Samsung CE745GR service manual Schematic Diagrams

Page 23

9. Schematic Diagrams

9-1 Schematic Diagrams

BRN

POWER

CORD 230V/50HZ

BLU

 

BRN

CAVITY

TCO

 

BLU

 

HEATER

 

WHT

GRILL RELAY

 

CAVITY

BLK

TCO

 

BLU

FUSE

250V10A

C1

WHT

ASSY CHOKE P.C.B

MGT

 

 

 

 

 

 

 

 

 

TCO

 

 

PRIMARYS/W

 

 

H.V.TRANS

 

 

 

 

 

 

 

 

BLK

 

 

 

BLK

BLK

 

 

 

 

BLK

 

 

 

 

 

 

 

COM

 

 

 

 

230V

 

 

 

 

 

BLK

 

 

 

 

 

 

 

C3

BLK

 

 

 

 

BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

230V40W

L

LAMP

 

 

ORG

 

H.V.DIODE

 

1ND

RESISTOR

L.V.TRANS

RELAYMAIN

 

 

MOTOR-F

230V

MOTOR-D

 

 

 

 

YEL

21V

COM

H.V.FUSE

 

 

 

 

YEL

 

 

 

(0.75A-CE745G/

 

 

 

 

 

 

 

DM

 

 

 

 

 

 

 

FM

 

0.8A-CE945G)

 

 

 

 

 

 

 

 

0V

 

NC

 

 

 

 

 

 

 

 

 

 

NO

H.V.CAPACITOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ORG

 

 

 

 

 

 

 

 

 

 

 

WHT

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

MONITOR FUSE

 

 

 

INRUSH RELAY

 

 

 

 

C2

 

 

 

 

 

RESISTOR

 

 

 

(250V1.6A)

 

 

 

 

 

BLU

0V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FA

 

 

 

 

 

 

 

 

 

 

F

 

 

 

 

 

 

 

 

 

YEL

MAGNETRON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHT

 

 

 

 

 

WHT

 

 

CONDITION OF OVEN

DOOR IS OPENED

COOK OFF

WIRING COLOR

POWER RELAY

(SECONDARY INTERLOCK)

L.V.T

MAIN

POWER

INRUSH

GRILL

DOOR SENSING

S/W

RELAY

RELAY

RELAY

RELAY

 

 

KEY BOARD

A S S Y M A I N P.C.B

1.INPUT : 230V

2.DOOR : OPEN

3.LAMP : ON

4.: P.C.B PATTERN

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

BRN : BROWN

BLU : BLUE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHT : WHITE

ORG : ORANGE

COM NO

 

BLK

 

 

COM NO

 

 

 

ORG

 

 

 

NC

 

WHT BLK

 

 

 

 

 

 

 

COM NO

 

 

RED : RED

YEL : YELLOW

 

 

 

 

 

 

 

 

 

 

 

BLK BLU

BLK : BLACK

 

 

 

 

BLK BLK

 

 

 

 

 

ORG

 

 

 

 

BLK

 

 

Y/G : YELLOW GREEN

PRIMARY LATCH

DOOR SENSING

MONITOR

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

SWITCH

 

 

 

 

 

SWITCH

 

 

MAGNETRON

BLK

WHT

HIGH VOLTAGE

DIODE

FA

F

TO CHASSIS

 

 

 

HIGH VOLTAGE CAPACITOR

 

 

RED

 

 

 

RED

 

 

 

RED

H.V.FUSE

 

 

 

 

 

 

SYMBOL

COLOR

 

RED

BRN

BROWN

 

 

BLK

BLACK

 

 

RED

RED

 

 

BLU

BLUE

HIGH VOLTAGE

TRANSFORMER

Samsung Electronics

9-1

Image 23
Contents Microwave Oven Page Safety precautions PrecautionSpecial High Voltage Precautions Special Servicing PrecautionsComparison Chart SpecificationsTable of Specifications Control Panel Features & External ViewsOperating Instructions Replacement of High Voltage Transformer Disassembly and ReassemblyReplacement of Magnetron, Motor Assembly and Lamp Removal of Door Assembly Replacement of Door AssemblyReplacement of Drive Motor Replacement of FuseRemoval of Control Box Assembly Replacement of Control Circuit BoardMagnetron Alignment and AdjustmentsHigh Voltage Transformer Low Voltage TransformerHigh Voltage Diode Main Relay and Power Control RelayPrecaution High Voltage CapacitorLeakage Measuring Procedure Output Power of MagnetronMicrowave Heat Distribution Heat Evenness Electrical Malfunction TroubleshootingTroubleshooting Exploded Views Exploded Views and Parts ListParts No Description/Specification Qty Remarks Main Parts ListParts No Description/Specification Qty Remarks Old Parts No Control Parts ListBody Latch Parts List Description/Specification QtyStandard Parts List P.C.B Diagrams C.B DiagramsParts No Description / Specification Qty Remarks P.C.B Parts ListSchematic Diagrams Schematic Diagrams