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VT
-181/VT

-181E

ARTS LIST

New Parts

Parts without

Parts No.

are not supplied.

Les articles non mentionnes dans le

Parts No.

ne sont pas fournis.

Teile ohne

Parts No.

werden nicht geliefert.

Ref. No

Add-

ress

Description

Parts No.

L :

Scandinavia

K :

USA

P :

Canada

R :

Mexico

Y :

PX(Far East, Hawaii)

T :

Europe

E :

Europe

G :

Germany

Y :

AAFES(Europe)

X :

Australia

M :

Other Areas

indicates safety critical components.

P101

E40-7603-08

CONNECTOR 15P

P102

E40-7601-08

CONNECTOR 8P

P103

E40-7601-08

CONNECTOR 8P

P11

E40-7604-08

CONNECTOR 2P

E40-7604-08

CONNECTOR 2P

E40-7606-08

CONNECTOR 4P

E40-7604-08

CONNECTOR 2P

E40-7604-08

CONNECTOR 2P

E40-7605-08

CONNECTOR 3P

E40-7606-08

CONNECTOR 4P

Q101

2SK163(K)

FET

Q102

2SK163(K)

FET

Q103

2SA970(GR)

TR.SI,PNP

Q104

2SC1923(O)

TR.SI,NPN

Q105

2SA1015(GR)

TR.SI,PNP

Q106

2SA1015(GR)

TR.SI,PNP

Q107

2SA1015(GR)

TR.SI,PNP

Q108

2SA1015(GR)

TR.SI,PNP

Q109

2SA1015(GR)

TR.SI,PNP

Q110

2SA1015(GR)

TR.SI,PNP

Q111

2SC1815(GR)

TR.SI,NPN

Q112

2SA970(GR)

TR.SI,PNP

Q113

2SA970(GR)

TR.SI,PNP

Q114

2SC1923(O)

TR.SI,NPN

Q115

2SC1923(O)

TR.SI,NPN

Q116

2SA970(GR)

TR.SI,PNP

Q117

2SA970(GR)

TR.SI,PNP

Q118

2SC1923(O)

TR.SI,NPN

Q119

2SA970(GR)

TR.SI,PNP

Q120

2SA970(GR)

TR.SI,PNP

Q122

2SC1923(O)

TR.SI,NPN

Q123

2SC1923(O)

TR.SI,NPN

Q121

2SK30A(Y)

FET

Q124

2SK30A(Y)

FET

R101

RN14BK2H1005F

RES. METAL FILM

10M

1/2W

R102

RN14BK2B9531F

RES. METAL FILM

9.53K

1/8W

R103

R92-1450-05

RESISTOR

6.8K

R104

RD14BB2B681J

RES.CARBON FILM

680

1/8W

R106

RD14BB2B335J

RES.CARBON FILM

3.3M

1/8W

R107

RD14BB2B472J

RES.CARBON FILM

4.7K

1/8W

R108

RD14BB2B201J

RES.CARBON FILM

200

1/8W

R109

RD14BB2E102J

RES.CARBON FILM

1/4W

R110

RD14BB2E750J

RES.CARBON FILM

1/4W

R111

RN14BK2B1241D

RES. METAL FILM

1.24K

1/8W

R112

RN14BK2B4300D

RES. METAL FILM

430

1/8W

R113

RN14BK2B60R0D

RES. METAL FILM

1/8W

R114

RN14BK2B2780D

RES. METAL FILM

278

1/8W

R115

RN14BK2B2780D

RES. METAL FILM

278

1/8W

R116

RN14BK2E1910D

RES. METAL FILM

191

1/4W

R117

RD14BB2B151J

RES.CARBON FILM

150

1/8W

R118

RN14BK2B4120D

RES. METAL FILM

412

1/8W

R119

RN14BK2B4120D

RES. METAL FILM

412

1/8W

R120

RN14BK2B4120D

RES. METAL FILM

412

1/8W

R121

RD14BB2B150J

RES.CARBON FILM

1/8W

R122

RD14BB2B472J

RES.CARBON FILM

4.7K

1/8W

New Parts

Parts without

Parts No.

are not supplied.

Les articles non mentionnes dans le

Parts No.

ne sont pas fournis.

Teile ohne

Parts No.

werden nicht geliefert.

Ref. No

Add-

ress

Description

Parts No.

L :

Scandinavia

K :

USA

P :

Canada

R :

Mexico

Y :

PX(Far East, Hawaii)

T :

Europe

E :

Europe

G :

Germany

Y :

AAFES(Europe)

X :

Australia

M :

Other Areas

indicates safety critical components.

R123

RD14BB2B472J

RES.CARBON FILM

4.7K

1/8W

R124

RD14BB2B472J

RES.CARBON FILM

4.7K

1/8W

R125

RD14BB2B472J

RES.CARBON FILM

4.7K

1/8W

R126

RD14BB2B114J

RES.CARBON FILM

110K

1/8W

R127

RD14BB2B114J

RES.CARBON FILM

110K

1/8W

R128

RD14BB2B114J

RES.CARBON FILM

110K

1/8W

R129

RD14BB2B114J

RES.CARBON FILM

110K

1/8W

R130

RD14BB2B114J

RES.CARBON FILM

110K

1/8W

R131

RD14BB2B114J

RES.CARBON FILM

110K

1/8W

R132

RD14BB2B114J

RES.CARBON FILM

110K

1/8W

R133

RD14BB2B114J

RES.CARBON FILM

110K

1/8W

R134

RD14BB2B114J

RES.CARBON FILM

110K

1/8W

R135

RD14BB2B114J

RES.CARBON FILM

110K

1/8W

R136

RD14BB2B114J

RES.CARBON FILM

110K

1/8W

R137

RD14BB2B114J

RES.CARBON FILM

110K

1/8W

R138

RD14BB2B334J

RES.CARBON FILM

330K

1/8W

R139

RD14BB2B683J

RES.CARBON FILM

68K

1/8W

R140

RD14BB2E432J

RES.CARBON FILM

4.3K

1/4W

R141

RD14BB2B121J

RES.CARBON FILM

120

1/8W

R142

RD14BB2E432J

RES.CARBON FILM

4.3K

1/4W

R143

RD14BB2B272J

RES.CARBON FILM

2.7K

1/8W

R144

RN14BK2B6191F

RES. METAL FILM

6.19K

1/8W

R145

RD14BB2B681J

RES.CARBON FILM

680

1/8W

R146

RN14BK2B2940F

RES. METAL FILM

294

1/8W

R147

RD14BB2B121J

RES.CARBON FILM

120

1/8W

R148

RD14BB2E3R3J

RES.CARBON FILM

3.3

1/4W

R149

RD14BB2E432J

RES.CARBON FILM

4.3K

1/4W

R150

RD14BB2B390J

RES.CARBON FILM

1/8W

R151

RD14BB2E432J

RES.CARBON FILM

4.3K

1/4W

R152

RD14BB2B220J

RES.CARBON FILM

1/8W

R154

RD14BB2B220J

RES.CARBON FILM

1/8W

R155

RD14BB2B272J

RES.CARBON FILM

2.7K

1/8W

R156

RD14BB2E3R3J

RES.CARBON FILM

3.3

1/4W

R157

RD14BB2B681J

RES.CARBON FILM

680

1/8W

R158

RN14BK2B1692F

RES. METAL FILM

16.9K

1/8W

R159

RN14BK2B3010F

RES. METAL FILM

301

1/8W

R160

RD14BB2B681J

RES.CARBON FILM

680

1/8W

R161

RN14BK2B5230F

RES. METAL FILM

532

1/8W

R162

RD14BB2B472J

RES.CARBON FILM

4.7K

1/8W

R163

RN14BK2B3010F

RES. METAL FILM

301

1/8W

R164

RN14BK2B3480F

RES. METAL FILM

348

1/8W

R165

RD14BB2E432J

RES.CARBON FILM

4.3K

1/4W

R166

RD14BB2E432J

RES.CARBON FILM

4.3K

1/4W

R167

RD14BB2B390J

RES.CARBON FILM

1/8W

R168

RD14BB2B681J

RES.CARBON FILM

680

1/8W

R169

RD14BB2B114J

RES.CARBON FILM

110K

1/8W

R170

RD14BB2B683J

RES.CARBON FILM

68K

1/8W

R171

RD14BB2B331J

RES.CARBON FILM

330

1/8W

R172

RD14BB2B331J

RES.CARBON FILM

330

1/8W

R173

RN14BK2B10R0F

RES. METAL FILM

1/8W

R174

RD14BB2B331J

RES.CARBON FILM

330

1/8W

R177

RD14BB2B472J

RES.CARBON FILM

4.7K

1/8W

R178

RD14BB2B472J

RES.CARBON FILM

4.7K

1/8W

R179

RD14BB2B331J

RES.CARBON FILM

330

1/8W

R180

RD14BB2B472J

RES.CARBON FILM

4.7K

1/8W

VT-181/VT-181E(K)

INT

98.4.9

10:31

y[W

Содержание VT-181

Страница 1: ... 1998 4 B51 1132 00 K K HANDLE K01 0564 08 HANDLE COVER B09 0410 08 FRONT PANEL VT 181 A63 0301 08 VT 181E A63 0316 08 SIDE FRAME A13 2254 08 PUSH KNOB K24 3015 08 KNOB K21 0959 08 RORARY KNOB K21 0961 08 RUBBER FOOT J02 0543 08 VT 181 VT 181E K INT98 4 910 26AM y W 2 ...

Страница 2: ...t perform any servicing other than contained in the operating instructions unless you are qualified to do so WARNING CONTENTS SPECIFICATIONS 3 SAFETY 4 CIRCUIT DESCRIPTION 5 BLOCK DIAGRAM 6 ADJUSTMENT 7 PARTS LIST 9 PARTS LIST ELECTRICAL 10 SCHEMATIC DIAGRAM 15 P C BOARD 21 VT 181 VT 181E K INT98 4 910 26AM y W 3 ...

Страница 3: ...V full scale 90 to 40dB 0dB 1V 90 to 42dBm 0dBm 1mW at 600Ω 500V DC AC peak 1V to 300mV range 100V DC AC peak 0 3mV to 300mV range Less than 1 at full scale Rated by signal noise ratio in 0 3mV 1mV and 1V ranges Over 30dB at 0 3mV range Power Supply Section Meter Section VT 181E VT 181 Item Environmental Indoor Use Only Altitude up to 2000m OVERVOLTAGE CATEGORY POLLUTION DEGREE2 Amplifier Section ...

Страница 4: ...oper fuse is installed by replacing the line fuse Voltage conversion This instrument may be operated from either a 100 to 230V 50 60Hz power source Use the following procedure to change from 100 to 230V operation or vice verse 1 Remove the fuse holder 2 Replace fuse F1 with a fuse of appropriate value 3 Reinsert it for appropriate voltage range 4 When performing the reinsertion of fuse holder for ...

Страница 5: ...ps by FET switch 0dB 10dB 20dB and 30dB 5 Main Amplifier A wideband non inverting differential amplifier act as the main amplifier Which has high input impedance low output impedance and 20 fold gain This output signal level is 20mVrms for the fullscale read on the Meter 6 Output Amplifier A wideband non inverting differential amplifier act as a out put amplifier Which has 50 fold gain and 600Ω ou...

Страница 6: ...E REF METER DC5V GND DC 5V POWER ON OFF IMPEDANCE CONVERTER MAIN AMP OUTPUT AMP ABSOLUTE MEAN VALUE DET AC 100V 120V 220V 230V 50 60Hz 1st ATT 2nd ATT 3rd ATT GAIN CONTROL ATT CONTROL ROTARY SW POWER TRANSFORMER POWER SUPPLY VT 181 VT 181E K INT 98 4 9 10 31 AM y W 11 ...

Страница 7: ...rate measuring instrument and an insulated adjusting flat blade screwdriver If they are not available contact your dealer For optimum adjustment turn the power on and warm up the scope suffi ciently more than 30 minutes before starting Before calibrating the unit check the power supply voltage TEST EQUIPMENT REQUIRED The following instrument or their equivalent should be used for making adjustment...

Страница 8: ...t be deformed VT 181 VT 181E 8 ADJUSTMENT ITEM 100 kHz TC101 frequency RANGE 1V characteristics 1 Input a 1kHz or 400 Hz 1 Vrms sine wave and adjust the oscillator output so that the pointer of the set points at 9 0 2 Adjust the TC so that the pointer points at 9 0 when the frequency is changed to 100 kHz while the oscillator output remains unchanged PROCEDURE ADJUSTMENT POINT 0 3 10 Scale 9 Scale...

Страница 9: ...N UNIT W02 2368 08 PANEL UNIT W02 2365 08 RANGE UNIT W01 0522 08 ACCESSORIES 1 New Parts Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert Ref No Add ress Description Parts No L Scandinavia K USA P Canada R Mexico Y PX Far East Hawaii T Europe E Europe G Germany Y AAFES Europe X Australia M Other Area...

Страница 10: ...CC45FCH1H070D CAP CERAMIC 7P 50 D C147 CQ92FM1H103J CAP PLASTIC 0 01U 50 J C148 CC45FCH1H100J CAP CERAMIC 10P 50 J C150 CQ92BP1H122K CAP PLASTIC 1200P 50 K C152 CE04EW1A471Z CAP ELECTRO 470U 10 Z C153 CC45FCH1H010C CAP CERAMIC 1P 50 C D101 1N4148 DIODE D102 1N4148 DIODE D103 1N4148 DIODE D106 1N4148 DIODE D107 1N4148 DIODE D108 1N4148 DIODE D109 1N4148 DIODE D110 1N4148 DIODE 1 New Parts Parts wit...

Страница 11: ... No L Scandinavia K USA P Canada R Mexico Y PX Far East Hawaii T Europe E Europe G Germany Y AAFES Europe X Australia M Other Areas indicates safety critical components R128 RD14BB2B114J RES CARBON FILM 110K 0 125 R129 RD14BB2B114J RES CARBON FILM 110K 0 125 R130 RD14BB2B114J RES CARBON FILM 110K 0 125 R131 RD14BB2B114J RES CARBON FILM 110K 0 125 R132 RD14BB2B114J RES CARBON FILM 110K 0 125 R133 R...

Страница 12: ... 50V C140 CC45FCH2H222K CAP CERAMIC 2200P K 500V C141 CF93AN2E104K CAP METALIZED 0 1U K 250V C142 CC45FCH1H120J CAP CERAMIC 12P J 50V C143 CC45FCH1H070D CAP CERAMIC 7P D 50V C147 CQ92FM1H103J CAP PLASTIC 0 01U J 50V C148 CC45FCH1H100J CAP CERAMIC 10P J 50V C150 CQ92BP1H122K CAP PLASTIC 1200P K 50V C152 CE04EW1A471Z CAP ELECTRO 470U Z 10V C153 CC45FCH1H010C CAP CERAMIC 1P C 50V D101 1N4148 DIODE D1...

Страница 13: ...Europe E Europe G Germany Y AAFES Europe X Australia M Other Areas indicates safety critical components R123 RD14BB2B472J RES CARBON FILM 4 7K J 1 8W R124 RD14BB2B472J RES CARBON FILM 4 7K J 1 8W R125 RD14BB2B472J RES CARBON FILM 4 7K J 1 8W R126 RD14BB2B114J RES CARBON FILM 110K J 1 8W R127 RD14BB2B114J RES CARBON FILM 110K J 1 8W R128 RD14BB2B114J RES CARBON FILM 110K J 1 8W R129 RD14BB2B114J RE...

Страница 14: ...W R186 RD14BB2B161J RES CARBON FILM 160 J 1 8W TC101 C05 0707 08 CAP TRIMMER U101 MC14066BCP IC QUAD ANALOG SWITCH MPX U102 LM7805 IC FIXED VOLTAGE REGULATOR U103 LM7905 IC FIXED VOLTAGE REGULATOR VR101 R12 1545 05 RES SEMI FIXED 1K 1 10W VR102 R12 0575 05 RES SEMI FIXED 100 1 10W J73 0540 08 PCB UNMOUNTED E40 7609 08 CONNECTOR 4P S60 0628 08 ROTARY SWITCH S101 J73 0540 08 PCB UNMOUNTED E40 7609 0...

Страница 15: ...A C E B D 2 1 3 5 7 4 6 VT 181 SCHEMATIC DIAGRAM VT 181 VT 181E K INT 98 4 9 10 31 AM y W 16 ...

Страница 16: ...F G I H J 2 1 3 5 7 4 6 VT 181E SCHEMATIC DIAGRAM VT 181 VT 181E K INT 98 4 9 10 31 AM y W 13 ...

Страница 17: ...K M O L N 2 1 3 5 7 4 6 VT 181 SCHEMATIC DIAGRAM VT 181 VT 181E K INT 98 4 9 10 31 AM y W 12 ...

Страница 18: ...P Q S R T 2 1 3 5 7 4 6 VT 181E SCHEMATIC DIAGRAM VT 181 VT 181E K INT 98 4 9 10 31 AM y W 9 ...

Страница 19: ...U W Y V X 2 1 3 5 7 4 6 VT181 VT181E VT 181 VT 181E K INT98 4 910 31AM y W 8 ...

Страница 20: ...Z AA AC AB AD 2 1 3 5 7 4 6 VT 181 VT 181E K INT98 4 910 31AM y W 5 ...

Страница 21: ...5 7 4 6 Refer to the schematic diagram for the values of resistors and capacitors MAIN UNIT W02 2355 08 W02 2356 08 RANGE UNIT W02 2365 08 W02 2366 08 Pattern side view PANEL UNIT W02 2368 08 Pattern side view VT 181 VT 181E K INT98 4 910 31AM y W 4 ...

Страница 22: ...VT 181 VT 181E A product of KENWOOD TMI CORPORATION 1 16 2 Hakusan Midori ku Yokohama City 226 Japan VT 181 VT 181E K INT98 4 910 26AM y W 1 ...

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