R-84ST (serv.man4). Part 2 Block, Schematic PWB assembly diagrmams (19-23) — Sharp Home Appliance Service Manual (repair manual)

Model
R-84ST (serv.man4)
Pages
5 Few pages! See other manuals at the bottom of the first or last page.
Size
464.12 KB
Type
PDF
Document
Service Manual
Brand
Device
Home Appliance / Microwave Oven / Part 2 Block, Schematic PWB assembly diagrmams (19-23)
File
r-84st-sm4.pdf
Date

View Sharp R-84ST (serv.man4) Service Manual online

R-84STM - 19
SCHEMATIC DIAGRAM
Figure 0-1. Schematic Diagram
OL
CM
TTM
OVEN  LAMP
CONVECTION 
MOTOR
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT 
BOTTOM HEATING ELEMENT
H.V. RECTIFIER
MAGNETRON
HIGH VOLTAGE 
TRANSFORMER
T/C TRANSFORMER
CAPACITOR
1.07 
µF
AC2100V
CONTROL UNIT
A9
A7
RY7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1 
(SW2)STOP SWITCH
(SW1)MONITORED LATCH SWITCH
THERMISTOR
MG.
THERMAL
CUT-OUT
OVEN
THERMAL
CUT-OUT
(SW3)MONITOR 
SWITCH
4700p/ 250V
4700p/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ/250V
FUSE F1 20A
FUSEF2  F8A
NOISE 
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15
EARTH
LIVE
NEUTRAL
NC.
NC.
 ASYMMETRIC
 RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
1
-
SCHEMATIC DIAGRAM
MODEL: R-84STM
 NOTE 
*
 INDICATES
 COMPONENTS
WITH POTENTIALS
 ABOVE 250V
R-84STM - 20
PICTORIAL DIAGRAM
Figure S-1. Pictorial Diagram
BLU
WHT
BLK
WHT
OVEN THERMAL 
CUT-OUT
MG. THERMAL
 CUT-OUT
OVEN LAMP 
BLU
GRY
BLU
1
BRN
2
3
YLW
4
5
GRY
6
7
WHT
8
9
BLU
COM
GRY
WHT
BLU
GRY
GRY
GRY
N.C.
NC
COM
(SW2)STOP 
SWITCH
NO
COM
TOP GRILL 
HEATING ELEMENT
BOTTOM 
HEATING 
ELEMENT
WHT
RED
WHT
BRN
BLU
GRN
GRN
GRN
BLU
TURNTABLE
MOTOR
T/C TRANSFORMER
(SW3)MONITOR
SWITCH
(SW1)MONITORED
LATCH 
SWITCH
YLW
ORG
BLU
WHT
BRN
BLK
RED
ORG
RED
BLK
BLU
ORG
BLK
BLU
WHT
CN-A
1
CN-B
2
RED
GRN
RED
WHT
GRY
ORG
BLK
NOISE FILTER
L
TP
F 8 A
TL
RED
20 A
WHT
N
ORG
ORG
WHT
1B
L
U
2
3
BRN
4
5
ORG
6
7
RED
FAN 
MOTOR
CONVECTION
MOTOR
GRY
WHT
HIGH VOLTAGE COMPONENTS
G
Y
POWER SUPPLY CORD
NEUTRAL
LIVE
EARTH
THERMISTOR
CN-B
1
11
2
3
2
1
SP1
RY2
RY4
RY3
CONTROL PANEL
CN-A
CN-E
RY5
RY7
1
1
7
9
CN-C
CN-E
WH-1
CN-1
IC-1
CN-G
RY1
RY6
2
3
1
BLK
BLK
CN-C
MAGNETRON
H.V.WIRE B
H.V.WIRE A
H.V. 
CAPACITOR
H.V.
RECTIFIER
ASYMMETRIC RECTIFIER
 HIGH VOLTAGE
 TRANSFORMER
RED
BLU
RED
BLK
RED
BLK
BLK
WHT
R-84STM - 21
E 1
WH1-4
WH1-3
WH1-6
WH1-9
WH1-5
WH1-8
WH1-7
WH1-1
WH1-2
WH1-n
WH1-10
WH1-12
WH1-13
WH1-14
WH1-15
WH1-11
C 1
E 3
E 5
E 7
T1
AC230-240V
50Hz
FAN MOTOR
OVEN
THERMISTOR
GND
GND
R3 510 1w
R6 130 1w
Q2
2SB1238
Q3
KRC243M
R4 510 1w
D10
S1NB10
RY5
a
b
c
d
C1
VRS1
(J1)
(J2)
D5
RY6
D6
RY7
D7
RY1
D1
R2
1.5k
ZD2
HZ20-1
RY4
D4
RY3
D3
RY2
D2
10G471K
C3
C2 1000
µ
/35v
C5
10
µ
/35v
C4 10
µ
/35v
R5 3.3k
SP1
VC
BUZZER
VR
INT
POWER
CONTROL
STOP
SWITCH
NC
CONVECTION
MOTOR
BOTTOM
HEATING
ELEMENT
GRILL
HEATING
ELEMENT
HIGH VOLTAGE
TRANSFORMER
STOP
SWITCH
OVEN LAMP
TURNTABLE
MOTOR
DOOR OPEN
CONTACT 
A 1
A 3
A 5
A 7
A 9 
N O
N O
N O
N O
COM
COM
COM
COM
B 2
B 1
NOTE 1.
NOTE 2.
+
+
+
C 3
: IF NOT SPECIFIED, 1/4W 
± 5% 
15P WIRE HARNESS 
: IF NOT SPECIFIED, 0.1
µF / 50V 
: IF NOT SPECIFIED, 1SS270A
Figure S-2. Power Unit Circuit
POWER UNIT CIRCUIT DIAGRAM
R-84STM - 22
Figure S-3 Control Panel Circuit
CONTROL PANEL CIRCUIT DIAGRAM
CN1-5
CN1-3
CN1-6 
CN1-10
CN1-1
CN1-2
CN1-4
+
G 8
G 7
G 6
G 5
G 4
G 3
G 2
G 1
G12
G11
G10
G 9
CN1-15
C11 0.1
µ/50v
C10 47
µ/16v
C21 0.1
µ
/50v
C60 330p/50v
C61 330p/50v
C62 330p/50v
C63 330p/50v
D22
D23
D30
R31 15k
R83 15k
R81 510F
R72 100k
R73 100k
R74 100k
CF1 CST4.00MGW
(A)
(E)
(J)
(F)
(Q)
(P)
(K)
(N)
(M)
(D)
(H)
(G)
(R)
R75 100k
R82 28kF
C13
0.1
µ
/50v
C30
C80
C12
0.1
µ
/50v
C14
Q11
DTA143EKA
LD1
LD2
LD3
LD4
LD5
LD10
LD9
LD8
LD7
LD6
Q10
2SA1037AK
GND
51pin
1pin
CN-G
Q40
DTA143EKA
Q28
DTA143EKA
Q25
DTA143EKA
Q24
DTA143EKA
IC1
IXA094DR
O
VEN LAMP
T
URNTABLE
M
OTOR
C
ONVECTION
M
OTOR
FAN MOTOR
POWER
B
UZZER
V
R
V
C
G
ND
INT
H
EATING
ELEMENT
B
OTTOM
H
EATING
ELEMENT
NOTE 
: IF NOT SPECIFIED, 1/10W 
±
 5%
: IF NOT SPECIFIED, 1SS355
: IF NOT SPECIFIED, 0.01
µ
F / 25V 
H
IGH
V
OLTAGE
T
RANSFORMER
S
TOP
S
WITCH
N
C
O
VEN
T
HERMISTOR
Q23
DTA143EKA
Q22
DTA123JKA
Q21
DTA123JKA
Q20
DTA123JKA
(P)
(A)
(D)
(E)
(F)
(G)
(H)
(J)
(K)
(R)
(Q)
R6 620
Q2
2SA1037AK
R4 22
R68 15k
R60 15k
R55
4.7k
R56
1M
R61 15k
R62 15k
R63 15k
R64 15k
R65 15k
R66 15k
R67 15k
(J16) 4.7k
(J17) 
R69 15k
R70 15k
R71 15k
D6
D5
R5 4.7k
R30
4.7k
R15
4.7k
ZD10
UDZ4.3B
(J13) 4.7k
(J14) 4.7k
(J15) 4.7k
(J10)
(J11)
(J12) 10k
R10 1k
R12 15kR13 15k
R14 15k
R11 4.7k
(N)
(M)
CN1-13
CN1-12
CN1-14
CN1-11
CN1-8
CN1-7
CN1-9
SEG10
C1
1
5
10
15
20
25
30
51
55
60
65
70
75
80
31
35
40
45
50
81
85
90
95
VL1
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
P57
P56
P55
P54
P53
P52
P51
P50
P47
P46
P45
P44
INT1
INT0
P41
P40
P77
P76
P75
P74
SEG11
SEG12
SEG13
SEG14
SEG15
SEG39
SEG38
SEG37
SEG36
SEG35
SEG34
SEG33
SEG32
SEG31
NC
NC
NC
NC
NC
NC
NC
COM3
COM2
COM1
NC
NC
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
P73
C2
VL2
VL3
COM0
COM1
COM2
COM3
AVSS
VREF
VCC
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
P72
P71
P70
RESET
P81
P80
XIN
XOUT
VSS
P27
P26
P25
P24
P23
P22
P21
P20
P17
P16
CHICKEN QUARTERS (INSTANT COOK)
ROAST PORK
PASTA DISH
RISOTTO
GRATIN
MEAT JOINT
OVEN CHIPS
ROAST POULTRY
BAKED POTATOES
WHOLE POULTRY
ROAST BEEF / LAMB
BREAKFAST
CHICKEN QUARTERS
GRILL
MICRO. POWER
DUAL CONV. /
GRILL
KG / LB
CONVERSION
KITCHEN TIMER
CLOCK SET
CONV. ( 
˚C ) 
DOWN
LESS
MORE
UP
CLEAR
AUTO MINUTE
STOP
START
PIZZA
nfo
LBS
KG
OZ
PCS
%
˚C
COOK SENSOR DEFROST AUTO
LIQUID CRYSTAL DISPLAY
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Here you can view online or download Sharp R-84ST (serv.man4) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp R-84ST (serv.man4) Microwave Oven. Information contained in Sharp R-84ST (serv.man4) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).