Sharp SJ-A20S-SL, Service Manual

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SERVICE MANUAL
SJ-A20S/B21S/A24S/B25S/A28A/B27S/A31S/A34S-SL
No.S9902SJ22FTVTT
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
CONTENTS
Refrigerator-freezer
MODELS
SJ-A20S-SL
SJ-B21S-SL
SJ-A24S-SL
SJ-B25S-SL
SJ-A28S-SL
SJ-B27S-SL
SJ-A31S-SL
SJ-A34S-SL
DESTINATION T
Refer to "HFC-134a COOLING UNIT" Service Manual for handling this refrigerant.
Refrigerant; HFC-134a
SJ-A28S-SL
SJ-B27S-SL
CHAPTER 1. SPECIFICATION
CHAPTER 2. DESIGNATION OF VARIOUS PARTS
[1] EXTERNAL DESCRIPTION........................... 2-1
[2] CONSTRUCTIONS........................................ 2-2
CHAPTER 3. DIMENTIONS
[1] OUTER DIMENTIONS AND
CLEARANCE ................................................. 3-1
[2] INNER DIMENTIONS .................................... 3-4
CHAPTER 4. LIST OF ELECTRICAL PARTS
CHAPTER 5. WIRING DIAGRAM
[1] WIRING DIAGRAM ........................................ 5-1
[2] ELECTRIC ACCESSORIES LAYOUT ........... 5-2
CHAPTER 6. FAILURE DIAGNOSIS
[1] OUTLINE OF CONTROL ............................... 6-1
[3] RE-SETTING OF MICROCOMPUTER AT
POWER FAILURE.......................................... 6-2
[4] DIAGNOSIS METHOD OF FAILURE ............6-2
[5] CONVERSION TABLE ..................................6-3
[6] CIRCUIT DIAGRAM OF MAIN PWB .............6-4
CHAPTER 7. FUNCTIONS
[1] ADJUSTABLE TEMPERATURE
CONTROL .....................................................7-1
CHAPTER 8. ASSEMBLI NG PROCEDURES OF
MAIN PARTS AND CAUTIONS
[1] F-LOUVER ASS'Y (SJ-A20S/B21S/A24S/
B25S/A28S/B27S)..........................................8-1
[3] R CONTROL COV. ASS'Y.............................8-7
[4] HOW TO REPLACE THE LAMP ...................8-9
[5] DEFROST HEATER ......................................8-10
CHAPTER 9. COOLING UNIT
[1] COOLING UNIT.............................................9-1
[2] LOCATION ....................................................9-2
Parts Guide
[2] F-LOUVER ASS'Y (SJ-A31S/A34S)...............8-4
[1] SJ-A20S/B21S/A24S/B25S/A28S/B27S........ 2-1
[2] SJ-A31S/A34S .......................................... 2-2
[3] PRECAUTION FOR USING LEAD-FREE
SOLDER........................................................5-3
[2] CHECK MODE OF DEFROST HEATER
(Forced Defrosting) ........................................ 6-1
SJ-F230G
SJ-F230G
SJ-F230G
Ag