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Panasonic
Microwave Oven
NN-T695
Service Manual
Page 43 (Nn-H645 Aph, S635 Aph;Cph, H625 Aph, S625 Cph)
Panasonic NN-T695 - Nn-H645 Aph, S635 Aph;Cph, H625 Aph, S625 Cph; H624*Fr Aph, H504*Fr Aph; S605 Cph, S505 Aph;Cph, S655 Rph, S645 Rph H624*Fr Aph, H504*Fr Aph
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10.5. NN-H645
APH,
S635
APH/CPH,
H625
APH,
S625
CPH,
S605
CPH,
S505
APH/CPH,
S655
RPH,
S645
RPH,
H624*FR
APH
,
H504*FR
APH
43
NN-T695
NN-T685S
F
42
44
Table of Contents
Main Page
Default Chapter
1
Microwave Oven
1
Table of Contents
4
1 Schematic Diagram
5
Aph
5
Cph
6
Rph
7
2 Description of Operating Sequence
8
Variable Power Cooking Control
8
Inverter Power Supply Circuit NEW H
8
Inverter Defrost
8
Sensor Cooking (Only for Sensor Models)
8
Sensor Reheat (Only for Sensor Models)
9
Steam Sensor and Digital Programmer Circuit
9
Sensor Models)
9
Thermistor
9
3 Cautions to be Observed When Troubleshooting
10
Check the Grounding
10
Inverter Warnings
10
Part Replacement
11
When the 20A Fuse Is Blown Due to the Operation of the Short Switch
11
Avoid Inserting Nails, Wire Etc. through any Holes in the
11
Unit During Operation
11
Confirm after Repair
11
Sharp Edges
11
4 Disassembly and Parts Replacement Procedure
12
Magnetron
12
Digital Programmer Circuit (D.P.C)
12
Low Voltage Transformer And/Or Power Relays (RY1, RY2)
13
Fan Motor
13
Door Assembly
13
Turntable Motor
14
Steam Sensor
14
Inverter Power Supply
15
5 Component Test Procedure
16
Primary Latch Switch (Door Switch and Power Relay B)
16
Interlocks
16
Short Switch & Monitor
16
Magnetron
16
Membrane Key Board (Membrane Switch Assembly)
16
Inverter Power Supply (U)
17
6 Measurements and Adjustments
18
Adjustment of Primary Latch Switch, Secondary Latch Switch and Short Switch
18
Measurement of Microwave Output
18
7 Procedure for Measuring Microwave Energy
19
Leakage
19
Equipment
19
Procedure for Measuring Radiation Leakage
19
Record Keeping and Notification after Measurement
19
At Least Once a Year, Have the Radiation Monitor Checked for Calibration by Its Manufacturer
19
8 Troubleshooting Guide
20
Trouble) Oven Stops Operation During Cooking
20
Troubleshooting of Inverter Circuit (U) and Magnetron
22
New H
22
Simple Way of H.V. Inverter/Magnetron Troubleshooting
23
How to Check the Semiconductors Using an OHM Meter
23
9 Exploded View and Parts List
24
Exploded View
24
Parts List
25
Door Assembly
27
Escutcheon Base Assembly
28
Packing and Accessories
33
Wiring Materials
34
10 Digital Programmer Circuit
35
Nn-T695Sf Aph/Cph, T695Sf/Sm Rph
35
Nn-T685Sf Aph/Cph, T675Sf Aph
37
Nn-T665Sf Aph, T655Sf Aph, T664Sfr Aph
39
Nn-H665 Aph/Cph, H635 Aph, S655 Aph, S645 Aph, S615 Cph
41
Nn-H645 Aph, S635 Aph/Cph, H625 Aph, S625 Cph
43
H624*Fr Aph, H504*Fr Aph
43
S605 Cph, S505 Aph/Cph, S655 Rph, S645 Rph H624*Fr Aph, H504*Fr Aph
43
Parts List
45
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