Table Of Contents - Sharp R-380LS Service Manual

CHAPTER 1. BEFORE SERVICING
CHAPTER 2. WARNING TO SERVICE PERSON-
NEL
CHAPTER 3. PRODUCT SPECIFICATIONS
CHAPTER 4. APPEARANCE VIEW
CHAPTER 5. OPERATION SEQUENCE
[1] OFF CONDITION................................... . .... 5-1
[2] MICROWAVE COOKING CONDITION.. . .... 5-1
[3] POWER OUTPUT REDUCTION ........... . .... 5-1
[4] SENSOR COOKING CONDITION......... . .... 5-1
CHAPTER 6. FUNCTION OF IMPORTANT COM-
PONENTS
[1] DOOR OPEN MECHANISM .................. . .... 6-1
[2] 1ST. LATCH SWITCH AND 2ND. IN-
TERLOCK RELAY CONTROL SWITCH ..... 6-1
[3] MONITOR SWITCH .............................. . .... 6-1
[4] FUSE F10A............................................ . .... 6-1
[5] HIGH VOLTAGE FUSE ......................... . .... 6-1
[6] OVEN TEMPERATURE FUSE .............. . .... 6-1
[7] TURNTABLE MOTOR............................ . .... 6-1
[8] FAN MOTOR.......................................... . .... 6-1
[9] NOISE FILTER....................................... . .... 6-1
CHAPTER 7. TROUBLESHOOTING GUIDE
CHAPTER 8. TEST PROCEDURES
[1] A: MAGNETRON (MG) TEST................ . .... 8-1
[2] B: POWER TRANSFORMER TEST ...... . .... 8-2
[3] C: HIGH VOLTAGE RECTIFIER TEST.. . .... 8-2
[4] D: HIGH VOLTAGE CAPACITOR TEST..... 8-2
[5] E: SWITCH TEST .................................. . .... 8-3
[6] F: TEMPERATURE FUSE TEST ........... . .... 8-3
[7] G: MOTOR WINDING TEST.................. . .... 8-3
[8] H: FUSE F10A ....................................... . .... 8-3
[9] I: NOISE FILTER TEST ......................... . .... 8-3
[10] J: HIGH VOLTAGE FUSE TEST ............ . .... 8-4
[11] K: TOUCH CONTROL PANEL ASSEM-
BLY TEST .............................................. . .... 8-4
[12] L: KEY UNIT (MEMBRANE SWITCH)
TEST...................................................... . .... 8-4
[13] M: RELAY TEST .................................... . .... 8-5
[14] N: PROCEDURES TO BE TAKEN
WHEN THE FOIL PATTERN ON THE
PRINTED WIRING BOARD (PWB) IS
OPEN..................................................... . .... 8-5
[15] O: AH SENSOR TEST........................... . .... 8-5
CHAPTER 9. TOUCH CONTROL PANEL ASSEM-
BLY
[1] OUTLINE OF TOUCH CONTROL PAN-
EL .......................................................... . .... 9-1
[2] ABSOLUTE HUMIDITY SENSOR CIR-
CUIT....................................................... . .... 9-1
CONTENTS
[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] POWER TRANSFORMER REMOVAL .. . ...11-2
[4] HIGH VOLTAGE RECTIFIER ASSEM-
BLY, HIGH VOLTAGE FUSE AND HIGH
VOLTAGE CAPACITOR REMOVAL....... . ...11-2
[5] MAGNETRON REMOVAL ..................... . ...11-2
[6] POSITIVE LOCK CONNECTOR (NO-
CASE TYPE) REMOVAL ....................... . ...11-2
[7] CONTROL PANEL ASSEMBLY RE-
MOVAL................................................... . ...11-3
[8] GRAPHIC SHEET AND MEMBRANE
SWITCH REPLACEMENT ..................... . ...11-3
[9] TURNTABLE MOTOR REMOVAL ......... . ...11-3
[10] COOLING FAN MOTOR REMOVAL...... . ...11-3
[11] POWER SUPPLY CORD REPLACE-
MENT..................................................... . ...11-4
[12] 1ST. LATCH SWITCH, 2ND. INTER-
LOCK RELAY CONTROL SWITCH AND
MONITOR SWITCH ADJUSTMENT...... . ...11-4
[13] 1ST. LATCH SWITCH, 2ND. INTER-
LOCK RELAY CONTROL SWITCH AND
MONITOR SWITCH ADJUSTMENT...... . ...11-5
[14] DOOR REPLACEMENT ........................ . ...11-5
CHAPTER 12. MICROWAVE MEASUREMENT
CHAPTER 13. CIRCUIT DIAGRAMS
[1] Oven Schematic..................................... . .. 13-1
[2] Pictorial Diagram.................................... . .. 13-2
[3] Power Unit Circuit .................................. . .. 13-3
[4] CPU Unit Circuit..................................... . .. 13-4
[5] LCD Circuit............................................. . .. 13-5
[6] Printed Wiring Board (Figure S-3).......... . .. 13-6
Parts List