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NN-T664SFR
Panasonic NN-T664SFR User Manual
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©
2005
Panasonic
Home
Appliances
Microwave
Oven
(Shanghai)
Co.,
Ltd.
All
rights
reserved.
Unauthorized
copying
and
distribution
is
a
violation
of
law.
NN-T695
NN-T685SF
NN-T675S
F
NN-T665SF
NN-T655S
F
NN-T664SFR
NN-H665
NN-S655
NN-H645
NN-S645
NN-H635
NN-S635
NN-H625
NN-S625
NN-S615
NN-S605
NN-S505
NN-S665
NN-H624B
FR
NN-H624W
FR
NN-H504B
FR
NN-H504W
FR
APH(USA)
CPH(CAN
ADA)
RPH(Mex
ico/L
atin
Amer
ican)
Microw
ave
Oven
ORDER
N
O.PHAMOS05010
01C7
E1
2
Table of Contents
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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Panasonic NN-T664SFR Specifications
General
Type
Microwave Oven
Capacity
23 L
Turntable
Yes
Voltage
230 V
Frequency
50 Hz
Color
Silver
Cooking Modes
Auto Cook, Defrost
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