Parts List; Parts Identification; Assembly Instructions - Elenco Electronics TT-400K Assembly And Instruction Manual

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

Qty Symbol Description
1 R4 200
1 R2 4.7k
1 R3 15k
1 R6 100k
1 R1 50k
1 R5 100k
Qty Symbol Description
5 D1 - D5 1N4004
1 D6 LED (Light Emitting Diode)
Qty Description
1 PC Board
1 Switch DPDT
24" Solder Roll
1 Meter
1 Modular Jack
1 Telephone Cable Assembly
1 Case Top
2 Aluminum Spacer 4-40 x 1/2"
1 Case Bottom
1 Screw 4-40 x 1/4" Phillips Flat Head
3 Screw 4-40 x 1/4" Phillips Black
4 Screw #4 x 1/2" Phillips
1 Wire 22 Black Solid 7.5"
Resistor
Color bands show
resistor values
RESISTORS
5% 1W
5% 1/4W
5% 1/4W
5% 1/4W
Pot Trim
Pot Trim
MISCELLANEOUS

PARTS IDENTIFICATION

Diode
Color Code
red-black-brown-gold
yellow-violet-red-gold
brown-green-orange-gold
brown-black-yellow-gold
DIODES
LED
Flat
-6-
132002
144700
151500
161000
191550
191610
314004
350004
517300
541009
551124
572002
621007
621008
623108
624431
62PX2GB
641431
641433
642465
814120
Modular Jack
Part #
Part #
Part #