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Kenwood pds20-18 User Manual

Kenwood pds20-18
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REGULATED DC POWER SUPPLY
PDS20-18/PDS36-10
PDS60-6
SERVICE MANUAL
KENWOOD TMI CORPORATION
© 1998-4/B51-1132-00 (K/K)
POWER
REGULATED DC POWER SUPPLY PDS36-10
0 +36V (10A)
-
+
PRESET
KEYLOCK/LOCAL
MEMCRY
VOLTAGE
CURRENT
FAST/SLOW
CC
CV
CVP
OUTPUT
8.8.8.8.
8.8.8.8.
0 +60V (6A)
GND
Front Panel
(PDS20-18 ; A63-0309-03)
(PDS36-10 ; A63-0311-03)
(PDS60-6 ; A63-0315-03)
Handle
(K01-0556-05)
Push Button
(K29-7204-04)
Circuit Protector
(S79-0625-05)
Terminal ; White
(E21-0807-03)
Terminal ; Red
(E21-0806-03)
Rubber Foot
(J02-0506-05)
Terminal ; White
(E21-0807-03)
Terminal ; Red
(E21-0806-03)
Terminal ; Black
(E21-0808-03)
Rotary Encoder
(K21-0911-04)
PDS-20-18(K) 1,1( 98.12.3 17:07 y[W 1
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Kenwood pds20-18 Specifications

General IconGeneral
BrandKenwood
Modelpds20-18
CategoryPower Supply
LanguageEnglish

Summary

WARNING

General Safety Instructions

Adherence to safety precautions for qualified personnel during servicing to avoid electric shock.

SPECIFICATIONS

Performance Characteristics

Specifications for voltage/current regulation, ripple noise, transient response, and accuracy.

CIRCUIT DESCRIPTION

Control Unit Circuits

Description of circuits within the control unit: DAC, CV/CC, Monitor, Alarm, and Others.

Power Unit Circuits

Description of circuits within the power unit: control, current detection, bleeder, and alarm circuits.

CPU Unit Circuits

Description of circuits within the CPU unit: CPU, switches, ports, display drivers, and optional boards.

Mother Unit Circuits

Description of circuits within the mother unit: rectifiers, switchers, control, detectors, and main switch.

AC Unit Circuits

Description of circuits within the AC unit: filters, rectifiers, switching, control, protection, and detectors.

BLOCK DIAGRAMS

ADJUSTMENT PROCEDURES

Voltage Adjustment Steps

Steps for adjusting Voltage REF Offset, REF Gain, and Monitor Offset/Gain.

Current Adjustment Steps

Steps for adjusting Current Ref Offset, Ref Gain, Monitor Offset/Gain.

Over Voltage Protection Adjustment

Procedure for adjusting the Over Voltage Protect (OVP) setting.

SCHEMATIC DIAGRAMS

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