Sharp R-990KS - Table of Contents

CONTENTS
CHAPTER 1. BEFORE SERVICING
[1] GENERAL IMPORTANT INFORMATION.....1-1
[2] CAUTION MICROWAVE RADIATION ........1-1
[3] WARNING ..................................................1-1
CHAPTER 2. WARNING TO SERVICE PERSONNEL
CHAPTER 3. PRODUCT SPECIFICATIONS
CHAPTER 4. APPEARANCE VIEW
[1] OVEN .........................................................4-1
[2] TOUCH CONTROL PANEL........................4-1
CHAPTER 5. OPERATION SEQUENCE
[1] OFF CONDITION .......................................5-1
[2] MICROWAVE COOKING CONDITION ......5-1
[3] CONVECTION COOKING CONDITION.....5-1
[4] AUTOMATIC MIX COOKING CONDITION.....5-2
[5] ABSOLUTEHUMIDITYSENSOR (AH
SENSOR)COOKING CONDITION .............5-2
[6] AH SENSOR COOKING SEQUENCE .......5-3
[7] MULTI COOK .............................................5-3
[8] EASY DEFROST COOKING......................5-3
[9] FIRE SENSING FEATURE (MICROWAVE
MODE)........................................................5-3
CHAPTER 6. FUNCTION OF IMPORTANT COMPO-
NENTS
[1] DOOR OPEN MECHANISM.......................6-1
[2] UPPER LATCH SWITCH, LOWER LATCH
SWITCHAND STOP SWITCH ....................6-1
[3] MONITOR SWITCH ...................................6-1
[4] THERMAL CUT-OUT 150C (CONV.) .........6-1
[5] THERMAL CUT-OUT 95C (FAN MOTOR).....6-1
[6] TEMPERATURE FUSE 150C (MG) ...........6-1
[7] FUSE F10A 250V .......................................6-1
[8] THERMISTOR............................................6-1
[9] TURNTABLE MOTOR ................................6-1
[10] CONVECTION MOTOR .............................6-1
[11] FAN MOTOR ..............................................6-1
[12] CONVECTION HEATER ............................6-1
[13] CONVECTION COOKING SYSTEM..........6-2
[14] DAMPER OPEN-CLOSE MECHANISM.....6-2
[15] HIGH VOLTAGE FUSE ..............................6-2
CHAPTER 7. TROUBLESHOOTING GUIDE
[1] FOREWORD ..............................................7-1
[2] CHART .......................................................7-1
CHAPTER 8. TEST PROCEDURES
[1] Procedure A: MAGNETRON (MG) TEST.....8-1
[2] Procedure B: POWER TRANSFORMER
TEST ..........................................................8-2
[3] Procedure C: HIGH VOLTAGE RECTIFI-
ER TEST ....................................................8-2
[4] Procedure D: HIGH VOLTAGE CAPACI-
TOR TEST..................................................8-2
[5] Procedure E: SWITCH TEST .....................8-3
[6] Procedure F: FUSE F10A...........................8-3
[7] Procedure G: TEMPERATURE FUSE
AND TERMAL CUT-OUT TEST ................. 8-3
[8] Procedure H: CONVECTION HEATER
TEST........................................................... 8-3
[9] Procedure I: THERMISTOR TEST ............. 8-3
[10] Procedure J: MOTOR WINDING TEST...... 8-4
[11] Procedure K: HIGH VOLTAGE FUSE
TEST........................................................... 8-4
[12] Procedure L: NOISE FILTER TEST.......
..... 8-4
[13] Procedure M: TOUCH CONTROL PANEL
ASSEMBLY TEST....................................... 8-4
[14] Procedure N: KEY UNIT (MEMBRANE
SWITCH) TEST .......................................... 8-5
[15] Procedure O: RELAY TEST........................ 8-5
[16] Procedure P: PROCEDURES TO BE TAK-
EN WHEN THE FOIL PATTERN ON THE
PRINTED WIRING BOARD (PWB) IS
OPEN.......................................................... 8-5
[17] Procedure Q: AH SENSOR TEST .............. 8-6
CHAPTER 9. TOUCH CONTROL PANEL ASSEM-
BLY
[1] OUTLINE OF TOUCH CONTROL PANEL ..... 9-1
[2] DESCRIPTION OF LSI ............................... 9-1
[3] ABSOLUTE HUMIDITY SENSOR CIR-
CUIT ........................................................... 9-4
[4] SERVICING FOR TOUCH CONTROL
PANEL ........................................................ 9-5
[5] PRECAUTIONS FOR USING LEAD-
FREE SOLDER .......................................... 9-6
CHAPTER 10. COMPONENT REPLACEMENT AND
ADJUSTMENT PROCEDURE
[1] BEFORE OPERATING ............................. 10-1
[2] OUTER CASE REMOVAL ........................ 10-1
[3] POWER TRANSFORMER REMOVAL ..... 10-2
[4] MAGNETRON REMOVAL ........................ 10-2
[5] HIGH VOLTAGE RECTIFIER ASSEMBLY
REMOVAL ................................................ 10-2
[6] HIGH VOLTAGE CAPACITOR REMOVAL... 10-2
[7] OVEN LAMP SOCKET REMOVAL........... 10-2
[8] HEATER UNIT ASSEMBLY REMOVAL
(HEATING ELEMENT/THERMISTOR) ..... 10-2
[9] CONTROL PANEL ASSEMBLY AND
CONTROL UNIT REMOVAL..................... 10-3
[10] TURNTABLE MOTOR AND/OR COU-
PLING REMOVAL..................................... 10-3
[11] CONVECTION MOTOR REMOVAL ......... 10-3
[12] DAMPER ASSEMBLY REMOVAL ............ 10-3
[13] FAN MOTOR REPLACEMENT................. 10-3
[14] CORD HOLDER REMOVAL..................... 10-4
[15] POWER SUPPLY CORD REPLACE-
MENT........................................................ 10-4
[16] STOP SWITCH, UPPER LATCH SWITCH,
LOWER LATCH SWITCH AND MONITOR
SWITCH REMOVAL ................................. 10-5
[17] STOP SWITCH, UPPER LATCH SWITCH,
LOWER LATCH SWITCH AND MONITOR
SWITCH ADJUSTMENT .......................... 10-5