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• PHILCO   SERVICE   HINTS   &   TIPS •
TROUBLESHOOTING INFORMATION FOR VARIOUS MODELS

An early Philco repairman at work.

   This section's purpose is to disseminate service information, hints and tips. It includes personal troubleshooting info, tips from newsgroups, and various issues of the Philco Serviceman bulletins.

   If you have any favorite or applicable Philco servicing hints, kinks or tips you'd like to share here with everyone, just contact me and I'll add your information.

          www.ExReps.Com

   If you or someone in your family was a Philco Tech Rep, here is the website for you! www.ExReps.com


Re-building Aluminum Can Electrolytics    
Fixing A Warped Mystery Control Dial Re-building Mershon Wet-Electrolytic Capacitors
Model 80 Performance Modifications Models 80, 81, 84 & 37-84 I.F. Resistor Mod
Model 89 Oscillator Troubles Common Troubles - Case Histories
of Early Models
Blown Pilot Lamps & 35Z5 Open Filament Models 70 and 90 Intermittent Operation
Philco Parts Numbering System Philco Code and Run numbers explained
37-690 Bass Amplification Described Vernier Repair Models 38-8, 38-9, 38-10
Aligning the Magnetic Tuning System Wire-wound control repair
Shadow Meter Repair & Adjustments 1942 FM Dial Scales Explained & FM Converter
Model 17 Sudden Frequency Shift  Models 118/201 Problems at 12 MC.
Model 16 and 17 Q-AVC Adjustments Model 38 Code 123 Excessive Noise
Model 80 Alignment Tips Dial Drive Slip - Models 116, 640, 641, 650, 660, 680
Oscillation Trouble in the 71 & 91 Philco 1937 Sub-chassis Service Tip
Model 81 Police Band Adjustments 37-93 Low Volume - No AVC
Model 16B Squealing or Motorboating Model 37-116X Oscillator Failure
Model 16 Oscillator Failure 37-610 No Reception 7.35-22 MC
Model 16 Tuning Drive Slipping 37-620 No Reception 7.35-22 MC
Oscillation Model 16, Code 125/126 37-630 No Reception 7.35-22 MC
Dial Slip in Models 28, 29, 45 37-630 Intermittent Reception BCB
60 cycle Hum in the Model 60 37-650 Intermittent Fading
60 cycle Hum in the Model 54 37-650 No Reception on BC Band
Model 38 Parasitic Oscillation 37-690 Intermittent Noise
Oscillator Failure in Model 38 37-690 Hum in Sets Prior to Run 3
Rewinding Philco RF Coils I-F Wave Trap and Special Capacitor

DISCLAIMER: These service tips are provided here as a convenience to my site visitors. Use them at your own risk. A solid working knowledge of vintage electronics is essential in using these service tips. If you do not feel comfortable troubleshooting your own set, I strongly suggest you invest in several good books on the subject of servicing antique radios and study these as you practice on an unwanted radio, until you feel comfortable working on them. Old radios contain high voltages that can injure and/or kill! Chuck Schwark shall not be liable for any loss, inconvenience or damage, including direct, special, incidental, or consequential damages, resulting from the use or misuse of the service tips presented herein.

   Another great resource for Philco Tech Tips is the PhilcoRadio.com The PhilcoRadio.com Tech Section

An ever-expanding encyclopedia of information on various Philco subjects including:

Age Guide - Dial Drive Re-building - Speaker Problems - Value Guide - and much more...

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