CONTENTS
CHAPTER 2. WARNING TO SERVICE PERSON-
NEL
CHAPTER 3. PRECAUTIONS FOR USING LEAD-
FREE SOLDER
CHAPTER 4. PRODUCT DESCRIPTION
DIAGRAM ........................................ 5-1
PANEL ...................................... 5-2
INSTRUCTIONS ................... 5-3
supply/drainage schematic ............... 6-1
[2] Operation of electric parts in each heat-
ing mode ..................................................... 6-3
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
CUT-OUT.................................. 7-2
FILTER............................................ 7-2
ELEMENT .................................. 7-2
CHAPTER 8. TROUBLESHOOTING GUIDE
[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:
TEST ....................................... 9-3
[6] F: MONITOR SWITCH TEST ..................... 9-3
[7] G:
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
List ................................................... 10-1
[2] How to check in the event of an error ....... 10-2
CHAPTER 12. COMPONENT REPLACEMENT
AND ADJUSTMENT PROCEDURE
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
REMOVAL ........................ 12-2
REPLACEMENT................. 12-2
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
DIAGRAM ............................. 14-1
CIRCUIT ......................................... 14-3