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Samsung AW0801B, Service Manual

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SERVICE

Manual

CONTENTS

AIR CONDITIONER

1

1. Precautions

1

2. Product Specifications 

1

3. Installation and Operating 

Instructions

1

4. Disassembly and Reassembly

1

5. Troubleshooting

1

6. Exploded Views and Parts List

1

7. Block Diagram  

1

8. PCB Diagram

1

9. Wiring Diagram

10. Schematic Diagram

 DB98_04511A(2)-CO  2/18/03 4:08 PM  Page 3

ROOM AIR CONDITIONER

AW0801B AW1001B
AW1201B AW1801B

Summary of Contents for AW0801B

Page 1: ...t Specifications 13 Installation and Operating Instructions 14 Disassembly and Reassembly 15 Troubleshooting 16 Exploded Views and Parts List 17 Block Diagram 18 PCB Diagram 19 Wiring Diagram 10 Schematic Diagram ROOM AIR CONDITIONER AW0801B AW1001B AW1201B AW1801B ...

Page 2: ...ension cord and avoid tapping into a power cord This practice may result in malfunction or fire 6 After completing repairs and reassembly check the insulation resistance Procedure Prior to applying power measure the resistance between the power cord and the ground terminal The resistance must be greater than 30 megaohms 7 Make sure that the grounds are adequate 8 Make sure that the installation co...

Page 3: ...00 17400 EER BTU h W 9 8 9 8 9 8 9 7 9 7 Net Weight Kg 29 43 43 63 Condenser Row 2 15 2 17 2 17 3 19 Condenser Fan Type Propeller Fan Evaporator Row 2 11 2 12 3 12 3 11 Evaporator Fan Type Blower Fan Motor MODEL YSLA 40 6 0001 YGN60 6B YGN60 6B YSK160 6A Compressor Rotary MODEL 44A080HU1EB 44B102HX1EF 44B124HX1EL 48D80IU1EH Overload Protect MRA12083 12008 MRA12109 12007 MRA98693 12007 MRA12046 120...

Page 4: ...MEMO 2 3 Samsung Electronics ...

Page 5: ...view Side view Unit mm 2 4 Samsung Electronics Front view Side view Unit mm 2 4 Samsung Electronics Front view Side view Unit mm 2 4 Samsung Electronics Front view Side view Unit mm 2 4 Samsung Electronics Front view Side view Unit mm 2 4 Samsung Electronics Front view Side view Unit mm 2 4 Samsung Electronics Front view Side view Unit mm 2 4 Samsung Electronics Front view Side view Unit mm 2 4 Sa...

Page 6: ...e 5 Make sure that you install the unit in an area away from TVs audio units cordless phones fluorescent lighting fixtures and other electrical appliances obtain a clearance of at least one meter 6 Make sure that you install the unit in an area which provides easy drainage for condensed water 7 Make sure that you install the unit in an area not exposed to rain or direct sunlight Install a separate...

Page 7: ...set temperature can not be indicated and set 3 2 3 Energy saver operation mode If the compressor turn off at the cooling operation the fan motor turn off after operation during the fixation time only and operation that energy saver by turn off the fixation time only and operation that energy saver by turn off the motor continuously before the condition of the compressor on The fan motor is not ope...

Page 8: ...eep operation 3 2 5 Dry operation mode If the atmosphere in the room is very humid or damp use this operation mode It can remove excess humidity without lowering the room temperature too much 1 The quantity of air is adjusted automatically 3 2 6 LED display indication in case of error detection ERROR OPERATION ROOM THERMISTOR OPEN or SHORT 7 SEG LED DISPLAY E1 displayed 1 Set operation in case of ...

Page 9: ...MEMO 3 4 Samsung Electronics ...

Page 10: ...lines Replace compressor Inspect electrical wiring for defects and terminals for correct and secure connections Solder discharge line Corrective action Check refrigerant oil level Add oil as necessary Solder suction line Use nitrogen gas Perform soldering function Fill system with nitrogen gas Check for leakage Pinch and braze filling tube Recharge system Evacuate system Release nitrogen gas Low o...

Page 11: ...eplaced add 30cc oil 5 After vacuum is completed the oil is filled through the high pressure side 6 In the event of a refrigerant leak generally it is not necessary to add oil Unless the oil has leaked significantly Fill the transparent container with 10cc of oil and then conduct the test Condition of Refrigerant Cycle Normal Over heated Compressor Damage Color Straw Yellow Brown Color Dark Brown ...

Page 12: ...f the lower part of the cabinet pull it forward by about 30mm and then lift it up carefully for removal Must un connect the Displayer with the controller inside 2 Ass y Cabinet 1 Remove 2 screws on the both side of the cabinet 2 Pull the front part both side and remove the unit from the cabinet 3 Ass y Control 1 Remove the earth screw fixed on the cabinet 2 Remove 3 screws fixed on the partition a...

Page 13: ... casing Blower 1 Remove the cover on the evaporator 2 Remove all screws on the evaporator 3 Pull the evaporator forward carefully 4 Remove all screws fixed on plate evap casing then pull it out completely 3 Remove the nut and remove the Blower 6 Case Cond Fan Propeller Motor Fan 1 Remove 2 screws on the rear side of the base pan and all screws fixed on case cond 2 Pull up the condenser from the ba...

Page 14: ...wer part of the cabinet pull it forward by about 30mm and then lift it up carefully for removal Must un connect the Displayer with the controller inside 2 Ass y Cabinet 1 Remove 2 screws on the both side of the cabinet 2 Pull the front part both side and remove the unit from the cabinet 3 Ass y Control 1 Remove the earth screw fixed on the cabinet 2 Remove 3 screws fixed on the partition and frame...

Page 15: ...screws on the evaporator 2 Pull the evaporator from frame low carefully 3 Remove the nut and remove the Blower 6 Case Cond Fan Propeller Motor Fan 1 Remove 2 screws on the rear side of the base pan and all screws fixed on case cond 2 Pull up the condenser from the base pan 3 Remove the nut and remove the Propeller fan 4 Remove the earth screw fix the motor earth wire then take out the motor upward...

Page 16: ...re or the power plug is pulled out Check whether the unit is stopped as a result of completion of the sleep time Pull out the power plug for ten seconds and then insert it again Air flows but Check whether the Air filter is clogged with dust or is dirty no cooling Check whether the desired temperature is too high Set the desired temperature to a lower level than the current temperature Check wheth...

Page 17: ...10 range Is the secondary voltage of the transformer normal AC 13V AC 17V Is the F701 3 15A fuse blown Is the rectifier diode bridge BD61 normal Are the IC01 KA7812 or IC02 KA7805 normal Is the voltage of DC 17V DC 23V applied at both ends of the C101 electrolytic condenser Is the voltage of DC 12V applied at both ends of the C102 electrolytic condenser Is the voltage of DC 5V applied at both ends...

Page 18: ...mal operation Check the micom IC05 for a short and replace it Replace the membrane key pad Replace the membrane key pad Y N Normal operation N N N N N N Y Y Y Y Y Y Y Turn off the power and then turn it on again five seconds later When the LED display is not operated When the membrane key is not operated Is the voltage of the micom IC05 No 1 2 38 43 port a square wave Is the voltage of the micom I...

Page 19: ...whether the COOLING ICON LED lamp is on and th operation starts when pressing the on off button of the remocon Is the battery voltage of the remocon above DC 2 7V Is the collector voltage of the remocon Q1 Q2 a square wave Does the X TAL RJ 455JB oscillate normally Is the input voltage of the micom IC05 No 15 pin of the assembly main PCB a aquare wave Go to the clause No power The remocon is norma...

Page 20: ...on and the operation starts when pressing the on off button of the remocon Is the IC03 output normal When the compressor is on IC03 No 13 pin Low Does the relay RY71 operate normally When the compressor is ON the RY71 should operate Is the compressor normal Go to the clause No power Go to the clause when he remocon does not operate Check the IC03 for short and cold soldering Replace the IC03 Check...

Page 21: ...s on and the operation starts when pressing the on off button of the remocon Is the IC03 output normal When the fan motor is High IC03 No 12 pin Low When the fan motor is Med IC03 NO 14 pin LOW When the fan motor is Low IC03 No 15 pin Low Does the relay RY 72 73 74 operate normally When the fan motor is High RY74 should operate When the fan motor is Med RY73 should operate When the fan motor is Lo...

Page 22: ...he updated part code number through the ITSELF URL http itself sec samsung co kr 3 4 33 21 23 24 5 6 7 8 9 10 11 13 15 16 17 19 14 20 18 28 25 29 26 27 22 EXPLODED VIEW AW0801B 34 30 11 30 8 30 7 30 5 30 4 30 1 30 3 30 2 30 6 30 10 30 35 1 1 4 1 5 2 1 3 1 2 1 1 12 1 12 2 12 3 12 4 12 5 12 6 ...

Page 23: ...2F SGCC M SC94445T 1 15 ASSY COND DB96 00995A 2R 15S FP1 5 1 16 ASSY CABINET DB90 00133P ASSY 1 17 ASSY SHUTTER LF DB92 00113A SPS P J ASSY 1 18 ASSY SHUTTER RH DB92 00112A SPS P J ASSY 1 19 SHUTTER ANGLE UP DB64 00048B ASV08FAS2 HIPS T3 0 1 20 BRACKET INSTALL DB61 30219F SGCC A 2 21 NUT TERMINAL COVER DB60 30001A M5 SM20C 1 22 COMPRESSOR 44A080HU1EB 115V 60Hz 1P 1 23 COVER TERMINAL DB63 10026A GE...

Page 24: ...st 6 3 Main unit 3 4 30 11 13 19 21 20 18 23 22 25 37 EXPLODED VIEW AW1001B AW1201B 5 6 7 8 9 10 12 14 15 16 17 23 24 25 26 31 28 29 32 33 34 11 34 10 34 8 34 7 34 6 34 5 34 1 34 4 34 3 34 2 38 34 27 1 1 2 1 5 3 1 3 1 4 35 1 1 1 35 6 35 5 35 2 35 4 35 3 ...

Page 25: ...HX1EF 115V 1Ph 60Hz 1 44B124HX1EL 115V 1Ph 60Hz 1 25 TUBE SUCTION DB62 00712A OD12 7 1 DB62 00692A OD12 7 1 26 TUBE DISCHARGE DB62 00327A C1220T 0 OD9 52 T0 7 1 1 27 TUBE CAPILLARY DB62 00688B OD2 75 1 DB62 01546A C1220T H 1 28 NUT TERMINAL COVER DB60 30001A M5 SM20C 1 1 29 COVER TERMINAL DB63 10026A GE NORYL SEI 701 1 1 30 O L P DB35 00004Y MRA12109 12007 1 DB35 00011D MRA12132 12007 DB47 20001U ...

Page 26: ...art list 6 5 Main Unit 9 7 4 3 8 5 6 22 25 20 10 11 24 21 23 18 13 14 12 15 26 28 30 27 29 33 31 32 36 34 16 17 35 19 EXPLODED VIEW AW1801B 40 39 37 2 37 6 37 37 1 37 3 37 7 37 5 37 10 37 8 41 2 2 3 2 2 1 2 5 2 4 25 1 25 6 25 5 25 2 25 4 25 3 2 1 ...

Page 27: ...2 00108A HIPS T3 1 24 BRACKET INSTALL MOUNTER DB70 00091A SGCC M 2 25 ASSY PANEL CONTROL DB92 00395A ASSY 1 25 1 COVER PANEL CONTROL DB63 00514A ABS V5 1 25 2 PANEL DISPLAY DB64 00565A ABS V5 1 25 3 PANEL BUTTON DB64 00564A ABS W18 L90 1 25 4 COVER MODULE DB63 00512A PC T1 W23 1 25 5 ASSY PCB PANEL DB93 01493A SEA PJT RAC PANEL 1 25 6 THERMISTOR DB32 10051D 10K 25 3425K 1 26 NUT TERMINAL COVER DB6...

Page 28: ...ol Fan motor control Reset Circuit Led display control Remocon Single Receiving Compressor Fan motor Power circuit DC 5V Oscillation Circuit Membrane Pad control Energe saver Temp set Operation Mode Swing Sleep Fan select Timer Remocon single control MAIN MICOM Room Temperature sensor Receiving Unit of Remocon Powercircuit DC 12V Down Trans AC15V Power input AC220V Key operation Remocon control Op...

Page 29: ...GRID4 GRID3 Vcc Vss 10MHz RESONATOR 10MHz RESONATOR TEST GRID2 GRDI1 RESET IC OUTPUT KEY IN1 KEY IN2 REMOCON EEPROM CS LOW FAN COMPERSSOR MIDDLE FAN HIGH FAN 4 WAY VALVE Vcc 1 P0 1 P4 4 44 2 P0 0 P0 2 43 3 P4 3 P0 3 42 4 P4 2 P0 4 41 5 VDD P0 5 40 6 VSS P0 6 39 7 Xout P0 7 38 8 Xin P1 0 37 9 TEST P1 1 36 10 P4 1 P1 2 35 11 P4 0 P1 3 34 12 RESET P1 4 33 13 P2 0 P1 5 32 14 P2 1 P3 7 31 15 P2 2 P3 6 ...

Page 30: ...MEMO Samsung Electronics 7 3 ...

Page 31: ...1 ASS Y Main PCB 8 1 Samsung Electronics 8 PCB Diagram 8 1 ASS Y Main PCB 8 1 Samsung Electronics 8 PCB Diagram 8 1 ASS Y Main PCB 8 1 Samsung Electronics 8 PCB Diagram 8 1 ASS Y Main PCB Power PCB DB93 01492A Main PCB DB93 01493A DB93 01493B ...

Page 32: ...F 25V 1 C103 9 C CHIP 104Z 0805 50V 2 C102 C104 10 R CARBON 1 2W SMALL 1 R601 11 BUZZER PZ 227125 1 BZ61 12 HEAR SINK L15 W15 H25 1 13 CONNECTOR RED 1 CN12 14 CONNECTOR VH 4A WHT 1 CN11 15 CONNECTOR VH 5A WHT 1 CN51 16 HARNESS DB39 00807A 1 CN91 17 FUSE 250V T3 15A TIME DELAY 1 F701 18 FUSE 250V F1A FAST ACTING 1 F702 19 FUSE HOLDER HF 004 J 4 20 RELAY POWER DI1U 12VDC 1 RY71 21 RELAY POWER JQ1A 1...

Page 33: ... 1 1 1 R704 12 JUMP WIRE 1206 5 1 1 J5 13 R CHIP 1k 0805 5 2 2 R101 R102 14 R CHIP 10k 0805 5 3 3 R403 R501 R701 15 R CHIP 180 1206 5 8 8 R901 R908 16 R CHIP 330 0805 5 3 3 R401 R402 R802 17 R CHIP 10k 0805 1 1 1 R702 18 R CHIP 4 7k 0805 5 1 R703 R CHIP 10k 0805 5 1 R703 19 R CHIP 6 8k 0805 5 1 1 R801 20 SWITCH TACT TSTB 2 160GF 5 5 SW01 SW05 21 CONNECTOR SMAW250 02 RED 1 1 CN41 22 HARNESS DB39 00...

Page 34: ...Samsung Electronics 9 1 9 Wiring Diagram ...

Page 35: ...2 10K J 1 8W C402 102 12 15 14 13 22 5 9 23 6 32 11 10 4 3 44 2 1 43 42 41 40 38 39 RESET P2 2 INT2 P2 1 INT1 P2 0 INT0 Vdd Avr Test Avss Vss P1 5 Tx0 P4 0 P4 1 P4 2 P4 3 P4 4 P0 0 P0 1 P0 2 P0 3 P0 4 P0 5 P0 7 P0 8 P3 1 ADC1 P3 2 ADC2 25 26 P3 7 ADC7 Xin Xout 31 8 7 IC05 S 3 C 8 4 7 5 P2 4 INT4 P2 5 INT5 P2 6 INT6 P2 7 INT7 P1 3 BUZ 17 18 19 20 34 1 2 3 4 5 6 7 8 3 1 30PF 30PF 2 C801 104 X501 10 ...

Page 36: ...Samsung Electronics 10 2 MEMO ...

Page 37: ...ou need more information please see the service website Itself Solution Integrated technology supporting electronic library http itself sec samsung co kr Copyright 2003 By Samsung Electronics Co Ltd All rights reserved This manual may not in whole or in part be copied photocopied reproduced translated or converted to any electronic or machine readable from without prior written permission of Samsu...

Page 38: ...ELECTRONICS Samsung Electronics Co Ltd Apr 2003 Printed in China Code No DB82 00007A ...

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