Sharp KB-6015KS User Manual

1
KB-6015KS
KB-6015KK
KB-6015KW
In the interest of user-safety the unit should be restored to its original condition and only parts identical to those specified
should be used.
WARNING TO SERVICE PERSONNEL:
This service manual is intended for use by persons having electrical and mechanical training and a level of
knowledge of these subjects generally considered acceptable in the appliance repair trade. Sharp Electronics
Corporation cannot be responsible, nor assume any liability, for injury or damage of any kind arising from the
use of this manual.
Microwave ovens contain circuitry capable of producing very high voltage and current. Contact with the
following parts may result in a severe, possibly fatal, electrical shock. (High Voltage Capacitor, High Voltage
Power Transformer, High Voltage Rectifier and Heat sink etc., and Magnetron, High Voltage Harness etc..)
S25M246KB6015
KB-6015KS
KB-6015KK
KB-6015KW
MICROWAVE DRAWER
MODELS
SERVICE MANUAL
TABLE OF CONTENTS
Page
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO
AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY ................... INSIDE FRONT COVER
BEFORE SERVICING ...................................................................................................... INSIDE FRONT COVER
WARNING TO SERVICE PERSONNEL ............................................................................................................... 1
MICROWAVE MEASUREMENT PROCEDURE .....................................................................................................2
FOREWORD AND WARNING ................................................................................................................................3
PRODUCT SPECIFICATIONS ............................................................................................................................... 4
SCHEMATICS .......................................................................................................................................................8
TEST PROCEDURES ............................................................................................................................................9
TOUCH CONTROL PANEL ASSEMBLY ............................................................................................................. 17
MICROWAVE DRAWER DISASSEMBLY............................................................................................................25
WIRING DIAGRAMS ........................................................................................................................................... 31
PRINTED WIRING BOARDS ...............................................................................................................................32
PARTS LIST ........................................................................................................................................................ 36
PACKING AND ACCESSORIES ......................................................................................................................... 40
This document has been published to be used for after sales service only. The contents are subject to change without notice.
SHARP ELECTRONICS CORPORATION
KB-6015KS pictured

Sharp KB-6015KS Specifications

General

Brand	Sharp
Model	KB-6015KS
Category	LCD Drawer
Language	English

Summary

PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY

WARNING TO SERVICE PERSONNEL

Identifies the manual's intended audience and disclaims liability for improper use.

BEFORE SERVICING

Outlines initial steps and checks required before commencing service on the unit.

MICROWAVE MEASUREMENT PROCEDURE

Requirements

Specifies leakage limits and interlock switch functions for safe microwave operation.

Preparation for testing

Details the setup and load requirements for accurate microwave leakage testing.

Leakage test

Provides step-by-step instructions for conducting the microwave leakage measurement.

FOREWORD

PRODUCT DESCRIPTION

SCHEMATICS

TEST PROCEDURE

TOUCH CONTROL PANEL

Overview of the touch control panel functionality and components.

MICROWAVE DRAWER DISSASSEMBLY AND ADJUSTMENT PROCEDURE

Instructions for taking apart and adjusting the microwave drawer assembly.

WIRING DIAGRAM

Diagram illustrating the electrical connections and components of the microwave.

PARTS LIST

List of all available replacement parts with their reference numbers.

MICROWAVE DRAWER SPECIFICATION

GENERAL INFORMATION

GROUNDING INSTRUCTIONS

Details proper grounding procedures for safe appliance operation and to prevent electric shock.

OPERATION

DESCRIPTION OF OPERATING SEQUENCE

Explains the sequence of component functions during normal oven operation.

POWER LEVEL P-0 TO P-90 COOKING

Describes how variable cooking power levels are controlled by relay timing.

SENSOR COOKING CONDITION

TEST PROCEDURES

COMPONENT TEST

Guides on testing individual components of the microwave oven.

TOUCH CONTROL PANEL ASSEMBLY TEST

KEY UNIT TEST

RELAY TEST

DEFROST TEST

PROCEDURES TO BE TAKEN WHEN THE FUSE ON THE PRINTED WIRING BOARD (PWB) IS OPEN.

AH SENSOR TEST

CHECKING CONTROL UNIT

MAGNETRON ASSEMBLY TEST

MICROWAVE OUTPUT POWER

THERMAL CUT-OUT TEST

SECONDARY INTERLOCK SWITCH TEST

STOP SWITCH TEST

MONITOR SWITCH TEST

BLOWN MONITOR FUSE TEST

POWER TRANSFORMER TEST

TOUCH CONTROL PANEL ASSEMBLY

OUTLINE OF TOUCH CONTROL PANEL

Describes the main units of the touch control panel and their interconnections.

DESCRIPTION OF LSI (IC-1)

TOUCH CONTROL PANEL SERVICING

Precautions for Handling Electronic Components

Guidelines for safely handling sensitive electronic components like CMOS LSI.

Servicing of Touch Control Panel

Procedures for servicing the touch control panel with power from the oven or an external source.

Servicing Tools

Lists essential tools required for servicing the touch control panel assembly.

Other Precautions

Additional precautions regarding static electricity, connections, and component placement.

PRECAUTIONS FOR USING LEAD-FREE SOLDER

COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE

WARNING AGAINST HIGH VOLTAGE

Critical safety warning about high voltage hazards present in microwave oven circuitry.

WARNING FOR WIRING

Precautions to prevent electric shock when performing wiring tasks on the appliance.

MICROWAVE DRAWER DISASSEMBLY

STOP SWITCH, SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH REMOVAL

Re-install

Procedures for re-installing the removed switches and ensuring proper operation.

STOP SWITCH, SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH ADJUSTMENT

Steps for adjusting the door sensing, secondary interlock, and monitor switches for correct alignment.

DRAWER/SLIDE RAIL REMOVAL

DRAWER ASSEMBLY AND CHOKE REMOVAL

Instructions for removing the drawer assembly, choke cover, and related components.

DRAWER SUPPORT ANGLE REMOVAL

Steps to remove drawer support angles and latch angle assemblies.

SWITCH ANGLE REMOVAL/ADJUSTMENT

SWITCH ANGLE REMOVAL

Procedure for removing and reinstalling switch angles, including adjustment.

ACTUATOR REMOVAL/ADJUSTMENT

Steps for removing and adjusting actuators to ensure proper switch lever depression.

AUTO DRAWER GEAR REMOVAL

RACK GEAR REMOVAL

MICROWAVE DRAWER WIRING DIAGRAM

CONTROL PANEL PARTS LIST

CONTROL PANEL

Diagram showing the assembly and reference numbers for control panel components.

MICROWAVE DRAWER PARTS LIST

MICROWAVE DRAWER HARNESSES

Diagram illustrating the various wire harnesses used within the microwave drawer.

PACKING PARTS LIST

PACKING