Sharp AX-1100 Service Manual

CONTENTS
CHAPTER 1. BEFORE SERVICING
CHAPTER 2. WARNING TO SERVICE PERSON-
NEL
CHAPTER 3. PRECAUTIONS FOR USING LEAD-
FREE SOLDER
CHAPTER 4. PRODUCT DESCRIPTION
[1] SPECIFICATIONS ...................................... 4-1
[2] TEST DATA AT A GLANCE ........................ 4-1
CHAPTER 5. APPEARANCE VIEW
[1] OVEN DIAGRAM ........................................ 5-1
[2] CONTROL PANEL...................................... 5-2
[3] IMPORTANT INSTRUCTIONS ................... 5-3
CHAPTER 6. OPERATION
[1] Water supply/drainage schematic ............... 6-1
[2] Operation of electric parts in each heat-
ing mode ..................................................... 6-3
[3] OFF CONDITION........................................ 6-3
CHAPTER 7. FUNCTION OF IMPORTANT COM-
PONENTS
[1] DOOR OPEN MECHANISM ....................... 7-1
[2] SWITCH...................................................... 7-1
[3] FUSE .......................................................... 7-1
[4] ASYMMETRIC RECTIFIER ........................ 7-1
[5] THERMAL CUT-OUT.................................. 7-2
[6] NOISE FILTER............................................ 7-2
[7] HEATING ELEMENT .................................. 7-2
[8] MOTOR....................................................... 7-2
[9] THERMISTOR ............................................ 7-2
CHAPTER 8. TROUBLESHOOTING GUIDE
CHAPTER 9. TEST PROCEDURES
[1] A: MAGNETRON TEST .............................. 9-1
[2] B: HIGH VOLTAGE TRANSFORMER
TEST........................................................... 9-2
[3] C: HIGH VOLTAGE RECTIFIER TEST....... 9-2
[4] D: HIGH VOLTAGE CAPACITOR TEST..... 9-2
[5] E: SWITCH TEST ....................................... 9-3
[6] F: MONITOR SWITCH TEST ..................... 9-3
[7] G: THERMISTOR TEST ............................. 9-3
[8] H: THERMAL CUT-OUT TEST ................... 9-3
[9] I: BLOWN FUSE (F1) 20A .......................... 9-3
[10] J: BLOWN FUSE (F2) F8A (NOISE FIL-
TER)............................................................ 9-4
[11] K: NOISE FILTER TEST ............................. 9-4
[12] L: GRILL HEATING ELEMENTS (TOP)
AND ENGINE HEATING ELEMENT
TEST........................................................... 9-4
[13] M: CONTROL UNIT TEST.......................... 9-4
[14] N: KEY UNIT (MEMBRANE SWITCH)
TEST........................................................... 9-5
CHAPTER 10. ERROR LIST
[1] Error List ................................................... 10-1
[2] How to check in the event of an error ....... 10-2
CHAPTER 11. TEST MODE
CHAPTER 12. COMPONENT REPLACEMENT
AND ADJUSTMENT PROCEDURE
[1] BEFORE OPERATING ............................. 12-1
[2] OUTER CASE CABINET REMOVAL........ 12-1
[3] HIGH VOLTAGE COMPONENTS RE-
MOVAL...................................................... 12-2
[4] HIGH VOLTAGE TRANSFORMER RE-
MOVAL...................................................... 12-2
[5] MAGNETRON REMOVAL ........................ 12-2
[6] ANTENNA MOTOR REPLACEMENT....... 12-2
[7] FAN MOTOR REPLACEMENT..............
... 12-2
[8] PUMP MOTOR REMOVAL ....................... 12-3
[9] INTAKE DAMPER MOTOR AND IN-
TAKE DAMPER SWITCH REMOVAL ....... 12-3
[10] BACK PLATE REMOVAL.......................... 12-3
[11] BOTTOM PLATE REMOVAL .................... 12-3
[12] ENGINE UNIT ASSEMBLY REMOVAL .... 12-4
[13] SHAKEDOWN OPERATION OF NEW
ENGINE UNIT ASSEMBLY....................... 12-4
[14] THERMISTOR (ENGINE) REMOVAL....... 12-4
[15] OVEN LAMP REMOVAL........................... 12-4
[16] POWER SUPPLY CORD REPLACE-
MENT........................................................ 12-5
[17] CONTROL UNIT REMOVAL..................... 12-5
[18] KEY SHEET AND MEMBRANE
SWITCH REPLACEMENT........................ 12-5
[19] MONITORED INTERLOCK SWITCH,
MONITOR SWITCH AND DOOR SENS-
ING SWITCH REMOVAL .......................... 12-6
[20] MONITORED INTERLOCK SWITCH,
DOOR SENSING SWITCH AND MONI-
TOR SWITCH ADJUSTMENT .................. 12-6
[21] DOOR REPLACEMENT ........................... 12-7
[22] INSTALLATION OF DOOR PACKING ...... 12-8
[23] PLUMBING ............................................... 12-9
CHAPTER 13. MICROWAVE MEASUREMENT
CHAPTER 14. CIRCUIT DIAGRAMS
[1] PICTORIAL DIAGRAM ............................. 14-1
[2] MAIN CIRCUIT ......................................... 14-3
[3] CONTROL UNIT CIRCUIT ....................... 14-4
Parts List

Sharp AX-1100 Specifications

General

Brand	Sharp
Model	AX-1100
Category	Microwave Oven
Language	English