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PSR-170. You must have a PSR-170 service manual (PK 001652 ) before servicing this unit. CONTENTS SPECIFICATIONS ................3 PANEL LAYOUT ................. 4 CIRCUIT BOARDS ................5 OVERALL CIRCUIT DIAGRAM ............8 PARTS LIST 001697 Copyright (c) Yamaha Corporation. All rights reserved. PDF-K702 ’03.03...
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IMPOR TANT 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 inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and have therefore not been restated.
Large multi-function LCD display VL/CSA 6.8W, CE7.5W (when using PA-3B power adaptor) Setup Power supply STANDBY/ON Adaptor : Yamaha PA-3C or PA-3B AC power adaptor MASTER VOLUME : MINI-MAX Batteries : Six “D” size, R20P(LR20) or equivalent batteries Panel controls Dimensions Overall, SONG, VOICE, STYLE, DEMO, POTABLE 931 x 348.8 x 127.9 mm (36-2/3"...
PSR-172 CIRCUIT BOARDS DM-LCD (XZ643D0) ................5 PN-AM 1/2 (XZ644C0) ................6 PN-AM 2/2 (XZ644C0) ................7 VR (XZ644C0) ..................7 DM-LCD Circuit Board to MK-L to PN-AM 1/2-CN102 to PN-AM 2/2-CN201 Component side Pattern side 2NA-V692510 2 Note : See parts list for details of circuit board conponent parts.
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PSR-172 PN-AM 1/2 Circuit Board PAUSE START/ REPEAT STOP ACMP SYNC START/ INTRO/ MAIN/ TEMPO/ ON/OFF START STOP ENDING/rit. AUTO FULL LESSON LESSON STANDBY/ON OVERALL Dict. Component side PHONES/ DC IN 12V OUTPUT 2NA-V708340 7...
PSR-172 PN-AM 2/2 Circuit Board MULTI PAD/DJ GAME DEMO STYLE VOICE –/OFF 0/RESET +/ON PORTABLE GRAND SONG METRONOME to SPEAKER R Component side SUSTAIN MIDI VR Circuit Board to PN-AM 1/2-CN105 CN106 MASTER VOLUME Component side PN-AM 2/2, VR : 2NA-V708340 7...
PARTS LIST CONTENTS OVERALL ASSEMBLY ..........................2 KEYBOARD ASSEMBLY ......................... 4 ELECTRICAL PARTS ........................5 – 8 Notes : DESTINATION ABBREVIATIONS Australian model South African model British model Chinese model Canadian model South-east Asia model German model Taiwan model European model U.S.A.