Download Print this page
Wurlitzer 200 Service Manual
Hide thumbs Also See for 200:

Advertisement

Quick Links

ELECTRONIC PIANOS
WuRLiizER
®
Service Manual
MODELS
200
203
203W
206
207 & 207V
214 & 214V
1 1
Model 200
Model 203
Model 203W
Model 206
Model 207 & 207V
THE WURLITZER COMPANY
-
DEKALB, ILLINOIS 60115
OS 153
P-1-2000-742

Advertisement

loading

Summary of Contents for Wurlitzer 200

  • Page 1 ELECTRONIC PIANOS WuRLiizER ® Service Manual MODELS • • 203W • • 207 & 207V 214 & 214V • Model 200 Model 203 Model 203W Model 206 Model 207 & 207V THE WURLITZER COMPANY DEKALB, ILLINOIS 60115 OS 153 P-1-2000-742...
  • Page 2 • • Preparation of the Piano for Servicing • • • • • • • Carrying Case for Model 200 Portable • • • • • & . . . Key and Action Nomenclature Diagram • • • 10 •...
  • Page 3 WURLI'l'ZER ELECTRONIC' PIANOS MODELS 200, 203, 203W, 206, 207, 207V, 214 & 214V SPECIFICA'l'IONS AND DESCRIP'l'ION MODEL 200 (PROFESSIONAL POR'l'ABLE) Keyboard Range: 64 Notes, A-13 thru c-76 28 5/8" Height (From Floor to Top of Keys With Legs): Height of Case (Less Legs): 7 1/8"...
  • Page 5 POWER REQUIREMENTS: Models 200, 203, 203W, 206, 207 and 214: 40 watts. Models 207V and 214V: 100 watts. All operate from 117 volt, 50/60 Hertz A.C. Three wire center grounded A.C. cord available. Page 3 DE KALB, ILLINOIS...
  • Page 6 AMPLIFIER - DESCRIPTION OF MODELS 200, 203, 206 and 207 The 200 Series Amplifier consists of six basic sections which are as low voltage power supply, low voltage regulator, high voltage follows: polarizing supply, pre-amp vibrato modulator, vibrato oscillator, and power output stage.
  • Page 7 scanned by tropical fish tropicalfishvintage.com...
  • Page 8 Models 200 and 203 - Bench and headphones are optional. CARRYING CASE (FOR MODEL 200 PORTABLE) : A heavy duty carrying case, Model 233A is available thru the Sales Department. See pages 6A and 6B for photos and instructions for use.
  • Page 9 INSTRUCT. I ON SHEET: CARRYING CASE - MODEL 233A WURLITZER ELECTRONIC PIANO - MODEL 200 Remove the case from the shipping carton (fig. 1). To open, lay case flat on floor and unlatch the four locks. (Note: the locks are placed in different positions on each side of the case to avoid improper closing.)
  • Page 10 Fig. 8 shows ways to install the casters on the end of the case for u pright mobility or on the bottom. (fig. 8 ) ( fig. 7) caster placement WURLITZER/DeKalb, Illinois 60115 Printed in USA Form# 3003 Page 6B...
  • Page 11 s em b l y S h i e l d A s n s f o """ < . f 2 0 1 8 3 B F OIi • < T < a f t . # 2 0 1 8 r d C Olll P l e t e P .
  • Page 12 The keys and action are now exposed for any necessary regulation. MODELS 203, 203W and 214 (HOME CONSOLES): Follow the same procedure as for the Model 200 for steps (1) thru (4). If there is a square white plastic n i ne-pin plug and socket located above the printed circuit board, unplug and remove the chassis assembly.
  • Page 13 The chassis assembly can then be removed. MODEL 207 (TEACHER'S CONSOLE): Follow steps�, three and four as described for the Model 200. Disconnec· t the thirty-six pin plug and socket located near the treble end of the chassis. Disconnect all the nine-pin plugs and sockets on the chassis assembly.
  • Page 15 REGULATING PROCEDURE Refer to Fig. 2, Page 1 0 for Regulation of Action In the keys and action of the Wurlitzer electronic piano there are approximately 3,200 parts made mostly of wood, metal and felt. These materials are specially selected and manufactured for use in piano keys and actions, but the normal wear from playing the piano, packing of the felts, and c h anging atmospheric conditions will probably necessi­...
  • Page 16 Fully depress each key and release it slowly. If the key does not completely return, or if it returns very slowly, the whip centers are probably sluggish. Keys must, of course, be properly THE WURLITZER COMPANY Page 1 2 DE KALB, ILLINOIS scanned by tropical fish tropicalfishvintage.com...
  • Page 17 Check the action completely for any broken parts, loose flanges, moth-eaten or loose felts, etc., and repair or replace as necessary. Reface the hammers if necessary. Page 1 3 DE KALB, ILLINOIS THE WURLITZER COMPANY scanned by tropical fish tropicalfishvintage.com...
  • Page 18 It may be necessary to sand some keys slightly to insure the proper clearance between them . REMOVING ACTION PARTS It is not necessary to remove the action from the piano to replace Page 14 THE WURLITZER COMPANY DE KALB, ILLINOIS scanned by tropical fish tropicalfishvintage.com...
  • Page 19 Remove the two screws (one in front and one in back) that fasten the end action brackets Page 15 DE KALB, ILLINOIS THE WURLITZER COMPANY scanned by tropical fish tropicalfishvintage.com...
  • Page 20 DE KALB, ILLINOIS THE WURLITZER COMPANY Page 16 scanned by tropical fish tropicalfishvintage.com...
  • Page 21 The key dip, measured at the front of the natural keys, should be approximately 3/8". (See Fig. 2, Page 1 0) This measurement will v ary slightly depending upon the accuracy of the preceding Page 17 DE KALB, ILLINOIS THE WURLITZER COMPANY scanned by tropical fish tropicalfishvintage.com...
  • Page 22 Proper touch laying provides about 1/32" after touch, or down­ This ward movement of the key after fly escapement occurs. after touch is necessary to "lock" the butt in the check-back position. THE WURLITZER COMPANY DE KALB, ILLINOIS Pag e 18 scanned by tropical fish tropicalfishvintage.com...
  • Page 23 When the damper connecting rod nut has been properly adjusted, the dampers themselves should be inspected for uniform lift. Depress the full sustaining pedal and observe the lift of the Page 19 DE KALB , ILLINOIS THE WURLITZER COMPANY scanned by tropical fish tropicalfishvintage.com...
  • Page 24 scanned by tropical fish tropicalfishvintage.com...
  • Page 25 On Models 203, 203W, 206, 207 and 214 consoles, the pedal is built in but the adjustment is the same as covered on the 200 portable. The cable clamp is located about eight inches below the knurled nut.
  • Page 26 "° Music Panel Mounting Bolts - Pt. #201842 Damper Connecting /� Rod - Pt. #201707 Pedal Cable Cable Adapter Assembly - Pt. #202266 Pt. #202265 t"i t"i t"i MODEL 200 FIGUFE 3 scanned by tropical fish // tropicalfishvintage.com...
  • Page 27 scanned by tropical fish tropicalfishvintage.com...
  • Page 28 DESCRIPTION OF THE 207 TEACHER'S CONSOLE Four groups of from one to six Model 206 student pianos in a group can be connected to a Model 207 Teacher's Console Piano. Each Model 206 student piano in a group is connected to the next student piano by an external jumper cable assembly.
  • Page 29 In the 207 a dynamic mic out­ put is applied to a mic pre-amp circuit which is applied directly to the 207 power amplifier mic input terminals. Page 2 5 DE KALB, ILLINOIS THE WURLITZER COMPANY scanned by tropical fish tropicalfishvintage.com...
  • Page 31 scanned by tropical fish tropicalfishvintage.com...
  • Page 32 First Check (Self) Black tab "A" down. White tab "1 '' down. 206 - "1J," group set to #1 position. {piano select switch) Two-way communication should be heard. THE WURLITZER COMPANY DE KALB, ILLINOIS Page 28 scanned by tropical fish tropicalfishvintage.com...
  • Page 33 White tabs up. Lighted tab group A'' up (red) • 206 - "A" Group. Ensemble position. (self-speaker switch) Slowly rotate piano select switch from #6 thru #1 position. Page 29 DE KALB, ILLINOIS THE WURLITZER COMPANY scanned by tropical fish tropicalfishvintage.com...
  • Page 34 "group-call" switch. Check TR-4 thru TR-10. Third Check (Ensemble-Mix) Black tab "A" down. Lighted tab group "A" down (green). Lighted tab group "TI" 2own (green). DE KALB, ILLINOIS THE WURLITZER COMPANY Page scanned by tropical fish tropicalfishvintage.com...
  • Page 35 Audio (tape player, Aid #1 jack. connected to Audio Audio Aid should be heard in teacher's phones. Black tab "A" up. Page 31 T HE WURLITZER COMPANY DE KALB, ILLINOIS scanned by tropical fish tropicalfishvintage.com...
  • Page 36 Black tab ,:E" down. Audio Aia. lever ":S" to position #1. Audio Aid lever group ' off. Audio Aid should be heard in teacher's phone. Repeat for ' and "D':. Repeat for Audio Aid 2 thru 4. If an audio aid cannot be heard by the teacher in any of the NOTE: positions stated above, the trouble will lie in either the audio aid jack or between this and the lighted switches.
  • Page 37 Music Panel Pt.· 201852 Knobs Pt. 201850 -�..;;;; Sliding Shelf Assembly Pt. 202168 Student's Headset and Microphone Piano Select Pt. 202526 Switch - Pt. 202549 Knob Pt. 201980. � ... � Pedal Pt. 201743 MODEL 206 � FIGURE 8 scanned by tropical fish // tropicalfishvintage.com...
  • Page 38 scanned by tropical fish tropicalfishvintage.com...
  • Page 39 Using a new mica washer and a new conic washer, stack and secure parts as shown. Tighten screw with about six inch lbs. of torque (hand tight). Now solder leads to p.c. board. Page DE KALB, ILLINOIS THE WURLITZER COMPANY scanned by tropical fish tropicalfishvintage.com...
  • Page 41 JUMPER WIRE TO KILL VIBRATol A DDED TO M·206-M·207_:jTO AUX. OUTPUT (NO VIBRATO CONTROL) M·200-M· 203 �- MICA - APPLY SILICON GREASE TO MICA AREA OF HEAT SINK & TR 8, 9 & 1 0 BE F ORE ASSE MBLY .
  • Page 42 207 in a lab installation. Complaint: Piano Dead - No Sound. Make sure AC power is available at wall outlet. cause: No AC power (Pilot light will not light). Correction: Check wall outlet for 120 V.A.C. DE KALB, ILLINOIS Page 38 THE WURLITZER COMPAl'lY...
  • Page 43 Check the line fuse in the piano. Defective line cord and/or connectors. Defective transistor. Cause: Correction: Check all transistor voltages {collector-base­ emitter). Shorted filter or open diodes in power supply. Cause: Check for low voltage and high voltage and replace Correction: shorted filter.
  • Page 44 R. F. Interference (Radio, T.V., Etc.) Correction: 1. Place a .01 MFD. capacitor from the emitter of TR-1 to ground. Place a .01 MFD. capacitor from the base of TR-2 Page 40 THE WURLITZER COMPANY DE KALB, ILLINOIS scanned by tropical fish tropicalfishvintage.com...
  • Page 45 5000 volts across the A.C. line inside the piano. Complaint: Excessive Hum That Normal Grounding Does Not Eliminate. cause: Some water pipe and electrical grounds are located so far from the actual grounding point, they end THE WURLITZER COMPANY DE KALB, ILLINOIS Page 41...
  • Page 46 Be sure to tighten lock n uts after adjusting. c omplaint: "Cross Talk" in Lab. c ause: This can be caused by improper or no audio ground DE KALB, ILLINOIS THE WURLITZER COMPANY Page 42 scanned by tropical fish tropicalfishvintage.com...
  • Page 47 If the reed is centered and still too loud, bend the ends of the pickup up slightly (1/32" to 1/16"). Page 4 3 DE KALB, ILLINOIS THE WURLITZER COMPANY scanned by tropical fish tropicalfishvintage.com...
  • Page 48 It is gener a lly a very slight twist to the reed bar when fully tightened down that causes "short ringers" or "duds". KALB, ILLINOIS THE WURLITZER COMPANY Page 44 scanned by tropical fish tropicalfishvintage.com...
  • Page 49 Models and starting serial numbers: 200-#48001, 203-#48451, 206-148601, 207-149151 11-1305-S-l-E-3 June 1, 1971 Schematic-Amplifier �dels and starting serial numbers: 200-#58050, 203-156403, 203W- t 56491, 206-1571 44 207-155921, 214-#57776 11-1306-S-l-E-l June 1, 1971 P.C. Board-E.P. Amplifier Models and starting serial numbers:...
  • Page 50 Communication Center Schematic (overlay - Instructor to Group A, Audio Aid 1 to Group A , - Mo del 207 Audio Aid 3 to Group C). KALB, ILLINO I S Page 46 THE WURLITZER COMPANY scanned by tropical fish tropicalfishvintage.com...
  • Page 51 CAPACITORS [TC. AR[ IOENTIF"IED WITH A NUMBER. IOENTFYING NUMBER EXAMPLE ---"""', l.2K THE WURLITZER COMPANY- DEKALB DIVISION - DEKALB. ILLINOIS . M ODEL - 200 - 203 - 206 - 207 TI T L E - SCHEMATIC-AMPLIFIER PART NO 11·0783·S-1-E-2 �gg::g�g: 206-48601 STARTING SERIAL NO.
  • Page 52 CAPACITORS ETC. AA[ IDCNTlfLED WtTH A NUMIM:R. 117 V.A.C. 60HZ., LAMP IOENTP"YINC. NUMBl'ft THE WURLITZER COMPANY-DEKALB DIVISION -D EKALB, ILLINOIS. MODEL - 200 • 203 • 206 • 207. PART NO. 11·0783·S·2·E-10 TITLE - SCHEMATIC ·AMPLIFIER �gg::g�g: 206-48601 DATE· SEPT. I, 1969.
  • Page 53 NUMBERS ON COMPONENTS CORRESPOND TO NUMBERS ON SCHEMATIC 11-0783. THE WURLITZE R COMPANY- DE K ALB DIVISION, DEKALB, ILL . DIODE MODEL - 200 - 20 3 - 20 6 -207 PART NO. 11 ·0764·S2 E·9 TITLE - PC BOARD-AMPLIFIER 200·4800I, 206·4 8 6 0I,...
  • Page 54 SCHEMATIC - ELECTRONIC PIANO AMPLIFIER AMP. OUTPUT �IGNAI.. MODELS 2OO-2O3-2O3W-2O7-214 ikja jMODEL 200·203·203;] TAPE OJT SEE SCHEMATIC NO IH30!tA·5·1 A.wt OUTPUT F'OIII CONNECTIONS TO I - 7. PHONO. !t Mf'D IOOK l!tK ,cc - - ,:s� ' ___:::_ TA.�[ IN �...
  • Page 55 NUMBERS ON COMPONENTS CORRESPOND TO NUMBERS ON SCHEMATIC 11-0783. THE WURLITZE R COMPANY- DE K ALB DIVISION, DEKALB, ILL . DIODE MODEL - 200 - 20 3 - 20 6 -207 PART NO. 11 ·0764·S2 E·9 TITLE - PC BOARD-AMPLIFIER 200·4800I, 206·4 8 6 0I,...
  • Page 57 CONC. WASHER PARTS #' 75 C 6. SK - 1 12 W l &. # 76 < 2. 2 K 1 / 2W l TO BE ASSEMBLED ON M O DEL S 200 &. 203 W � - � - - .
  • Page 58 BLUE ORANGE WHITE BROWN CO M PAN Y - WURLITZER DEKALB DIVISION, DEKALB ILL. MODEL - 200, 203, 206, 207. TITLE - OUTPUT SIGNAL CONNECTIONS PART NO.ll-0783A STARTING SERIAL NO. �g� = !:�� �g� = :i�ri DATE - SEPT. 1,1968...
  • Page 59 THE WURLITZER CO M PAN Y- DEKALB DIVISION, DEKA LB ILL. MODEL - 200, 203. 206, 207. PA RT NO. II-0783A-S-2 TITLE - OUTPUT SIGNAL CONNECTIONS 206-48601 STARTI NG SERIAL NO . 200 -48001 DATE - SEPT. 1,1969. 203-48451 207-49151...
  • Page 60 THE WURLITZER MODEL - 200. 203, 203W, 20 6,207,214. COMPANY- TITLE - OUTPUT SIGNAL, CONNECTIONS PART NO. ll-1305A-S-I STARTIN G SERIAL NO . 200-5805 0 1 203W-564 91 1 207-5 5921 DATE - JUNE 1,1971. 203 5 6043 206 -57144 214-57776...
  • Page 61 AUX. OUTPUT MODEL 200- PORTABLE A L l • ORA..,.,..r- ORANGE STUlENT 80-- -- -- -� ye,·~ • l.t.eER GREEN AMP. OUTPUT SIGNAL 4 X 8-16fl s·-11 n s•-11 .n • BLUE N0.202172 N0.202172 N0.11-07!,0 15 K PEAl<ER IOO!l. ORANGE...
  • Page 62 ♦\:IV l PONER PONER PONER SU'PI..V Sl.F'PLV SU'PI..V !••�t•,!L[ ' !"':l!Y8L[t !'• :1�-, ,�·!c !., -;; ,. ;:"' ';;;.; ;..:::: � ·---m---- 8�'- ( t) ',yMMR:I Ml[ COMl'LCTtC, B + POINTS TO TRANSISTORS �•IICUIT) THIIU Tl1[ 31 • " •!.�(; �'Ill :IOtKtf 4a011[.
  • Page 63 PO.YER PO.YER PCM6l SU'PI.V SU'PLV SU'l'\_V CH5tWIII.CA CN!KMIM.[ I �tWllCC. CN:KMIL[ O 5":IUl.[11 • EXAMPLE- --m- 90X[ONUt.lM:11.5AUC0Ml'\..CT[0 C.IIICUIT.)THIIU THC :M �IN �UG B + POINTS TO TRANSISTORS AND �ll'-1 AIOVC. AMPHENOL DISCONNECT -�: ' 1 G.E. TYPE "" �� �IVUCCM[N ---c::m- AU.31MTOD :H;lllfi IN N0RlolAl C,,..
  • Page 65 P.C. BOARD- INSTRU C TOR'S HEADPHONE DRIVER c'No 11-1010 NOTE: RESISTORS 33- 34-35- 36 AN D 130 131-132 -133 R AN DOM WI RED. WURL ITZER C O MPAN Y - DE KALB DIVISION - DE K ALB, ILLINOIS MODEL - 207 TIT LE - P.C.
  • Page 66 D.C. ISOL A TION T E RMINAL BLUE GREEN YELLOW ORANGE GROUP BROWN I IZ BLUE GREEN YELLOW PIANO ORANGE GROUP BROWN PIANO BLUE GREEN YELLOW ORANGE GROUP BROWN BLUE GREEN YELLOW PI A NO ORANGE GROUP BROWN - A - PIANO THE WURLI TZER C O MP A NY D E KALB DIVISION-D EKALB, I LLINOI S...
  • Page 69 :.., PIANO AMP. PHONE 'i--20 21• I '{..i- � THE WURLITZER COMFANY DEKALB DI V ISION -DEKALB , ILLINOIS MODEL- 207 PART N0.-11-1137-S-2 Ti'rLE -aM.1UNICTION CENTER SCI--EMATI C DATE - SEPT. I, 1969 STARTING SERI AL NO- 49151...
  • Page 72 PRE - Al.IP. INSTRUCTOR VOLUME MIKE CONTROL s. f>K GROUP D ENSEMBLE SELECTOR ""'""" SWITCI-I IN Ml• THE WURLITZER COMPANY DEKALB DIVISION - DEKALB, ILLINOIS MODEL-207 TI TLE -COMMUNICATION CENTER SCHEMATIC PART N0.1Ht40·S-2 STARTING SERIAL NO. 49151 DATE· SEP T. 1.1969...
  • Page 73 AUDIO AID A AUDIO AID C ...J ,. , . ENSEMBLE SELECTOR 5W<TCH ON THE WURLITZER COMPANY DEKALB DIVISION - DEKALB , ILUNOIS MODEL- 207 TITLE - COMMUNICATION CENTER SCHEMATIC AO.RT NO. 11-1141-S-2 DATE - STARTING SERIAL NO. 49151 SE PT. I, 1969...
  • Page 74 INSTRUCTOR TO GROUP A, AUDIO AID I TO GROUP A 27K h-�- -ct-- ------' ' •0 -- � ---�--+-----<' AUDIO AID 3 TO GROUP C t----� EN.SEMBLE ENSEMeL[ DRIVER DRIVER 470.A 470n ENSEMBLE ENSEMBLE AMP.S AMPS TR 21 470A ,10 ... 470n.
  • Page 75 MODEL 200A START I NG SERIAL NO. I 02905 MOUNTED ON R.Ef.0 6-32 X 1/1\ ASS'Y. NO . 203730-3 �··- SELF l Af'f'ING BAR PICKUP .,.--- ---- HEAD � I 6-32, ,,4 RlllJ BAR f'ICKuP �-� ,• � 'r '+ -- - r - � Tk�BU ..
  • Page 76 r -------------- -------------- - 7 r -------------------------------------------------- SPEAKER LOAD :t: �:11D_ _ _____ � ,.. • 8LKJACK£T 4";,6" 4",6 � P , M , -::- I :��NT!NG GR• :�:E E .o.Jr� " IIHD aA(K��i CDND. I 2Z O PF 470K ��K "...

This manual is also suitable for:

203203w206207207v214 ... Show all