Samsung SMH9187B/XAA User Manual

Refer to the service manual in the GSPN(see rear cover) for the more information.
1. Precaution
2. ProductSpecication
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded Views and Part List
6. PCB Diagrams
7. Wiring Diagrams
8. Schematic Diagrams
BASIC: SMH9187W
MODEL: SMH9187B
MODEL CODE: SMH9187B/XAA

Samsung SMH9187B/XAA Specifications

General

Capacity	1.8 cu. ft.
Power Output	1000 Watts
Color	Black
Preset Programs	Yes
Child Lock	Yes
Auto Defrost	Yes
Sensor Cooking	Yes
Type	Over-the-Range
Cooking Modes	Auto Cook, Defrost, Reheat
Control Type	Touch
Dimensions (WxHxD)	29 7/8" x 16 15/32" x 15 1/4"
Exterior Dimensions	29 7/8" x 16 15/32" x 15 1/4"

Summary

1. Precaution

1-1 Safety precautions

General safety precautions for operating and servicing the microwave oven.

1-2 Special High Voltage Precautions

Precautions related to high voltage components and circuits during servicing.

3. Disassembly and Reassembly

3-1 Disassembly of Assembly Grille and Panel Outer

Step-by-step guide for removing the grille and outer panel of the microwave.

3-2 Replacement of High Voltage Transformer and HVC and Base bottom

Procedure for replacing the high voltage transformer, capacitor, and base bottom.

3-3 Replacement of Magnetron

Detailed steps for safely removing and replacing the magnetron component.

3-4 Replacement of Door Assembly

Instructions for disassembling and replacing the microwave door assembly and its parts.

3-5 Replacement of Fuse

3-6 Replacement of Drive Motor

3-7 Replacement of stirrer motor

3-9 Replacement of Control Circuit Board

Process for replacing the main control circuit board.

4. Troubleshooting

4-1 Error Code Numbering Rule

4-2 Error Code List

Lists specific error codes and their corresponding solutions and pages.

4-2-1 Key Short Error

Flowchart for diagnosing and resolving key short errors on the control panel.

4-3 Electrical Malfunction

Troubleshooting guide for common electrical issues like dead oven or no key input.

Timer starts countdown but no microwave oscillation.

Diagnosing issues when the timer runs but no heat is produced.

Oven can program but timer does not start.

Microwave output is low.

Oven does not operate and return to the plugged in mode.

Loud buzzing noise can be heard.

Turntable motor does not rotate.

Oven stops operation during cooking.

Sparks.

Identifying causes of sparking inside the microwave oven and customer advice.

Uneven cooking.

7. Wiring Diagrams

7-1 Wiring Diagrams

7-1 Wiring Diagrams (Continued)

8. Schematic Diagrams

8-1 Schematic Diagrams