Table Of Contents - Sharp R-990KS Service Manual

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] 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
CONTENTS
[7]
[8]
[9]
[10] Procedure J: MOTOR WINDING TEST . . .... 8-4
[11] Procedure K: HIGH VOLTAGE FUSE
[12] Procedure L: NOISE FILTER TEST....... . .... 8-4
[13] Procedure M: TOUCH CONTROL PANEL
[14] Procedure N: KEY UNIT (MEMBRANE
[15] Procedure O: RELAY TEST................... . .... 8-5
[16] Procedure P: PROCEDURES TO BE TAK-
.....5-2
[17] Procedure Q: AH SENSOR TEST ......... . .... 8-6
CHAPTER 9. TOUCH CONTROL PANEL ASSEM-
BLY
[1]
[2]
[3]
[4]
[5]
CHAPTER 10. COMPONENT REPLACEMENT AND
ADJUSTMENT PROCEDURE
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10] TURNTABLE MOTOR AND/OR COU-
[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-
[16] STOP SWITCH, UPPER LATCH SWITCH,
[17] STOP SWITCH, UPPER LATCH SWITCH,
Procedure G: TEMPERATURE FUSE
AND TERMAL CUT-OUT TEST ............ . .... 8-3
Procedure H: CONVECTION HEATER
TEST...................................................... . .... 8-3
Procedure I: THERMISTOR TEST ........ . .... 8-3
TEST...................................................... . .... 8-4
ASSEMBLY TEST.................................. . .... 8-4
SWITCH) TEST ..................................... . .... 8-5
EN WHEN THE FOIL PATTERN ON THE
PRINTED WIRING BOARD (PWB) IS
OPEN..................................................... . .... 8-5
OUTLINE OF TOUCH CONTROL PANEL
DESCRIPTION OF LSI .......................... . .... 9-1
ABSOLUTE HUMIDITY SENSOR CIR-
CUIT ...................................................... . .... 9-4
SERVICING FOR TOUCH CONTROL
PANEL ................................................... . .... 9-5
PRECAUTIONS FOR USING LEAD-
FREE SOLDER ..................................... . .... 9-6
BEFORE OPERATING .......................... . .. 10-1
OUTER CASE REMOVAL ..................... . .. 10-1
POWER TRANSFORMER REMOVAL .. . .. 10-2
MAGNETRON REMOVAL ..................... . .. 10-2
HIGH VOLTAGE RECTIFIER ASSEMBLY
REMOVAL ............................................. . .. 10-2
HIGH VOLTAGE CAPACITOR REMOVAL
OVEN LAMP SOCKET REMOVAL........ . .. 10-2
HEATER UNIT ASSEMBLY REMOVAL
(HEATING ELEMENT/THERMISTOR) .. . .. 10-2
CONTROL PANEL ASSEMBLY AND
CONTROL UNIT REMOVAL.................. . .. 10-3
PLING REMOVAL.................................. . .. 10-3
MENT..................................................... . .. 10-4
LOWER LATCH SWITCH AND MONITOR
SWITCH REMOVAL .............................. . .. 10-5
LOWER LATCH SWITCH AND MONITOR
SWITCH ADJUSTMENT ....................... . .. 10-5
..... 9-1
... 10-2