EMERSON 108 Radio and Phonograph Corporation Instructions
- June 1, 2024
- Emerson
Table of Contents
EMERSON 108 Radio and Phonograph Corporation
Specifications
| Model | Chassis | Schematics | Page |
|---|---|---|---|
| 108, 110 | U5A | Available | 6-17 |
Schematic Diagram Details
The schematic provided shows various electronic components and their connections within the Emerson radio models 108 and 110. The diagram includes components such as tubes, capacitors, resistors, and coils, as well as a speaker and a rectifier. It also provides a bottom view and a top view of the tube layout, indicating the positioning of the 12SA7, 12SK7, 12SQ7, 35Z5GT, and 50L6GT tubes.
Tube Data and Voltage Analysis
The document includes detailed tube data, voltage analysis, and a list of replacement parts. The data specifies the expected voltages at certain points in the circuit, which can be used for troubleshooting and maintenance.
General Notes
General notes provide additional information for correct operation and maintenance of the radio models, including alignment procedures and specific notes on voltage and parts replacement.
Adjustments
Adjustment instructions are given to ensure proper alignment of the radio for optimal performance. This includes information on adjusting the oscillator, antenna, and intermediate frequency transformers.
Changes and Updates
Details on changes made to the chassis U5A for models with serial numbers above 758,100 are provided, including updates to resistors and condensers, along with their corresponding part numbers.
FAQ
Where can I find the schematic for models 108 and 110?
The schematic for these models can be found on page 6-17 of Rider’s Volume VI.What changes have been made to the chassis U5A?
Changes include updates to resistors R-9, R-11, and R-12, as well as condensers C-13 and C-14, with details provided on their new specifications.How do I perform an alignment on my Emerson radio?
Alignment instructions are provided in the general notes section, specifying procedures for adjusting the oscillator, antenna, and intermediate frequency transformers.Read User Manual Online (PDF format)
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