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Related Manuals for Wurlitzer 112
Summary of Contents for Wurlitzer 112
- Page 1 MODEL 112 WURLI TZER ELECTRONIC PIANO SERVICE MANUAL...
- Page 2 Developments in the fast-moving world of electron ics, together with consta nt research and engineering in the Wurlitzer labora tories, have made possible a number of im provements and refinements in Wurlitzer Electronic Piano design and construction since the introduction of this sensa...
- Page 3 PREPARATION OF THE WURLITZER ELECTRONIC PIANO FOR SALE Extreme caution and precision methods have been used in the manufacturing, testing, a nd packing of the Wurlitzer Electronic Piano. However, damage in shipment occasionally occurs, and the instrument should be thoroughly checked be...
- Page 4 SPECIFICATIONS FOR WURLITZER ELECTRONIC PIANO MODEL 112 Width 110 Volts, AC 39" Depth 22 -1 /4 • 60 Cycle AC Wattage Consumption: 60 1/ 4 ! Height SPECIFICATIONS FOR BENCH FOR WURLITZER ELECTRONIC PIANO MODEL 112 Height 19 1 / 4 "...
- Page 5 Fig. 1 Fig. 2 scanned by tropical fish tropicalfishvintage.com...
- Page 6 CHECKING THE AMPLIFICATION SYSTEM Remove fall cover assembly (keycover) by releasing catches. Remove screws from top as shown in Fig. 1. Remove screws from music desk as shown in Fig. 1. Lift top completely off piano as shown in Fig. 2. Inspect the amplifier to see if all tubes are mount...
- Page 7 Check to see if the following cables are plugged in tightly, as shown in Fig. 3: Piano input cable Piano speaker cable FUSES: Check 1 amp fuse {Slo-Blo) as shown in Fig. J and Fig. 10. AC CORD: This cord comes packed separately and is a one piece moulded line cord that fi ts the receptacle shown in Fig.
- Page 8 Check to see if the following cables are plugged in tightly, as shown in Fig. 3: Piano input cable Piano speaker cable FUSES: Check 1 amp fuse {Slo-Blo) as shown in Fig. J and Fig. 10. AC CORD: This cord comes packed separately and is a one piece moulded line cord that fi ts the receptacle shown in Fig.
- Page 9 TONE PRODUCING PRINCIPLE The Model 112 Wurlitzer Electronic Piano utilizes as a tone generator a free reed (No. 17, Figs. actuated by a (No. piano hammer (No. Fig. and damped by a damper Fig. 6) with an action similar to a standard piano.
- Page 10 NOMENCLATURE , --· Pick-Up Washer Damper Lever Main Rail Front Rail Pin 11 . Pick-Up Screw Damper Lever Flan�e Butt Damper Lever Spring Regulating Screw Pick-Up Bushing Music Desk Assembly 1 3 . Damper Washer Reed Washer Butt Spring Balance Key Pin 3 2 .
- Page 11 NOMENCLATURE Damper Damper Lever Flange Spring Front Rail Pin 10. Butt Reed Screw Action Rail 11. Pick-Up Insulator 12. Reed Bar heed Washer 3 2. Butt Screws Music Desk Assembly Damper Lever Butt Flange Balance hail Pin 13. Hammer 2 3 . 24 .
- Page 12 "Easing Keys" and "Shrinking Action Centers" found in the Wurlitzer Piano Service Manual. EASE KEYS Refer to Wurlitzer Piano Service Manual, Page CAPSTAN ADJUSTMENT This is covered urrler the following section devoted to "Touch".
- Page 13 MODEL 1 1 2- A LEVEL KEYS Key leveling the Model 112-A is essentially the same as the Model 112. The key height, however, is 1 15/32" from the top of the kev frame to the underneath side of the natural key lift.
- Page 14 TOUCH (Continued) The hammer should let off 1 / 16" from the reed and j ust before This allows less than l / 64n after touch or the key bottoms. movement of the key after the let-off. If the regulating screw (No.
- Page 15 (For further in structions, please refer to the Wurlitzer Piano Service Manual). SPACE KEYS Please refer to page 7 of Wurlitzer Piano Service Manual. DAMAGED KEYS Please refer to page 7 of Wurlitzer Piano Service Manual. DAMPER ADJUSTMENT Adjust the damper button (No. 32, Fig. 6) so that when the hammer (No.
- Page 16 See paragraph on Tone Producing Principle. CARING FOR THE FINISH 'fhe Wurlitzer Electronic Piano Model 112 is finished in a durable, attractive pebble finish. This finish can easily be cleaned by merely wiping the case with a damp cloth, and then drying with a soft, dry cloth.
- Page 17 "speaker" jack. EXTERNAL AMPLIFICATION The amplifier in the Wurlitzer Electronic Piano may be used as a pre-amplifier to drive a higher powered amplifier by plugging into the jack marked "auxiliary output."...
- Page 18 • OVT" F'U T � .210 OtA. HOL f::2.7 � � 115 VOLTS> <oOCYCLE', V2AMP. J (i;OWATTS \vUCLLTZEC �ODEL 112. AMPLIFfEC -A- CIZ'f: u..,; \9 t-= ez� 4 70 K OHM'S 1/2- w. CAe,aot,.J �F¥-\CITOC, OCY E'L.SC,COLYT'IC. 4- "5.C.TIO"' 2�...
- Page 19 I � � ,l 1 1 � m �! ..� "' 1: 1 1 1 � � D �nnn 3 � � <1'0 E� "10 -� � < �B 11'1 NAME ..., NAMEPL.ATE. A-fOt-.JE JACK (.�) KNoe· SPEAl<Ef! �Cl( (.�-'50 AUXILIAe')o' JRCK (.ZIO eecoeo...
- Page 20 SERVICE DEPARTMENT, THE RUDOLPH MISSISSIPPI. WURLITZER COMPANY, CORINTH, FILING CLAIMS WITH CARRIERS Please refer to Page 26 of the Wurlitzer Piano Service Manual. IMPORTANT'' Written authorization must be obtained from the Service Depart ment, The Rudolph Wurlitzer Company, Corinth, Mississippi, before returning any Electronic Piano for repair.
- Page 21 Wurlitzer Electronic Claims, Filing of •• s•••••••l6 Piano For Sale •••••••••••• 2 Conclusion ••••••••••••••••• Pick-Up ••••••••••••••••••••• 7 Cross Section of Wurlitzer Pilot Light ••••••••••••••••• 4 Electronic Piano •••••••••• $ Range ••••••••••••••••••••••• 7 °ffamper Ad j ustment •••••••••• 11 Record Player •••••••••••••• 13 Diagram of Wurlitzer Reeds ••••••••••••••••••••••...
- Page 22 N O T E S 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...