Elenco Telephone Line Analyzer Kit - Manual (Page 7)

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ASSEMBLY INSTRUCTIONS
INTRODUCTION
Assembly of your TT-400K Telephone Line Analyzer will prove to be an exciting project and give much
satisfaction and personal achievement. If you have experience in soldering and wiring technique you should
have no problem in the assembly of this kit. Care must be given to identifying the proper components and in
good soldering habits. Above all, take your time and follow the easy step-by-step instructions. Remember, “An
ounce of prevention is worth a pound of cure”. Avoid making mistakes and no problems will occur.
PARTS LIST
RESISTORS
Qty Symbol Description Color Code Part #
1 R4 200
Ω
5% 1W red-black-brown-gold 132002
1 R2 4.7k
Ω
5% 1/4W yellow-violet-red-gold 144700
1 R3 15k
Ω
5% 1/4W brown-green-orange-gold 151500
1 R6 100k
Ω
5% 1/4W brown-black-yellow-gold 161000
1 R1 50k
Ω
Pot Trim 191550
1 R5 100k
Ω
Pot Trim 191610
DIODES
Qty Symbol Description Part #
5 D1 - D5 1N4004 314004
1 D6 LED (Light Emitting Diode) 350004
MISCELLANEOUS
Qty Description Part #
1 PC Board 517300
1 Switch DPDT 541009
24” Solder Roll 551124
1 Meter 572002
1 Modular Jack 621007
1 Telephone Cable Assembly 621008
1 Case Top 623108
2 Aluminum Spacer 4-40 x 1/2” 624431
1 Case Bottom 62PX2GB
1 Screw 4-40 x 1/4” Phillips Flat Head 641431
3 Screw 4-40 x 1/4” Phillips Black 641433
4 Screw #4 x 1/2” Phillips 642465
1 Wire 22 Black Solid 7.5” 814120
Resistor
Color bands show
resistor values
PARTS IDENTIFICATION
Diode LED Modular Jack
Flat