Service manual ■ contents specifications .............................................................................. 3 panel layout ................................................................................. 4 circuit boards .....................................................................
Psr-172 2 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...
Psr-172 3 ■ specifications keyboard 61 standard-size keys (c1 - c6) display large multi-function lcd display setup standby/on master volume : mini-max panel controls overall, song, voice, style, demo, potable grand, dj, metronome, dict., l, r, tempo/tap numeric keypad (0 - 9, +,-) voices 100 panel v...
Psr-172 4 ● top panel ■ panel layout q [master volume] dial w power switch ([standby/on]) e lesson [l] (left) and [r] (right) buttons r [dict.] (dictionary) button t [overall] button y [song] button u [voice] button i [style] button o [portable grand] button !0 [metronome] button !1 [dj] button !2 n...
Psr-172 5 note : see parts list for details of circuit board conponent parts. Dm-lcd (xz643d0) .............................................................................. 5 pn-am 1/2 (xz644c0) ........................................................................... 6 pn-am 2/2 (xz644c0) .........
Psr-172 6 ● pn-am 1/2 circuit board component side dc in 12v phones/ output to ba tter y 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 l...
Psr-172 7 component side ● vr circuit board ● pn-am 2/2 circuit board midi 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 cn...
Dm-lcd, pn-am, vr : 28cc1-8819402 mk-l, mk-h : 28cc1-8819596 7 warning components having special characteristics are marked z and must be replaced with parts having specification equal to those originally installed. : mylar capacitor : ceramic capacitor : semiconductive ceramic capacitor : metal oxi...
Parts list ■ contents overall assembly ............................................................................................................................. 2 keyboard assembly ......................................................................................................................
Psr-172 2 ■ overall assembly 140 260 120 120b 120c c150 c150 c150 c150 c130 c60 c70 c50 c80 c70 c30 c40 c20 c110 c100 c100 10 40 50 80 30 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 ...
Psr-172 3 ref no. Part no. Description remarks qty : new parts rank: japan only rank overall assembly psr-172 (wa06600) * 10 upper case * 20 speaker 12.0cm 4ohm 3w 2 30 panel switch black 3 dome song,voice,style 01 40 panel switch white 12 dome 0-9,off/-,on/+ 03 50 panel switch yellow/black 5 dome d...
Psr-172 4 ref no. Part no. Description remarks qty : new parts rank: japan only rank keyboard assembly 16n c61 p1m psr-172 (v709960) 10 white keys 16n cegbdfa 5 04 10a white key 16n cegb (v341260) 5 10a white key 16n cegb (wb12520) 5 10b white key 16n dfa (v341270) 5 10b white key 16n dfa (wb12530) ...
Psr-172 5 ■ electrical parts ref no. Part no. Description remarks qty : new parts rank: japan only rank electrical parts psr-172 circuit board dm-lcd (v692510)(xz643d0) 19 circuit board mk-h 16n-1m (vz27220)(xt701a0) 09 circuit board mk-l 16n-1m c61 p1 (v719100)(xz850a0) 14 circuit board pn-am (v708...
Psr-172 6 ref no. Part no. Description remarks qty : new parts rank: japan only rank -0015 chip inductance 600 bk1608hm601 01 r0007 chip inductance blm18bd601sn1d 01 -0015 chip inductance blm18bd601sn1d 01 r0016 carbon resistor (chip) 2.2k 63m j 01 r0017 carbon resistor (chip) 91.0k 63m j 01 r0018 c...
Psr-172 7 ref no. Part no. Description remarks qty : new parts rank: japan only rank c0112 electrolytic cap. 100.00 16.0v 01 c0113 monolithic mylar capacitor 0.15 50v j c0113 monolithic mylar capacitor ecq-v1h154jl3 01 c0114 monolithic mylar capacitor 0.15 50v j c0114 monolithic mylar capacitor ecq-...
Psr-172 8 ref no. Part no. Description remarks qty : new parts rank: japan only rank wh102 connector assembly am 8p (v719700) wh103 connector assembly pn2 9p (v719710) wh104 connector assembly sp 2p (v719660) wh105 connector assembly vr 5p (v719680) wh201 connector assembly midi 6p (v719690) wh203 c...
