Table Of Contents - Sharp R-969IN Service Manual

CHAPTER 1. BEFORE SERVICING
[1] GENERAL IMPORTANT INFORMA-
TION ...................................................... . .... 1-1
[2] WARNING.............................................. . .... 1-1
[3] CAUTION MICROWAVE RADIATION ... . .... 1-2
CHAPTER 2. WARNING TO SERVICE PERSON-
NEL
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] GRILL COOKING CONDITION ............. . .... 5-2
[4] CONVECTION COOKING CONDITION..... 5-2
[5] DUAL COOKING CONDITION .............. . .... 5-2
[6] ON/OFF TIME RATIO ............................ . .... 5-2
[7] AUTOMATIC COOKING ........................ . .... 5-3
[8] POWER OUTPUT REDUCTION ........... . .... 5-3
[9] FAN MOTOR OPERATION.................... . .... 5-3
[10] CONVECTION MOTOR OPERATION... . .... 5-3
[11] ABSOLUTEHUMIDITYSENSOR (AH
SENSOR)COOKING CONDITION ........ . .... 5-3
[12] AH SENSOR COOKING SEQUENCE... . .... 5-3
CHAPTER 6. FUNCTION OF IMPORTANT COM-
PONENTS
[1] DOOR OPEN MECHANISM .................. . .... 6-1
[2] MONITORED LATCH SWITCH (SW1) .. . .... 6-1
[3] STOP SWITCH (SW2) ........................... . .... 6-1
[4] MONITOR SWITCH (SW3).................... . .... 6-1
[5] FUSE (F1) 20A 250V ............................. . .... 6-1
[6] FUSE (F2) F8A 250V (NOISE FILTER) . . .... 6-1
[7] TC TRANSFORMER ............................. . .... 6-1
[8] THERMAL CUT-OUT (TC1) 125C (MG)..... 6-1
[9] THERMAL CUT-OUT (TC2) 170C
(GRILL) .................................................. . .... 6-1
[10] THERMAL CUT-OUT (TC3) 170C
(CONV.).................................................. . .... 6-1
[11] ASYMMETRIC RECTIFIER ................... . .... 6-1
[12] NOISE FILTER....................................... . .... 6-2
[13] TURNTABLE MOTOR (TTM)................. . .... 6-2
[14] FAN MOTOR (FM) ................................. . .... 6-2
[15] CONVECTION MOTOR (CM)................ . .... 6-2
[16] GRILL HEATING ELEMENT (GH) ......... . .... 6-2
[17] CONVECTION HEATING ELEMENT
(CH) ....................................................... . .... 6-2
[18] CONVECTION COOKING SYSTEM ..... . .... 6-2
[19] FIRE SENSING FEATURE .................... . .... 6-2
[20] OPEN JUDGE BY THERMISTOR ......... . .... 6-2
[21] DAMPER OPEN-CLOSE MECHANISM..... 6-3
CONTENTS
CHAPTER 7. TROUBLESHOOTING GUIDE
[1] FOREWORD.......................................... . .... 7-1
[2] CHART................................................... . .... 7-2
CHAPTER 8. TEST PROCEDURES
[1] Procedure A: MAGNETRON TEST ....... . .... 8-1
[2] Procedure B: HIGH VOLTAGE TRANS-
FORMER 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: THERMISTOR TEST ....... . .... 8-3
[7] Procedure G: THERMAL CUT-OUT
TEST...................................................... . .... 8-3
[8] Procedure H: MOTOR WINDING TEST..... 8-3
[9] Procedure I: NOISE FILTER TEST ........ . .... 8-4
[10] Procedure J: BLOWN FUSE (F1) 20A... . .... 8-4
[11] Procedure K: BLOWN FUSE (F2) 8A
(NOISE FILTER) .................................... . .... 8-4
[12] Procedure L: GRILL HEATING ELE-
MENTS (TOP) AND CONVECTION
HEATING ELEMENT TEST ................... . .... 8-4
[13] Procedure M: CONTROL PANEL AS-
SEMBLY TEST ...................................... . .... 8-4
[14] Procedure N: KEY UNIT TEST .............. . .... 8-5
[15] Procedure O: RELAY TEST ................... . .... 8-5
[16] Procedure P: PROCEDURES TO BE
TAKEN WHEN THE FOIL PATTERN ON
THE PRINTED WIRING BOARD (PWB)
IS OPEN ................................................ . .... 8-6
[17] Procedure Q: AH SENSOR TEST ......... . .... 8-6
CHAPTER 9. TOUCH CONTROL PANEL ASSEM-
BLY
[1] OUTLINE OF TOUCH CONTROL PAN-
EL .......................................................... . .... 9-1
[2] ABSOLUTE HUMIDITY SENSOR CIR-
CUIT....................................................... . .... 9-1
[3] SERVICING FOR TOUCH CONTROL
PANEL ................................................... . .... 9-2
CHAPTER 10. PRECAUTIONS FOR USING LEAD-
FREE SOLDER
CHAPTER 11. COMPONENT REPLACEMENT
AND ADJUSTMENT PROCEDURE
[1] BEFORE OPERATING .......................... . ...11-1
[2] OUTER CASE REMOVAL ..................... . ...11-1
[3] HIGH VOLTAGE COMPONENTS RE-
MOVAL................................................... . ...11-1
[4] HIGH VOLTAGE TRANSFORMER RE-
MOVAL................................................... . ...11-2
[5] MAGNETRON REMOVAL ..................... . ...11-2
[6] CONTROL PANEL ASSEMBLY RE-
MOVAL................................................... . ...11-2