Sharp R-360AM Service Manual ▷ View online
R360AM - 9
29
R13
IN
Signal similar to R03.
When either G9 line on key matrix is touched, a corresponding signal will be input into
R13.
When either G9 line on key matrix is touched, a corresponding signal will be input into
R13.
30
R20
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G8 line keys on key matrix is touched.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G8 line keys on key matrix is touched.
31
R21
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G7 line keys on key matrix is touched.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G7 line keys on key matrix is touched.
32
R22
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G6 line keys on key matrix is touched.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G6 line keys on key matrix is touched.
33
R23
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G5 line keys on key matrix is touched.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G5 line keys on key matrix is touched.
34
R60
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G4 line keys on key matrix is touched.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G4 line keys on key matrix is touched.
35
R61
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G3 line keys on key matrix is touched.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G3 line keys on key matrix is touched.
36
R62
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G2 line keys on key matrix is touched.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G2 line keys on key matrix is touched.
37
R63
OUT
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G1 line keys on key matrix is touched.
Signal applied to touch-key section. A pulse signal is input to R03, R11, R12 and R13
terminal while one of G1 line keys on key matrix is touched.
38-40
R70-R72
OUT
Terminal not used.
41-43
SEG20-SEG22
OUT
Terminal not used.
44-65
SEG23-SEG44
OUT
Segment data signals.
Connected to LCD.
The relation between signals are as follows:
LSI Signal (Pin No.)
Connected to LCD.
The relation between signals are as follows:
LSI Signal (Pin No.)
LCD (Pin No.)
LSI Signal (Pin No.)
LCD (Pin No.)
SEG 23 (44) .......................... SEG 1
SEG 34 (55) ....................... SEG 12
SEG 24 (45) .......................... SEG 2
SEG 35 (56) ....................... SEG 13
SEG 25 (46) .......................... SEG 3
SEG 36 (57) ....................... SEG 14
SEG 26 (47) .......................... SEG 4
SEG 37 (58) ....................... SEG 15
SEG 27 (48) .......................... SEG 5
SEG 38 (59) ....................... SEG 16
SEG 28 (49) .......................... SEG 6
SEG 39 (60) ....................... SEG 17
SEG 29 (50) .......................... SEG 7
SEG 40 (61) ....................... SEG 18
SEG 30 (51) .......................... SEG 8
SEG 41 (62) ....................... SEG 19
SEG 31 (52) .......................... SEG 9
SEG 42 (63) ....................... SEG 20
SEG 32 (53) ........................ SEG 10
SEG 43 (64) ....................... SEG 21
SEG 33 (54) ........................ SEG 11
SEG 44 (65) ....................... SEG 22
66
COM1
OUT
Common data signal: COM1.
Connected to LCD (Pin No. COM1).
Connected to LCD (Pin No. COM1).
67
COM2
OUT
Common data signal: COM2.
Connected to LCD (Pin No. COM2).
Connected to LCD (Pin No. COM2).
68
COM3
OUT
Common data signal: COM3.
Connected to LCD (Pin No. COM3).
Connected to LCD (Pin No. COM3).
69
COM4
OUT
Terminal not used.
70-72
V1-V3
IN
Power source voltage input terminal.
Standard voltage for LCD.
Standard voltage for LCD.
73
VCC
IN
Connected to GND.
74
AVCC
IN
Connected to GND.
75-78
AN1-AN3
IN
Terminal to change cooking constant according to the Model.
By using the A/D converter contained in the LSI, DC voltage in accordance with the
Model in operation is applied to set up its cooking constant.
By using the A/D converter contained in the LSI, DC voltage in accordance with the
Model in operation is applied to set up its cooking constant.
79
AN4
IN
Terminal not used.
80
AN5
IN
To input signal which communicates the door open/close information to LSI.
Door closed; "H" level signal (0V).
Door opened; "L" level signal (-5V)
Door closed; "H" level signal (0V).
Door opened; "L" level signal (-5V)
Pin No.
Signal
I/O
Description
TOUCH CONTROL PANEL ASSEMBLY
R360AM - 10
1. CARRY OUT 3D CHECKS.
2. Make sure that a definite "click" can be heard when the
2. Make sure that a definite "click" can be heard when the
microwave oven door is unlatched. (Hold the door in a
closed position with one hand, then push the door open
button with the other, this causes the latch heads to rise,
it is then possible to hear a "click" as the door switches
operate.)
closed position with one hand, then push the door open
button with the other, this causes the latch heads to rise,
it is then possible to hear a "click" as the door switches
operate.)
3. Visually check the door and cavity face plate for damage
(dents, cracks, signs of arcing etc.).
Carry out any remedial work that is necessary before
operating the oven.
Do not operate the oven if any of the following conditions
exist;
1. Door does not close firmly.
operating the oven.
Do not operate the oven if any of the following conditions
exist;
1. Door does not close firmly.
COMPONENT REPLACEMENT AND ADJUSTMENT
WARNING: Avoid possible exposure to microwave energy. Please follow the instructions below before
operating the oven.
2. Door hinge, support or latch hook is damaged.
3. The door gasket or seal is damaged.
4. The door is bent or warped.
5. There are defective parts in the door interlock system.
6. There are defective parts in the microwave generating
3. The door gasket or seal is damaged.
4. The door is bent or warped.
5. There are defective parts in the door interlock system.
6. There are defective parts in the microwave generating
and transmission assembly.
7. There is visible damage to the oven.
Do not operate the oven:
1. Without the RF gasket (Magnetron).
2. If the wave guide or oven cavity are not intact.
3. If the door is not closed.
4. If the outer case (cabinet) is not fitted.
1. Without the RF gasket (Magnetron).
2. If the wave guide or oven cavity are not intact.
3. If the door is not closed.
4. If the outer case (cabinet) is not fitted.
Please refer to ‘OVEN PARTS, CABINET PARTS, DOOR PARTS’, when carrying out any of the following removal
procedures:
procedures:
MONITORED LATCH SWITCH, MONITORED SWITCH AND STOP SWITCH REMOVAL
DOOR REPLACEMENT
REMOVAL
1. CARRY OUT 3D CHECKS.
2. Push the open button and open the door slightly.
3. Insert a putty knife (thickness of about 0.5mm) into the
2. Push the open button and open the door slightly.
3. Insert a putty knife (thickness of about 0.5mm) into the
gap between the choke cover and door frame as shown
in Figure C-5 to free engaging parts.
in Figure C-5 to free engaging parts.
4. Release choke cover from door panel.
5. Now choke cover is free.
5. Now choke cover is free.
CHOKE COVER
PUTTY KNIFE
DOOR FRAME
Figure C-5. Door Disassembly
6. Release two (2) pins of door panel from two (2) holes of
upper and lower oven hinges by lifting up.
7. Now, door sub assembly is free from oven cavity.
8. Remove the four (4) screws holding the door panel to the
8. Remove the four (4) screws holding the door panel to the
door frame.
9. Release door panel from eight (8) tabs of door frame by
sliding door panel downward.
10. Now, door panel is free.
MONITOR SWITCH
STOP SWITCH
MONITORED
LATCH SWITCH
LATCH SWITCH
TAB
TAB
TAB
1. CARRY OUT 3D CHECKS.
2. Remove the control panel assembly referring to
2. Remove the control panel assembly referring to
"CONTROL PANEL ASSEMBLY REMOVAL".
3. Disconnect the all leads from the switches.
4. Remove the two (2) screws holding the latch hook to the
4. Remove the two (2) screws holding the latch hook to the
oven cavity.
5. Remove the latch hook.
6. Push the retaining tab slightly and remove the switch.
6. Push the retaining tab slightly and remove the switch.
Figure C-3. Switches
R360AM - 11
11. Slide latch head upward and remove it from door frame
by releasing latch spring from door frame and latch head.
12. Now, latch head and latch spring are free.
13. Remove the two (2) screws holding the glass stopper to
13. Remove the two (2) screws holding the glass stopper to
the door frame.
14. Remove the glass stopper from the door frame.
15. Slide the front door glass leftwards and then slide
15. Slide the front door glass leftwards and then slide
upwards to release the tabs holding it.
16. Now, the front door glass is free
RE-INSTALL
1. Re-install the front door glass to the door frame as
1. Re-install the front door glass to the door frame as
follows.
1) Insert the upper edge of the front door glass into the six
(6) tabs of the door frame.
2) Slide the front door glass downwards and insert the
lower edge of the front door glass into the six (6) tabs of
the door frame.
the door frame.
3) Slide the front door glass rightwards and insert the right
edge of the front door glass into the one (1) tab of the
door frame.
door frame.
2. Re-install the glass stopper to the door frame as follows.
1) Re-install the glass stopper to the door frame so that the
1) Re-install the glass stopper to the door frame so that the
two (2) holes of the glass stopper meet the two (2) pins
of the door frame.
of the door frame.
2) Hold the glass stopper to the door frame with the two (2)
screws.
3. Re-install the latch spring to the latch head. Re-install
the latch spring to the door frame. Re-install latch head
to door frame.
to door frame.
4. Re-install door panel to door frame by fitting eight (8)
tabs of door frame to eight (8) holes of door panel.
5. Fit the door panel to the door frame with four (4) screws.
6. Insert two (2) pins of door panel on two (2) hole of upper
6. Insert two (2) pins of door panel on two (2) hole of upper
and lower oven hinges.
7. Re-install choke cover to door panel .
Note: After any service to the door;
Make sure that door sensing switch and primary
latch switch are operating properly.
latch switch are operating properly.
COMPONENT REPLACEMENT AND ADJUSTMENT
PIN
PIN
LOWER
OVEN HINGE
OVEN HINGE
UPPER
OVEN HINGE
OVEN HINGE
LOWER
OVEN HINGE
OVEN HINGE
CHOKE COVER
DOOR
PANEL
PANEL
DOOR SUB
ASSEMBLY
ASSEMBLY
WARNING: WIRING/RE-WIRING
Before carrying out any work; carry out 3D checks.
1. Disconnect the supply.
2. Open the door and wedge open.
3. Discharge the high voltage capacitor.
1. Disconnect the supply.
2. Open the door and wedge open.
3. Discharge the high voltage capacitor.
RE-WIRING
Ensure the following:
1. Wires must not touch:
Ensure the following:
1. Wires must not touch:
a) High voltage parts.
b) Parts that become hot.
c) Sharp edges.
d) Movable parts.
b) Parts that become hot.
c) Sharp edges.
d) Movable parts.
2. Positive lock connectors are fitted correctly.
3. Wires are connected correctly as per pictoral
3. Wires are connected correctly as per pictoral
diagram.
4. No wire leads are trapped by the outer wrap.
WIRING/ RE-WIRING
R360AM - 12
SCHEMATIC DIAGRAM
Note:
★
components with
potential above 250V.
OL
OVEN
LAMP
LAMP
FAN MOTOR
TURNTABLE MOTOR
ASYMMETRIC
RECTIFIER
RECTIFIER
H.V. RECTIFIER
MG:
MAGNETRON
MAGNETRON
POWER
TRANSFORMER
TRANSFORMER
CAPACITOR
1.00
1.00
µ
2100VAC
0.22
µ
/250V
OVEN
THERMAL
CUT-OUT
125
THERMAL
CUT-OUT
125
°
C
MAGNE TRON
THERMAL
CUT-OUT
125
THERMAL
CUT-OUT
125
°
C
0.0033
µ
/ 250V
10M/0.5W
0.0033
µ
/ 250V
NOISE SUPPRESSION COIL
680 k/ 0.5W
F1: FUSE F8A
L
N
230/240V
~
50Hz
BRN/17
NOISE FILTER
UNIT
UNIT
G-Y/17
EARTH
A3
CONTROL UNIT
AH
SENSOR
SW1:
MONIT'D
LATCH
SWITCH
SW2:
MONITOR
SWITCH
SW3:
STOP
SW
B1
B2
F1
F1
F1
F3
RY1
RY2
COM.
NO.
TTM
FM
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