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AX-1100
Sharp AX-1100 Service Manual
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AX1
100(R)
14 – 3
[2] MAIN CIRCUIT
THERMISTOR
(GRILL)
THERMISTOR
(ENGINE)
TH1:
TH2:
SW5:
SW4:
SW3:
MONITORED
INTERLOCK
SWITCH
SW1:
T/C
TRANSFORMER
CONTROL
UNIT
ENGINE
HEATING
ELEMENT
(Engine
unit
assy)
(900W)
FUSE
POWER
SAVING
RELAY
MAGNETRON
MG:
CAPACITOR
1.13uF
2100V
ASYMMETRIC
RECTIFIER
H.V.
RECTIFIER
T:
High
voltage
transformer
MG
THERMAL
CUT-OUT
TC1:
TC2:
TC3:
OVEN
THERMAL
CUT-OUT
ENGINE
THERMAL
CUT-OUT
PUMP
MOTOR
FAN
MOTOR
INTAKE
DAMPER
MOTOR
VRS1
OVEN
LAMP
ANTENNA
MOTOR
GRILLHEATING
ELEMENT
(1100W)
GH:
C:
EH:
NOISE
FILTER
UNIT
INTAKE
DAMPER
SWITCH
DOOR
SENSING
SWITCH
RY9
RY4
RY1
RY3
RY2
RY7
RY6
RY5
B9
B7
B1
B8
B10
B5
B12
B11
A5
A7
A1
A11
N.C.
MONITOR
SWITCH
SW2:
ANTENNA
SWITCH
A3
A9
L
N
F1:
SPECIAL
FUSE
20A
0.22u/250V
NOISE
SUPPRESSION
COIL
10M/0.5W
4700p/250V
4700p/250V
680K/0.5W
OL
DM
FM
AM
PM
F2:
MONITOR
FUSE
F8A
F2:
230V
~50Hz
44
46
Table of Contents
Default Chapter
2
Table of Contents
2
Chapter 1. Before Servicing
3
Chapter 2. Warning to Service Personnel
5
Chapter 3. Precautions for Using Lead- Free Solder
8
Chapter 4. Product Description
9
Specifications
9
Test Data at a Glance
9
Oven Diagram
10
Control Panel
11
Important Instructions
12
Chapter 6. Operation
14
Water Supply/Drainage Schematic
14
Operation of Electric Parts in each Heating Mode
16
Off Condition
16
Chapter 7. Function of Important Com
17
Door Open Mechanism
17
Switch
17
Fuse
17
Asymmetric Rectifier
17
Thermal Cut-Out
18
Noise Filter
18
Heating Element
18
Motor
18
Thermistor
18
Chapter 8. Troubleshooting Guide
19
Chapter 9. Test Procedures
21
A: Magnetron Test
21
B: High Voltage Transformer Test
22
C: High Voltage Rectifier Test
22
D: High Voltage Capacitor Test
22
E: Switch Test
23
F: Monitor Switch Test
23
G: Thermistor Test
23
H: Thermal Cut-Out Test
23
I: Blown Fuse (F1) 20A
23
J: Blown Fuse (F2) F8A (Noise Filter)
24
K: Noise Filter Test
24
L: Grill Heating Elements (Top) and Engine Heating Element Test
24
M: Control Unit Test
24
N: Key Unit (Membrane Switch) Test
25
Chapter 10. Error List
26
Error List
26
How to Check in the Event of an Error
27
Chapter 11. Test Mode
32
Chapter 12. Component Replacement and Adjustment Procedure before Operating
33
Outer Case Cabinet Removal
33
High Voltage Components Removal
34
High Voltage Transformer Removal
34
Magnetron Removal
34
Antenna Motor Replacement
34
Fan Motor Replacement
34
Pump Motor Removal
35
Intake Damper Motor and Intake Damper Switch Removal
35
Back Plate Removal
35
Bottom Plate Removal
35
Engine Unit Assembly Removal
36
Shakedown Operation of New Engine Unit Assembly
36
Thermistor (Engine) Removal
36
Oven Lamp Removal
36
Power Supply Cord Replacement
37
Control Unit Removal
37
Key Sheet and Membrane Switch Replacement
37
Monitored Interlock Switch, Monitor Switch and Door Sensing Switch Removal
38
Monitored Interlock Switch, Door Sensing Switch and Monitor Switch Adjustment
38
Door Replacement
39
Installation of Door Packing
40
Plumbing
41
Chapter 13. Microwave Measurement
42
Chapter 14. Circuit Diagrams Pictorial Diagram
43
Control Unit Circuit
46
Parts List
47
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Sharp AX-1100 Specifications
General
Brand
Sharp
Model
AX-1100
Category
Microwave Oven
Language
English
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