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This is the original manufacturers service manual, with detailed info on the circit boards, explosion drawings of all parts in assembly order, and tuning instructions. The only thing missing is the information on the dimensions of the various drive belts. mail me if you need them. gcrossman_at_aol.com
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Ordered service manuel for a hard to find plasma tv - your company made it easy to find and purchase - I will use you again
Thanks for your help
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This is a high quality manual with clear schematic and components layout diagrams ; with service procedure included.
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This service manual for the Kenwood KT-990D was reproduced really well ,is very legible and manual is complete.Combined with the low price paid,in the future,I will be checking Owner-Manuals.com any time I need a manual.
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When I purchased this manual I had my doubts regarding the quality as the price was so reasonable as compared to other outlets.
The manual itself is of high standard the print is very clear as are the diagrams. Obviously with the diagrams one has to zoom in otherwise it is to small to be able to read.
Overall I am very pleased with the company who delivered as they said and with the manual they supplied.
I occasionally require a manual and now having registered with this company I shall order from them in the future.
SJ-48G-S/N SJ-51G-S/N SJ-55G-S/N
2. DEFROSTING (1) No defrosting operation is necessary No defrosting operation is necessary. As this machine is so designed that a built-in evaporator cools air and a fan circulates cooled air, neither the freezer nor the refrigerator is frosted, though the evaporator is frosted. The frosted evaporator is defrosted automatically due to the function of defrosting timer and heater, requiring no defrosting operation.
S O U R C E
(2) Where is melted ice brought 1. Melted ice is brought into the evaporating pan at the bottom of the set and is evaporated here by the heat of sub condenser. 2. Be sure that the evaporating pan is inserted correctly and is level.
(3) The following circuit diagrams in the table show automatic defrosting function of the refrigerator with timer and defrost thermostat. Operation 1. Cooling (Normal) Electric diagram
Defrost thermostat ON Compressor running Timer motor running Thermostat Timer contact
Description The integration timer integrates running time of the compressor. When it reaches 10 hours 50 min. at 50Hz, the timer contact is changed to start defrosting.
Thermo. fuse
Defrost heater
TM
COMP
Defrost thermostat (ON)
Figure F-3. 2. Defrosting
(Time 20 to 30 min.)
Thermostat Defrost thermostat ON Compressor stops Timer motor stops Timer contact
Thermo. fuse
Defrost heater
TM
COMP
The timer contact is changed to start defrosting, the timer motor stops, and power is supplied to the defrost heater. It takes about 20 to 30 min. to defrost. The defrost time will vary depending upon the amount of frost.
Defrost thermostat (ON)
Figure F-4 . 3. Drain
(Time approx. 5 min.)
Thermostat Defrost thermostat OFF Compressor stops Timer motor running Timer contact
T i e m t o r
Thermo. fuse
When the defrost thermostat turns OFF, the timer motor starts running. During the operation time(4 min. 20 sec. /50Hz) defrosted water is drained outside the refrigerator.
Defrost heater
TM
COMP
Defrost thermostat (OFF)
Figure F-5. 4. Cooling (start)
(Time approx. 5 min.)
Thermostat Defrost thermostat OFF Compressor running Timer motor stops Timer contact
Thermo. fuse
Defrost heater
TM
COMP
Timer contact is changed to cooling operation and the compressor starts running and the timer motor stops. Defrost thermostat contact becomes ON when it's cooled. And the timer motor starts running. (Figure F-3.)
C m p e s o r
S O U R C E
Defrost thermostat (OFF)
Figure F-6. 10
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