User Manual
Table Of Contents
- PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY
- WARNING TO SERVICE PERSONNEL
- MICROWAVE MEASUREMENT PROCEDURE
- FOREWORD AND WARNING
- PRODUCT DESCRIPTION
- GENERAL INFORMATION
- OPERATION
- TROUBLESHOOTING GUIDE
- TEST PROCEDURES
- [1] Procedure A: MAGNETRON ASSEMBLY TEST
- [2] Procedure B: POWER TRANSFORMER TEST
- [3] Procedure C: HIGH VOLTAGE RECTIFIER TEST
- [4] Procedure D: HIGH VOLTAGE CAPACITOR TEST
- [5] Procedure E: THERMAL CUT OUT TEST
- [6] Procedure F: SECONDARY INTERLOCK SWITCH TEST
- [7] Procedure F: PRIMARY INTERLOCK SYSTEM TEST
- [8] Procedure G: MONITOR SWITCH TEST
- [9] Procedure H: BLOWN MINITOR FUSE TEST
- [10] Procedure I: NOISE FILTER TEST
- [11] Procedure J: CONTROL PANEL ASSEMBLY TEST
- [12] Procedure L: RELAY TEST
- [13] Procedure M: FOIL PATTERN ON THE PRINTED WIRING BOARD TEST
- TOUCH CONTROL PANEL ASSEMBLY
- PRECAUTIONS FOR USING LEAD-FREE SOLDER
- COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
- [1] WARNING
- [2] OUTER CASE REMOVAL
- [3] POWER TRANSFORMER REMOVAL
- [4] HIGH VOLTAGE RECTIFIER ASSEMBLY AND HIGH VOLTAGE CAPACITOR REMOVAL
- [5] MAGNETRON REMOVAL
- [6] CONTROL PANEL ASSEMBLY REMOVAL
- [7] OVEN LAMP AND LAMP SOCKET REMOVAL
- [8] POSITIVE LOCK CONNECTOR (NO-CASE TYPE) REMOVAL
- [9] ANTENNA MOTOR REMOVAL
- [10] COOLING FAN MOTOR REMOVAL
- [11] POWER SUPPLY CORD REPLACEMENT
- [12] DOOR SENSING SWITCH/SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH REMOVAL
- [13] DOOR SENSING SWITCH/SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH ADJUSTMENT
- [14] DOOR PARTS REMOVAL
- [15] ANTENNA MOTOR SHAFT REPLACEMENT
- [16] INSTALLATION OF CERAMIC SHELF
- CIRCUIT DIAGRAMS
- Parts List
R21LCF
4 – 1
R21LCF
Service Manual
CHAPTER 4. PRODUCT DESCRIPTION
[1] SPECIFICATIONS
ITEM DESCRIPTION
Power Requirements
120 Volts
14 Amperes
60 Hertz
Single phase, 3 wire grounded
Power Output
1000 watts (IEC Test procedure)
Operating frequency 2450 MHz
Outer case Dimensions
Width 20-1/2" (520mm)
Height 12-1/8" (309mm)
Depth 16" (406mm)
Cooking Cavity Dimensions
Width 13-7/8" (353mm) NOTE: Internal capacity is calculated by measuring
Height 8-1/ 8" (207mm) maximum width, depth and height.
Depth 14-5/8" (370mm) Actual capacity for holding food is less.
Control Complement
Light Up Dial (6 minutes)
No cooking control
Oven Cavity Light Yes
Safety Standard
UL Listed.
FCC Authorized
DHHS Rules, CFR, Title 21, Chapter 1, Subchapter J, NSF certified