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Microwave Oven
R-380LS
Sharp R-380LS User Manual
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R380L(W)
13 – 5
[5] LCD Circuit
Figure S-2(c). LCD Circuit
VDD
OSC4
OSC3
VD1
OSC2
OSC1
VSS
BZ
COM0
COM1
COM2
COM3
COM4
COM5
COM6
COM7
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
VC1
VC2
VC3
VC4
VC5
CF
CE
CD
CC
CB
CA
COM8
COM9
COM10
COM1
1
COM12
COM13
COM14
COM15
COM16
SEG39
SEG38
SEG37
SEG36
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
32
34
Table of Contents
Default Chapter
1
Microwave Oven
1
Table of Contents
2
Chapter 1. Before Servicing
3
Chapter 2. Warning to Service Personnel
4
Chapter 3. Product Specifications
5
Chapter 4. Appearance View
6
Chapter 5. Operation Sequence off Condition
7
Microwave Cooking Condition
7
Power Output Reduction
7
Sensor Cooking Condition
7
Chapter 6. Function of Important Com
9
Door Open Mechanism
9
1St. Latch Switch and 2Nd. In- Terlock Relay Control Switch
9
Monitor Switch
9
Fuse F10A
9
High Voltage Fuse
9
Oven Temperature Fuse
9
Turntable Motor
9
Fan Motor
9
Noise Filter
9
Chapter 7. Troubleshooting Guide
10
Chapter 8. Test Procedures 1] A: Magnetron (Mg) Test
11
Chapter 8. Test Procedures
11
A: Magnetron (Mg) Test
11
B: Power Transformer Test
12
C: High Voltage Rectifier Test
12
D: High Voltage Capacitor Test
12
E: Switch Test
13
F: Temperature Fuse Test
13
G: Motor Winding Test
13
H: Fuse F10A
13
I: Noise Filter Test
13
J: High Voltage Fuse Test
14
K: Touch Control Panel Assembly Test
14
L: Key Unit (Membrane Switch) Test
14
M: Relay Test
15
N: Procedures to be Taken When the Foil Pattern on the Printed Wiring Board (Pwb) Is Open
15
O: Ah Sensor Test
15
Chapter 9. Touch Control Panel Assem
18
Outline of Touch Control Panel
18
Absolute Humidity Sensor Circuit
18
Servicing for Touch Control Panel
19
Chapter 10. Precautions for Using Lead- Free Solder
21
And Adjustment Procedure 1] before Operating
22
Chapter 11. Component Replacement and Adjustment Procedure before Operating
22
Outer Case Removal
22
Power Transformer Removal
23
High Voltage Rectifier Assembly, High Voltage Fuse and High Voltage Capacitor Removal
23
Magnetron Removal
23
Positive Lock Connector (No-Case Type) Removal
23
Control Panel Assembly Removal
24
Graphic Sheet and Membrane Switch Replacement
24
Turntable Motor Removal
24
Cooling Fan Motor Removal
24
Power Supply Cord Replacement
25
1St. Latch Switch, 2Nd. Interlock Relay Control Switch and Monitor Switch Adjustment
25
1St. Latch Switch, 2Nd. Interlock Relay Control Switch and Monitor Switch Adjustment
26
Door Replacement
26
Microwave Measurement
26
Chapter 12. Microwave Measurement
28
Chapter 13. Circuit Diagrams
29
Oven Schematic
29
Pictorial Diagram
30
Power Unit Circuit
31
CPU Unit Circuit
32
LCD Circuit
33
Printed Wiring Board (Figure S-3)
34
Parts List
35
4
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Sharp R-380LS Specifications
General
Brand
Sharp
Model
R-380LS
Category
Microwave Oven
Language
English
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