Wurlitzer USA Service Bulletins PDFs - click to download or open links
| John F. Rider PDF schematics of early amplifiers: P-30/35, P-400, 24, 24A, 29, 41, 50, 51, 61, 312, 412, 71, 102 (Cobra), and 217 |
| Service Hints - 1947 - E. J. Mape Distributing - Seeburg or Wurlitzer Slow Record Start |
| Service Notes - Emarcy Distributing - 2140 BarBox and 212 Master Unit |
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| Service Slant list from W178 to W245 (1947 - 1951) |
| Missing: W: 1-132, 133-171, 174, 175, 186, 187, 191, 218, 263, 265, 273, 278, 279, 282, 283, 285, 287, 288, 289, 290, 313, 317, 318, 319, 321-327, 351, 372, 374, 376, and 382 or later. |
| W-132 Connecting Wall Boxes from 24s to 800s (thanks Justin S.) |
| W-133 to 171 - ? - NEEDED! |
| W-172 Adjustments Model 219 Stepper For Other Wallboxes (thanks Jukeland) |
| W-173 - Wall Box with New Style Model 219 Impulse Stepper |
| W-174 to 175 - ? - NEEDED! |
| W-176 - Locks no longer available (thanks Hildegard Stamann) |
| W-177- New Multi-Wire Wall Box (thanks Hildegard Stamann) |
| W-178 - Sequence of Contact Setting for Release Relay |
| W-179 - Model 1017/A Must Reverse Transformer Wires (thanks Hildegard Stamann) |
| W-180 - 24-Play mechanisms - Actuating Lever Maintenance (thanks Bill Butterfield) |
| W-181 - 1015-1017 50Hz Fluorescent Resistor Needed.pdf (thanks Hildegard Stamann) |
| W-182 - Taper Reamers, Sizes #0, #00, #000 (thanks Bill Butterfield) |
| W-183 - Wiring Change Model 3045 Wall Box Serial 1,651,474 and up (thanks Hildegard Stamann) |
| W-184 - Tone Arm Weight &Needle Pressure Versus Record Wear (thanks Bill Butterfield) |
| W-185 - Fader Adaptors - Break-down of Kits (thanks Bill Butterfield) |
| W-186, 187 - ? - NEEDED! |
| W-188 - Tying of Wires to Contact Plate (thanks Bill Butterfield) |
| W-189 - Increasing Power Output of Model 217 Auxiliary Amplifier with Model 28 Volume Control (thanks Bill Butterfield) |
| W-190 Ordering Parts Returns Issue3 1949 (thanks Hildegard Stamann) |
| W-191 - ? - NEEDED! |
| W-192 - Change over Instructions for New Type Contact Cam Lever (thanks Bill Butterfield) |
| W-193 - Excessive Length of Screws in Clutch Assembly (thanks Bill Butterfield) |
| W-194 - Line Transformers or (Matching Transformers) with Remote Speakers for Improved Performance of Auxiliary Amplifiers (thanks Hildegard Stamann) |
| W-195 - Coins Jamming in Coin Moto-Drive (thanks Bill Butterfield) |
| W-196 - Installation of Full Stroke Switch, Coin Moto-Drive (thanks Bill Butterfield) |
| W-197(copy) - Allen Set Screw Wrenches (thanks Bill Butterfield) |
| W-198 - Instructions for adding Turntable Stabilizing Arm (thanks Bill Butterfield) |
| W-199 - Change in Design of Change Key Stop Bracket (thanks Bill Butterfield) |
| W-200 - Failure of Fuses in 2140 Bar Box Installations (thanks Bill Butterfield) |
| W-201 - Instructions for Installing Gear & Bearing Assembly Moving Light (thanks Bill Butterfield) |
| W-202 - Replacement of Rotor Bearings in Motor (thanks Bill Butterfield) |
| W-203- Adjustment of Pulse Timing in Model 212 Master Unit (thanks Bill Butterfield) |
| W-204 - Relay for Model 216 Impulse Receiver (thanks Bill Butterfield) |
| W-205 - Instructions for Connecting Auxiliary Speakers to Main Amplifier (Model 506) l080A &1100 Phonographs (thanks Hildegard Stamann) |
| W-206 Speaker 4004A-4006A 3.5-Ohm Connections (thanks Hildegard Stamann) |
| W-207 Speaker 4007-4008 8-Ohm Connections (thanks Hildegard Stamann) |
| W-208 - Fading, Intermittent, or Noisy Operation (thanks Bill Butterfield) |
| W-209 - Coin Switch Wiring (thanks Bill Butterfield) |
| W-210 - Correct Operation of Timing Switch (thanks Bill Butterfield) |
| W-211 - Encore Program Selector, Center Housing Assembly and Torsion Spring (thanks Bill Butterfield) |
W-212 - Step by Step Routine Check of Model 2140 Bar Box Installation (thanks Bill Butterfield) |
| W-213 - Method of Numbering Relay Contacts (thanks Bill Butterfield) |
| W-214 - Fuse Failure Fixes (thanks Bill Butterfield) |
| W-215 - Installation of Spring Washer in Tone Arm Post bearing (thanks Bill Butterfield) |
| W-216 - Burning of Full Cycle Switch (thanks Bill Butterfield) |
| W-217 1100 50Hz Cage Resistor (thanks Hildegard Stamann) |
| W-218 - ? - NEEDED! |
| W-219 - 1017A Model 78 Microphone Wiring (thanks Hildegard Stamann) |
| W-220 - Adapter For Kit 87 with 671 771 amps (thanks Hildegard Stamann) |
| W-221 - Binding of Selector Buttons (thanks Bill Butterfield) |
| W-222 - Link &Cancel Solenoid Assembly (To be entered on Page 6, S298) (thanks Bill Butterfield) |
| W-223 - Turntable Drive Clutch Spring #52332 Tension (thanks Hildegard Stamann) |
| W-224(copy) - Design Change of Zenith Cobra Cartridge (thanks Bill Butterfield) |
| W-225 - 6 Plays for 25¢ - 3020 Wallbox (thanks Bill Butterfield) |
| W-226(copy) - Indexing Plate and Cancel Crank (thanks Bill Butterfield) |
| W-227 1250 Noise In Sound During Cycle Change (thanks Hildegard Stamann) |
| W-228 - Selector Adjustments (thanks Bill Butterfield) |
| W-229 - Turntable Speed 78 to 45 or 33-1/3RPM (thanks Bill Butterfield) |
| W-230 - Model 2140 - 2 Wire System (thanks Stefan van de Poll) |
| W-231 - Alignment Tool, Turntable Shaft (thanks Bill Butterfield) |
| W-232 -1250 Switch And Bracket Tone Arm Assy (thanks Hildegard Stamann) (Superseded by W237) |
| W-233 -219 Steppers 3020 3025 3045 WallBoxes Conversion To 3-Wire (thanks Hildegard Stamann) |
| W-234 - 1250 Rewiring Record Selection in Numerical Sequence (thanks Hildegard Stamann) |
| W-235 - 1250-1217 Adapter For Microphone Kit 78 (thanks Hildegard Stamann) |
| W-236 -1250 Index Wheel Locking Adjustment (thanks Hildegard Stamann) |
| W-236 - Index Wheel Locking Adjustment (thanks Bill Butterfield) |
| W-237 - Micro Switches for Model 1250 Tone Arms (thanks Bill Butterfield) |
| W-238 - Installation of Free-Wheeling Cam, Part No. 55049, on Model 1217 (thanks Bill Butterfield) |
| W-239 - Gear Box Lubricant (thanks Bill Butterfield) |
| W-240 1015 Cancel Solenoid (thanks Hildegard Stamann) |
| W-241 - Muting Switch Operation on Models 510 and 514 Amplifiers (thanks Bill Butterfield) |
| W-242(copy) - Transformer Replacement (thanks Bill Butterfield) |
| W-243 - Stocking Assorted Microswitches (thanks Hildegard Stamann) |
| W-244 - Model 1400 and 1450 with 24 Selection Wall Box (thanks Bill Butterfield) |
| W-245 - Installation Instructions for Needle Cleaning Brush (thanks Bill Butterfield) |
| W-246 - 1100 Refinishing Front Door (thanks Hildegard Stamann) |
| W-247 - Modification 3020 WallBox for 24V Motor (thanks Bill Butterfield) |
| W-250 - Encore Selector Motor Repair. (thanks Bill Butterfield) |
| W-251 - Operator Card Holder - 1500-1550 (thanks Bill Butterfield) |
| W-252 - Installation Sector Gearn Assy - Tray Take Out 1500-1550 (thanks Bill Butterfield) |
| W-253 - Selector Coil and Latch Pin replacement 1500-1550 (thanks Bill Butterfield) |
| W-254 - ? - NEEDED! |
| W-255 - Installation replacement Back Stop Pawl (thanks Bill Butterfield) |
| W-256 - 1500 Record Changer (thanks Bill Butterfield) |
| W-257 - 1500_1550_1500A_1550A_TurntableMotorReplacement (thanks Bill Butterfield) |
| W-258 - 1600 Tone Arm adjust for 45RPM |
| W-259 - 1500A 1550A 1600 1650 Microphonic Amplifier Problem (thanks Hildegard Stamann) |
| W-260 - 255 Stepper polarity of capacitor. (thanks Bill Butterfield) |
| W-261 - Remote Control chart 1250-1700 (thanks Bill Butterfield) |
| W-262 - 1700 Latch Switch wiring change (thanks Bill Butterfield) |
| W-263 - ? - NEEDED! |
| W-264 - 5117 Speaker - how to hang (thanks Bill Butterfield) |
| W-265 - ? - NEEDED! |
| W-266 - Coin Conversion On Current Models 1700, 1800 ,5205-5206-5207 (thanks Bill Butterfield) |
| W-267 - 1800 5207 Coin Paddle modification (thanks Bill Butterfield) |
| W-268 - Adapter Cable for WallBox and Stepper Combinations - Pinouts 1700-1900 (thanks Bill Butterfield) |
| W-269 - Modification Automatic Level 528HF Amp (thanks Bill Butterfield) |
| W-270 - Selector Alignment Fixture 1700-1800 (thanks Bill Butterfield) |
| W-271 - 1900 256A-Stepper Mod (thanks Hildegard Stamann) |
| W-272 - Kit 147 Mods to use with 1500-1800s (thanks Bill Butterfield) |
| W-273 - ? - NEEDED! |
| W-274 - To Tighten Driver Lever Mounting Stud - 1900 (thanks Bill Butterfield) |
| W-275 - 1900 Increase Ventilation (thanks Hildegard Stamann) |
| W-276 - 2100 Schematic And Wiring Changes (thanks Hildegard Stamann) |
| W-277 - 5210 WallBox Selector Button Latch Bar Setting (thanks Hildegard Stamann) |
| W-278-279 - ? - NEEDED! |
| W?? - 2100-2150 Selector Button Service (thanks Hildegard Stamann) |
| W-280 - 2100-2250 Interchanging Playracks (thanks Hildegard Stamann) |
| W-281 - Kit 154 - Correction Installation Instructions (thanks Bill Butterfield) |
| W-282/283 - ? - NEEDED! |
| W-284(copy) - Installing New Dome Glass - 2400 (thanks Bill Butterfield) |
| W-285 - ? - NEEDED! |
| W-286(copy) - Operation Voltage Doubler Power Supply for 538 Stereo Amplifier (thanks Bill Butterfield) |
| W-287 to W-290 - ? - NEEDED! |
| W-291 - Bussman Fuse Test Light |
| W-292 - 2400 fuses use 2A Slo Blow Littlefuse (not Bussman), replaces 3A regular |
| W-293 - Modify Kit 147 to Kit 147A remote volume |
| W-294 - Kit differences between l62A (2500-1/2500-3) or l62B (2510-1/2510-3/2504-1/2504-3) Top Tunes Kit 162 |
| W-295 2500 Fix For Sleeve Slipping in Gear & Ratchet Assy #116986 |
| W-296 Protection Stepper Pulse Magnets |
| W-297 Eliminate Arcing Steppers |
| W-298 2500 Level Build-up EPs |
| W-299 Replace Metal Coin Paddles |
| W-300 2500 Cleaning Plastic |
| W-301 2500 Records Start Loud |
| W-302 Stepper 259-a Erratic |
| W-303 2400&2500 25A Bridge Replacement |
| W-304 Amp 530-538 Replacement Output Transformers |
| W-305 2600 Rumble In Music |
| W-306 2600 Replace Ball Thrust Bearing Fix Audio Waver |
| W-307 2710 Fix Free Play |
| W-308 2700 8/10thsAmp Letter Coil Fuse Blows |
| W-309 2800 Ry-3 Contacts Problems |
| W-310 2800 Contacts Welding Ry-4 |
| W-311 2810 Free Play Cheat Fix |
| W-312 2800 Incorrect Credits Top Tunes |
| W-313 - ? - NEEDED! |
W-314 2800 Free Selection Cheat Fix Do not use - see W-314R |
| W-314R 2800 Free Selection Cheat Fix Replaces W-314 New Jan 10, 2024™ |
| W-315 Early 222B Transformer Out Of Phase |
| W-316 PlayRack 5220 & 5225 Mods & Adjustments |
| W-317 - ? - NEEDED! |
| W-318 - ? - NEEDED! |
| W-319 - ? - NEEDED! |
| W-320 3200 Mod Mic Kit 190 For 548 Amps |
| W-321 to W-327 - ? - NEEDED! |
| W-328 3400 Audio Popping Clicking |
| W-329 3400 Hiss & Noise Fix |
| W-330 3400 Top Tunes Upgrade |
| W-331 3400 Wiring Layout Change |
| W-332 3400 Safety Switch Fix |
| W-333 Stepper 265 Incorrect Wiring |
| W-334 3400 Fix Playmeter Lever |
| W-335 3400 PlaySwitch Revised |
| W-336 3400 Stylus Pressure Change |
| W-337 3400 Record Clamp Setting |
| W-338 3400 Back Stop Pawl Revised Adjustment |
| W-339 3400 Revised Readout Arm Adjustment |
| W-340 3400 Die Cast Record Takeout Arm Stop Adjustment |
| W-341 3400 Low Frequency Hum |
| W-342 Wiring Change Top Tunes Unit New Jan 10, 2024 |
| W-343 3400 Lubrication Ball Spring & Sleeve |
| W-344 Suplemental Record Clamp Adjustment Updated Jan 10, 2024 |
| W-345 Dollar Bill Double Pulser New Jan 10, 2024 |
| W-346 3400 Record Arm Shaft Coupling New Jan 10, 2024 |
| W-347 3400 New Procedure Side 1 & 2 Readout PreTravel |
| W-348 Lubrication Record Takeout Arm Bevel Gear New Jan 10, 2024 |
| W-349 3400 Low Frequency Hum When Idle |
| W-350 3400 Supplemental Adjustment Procedure Override Assy |
| W-351 - ? - NEEDED! |
| W-352 3400 To Correct Readout Switch Circuitry |
| W-353 Phonograph Stepper Wallbox Compatibilty Chart |
| W-354 3500 Play Counter Hangs up |
| W-355 3500 Play Counter Hangs up update |
| W-356-3500 Four Quarter Credit Accumulator Fix |
| W-357 3500 and 368 & 369 Stepper Unidentified Relays |
| W-358 3500 551 Amp Blows Fuse |
| W-359 3500 Connecting 5134 Satellite Selective Console |
| W-360 3500 551 Amp Intermittent Loss of Bass & Treble |
| W-361 3500 Too Many Credits (replaced by W-365) |
| W-362 3500 New Wallbox 5220 & 5220A & 5225 |
| W-363 3500 Intermittent Operation of Transfer Switch |
| W-364 3500 TopTune&LP Credit Cancellation Setup |
| W-365 3500 Update Coin Register Adjustments Replaces W-361 |
| W-366 3500 Magazine Lock Sol Chatters Turntable Motor Speed Varies Side 1 Shift Sol Chatter |
| W-367 3500 Modification Satellite Selective Console 5134 (replaced by W-373) |
| W-368 3500 Selector Accumulator Motor Running On |
| W-369 3500 3 Amp Slo-Blo Fuses Opening At Full Volume |
| W-370 3500 Dollar Bill Adapter Shock Hazard |
| W-371 3500 Over-Crediting |
| W-372 - ? - NEEDED! |
| W-373 3500 Modify 5134 Satellite Selective Console Replaces W-367 |
| W-374 - ? - NEEDED! |
| W-375 3600 Fluorescent Lamp Repairs |
| W-376 - ? - NEEDED! |
| W-377 DWurl C110 Cassette update add retaining rings (E-Clips) Updated Jan 10, 2024 |
| W-378 3700 Selector Switch Clean And Adjust Procedure |
| Wurlitzer Letter re Transistor problem - Timing Board - 3700, 3760, & 7500A see W-379, W-381, & W-381-1 - New Jan 10, 2024 |
| W-379 3700/7500 Transistor Updates New Jan 10, 2024 (replaced by W-380 and W-381/381-1 |
| W-380 3700 556 Amp Upgrade when CV Speakers are overloading amp |
| W-381 3700, 3760, 7500A Traic board update Replaces W-379 1st version |
| W-381-1 3700 Updates to W-381Keyboard Updated 2nd version |
| W-382? Any more after W-381 - ? - NEEDED! |
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