DOWNLOAD Sharp R-334 (serv.man3) Service Manual ↓ Size: 127.96 KB | Pages: 4 in PDF or view online for FREE

Model
R-334 (serv.man3)
Pages
4 Few pages! See other manuals at the bottom of the first or last page.
Size
127.96 KB
Type
PDF
Document
Service Manual
Brand
Device
Home Appliance / Microwave Oven / Part 2 Diagrams (30-33)
File
r-334-sm3.pdf
Date
PREV: Sharp R-334 (serv.man2) Service Manual

Sharp R-334 (serv.man3) Service Manual ▷ View online

R-334 - 30
Figure O-2. Oven Schematic-ON Condition
 SCHEMATIC DIAGRAMS
Figure O-1. Oven Schematic-OFF Condition
NOTE:  *  Components with
potentials above 250V.
230V ~ 50HZ
N
ASYMMETRIC
*
RECTIFIER
CAP
A
CIT
OR
1.02
µ
F
2100V
A
C
*
PO
WER
TRANSFORMER
*
H.V
. RECTIFIER
*
FM
TTM
OL
EAR
TH
NOISE SUPPRESSION COIL
G-Y / 17
BLU / 17
BRN / 17
F1:
FUSE
F8A
L
O. 22
µ
F / 250V
NOISE 
FILTER 
UNIT
MAGNETRON
THERMAL
CUT-OUT
125
˚C
680K / 0.5W
0.0033
µ
F / 250V
0.0033
µ
F / 250V
10M  / 0.5W
SW1:
MONIT'D
LATCH
SWITCH
RY1
A1
OVEN
LIGHT
TURNTABLE
MOTOR
SW2:
MONITOR
SWITCH
FAN MOTOR
MA
GNETR
ON
*
com
nc
no
NO
RY
2
A3
A5
O
VEN
THERMAL
CUT
-OUT
125
˚C
070
01
03
COM
072
no
B1
B2
071
no
SW3:
DOOR
SWITCH
230V ~ 50HZ
N
ASYMMETRIC
*
RECTIFIER
CAP
A
C
IT
OR
1.02
µ
F
2100V
A
C
*
PO
WER
TRANSFORMER
*
H.V
. RECTIFIER
*
FM
TTM
OL
EAR
TH
NOISE SUPPRESSION COIL
G-Y / 17
BLU / 17
BRN / 17
F1:
FUSE
F8A
L
O.22
µ
F / 250V
NOISE 
FILTER 
UNIT
MAGNETRON
THERMAL
CUT-OUT
125
˚C
680K / 0.5W
0.0033
µ
F / 250V
0.0033
µ
F/ 250V
10M   / 0.5W
SW1:
MONIT'D
LATCH
SWITCH
RY1
A1
OVEN
LIGHT
TURNTABLE
MOTOR
SW2:
MONITOR
SWITCH
FAN MOTOR
MA
GNETR
ON
*
com
nc
no
NO
RY
2
A3
A5
O
VEN
THERMAL
CUT
-OUT
125
˚C
070
01
03
COM
072
no
B1
B2
071
no
SW3:
DOOR
SWITCH
R-334 - 31
PICTORIAL DIAGRAM
Figure S-1. Pictorial Diagram
STO
P
POWER 
SUPPLY 
CORD
NEUTRAL
BLU
LIVE
BRN
EARTH
G/Y
NOISE
FILTER
UNIT
R
E
D
RED
W
H
T
R
E
D
W
H
T
B
L
K
B
L
K
TC2:
OVEN
THERMAL
CUT-OUT
R
E
D
R
E
D
Y
L
W
B
L
K
RED
RED
RED
RED
FM:
FAN
MOTOR
OL: OVEN LAMP
MG: MAGNETRON
SHORT
PROTECTOR
T:
POWER
TRANSFORMER
WHT
YLW
C: HV CAPACITOR
RED
RED
WHT
TTM:
TURNTABLE MOTOR
RED
WHT
SW3:
STOP SWITCH
YLW
BLK
RED
BLK
BLK
BLK
RED
WHT
YLW
RLY 2
1
2
3
4
5
1
2
COM
NO
CN-A
CN-B
WHT
WHT
SW2: MONITOR 
         SWITCH
SW1: MONITORED 
         LATCH SWITCH
TOUCH CONTROL PANEL
TC1:
MAGNETRON
THERMAL CUT-OUT
B
L
K
N
L
R-334 - 32
CONTROL PANEL CIRCUIT DIAGRAM
Figure S-2. Control Panel Circuit
+
–
+
–
+
–
+
–
+
–
+
–
+
–
A 1
A 5
A 3
COM
NO
B 1
B 2
R70
VSS
AIN3
AIN2
AIN1
AIN0
R63
R62
R61
R60
S1
S2
S3
S4
S5
S12
S11
S10
S9
S8
S7
S6
C3
C2
C1
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
R71
23
R72
24
R73
25
INT2
26
R81
27
INT1
28
R83
29
R90
30
R91
31
R92
32
XIN
33
XOUT
34
RESET
35
HOLD
36
VLC
37
COM1
38
COM2
39
COM3
40
COM4
41
VDD
42
ab
c
d
D1
R1
R1-5
1k x 5 2w
R40
1.5k
1/2w
A
B
SW60
Q20
KRA
101M
Q70
KRC105M
Q21
KRC
105M
RY1
D71
D80
JW1
D74
RY2
D3
1N4005E
D70-71
1N4005E
ZD70-71
HZ7C2
Q30
KRC
101M
R2
R3
R4
R10 27k
R11 27k
LIQUID CRYSTAL DISPLAY
CN - C
CN - B
CN - A
AC(N)
OVEN LAMP
FAN MOTOR
TURNTABLE
MOTOR
HIGH
VOLTAGE
TRANSFORMER
DOOR SWITCH
NOTE :
AC(L)
FM
CN-C
5
CN-C
4
CN-C
3
CN-C
2
CN-C
1
CN-C
6
IC1
IXA088DR
R5
: IF NOT SPECIFIED 1/4W 
±
 5%
: IF NOT SPECIFIED 1SS270A
: IF NOT SPECIFIED 0.01
µ
F/16V
1N4005E
1N4005E
LED1LED2
LED3
10G471K
VRS1
D2
ZD21
ZD20
SP30
D10
D20
D72
C80
R73 15k
R70 360 1w
R71 360 1w
ZD71ZD70
D70
D73
R30 3.3k
R20
8.2k
R72
8.2k
R31 15k
R62 4.7k
R63 4.7k
R81
4.7k
R80
15k
R42 15k
10k
R12
R41 1k
R64 100k
RW 100k
R50 10kF
(JSW2)
(J2)
(J3)
(J4)
(J5)
(J6)
(J7)
R61 10k
R60 10k
LED1-3
SLP-7117E
C1 220
µ
/16v
C20 220
µ
/35v
C41 47
µ
/16v
Q40 2SA1267Y
C21 100
µ
/35v
C42 0.1
µ
/50v
C10
0.1
µ
/50v
C43
C44
C50
33pF(CH)
C60
C61
C22 0.1
µ
/50v
C40 0.1
µ
/50v
C70 47
µ
/35v
C71 100
µ
/35v
ZD1 HZ12C1
ZD40 HZ4C3
ZD20-21 HZ12C1
FM
R-334 - 33
PRINTED WIRING BOARD DIAGRAM
Figure S-3.  Printed Wiring Board
LED1
LED2
LED3 
R30
2
C44
CN - C
RW
(WH-1)
(J6)
(J4)
(J2)
(J3)
(J7)
(J5)
4
1
1
2
C42
C50 
C40
C43
C41 
R43 
R80 
4 
B 
B
E 
E
Q21 
Q20
C21 
C70 
(J1) 
D3
D70
CN - A
5
1
R71 
R70 
ZD71 
D74
D20
RY2
A
B
C
5 
6 
R40 
R20 
R72 
(R60) 
(R61) 
(R62) 
(R63) 
JW1 
R41
E
E
1
B
R42
R11
R50
B
Q30
Q40
1
1
6
21
22
42
IC1
ZD1
(SW1)
(JSW2)
JW1
,F
(SW2)
(SW3)
(R65)
(R64)
(SW4)
(SW5)
(WH-1)
(SW6)
(SW7)
(SW60)
C1
SP30
AC LINE VOLTAGE IS SUPPLIED TO ALL PARTS
ZD40
D2
R5
R4
R3
R2
R1
(CF1)
R12
R31   
(C60)   
(C61)
C10  
C22  
R81  
C80  
D80 
D72 
4 1
D71
VRS1
ZD70 
Q70 
C71
R73
RY1
D73
E
B
ZD21
ZD20
C20
CN - B
3  
D10
R10
DIP
WARNING:
WARNING:
TRANSLESS
Display

Sharp R-334 (serv.man3) Service Manual ▷ Download

  • DOWNLOAD Sharp R-334 (serv.man3) Service Manual ↓ Size: 127.96 KB | Pages: 4 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp R-334 (serv.man3) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp R-334 (serv.man3) Microwave Oven. Information contained in Sharp R-334 (serv.man3) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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