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The GALAXY SERVICE MANUAL
Here's the latest edition of our real service manual for these popular CB radios and Ham radios! No more fuzzy photocopies of schematics that you cant read no matter how large. No more guessing about all the other essential technical information you must have, like voltage measurements, PLL and circuit theory, block diagrams, scope photos, alignment procedures, and much more.
Similar to our Uniden Export Service Manual, this expanded new 32-page book was completely written and illustrated by Lou Franklin in his famous crystal-clear style. The schematics are all redrawn for greater clarity in 11" x 17" sizes, with active stages and trimmer adjustments plainly labelled, and part numbers converted to the American style (".047µF" instead of "473M", etc.).
Most of the models listed on this page were made by Ranger Communications Inc. (RCI) and based on the original Uniden PB010 export chassis described in our Uniden Export Service Manual. Those that weren't are Chinese or European copies using identical circuits and often the same parts numbers. Study this one book and you'll understand all of them!
Main chassis EPT3600-10A,
-11Z, -13B, -14B includes:
Alan 87, Cherokee CBS2100, NR100, NR150, Connex 3300, 3500, Dirland 3300, 3500, 3600, 3700, 3900, Eagle 2000, Excalibur (base), Excalibur Samurai, Galaxy 11B, Galaxy 2100, Galaxy II, Galaxy DX33, DX44, DX55, DX66, DX73V, DX77, DX88, DX99, Galaxy Jupiter, Galaxy Melaka, Galaxy Pluto, Galaxy Saturn, Galaxy Sirius, General Lee, Mirage 44, Mirage 6600, Mirage 88, Mirage 9900, Mirage II, Mirage III, Northstar 3000, 4000, 6000, 9000, 9500, President Franklin, Super Galaxy, Superstar Grant, Superstar 3300, 3500, 3600, 3900. (May be others.)
Main Ranger chassis
Cobra 148FGTL-DX+, Connex 4400, 4800, Galaxy DX45MP, DX48T, DX93T, DX95T, DX2517, Ranger 99, RCI2960, RCI2980, RCI6300. (May be others.)
Main Ranger chassis
Galaxy DX949, DX959, DX2547, Texas Ranger 396, 399, 696, 699, 900 series. (May be others.)
Also useful for understanding & comparing to main chassis in: Eagle 5000, Euro 3900, Galaxy 22B, Galaxy 2527, Galaxy Saturn Turbo, Mirage 2950EX, Mirage 2970EX, RCI 2950, 2950DX, 2970DX, 2980, 2985DX, 2990DX, 2995DX, 6900, Sommerkamp TS2000DX. (The TX & RX circuits on the main chassis are nearly identical electrically; the main difference is in synthesizer circuits.)
Heres a summary of all the
useful information in our new Galaxy Service Manual:
Transceiver Specifications · Master Frequency, Channel, & VCO Chart
Alignment Locations for EPT3600, EPT6900, & EPT0696 Main Chassis
Parts Layout for EPT3600, EPT6900, & EPT0696 Main Chassis
Theory of Operation · Where to Find Parts · RCI-8719 PLL Truth Chart
Simplified PLL & Mixing Diagram · MC145106 & RCI-8719 PLL Pin Diagrams
EPT3600 Voltage Measurements · EPT6900/EPT0696 Voltage Measurements
Understanding the CD4008 4-Bit Adder · Active Filter Circuit Diagram
EPT3600 Transceiver Block Diagram · EPT6900/EPT0696 Transceiver Block Diagram
CD4008 Truth Chart & PLL IC Pinouts · RF Amp Oscilloscope Photos by Stage
Alignment Procedure Test Equipment Setups · Stage Gain Measurements
General & PLL Alignment Procedure · NJM4558D Internal Pin Functions
Receiver Alignment Procedure · Transmitter Alignment Procedure
EPT3600 Schematic Circuit Diagram · EPT6900 Schematic Circuit Diagram
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