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NN-S245
Panasonic NN-S245 Service Manual
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Table of Contents
Digital Programmer Circuit
29
Ref. no
16
Part no
16
Part Name & Description
16
Pcs/Set Remarks
16
P295Sf/Bf/Wf Aph
23
P295Sf/Bf/Wf Cph
23
H275Sf/Bf/Wf/Qf Aph
24
H275Sf/Bf/Wf/Qf Cph
24
S255Bf/Wf Cph
26
Table of Contents
29
S255Bf/Wf Aph
26
Order No.simmc 0203005C1 E2 Microwave Oven
42
Microwave Oven
43
Control Panel (Aph)
48
Feature Chart
48
Control Panel (Cph)
49
Operation and Digital Programmer Circuit Test Procedure
50
To Set Clock
50
Time Cooking for Two Stage
51
Inverter Auto Cooking
52
Inverter Turbo Defrost
52
Auto Reheat
53
Popcorn
53
Power Level
54
Schematic Diagram (Aph)
54
Schematic Diagram (Cph)
55
Description of Operating Sequence
56
Variable Power Cooking
56
Variable Power Cooking Control
56
Inverter Power Supply Circuit [NEW H.V.]
57
Inverter Turbo Defrost
57
Cautions to be Observed When Troubleshooting
58
Check the Grounding
58
Inverter Turbo Defrost
58
Inverter Warnings [NEW H.V.]
58
Avoid Inserting Nails, Wire, Etc. through any Holes in the Unit During Operation
60
When Parts Must be Replaced, Remove the Power Plug from the Outlet
60
When the 18 Amp Fuse Is Blown Due to the Operation of Short Switch
60
Confirm after Repair
61
Digital Programmer Circuit (DPC) and Membrane Key Board
62
Disassembly and Parts Replacement Procedure
62
Magnetron
62
Low Voltage Transformer And/Or Power Relays (RY1, RY2)
63
Inverter Power Supply (U)
64
Door Assembly
66
Blower Motor (U)
67
Fan Motor a (for H.V. Inverter (U) Cooling)
67
Stirrer Motor
67
Fan Motor B (for Magnetron Cooling)
68
Turntable Motor
68
Component Test Procedure
69
Primary Latch Switch, Secondary (Secondary Latch Switch and Power Relay B) Interlocks
69
Short Switch & Monitor
69
Inverter Power Supply (U)
70
Magnetron
70
Membrane Key Board (Membrane Switch Assembly)
70
Adjustment of Primary Latch Switch, Secondary Latch Switch and Short Switch
72
Measurements and Adjustments
72
Measurement of Microwave Output
73
Equipment
74
Procedure for Measuring Microwave Energy Leakage
74
Procedure for Measuring Radiation Leakage
74
At Least Once a Year, Have the Radiation Monitor Checked for Calibration by Its Manufacturer
75
Measurement with the Outer Panel Removed
75
Measurements with a Fully Assembled Oven
75
Record Keeping and Notification after Measurement
75
Troubleshooting Guide
76
Trouble Related to Digital Programmer Circuit
79
Troubleshooting of Inverter Circuit (U) and Magnetron [NEW H.V.]
80
Exploded View and Parts List
81
How to Check the Semiconductors Using an OHM Meter
81
Parts List
81
Door Assembly
85
Wiring Materials
85
Escutcheon Base Assembly
86
Packing and Accesories
87
Digital Programmer Circuit
89
Digital Programmer Circuit
90
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Panasonic NN-S245 Specifications
General
Type
Countertop
Turntable
Yes
Voltage
120 V
Color
White
Defrost Function
Yes
Control Type
Electronic
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