Kenwood VT-181 - User Manual

AC VOLTMETER
VT-181/VT-181E
SERVICE MANUAL
KENWOOD TMI CORPORATION
© 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) INT 98.4.9 10:26 AM y[W 2

Summary

Safety Warnings

Technical Specifications

Electrical Safety and Power

Line Voltage and Power Cords

Line Fuse and Voltage Conversion

Circuit Description

Block Diagram

Calibration Procedures

300 mV Range Adjustment

Procedure for calibrating the 300mV range, including input signal and waveform checks.

1 V Range Adjustment

Procedure for calibrating the 1V range with signal input and pointer verification.

100 kHz Frequency Characteristics Calibration

Procedure for adjusting the unit to maintain accuracy at 100 kHz.

VT-181 Schematic Diagram

VT-181 E Schematic Diagram

Range Unit Diagrams

Panel Unit Diagram

Kenwood VT-181 Specifications