Elenco Electronics M-2665K Assembly And Instruction Manual Download

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PARTS LIST - SECTION B

RESISTORS

Qty.

Symbol

Description

Color Code

Part #

R13

Ω

.5% 1/2W

brown-black-gold-green / OR brn-blk-blk-sil-grn

111051

R12

Ω

.5% 1/4W

white-black-black-silver-green

119050

100

Ω

.5% 1/4W

brown-black-black-black-green

131050

900

Ω

.5% 1/4W

white-black-black-black-green

139050

R28

1.3k

Ω

1% 1/4W

brown-orange-black-brown-brown

141230

R27

Ω

1% 1/4W

red-black-black-brown-brown

142030

R46

5.6k

Ω

5% 1/4W

green-blue-red-gold

145600

R26

8.2k

Ω

5% 1/4W

gray-red-red-gold

148200

Ω

.5% 1/4W

white-black-black-brown-green

149050

R25

39.2k

Ω

1% 1/4W

orange-white-red-red-brown

153930

90k

Ω

.5% 1/4W

white-black-black-red-green

159050

900k

Ω

.5% 1/4W

white-black-black-orange-green

169050

Ω

.5% 1/2W

white-black-black-yellow-green

179051

VR1

200

Ω

/ 220

Ω

Potentiometer

191320

Note:

Some resistors may not have a color coding, but they will have the value imprinted on them.

Note:

Resistor tolerance (last band) of 5-band resistors may be green instead of brown.

CAPACITORS

Qty.

Symbol

Value

Description

Part #

Electrolytic (Lytic)

272244

SEMICONDUCTORS

Qty.

Symbol

Value

Description

Part #

D1, D2

1N4001 or 1N4007

Diode

314001

MISCELLANEOUS

Qty.

Symbol

Description

Part #

Shunt Wire M1.6 x 60

100069

Fuse 2A

533020

SW1

Slide Switch

541104

Slide Switch Knob

622004

Fuse Holder Clips

663003

Input Socket

664000

Test Lead Set

RWTL14

SECTION B

DC Voltage & Current Circuit

* Part installed on PC board already

-22-

Top Case

Figure K

(A)

Top Plates

(B)

Bearings

Springs

Spring

Range Selector Knob

Battery

Spring

Ball

Bearing

Grease

Selector

Knob

Bottom Case

Shield Plate

Battery

Cushion

M3 x 12 Screws

Stand

Summary of Contents for M-2665K

Page 1: ...ttp www elenco com e mail elenco elenco com DIGITAL MULTIMETER KIT MODEL M 2665K WIDE RANGE DIGITAL MULTIMETER WITH CAPACITANCE AND TRANSISTOR TESTING FEATURES Assembly and Instruction Manual Elenco E...

Page 2: ...xperience in soldering and wiring technique you should have no problems For the beginner care must be given to identifying the proper components and in good soldering habits Above all take your time a...

Page 3: ...scharge as fixed rate slope When the charge is equal to the initial starting point autozero level the read period is ended Since the discharge slope is fixed during the read period the time required i...

Page 4: ...is CAUTION sign denotes a hazard It calls attention to a procedure practice or the like which if not correctly adhered to could result in damage to or destruction of part or all of the instrument This...

Page 5: ...ck 3 Set the range selector knob to the position 4 If the semiconductor junction being measured is connected to the circuit turn off the power to the circuit being tested and discharge all of the capa...

Page 6: ...leads to the device or circuit being measured 5 Turn on the power to the device or circuit being measured The voltage value will appear on the digital display along with the voltage polarity 6 Turn o...

Page 7: ...es 2 Avoid any excessive accumulation of resin build up whenever you solder a connection 3 Take your time assembling the circuit board Work at a slow pace Remember that accuracy is far more important...

Page 8: ...remove the solder and the iron and let the connection cool The solder should have flowed smoothly and not lump around the wire lead 4 Here is what a good solder connection looks like 2 Insufficient s...

Page 9: ...0 1 2 3 4 5 8 9 Multiply By 1 10 100 1k 10k 100k 01 0 1 Multiplier Note The letter R may be used at times to signify a decimal point as in 3R3 3 3 10 F 16V 103K 100V The letter M indicates a tolerance...

Page 10: ...crew 1 2 turn Slip the two shims under the knob see Figure L If they do not slip in turn back the screw another 1 4 turn Tighten the screw just enough so that the shims can be pulled out You should no...

Page 11: ...0000 1 PC Board 516000A 1 Solder Roll 551135 1 Battery Snap BAT 590098 1 Battery 590009 1 LCD Window Plate 621002A 1 Range Selector Knob 622003 1 Bushing 624004 Qty Description Part 1 LCD Stopper 6290...

Page 12: ...N5232 Diode see Figure C BAT Battery Snap Insert both wires through the hole and mount the red wire to the hole and the black wire to the hole Solder the wires from the top legend side Notch Notch 24...

Page 13: ...Range Selector Knob LCD Window Plate NOTE If the range selector switch becomes hard to turn then loosen the M2 3 x 8 screw slightly 23 Testing Procedure SECTION C AC voltage and current circuit Measu...

Page 14: ...R1 9M 5 1 2W white black black yellow green 179051 1 VR1 200 220 Potentiometer 191320 Note Some resistors may not have a color coding but they will have the value imprinted on them Note Resistor toler...

Page 15: ...es orange white red red brown see Figure E C1 22 F Lytic Capacitor see Figure F R27 2k 1 1 4W Res red blk blk brown brown see Figure E R28 1 3k 1 1 4W Res brn orange blk brn brn see Figure E R46 5 6k...

Page 16: ...of 1 10 amps If the tests are not working check for cold solder joints and part values Turn the meter off and remove the battery and test leads DO NOT PROCEED TO SECTION C WITHOUT YOUR INSTRUCTOR S AP...

Page 17: ...der the socket to the PC board Insert the IC into the socket with the notch as shown below Socket Notch C8 Figure I Mount the capacitor with the negative lead in the negative hole and the positive lea...

Page 18: ...own brown brown 141930 1 R40 4 12k 1 1 4W yellow brown red brown brown 144130 1 R9 9k 1 1 4W white black black brown brown 149030 1 R38 10k 1 1 4W brown black black red brown 151030 1 R43 11k 1 1 4W b...

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