GE Appliances DVM1950 How to use

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GE Appliances
General Electric Company
Louisville, Kentucky 40225
31-9222
GE Spacemaker®
Over-the-Range
Microwave Oven
Technical Service Guide
DECEMBER 2011
GE Appliances
DVM1950
JNM1951
JVM1950
PNM1971
PVM1970
PVM2170

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IMPORTANT SAFETY NOTICE
The information in this service guide is intended for use by individuals possessing
adequate backgrounds of electrical, electronic, and mechanical experience. Any attempt
to repair a major appliance may result in personal injury and property damage. The
manufacturer or seller cannot be responsible for the interpretation of this information,
nor can it assume any liability in connection with its use.
WARNING
To avoid personal injury, disconnect power before servicing this product. If electrical
power is required for diagnosis or test purposes, disconnect the power immediately after
performing the necessary checks.
RECONNECT ALL GROUNDING DEVICES
If grounding wires, screws, straps, clips, nuts, or washers used to complete a path to
ground are removed for service, they must be returned to their original position and
properly fastened.
GE Appliances
Technical Service Guide
Copyright © 2011
All rights reserved. This service guide may not be reproduced in whole or in part
in any form without written permission from the General Electric Company.
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE
TO EXCESSIVE MICROWAVE ENERGY.
A. DO NOT OPERATE OR ALLOW THE OVEN TO BE OPERATED WITH THE DOOR OPEN.
B. IF THE OVEN OPERATES WITH THE DOOR OPEN, INSTRUCT THE USER NOT TO OPERATE THE OVEN
AND CONTACT THE MANUFACTURER IMMEDIATELY.
C. MAKE THE FOLLOWING SAFETY CHECKS ON ALL OVENS TO BE SERVICED BEFORE ACTIVATING
THE MAGNETRON OR OTHER MICROWAVE SOURCE, AND MAKE REPAIRS AS NECESSARY:
1. INTERLOCK OPERATION.
2. PROPER DOOR CLOSING.
3. SEAL AND SEALING SURFACES (ARCING, WEAR AND OTHER DAMAGE).
4. DAMAGE TO OR LOOSENING OF HINGES AND LATCHES.
5. EVIDENCE OF DROPPING OR ABUSE.
D. BEFORE TURNING ON MICROWAVE POWER FOR ANY TEST OR INSPECTION WITHIN THE
MICROWAVE GENERATING COMPARTMENTS, CHECK THE MAGNETRON, WAVE GUIDE OR
TRANSMISSION LINE AND CAVITY FOR PROPER ALIGNMENT, INTEGRITY AND CONNECTIONS.
E. ANY DEFECTIVE OR MISADJUSTED COMPONENTS IN THE INTERLOCK MONITOR, DOOR SEAL AND
MICROWAVE GENERATION AND TRANSMISSION SYSTEMS SHALL BE REPAIRED, REPLACED OR
ADJUSTED BY PROCEDURE DESCRIBED IN THIS MANUAL BEFORE THE OVEN IS RELEASED TO THE
OWNER.
F. A MICROWAVE LEAKAGE CHECK TO VERIFY COMPLIANCE WITH THE FEDERAL PERFORMANCE
STANDARD SHOULD BE PERFORMED ON EACH OVEN PRIOR TO RELEASE TO THE OWNER.

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Table of Contents
(Continued next page)
Bottom Thermal Cut Out (TCO) ...................................................................................................................................29
Capacitor and Diode .......................................................................................................................................................34
Cavity Thermal Cut Out (TCO)......................................................................................................................................32
Circuit Board Connectors View...................................................................................................................................18
Component Locator Views...........................................................................................................................................16
Components........................................................................................................................................................................19
Control Features..................................................................................................................................................................8
Control Panel Assembly.................................................................................................................................................26
Control Performance Test (JVM1950, DVM1950, JNM1951, PVM1970, PNM1971)............................39
Cooling Fan Motor............................................................................................................................................................33
Demo Mode.........................................................................................................................................................................36
Display Board.....................................................................................................................................................................29
Door Assembly...................................................................................................................................................................21
Door Interlocks (Door Latch Switches)....................................................................................................................40
Door Interlock Switches.................................................................................................................................................27
Error Messages ..................................................................................................................................................................38
Grille Assembly ..................................................................................................................................................................19
High Voltage Fuse.............................................................................................................................................................25
High Voltage Half–Wave Doubler .............................................................................................................................47
High Voltage Transformer............................................................................................................................................35
Interior Light........................................................................................................................................................................22
Introduction............................................................................................................................................................................7
Key Panel Test (JVM1950, DVM1950, PVM1970)................................................................................................42
Line Fuse...............................................................................................................................................................................25
Magnetron............................................................................................................................................................................31
Magnetron Thermal Cut Out (TCO)............................................................................................................................31
Microwave Leakage Test...............................................................................................................................................38
Microwave Oven Removal............................................................................................................................................19

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Noise Filter ...........................................................................................................................................................................25
Nomenclature .......................................................................................................................................................................6
Outer Cover .........................................................................................................................................................................20
Oven Performance Test.................................................................................................................................................38
Power Saver (Energy Saver).........................................................................................................................................23
Schematics and Wiring Diagrams............................................................................................................................43
Sensor ....................................................................................................................................................................................41
Smart Board........................................................................................................................................................................28
Stirrer Assembly ................................................................................................................................................................24
Surface Lamps...................................................................................................................................................................30
Technical Data Sheet (JVM1950, DVM1950, JNM1951, PVM1970, PNM1971) .....................................39
Troubleshooting ................................................................................................................................................................37
Turntable Coupling...........................................................................................................................................................30
Turntable Motor.................................................................................................................................................................30
Vent Blower .........................................................................................................................................................................25
Vent Fan Motor Capacitor.............................................................................................................................................31
Vent Thermal Cut Out (TCO)..........................................................................................................................................32
Warranty ..............................................................................................................................................................................48

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Feature Pack
Designates Features – the higher
the number, the more features
P V M 2 1 7 0 D P 1 B B
Installation
M = Mounts Under
Cabinet/Built-In
Capability
Product Color
BB = Black
WW = White
SS = Stainless Steel
Model Year Designator
Model Number
The nomenclature plate is located inside the
microwave on the left side.
The mini-manual is located on the backside
of the control panel assembly. It is secured
by 2 metal tabs, just above the smart board.
Nomenclature
Microwave Oven
V = Externally Vented
Over the Range
Product
P = GE Cooking Product
Cavity Size (cu. ft.)
19 = 1.9 cu. ft
21 = 2.1 cu. ft.
Model/Door Color
D = Color Matched
Engineering Model Suffix
Nomenclature
Serial Number
The first two characters of the serial number
identify the month and year of manufacture.
Example: ZV123456S = December 2011
Z- DEC
A - JAN
D - FEB
F - MAR
G - APR
H - MAY
L - JUN
M - JUL
R - AUG
S - SEP
T - OCT
V - NOV
2011 - V
2009 - S
2008 - R
2007 - M
2006 - L
2005 - H
2004 - G
2003 - F
2002 - D
2001 - A
2000 - Z
2010 - T
The letter designating
the year repeats every
12 years.
Example:
V - 2011
V - 1999
V - 1987

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Introduction
PVM2170 (2.1 cu. ft. capacity)
Circuwave™ 1000 cooking system – Provides more power for fast and more even cooking results.
Sensor cooking controls – Automatically adjusts time and power for delicious cooking results.
Easy-clean interior – Makes it easy to wipe up spills, splatters, and dried-on foods.
Power saver – Reduces standby power while the unit is not in use.
USDA MyPlate.gov menu – Preprogrammed foods and recipes assist in preparation of healthy meal choices.
Steam cook button – Perfectly prepares your steamed favorites for maximum nutrition retention.
Two-piece design with hidden vent – Creates a streamlined look for a smooth finish.
Four-speed, 400-CFM venting system – Quickly removes smoke, steam, and odors from the cooktop for
fresher, cleaner kitchen air.
Recessed turntable with on/off button – Offers the flexibility to use different sizes of dishes.
Features and Benefits
JVM1950, JNM1951, DVM1950, PVM1970, PNM1971 (1.9 cu. ft. capacity)

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Control Features
(Continued next page)
PVM2170 Features
Throughout this manual, features and appearance may vary from your model.

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(Continued next page)
PVM2170 Controls
TIMER
on/off
SETTINGS ADD
30 SEC
START
PAUSE
CANCEL
OFF
DEFROST
BACK COOKING
MENU
T
U
R
N
T
O
S
E
L
E
C
T
P
R
E
S
S
T
O
E
N
T
E
R
STEAM
FAMILY
SNACKS
Cooking Controls
Time Features
Press Enter
COOKING MENU Food type, Cook Type, etc.
DEFROST Time, Weight, Food Type or 1lb Quick Defrost
SETTINGS
TIMER
ADD 30 SEC Starts immediately!
Convenience Features
Press Enter
STEAM
Enter pad to select Food
My Pyramid Enter pad to select Food
FAMILY SNACKS Enter pad to select Food
Check the Convenience Guide before you begin.
MyPlate.gov
Press Enter
COOKING MENU Food Type, Cook Type, etc.
DEFROST Time, Weight, Food Type or 1 lb Quick Defrost
SETTINGS Help, Clock Settings, Turntable On/Off, Auto Night
Light, Beeper Volume, Reminder
TIMER Kitchen Timer Settings
ADD 30 Sec Starts Immediately!
Press Enter
STEAM Enter pad to select Food
MyPlate.gov Enter pad to select Food
FAMILY SNACKS Enter pad to select Food

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DVM1950, JVM1950, JNM1951
Cook Defrost
Settings Timer
Popcorn
Reheat
Snacks
Soften
Steam
Family
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