 240 L120 L130 L40 L50 L120 120a 120e 120e 120d 120e 120f Battery Cover Assembly Lower Case Assembly Keyboard Assembly See page 4 LCD Unit Music Rest 210 240 240 240 210 240 240 240 20 270 C90 C90 1 2 2 2 C160 C160 C170 ...

Page 11: ...ZN2Y 5 270 Bind Head Tapping Screw B 4 0X8 MFZN2Y 8 01 300 Adhesive Tape 12X90 V591240 310 Nonwoven Fabric Cloth 14X6X0 5 V789860 6 LCD Unit M V709880 L20 LCD Panel TYPE A 01 L30 LCD TTR5297 TYPE M 07 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 19 L110 LCD Holder A 01 L120 Adhesive Tape 12X25 2 01 L130 No...

Page 12: ...rew 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 MFZN2Y 21 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 14 M30 Connector Assembly 16N 1M C61 V719030 M40 Felt U ...

Page 13: ...V 01 C0059 Ceramic Capacitor F chip 0 1000 16V 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 CS...

Page 14: ...esistor chip 10 0K 63M J 01 R0079 Carbon Resistor chip 22 0K 63M J 01 R0080 Carbon Resistor chip 22 0K 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 VZ27220 XT701A0 09 2 Diode 1SS133 1SS176 C3 C5 01 3 Wire Trap 52147 11P TE 01 Circuit Board MK L 16N 1M C61 P1 V719100 XZ850A0 14 2 Diode 1SS133 1SS176 C0 ...

Page 15: ...H 01 0205 Coil FL5R200QNT 20uH 01 R0101 Carbon Resistor 15 0K 1 4 J 01 R0102 Carbon Resistor 15 0K 1 4 J 01 R0103 Carbon 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 R0...

Page 16: ...r Assembly PN2 9P V719710 WH104 Connector Assembly SP 2P V719660 WH105 Connector Assembly VR 5P V719680 WH201 Connector Assembly MIDI 6P V719690 WH203 Connector Assembly PN1 12P V719720 WH204 Connector Assembly SP 2P V719660 ZD101 Zener Diode MTZ J 5 6B 5 6V 01 Speaker 12 0cm 4ohm 3W 2 LCD TTR5297 TYPE M 07 VG437700 X3804A00 V6968000 ...

Reviews: