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R-395N
Sharp R-395N User Manual
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R395N(S)
13 – 1
R395N(S)
ServiceManual
CHAPTER 13.
CIRCUIT DIAGRAMS
[1] Oven Schematic
Figure O-1 Oven Schematic-OFF Condition
Figure O-2 Oven Schematic-ON Condition
SCHEMA
TIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. CLOCK APPEARS ON DISPLA
Y
.
SCHEMA
TIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME PROGRAMMED.
3. ST
ART KEY TOUCHED.
POWER
TRANSFORMER
MAGNETRON
H.V.
RECTIFIER
H.
V.
FUSE
0.8A
CAPACITOR
1.07μ
AC2300V
TURNTABLE
MOTOR
FAN
MOTOR
OVEN
LAMP
2ND.
INTERLOCK
RELAY
CONTROL
SWITCH
1ST.
LATCH
SWITCH
MONITOR
SWITCH
CONTROL
UNIT
B1
B2
OL
FM
TTM
TEMPERATURE
FUSE
150ûC
(OVEN)
RY-2
RY-1
NOISE
FILTER
EARTH
BLU
BRN
NEUTRAL
LIVE
G-Y
FUSE
F10A
N
L
LINE
CROSS
CAPACITOR
0.068μ/AC250V
NOISE
SUPPRESSION
COIL
LINE
BYPASS
CAPACITOR
0.0022μ/AC250V
LINE
BYPASS
CAPACITOR
0.0022μ/AC250V
230-240V
50Hz
2ND.
INTERLOCK
RELAY
POWER
TRANSFORMER
MAGNETRON
H.V.
RECTIFIER
H.
V.
FUSE
0.8A
CAPACITOR
1.07μ
AC2300V
TURNTABLE
MOTOR
FAN
MOTOR
OVEN
LAMP
2ND.
INTERLOCK
RELAY
CONTROL
SWITCH
1ST.
LATCH
SWITCH
2ND.
INTERLOCK
RELAY
MONITOR
SWITCH
CONTROL
UNIT
B1
B2
OL
FM
TTM
TEMPERATURE
FUSE
150ûC
(OVEN)
RY-2
RY-1
NOISE
FILTER
EARTH
BLU
BRN
230-240V
50Hz
NEUTRAL
LIVE
G-Y
FUSE
F10A
N
L
LINE
CROSS
CAPACITOR
0.068μ/AC250V
NOISE
SUPPRESSION
COIL
LINE
BYPASS
CAPACITOR
0.0022μ/AC250V
LINE
BYPASS
CAPACITOR
0.0022μ/AC250V
24
26
Table of Contents
Default Chapter
1
Microwave Oven
1
Table of Contents
2
Chapter 1. Before Servicing
3
Tion
3
Caution Microwave Radiation
3
Warning
3
Chapter 2. Warning to Service Person- Bly
4
Chapter 3. Product Specifications
5
Chapter 4. Appearance View Oven
6
Touch Control Panel
6
Chapter 5. Operation Sequence 1] off Condition
7
Chapter 5. Operation Sequence off Condition
7
Microwave Cooking Condition
7
Power Output Reduction
7
Chapter 6. Function of Important Com
8
Door Open Mechanism
8
1St. Latch Switch and 2Nd. In- Terlock Relay Control Switch
8
Monitor Switch
8
Fuse F10A
8
High Voltage Fuse
8
Oven Temperature Fuse
8
Turntable Motor
8
Fan Motor
8
Noise Filter
8
Chapter 7. Troubleshooting Guide Foreword
9
Chart
9
Chapter 8. Test Procedures
10
A: Magnetron (Mg) Test
10
Chapter 8. Test Procedures 1] A: Magnetron (Mg) Test
10
B: Power Transformer Test
11
C: High Voltage Rectifier Test
11
D: High Voltage Capacitor Test
11
E: Switch Test
12
F: Temperature Fuse Test
12
G: Motor Winding Test
12
H: Fuse F10A
12
I: Noise Filter Test
13
J: High Voltage Fuse Test
13
K: Touch Control Panel Assembly Test
13
L: Key Unit (Membrane Switch) Test
14
M: Relay Test
14
N: Procedures to be Taken When the Foil Pattern on the Printed Wiring Board (Pwb) Is Open
14
Chapter 9. Touch Control Panel Assem
15
Outline of Touch Control Pan
15
Servicing for Touch Control Panel
15
Chapter 10. Precautions for Using Lead-Free Solder
17
And Adjustment Procedure 1] before Operating
18
Chapter 11. Component Replacement and Adjustment Procedure before Operating
18
Outer Case Removal
18
Power Transformer Removal
19
High Voltage Rectifier Assembly, High Voltage Fuse and High Voltage Capacitor Removal
19
Magnetron Removal
19
Positive Lock Connector (No-Case Type) Removal
19
Control Panel Assembly Removal
20
Graphic Sheet and Membrane Switch Replacement
20
Turntable Motor Removal
20
Cooling Fan Motor Removal
20
Power Supply Cord Replacement
21
1St. Latch Switch, 2Nd. Interlock Relay Control Switch and Monitor Switch Removal
21
1St. Latch Switch, 2Nd. Interlock Relay Control Switch and Monitor Switch Adjustment
22
Door Replacement
22
Microwave Measurement
22
Chapter 12. Microwave Measurement
24
Chapter 13. Circuit Diagrams
25
Oven Schematic
25
Pictorial Diagram (Figure S-1)
26
Control Unit Circuit (Figure S-2)
27
Printed Wiring Board (Figure S-3)
28
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Sharp R-395N Specifications
General
Brand
Sharp
Model
R-395N
Category
Microwave Oven
Language
English
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