Related Manuals for Wurlitzer 120
Summary of Contents for Wurlitzer 120
- Page 1 MODEL WURLI TZER ELECTRONIC PIANO SE RVICE MANUAL PLEASE INSERT THIS IN THE BACK OF YOUR PRESENT WURLITZER ELECTRONIC PIANO SERVICE MANUAL...
- Page 2 E lectronic Piano Service Manual. The pages and illustrations in this supplement all have "120" as the·prefix so as to avoid confusion with the Model 112 section. In order to avoid repetition and to keep the Ser...
- Page 3 Fig. 120-A SPECIFICATIONS OF THE 1!JURLITZER ELECTRONIC PIANO MODEL 120 Width - 39" 110 Volts, A.C. 18 13/16" C ycle Depth AC Wattage C onsumption: Height - 7" SPECIFICATIONS FOR BENCH FOR WURLITZER ELECTRONIC PIANO MODEL 120 Height - 19 1/2"...
- Page 4 Tone Producin g Princi p le and familiarize yourself with the contents. Remove the eleven screws in the top (Fig& 120-F) and remove tne top of the piano. Now refer to Page 120-9, Fig. 120-I. Place a p iece of white paper between the hammer (25) and the reed (26) and turn a flashlight on the This enables y ou to see any forei g n mater...
- Page 5 The other two catches are on the front of the fall cover and snap in to the strikes located on the inside of each rim arm See Figs. 120-A,B,C,D,E & F . just above the keyslip. 0� Fig. 120-C Fig.
- Page 6 F i g . 1 2 0 - F i g . 1 2 0 - F 1 2 0 - 5 scanned by tropical fish tropicalfishvintage.com...
-
Page 7: Pilot Light
· • "_, \,,t . . " . •. " .'"""'· Fig. 120-G On - Off Switch and Volume Control Earphone Jack Pilot Light Input Cable Ground Cable Control Panel Cable 12AX 7 Input Tube 6V6GT Power Output Tube... - Page 8 (Location of tubes shown in Fig ures 120-G and 120-R.) Check to see that the following cables are plugged in tightly as shown in Figure 120-G. Piano input cable. Control panel cable. Speaker cable. Check 1 amp fuse (Slo-Blo ) as shown in Figure Fuse: 120-H and 120-R.
- Page 9 Fig. 120-H Line Cord Receptacle External Speaker Jack 1 Amp Slo-Blo Fuse Record Player Input TONE PRODUCING PRINCIPLE See diagram and explanation on Page 7 of Model 112 section. scanned by tropical fish tropicalfishvintage.com 120-8...
- Page 10 '° ..t-:cj (J'q BALA"'-.I C E eAIL wueLITZE-e ELECTEONIC PIAf'JO MODEL (u.s. PATENTS A"-10 FOEE1£;1J PE:NDIN�) NOMENCLATURE 21. Amplifier 1. Front Rail Pin 11. Damper Lever 31. Butt Screw 2. Key 12. Reed Washer 22. Speaker 32. Butt Spoon 3.
- Page 11 MT�. SCfeEWS Fig. 120-J IMPORTANT - A new scale of reed dimensions has been incorpor ated into the Model 120; therefore, all of the reeds are not· interchangeable with reeds of former models. For further in struction see Page 120-17.
- Page 12 In the event excessive moisture in the air causes sluggish keys or action centers, they should be corrected according to the instructions given in the Wurlitzer Piano Service Man "Ease Keys" is described on Pages 4 and 7 and "Shrink...
- Page 13 Fig. 12C-K Adjusting Canstan Screw Fig. 120-L Adjusting Let-Off Screw scanned by tropical fish 120-12 tropicalfishvintage.com...
- Page 14 This allows about 1/32" after-touch or movement of the key after the hammer lets off. The let-off is ad justed by the regulating screw as shown in Fig. 120-L. NOTE: The let-off screwdriver used for regulation is equivalent to item #4102 (Page 23) in Schaff Piano Supplies Catalog.
- Page 15 Fig. 1 20-M Adjusting Spoon SPOON ADJUSTMENT (Fig. 120-M.) T he butt spoon (Item 32, Fig. 120-I) has been factory set and should not require adjustment. The spoon is bent out just far enough so the capstan screw (Item 36; Fig.
- Page 16 TONE REGULATING {OR VOICING) Tone regulating of the Wurlitzer Electron:lc Piano is accomplished in the same manner as in a conventional piano and should only be done by a tuner-technician.
- Page 17 See Fig. 120-0 . �PLY PlcESSUeE Fig. 120-0 (Burning Hammers)
- Page 18 A N D See Page 12 of the Model #112 Service Manual. The pro cedure is the same except that the Model #120 does not have a shield_over the reeds. The metal top acts as a shield and the interior of the case is covered wi.th an electrostatic shield paint.
- Page 19 RECORD PLAYER JACK An y hi g h impedance phono g ra p h picku p (reco�d p la y er) may be fed into the record in p ut j ack of the Model #120. See Fig. 120-H.
- Page 20 ·-� A. O . LINE-----------------------�--------- EP - 6 22 a , 17 F1c;. 120 -� f: TRANSFORMER POWER------------------------- EP - 612c 1 /4 # 8 Hl l HD . SHT. METAL SCR. - ------------ SP EAKER SOCKET - ---------------------------- EP - )68a...
- Page 21 � .., � PHONI!: .TACI::. .._ ... , · . . :.. .- . . 1z'5 t:eso) Neri: --�---=--* --- - �,: S' .. "''', AJ0.4 �ll!IY, NEON '!M:":. VOLUME � uo. '-' OIAIJt:e &CA,CC, e,er1t" P, ,.,. T-1� -•===-=--==---=-=.:-=-: "'�K.
- Page 22 scanned by tropical fish tropicalfishvintage.com...
- Page 23 INDEX (cont.) Pag e No . Voltages ••••••••• 120-2,-7,-19 Volume Control •• • 120-2,-7,-19 This document was digitized by Tropical Fish in order to assist in the restoration of vintage Wurlitzer electronic pianos. For your convenience, the full text of this document is searchable. Find high- res versions of just the schematics (as well as additional service manuals) at tropicalfishvintage.com/schematics...