Samsung DMW769W Schematics Diagram

9. Schematic Diagrams

9-1 Schematic Diagrams

9-1

VARISTOR

L.V.TRANS

LAMP

MAIN RELAY

POWER RELAY

(SECONDARY INTERLOCK)

SECONDARY

INTERLOCK

SWITCH

PRIMARY S/W

FAN

MOTOR

D/MOTOR

MONITOR
SWITCH

H. V. TRANS

H. V. CAPACITOR

H. V. DIODE

0V

F FA

MAGNETRON

POWER CORD
AC 120V/60Hz

(N)

(L)

BLK

BLK

BLU

BLK

BLKBLK

BLK

WHT

YEL

WHT

WHT

WHT

WHT

WHT

RED

1. INPUT : 120V 60HZ

2. DOOR : OPEN

3. LAMP : ON

4. : P.C.B PATTERN

5. : P.C.B IN/OUT POINT

WHT : WHITE
BLK : BLACK
YEL : YELLOW
BLU : BLUE
ORG : ORANGE
G : GREEN

MGT
TCO

COM

COM

NC

120V

120V

130V
40W

21V

0V

NO

L

FM DM

ASSY CHOKE P.C.B

FUSE

WHT

G

G

GND

GND

C1

C3

C2

0.9mH

500K

2200pF2200pF

BLK BLK

BLK

WHT RED

WHT

WHT

BLK BLU ORG

NO

COM

NO

COM

ORGNO

COM

NC

COM

DOOR
SENSING
SWITCH

SECONDARY
INTERLOCK
SWITCH

INTERLOCK
MONITOR
SWITCH

PRIMARY
INTERLOCK
SWITCH

(CON1)

R

R

R

R

ORG

ORG

WHT

RED

WHT

MAGNETRON

HIGH VOLTAGE
DIODE

TO CHASSIS

FA F

HIGH VOLTAGE
TRANSFORMER

POWER RELAY

DOOR SENSING SWITCH
BOTTOM

MONITOR SWITCH
CENTER

BLU

PRIMARY SWITCH

TOP (DOWN SIDE)

HIGH VOLTAGE CAPACITOR

WHT

BLK

BLK

BLK

BLK

BLK

BLK

SECONDARY SWITCH

TOP (UP SIDE)

RED

WHT

WHT