Sharp R-1612 Service Manual - Page 19

S-2. Power Unit Circuit

Page 19 highlights

R-1610 R-1611 R-1612 1 2 3 4 5 6 A A B AC A 7 R4 27 Q2 2SB1238 C10 LED B D1-4 T1 11ES1 D4 D1 3 8 D5 D6 R5 4.7k C 2 GND 10G471K C1 0.1µ/50v C2 1000µ/35v R1 2.4k ZD1 HZ16-1 C3 0.1µ/50v C4 10µ/35v VRS1 1 d 5 D3 D2 + + ab - - C C Q1 2SB1238 C 3 VC R3 510 1/2w (J1) A 1 MOTOR RUN CAPACITOR A 3 c C100 7µ/230v R2 680 1/2w C 1 VA C 9 VR C 4 INT D TURNTABLE A 5 RY3 MOTOR SP1 C11 TURNTABLE MOTOR D PKM22EPT D23 A R110 47 1/2w R20 1k 1/2w HOOD LAMP B 9 C110 0.033µ/250v SSR1 OVEN LAMP NO E FAN MOTOR RY1 D21 COM COM LOW B 1 HOOD MOTOR HIGH B 3 RY5 D25 D24 HOOD B 5 THEMO F RY4 COM MICRO B 7 A NO RY2 D22 COM COM G NOTE : IF NOT SPECIFIED 1SS270A : IF NOT SPECIFIED 1/4W ± 5% R6 3.3k Q3 KRC243M + C5 - 10µ/35v C 5 BUZZER C12 HOOD LAMP E HOOD MOTOR C13 HIGH / LOW OVEN LAMP C 6 FAN MOTOR TURNTABLE MOTOR C 8 HOOD MOTOR COM F E 2 E 1 DOOR SENSING SWITCH C 7 MICRO C14 N.C. C15 DOOR SENSING SWITCH G H 1 Figure S-2. Power Unit Circuit 2 3 4 5 17 H 6

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28

17
R-1610
R-1611
R-1612
6
4
5
1
2
3
6
4
5
1
2
3
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
Figure S-2. Power Unit Circuit
+
+
+
A 7
C10
C 2
C 3
C 1
C 9
C 4
C11
C 5
C12
C13
C 6
C 8
C 7
C14
C15
A 3
A 5
B 9
NO
COM
B 1
B 3
B 5
B 7
NO
COM
E 2
E 1
A 1
Q2
2SB1238
Q1
2SB1238
ZD1
HZ16-1
Q3
KRC243M
DOOR SENSING
SWITCH
R4 27
C1 0.1
μ
/50v
(J1)
D23
D21
R110
47 1/2w
D25
D24
D22
C3 0.1
μ
/50v
C4 10
μ
/35v
C2 1000
μ
/35v
R5 4.7k
R1
2.4k
C100
7
μ
/230v
AC
MOTOR RUN
CAPACITOR
TURNTABLE
MOTOR
TURNTABLE
MOTOR
LED
GND
VC
VA
VR
INT
BUZZER
HOOD LAMP
HOOD MOTOR
HIGH / LOW
HOOD MOTOR
COM
MICRO
DOOR
SENSING
SWITCH
N.C.
OVEN LAMP
FAN MOTOR
TURNTABLE
MOTOR
HOOD LAMP
OVEN LAMP
FAN MOTOR
COM
COM
COM
NOTE
: IF NOT SPECIFIED 1SS270A
: IF NOT SPECIFIED 1/4W
±
5%
MICRO
LOW
HOOD MOTOR
HOOD
THEMO
HIGH
C110
0.033
μ
/250v
C5
10
μ
/35v
R6 3.3k
R3
510 1/2w
R2 680 1/2w
SP1
PKM22EPT
D5
T1
8
3
1
5
D4
D3
D2
D1
D1-4
11ES1
a
b
d
RY3
SSR1
A
A
RY1
R20 1k 1/2w
RY5
RY4
RY2
c
VRS1
10G471K
D6