Samsung AW127JB Service Manual Download

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ROOM AIR CONDITIONER

AW126JB/127JB
AW126JE/127JE
AW12A6JD/12A7JD

AIR CONDITIONER

CONTENTS

Precautions

Product Specifications

Installation and Operating
Instructions

Disassembly and Reassembly

Troubleshooting

Exploded Views and Parts List

Block Diagram

PCB Diagram

Wiring Diagram

10. Schematic Diagrams

SERVICE

Manual

FAN

COOL

POWER / MODE

Hour

AW126JB/front 6/27/98 10:37 AM Page 2

Summary of Contents for AW127JB

Page 1: ...CONTENTS 1 Precautions 2 Product Specifications 3 Installation and Operating Instructions 4 Disassembly and Reassembly 5 Troubleshooting 6 Exploded Views and Parts List 7 Block Diagram 8 PCB Diagram...

Page 2: ...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 mea...

Page 3: ...eep Timer mm mm Volt Hz A W FREON g BTU h BTU h W kg Row Type Row Type W Model F VAC F VAC hr Unit of Measure Window 600 X 394 X 595 715 X 470 X 655 220 240 Single 50 5 8 1 330 R 22 660 12 000 9 0 220...

Page 4: ...Samsung Electronics 600 394 394 595 FAN COOL POWER MODE C Hour MODE Front view Side view Unit mm Mode selection Buttons FAN COOL Temperature adjustment buttons Timer setting buttons ON OFF Buttons Air...

Page 5: ...xtures 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 i...

Page 6: ...rature The compressor is turned off when ambient temperature set temperature 1 C The compressor is turned on when ambient temperature set temperature 1 C 2 Default value after power reset set temperat...

Page 7: ...on of each temperature sensor open short Error mode display warning sound The operation status is off 2 The outdoor pipe thermistor error mode carry out checking only during heating operation and do n...

Page 8: ...nt reserve OFF TIMER time blinking After setting of the convenient reserve OFF TIMER time ON Others OFF In case of set temperature display NO 1 7 seg LED display indicates temperature of the tens digi...

Page 9: ...3 897 4 026 4 161 4 300 4 444 4 594 4 749 4 912 5 080 5 256 5 439 5 630 5 828 6 033 6 246 6 468 6 699 6 941 7 192 7 455 7 729 8 015 8 313 Temperature C THERMISTOR RESISTOR Kohm 29 28 27 26 25 24 23 2...

Page 10: ...nnected 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 n...

Page 11: ...gerant Refill 30cc 5 The high pressure side is filled up with oil after the vacuum is completed 6 When the refrigerant leaks it is generally not necessary to refill the oil if the leakage is not sever...

Page 12: ...wn on both sides of the lower part of the cabinet pull it forward by about 30 and then lift it up for removal 1 Remove the screws on both sides of the cabinet to disconnect the cabinet and frame 2 Pul...

Page 13: ...ng Electronics No Part name Procedures Remarks Frame Up Case Cond Propeller Fan 1 Remove 10 screws on the Frame Up 1 Remove two screws on the bottom side and 5 screws on the case cond 2 Remove the nut...

Page 14: ...assembly No Part name Procedures Remarks Blower Motor Cond Casing 1 Remove two screws on the clip motor and remove the clip motor 2 Move the motor blower toward the evap and lift up the motor blower f...

Page 15: ...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...

Page 16: ...ge of the trans normal AC 198V AC 264V Is the secondary voltage of the trans normal AC 13V AC 17V Is the F01 3 15A fuse blown Is the rectifying diode D101 D106 normal Are the IC01 KA7812 and IC02 KA78...

Page 17: ...replace it Check the micom IC02 for a short and replace it Normal operation Check the micom IC02 for a short and replace it Replace the assembly panel PCB Replace the assembly panel PCB Y N Normal op...

Page 18: ...l PCB Dose the Buzzer sound when the power on Check whether the COOL 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 D...

Page 19: ...OOL LED lamp is on and the operation starts when pressing the on off button of the remocon Is the IC03 MAIN PCB output normal When the compressor is ON IC03 MAIN PCB No 14 pin Low Does the relay RY71...

Page 20: ...ng the air swing button of the remote control Is the IC03 MAIN PCB output normal When the air swing motor is on IC03 MAIN PCB No 12 pin Low Does the relay RY 75 operate normally When the air swing mot...

Page 21: ...he COOL LED lamp is on and the operation starts when pressing the on off button of the remocon Is the IC03 MAIN PCB output normal When the fan motor is High IC03 MAIN PCB No 14 pin LOW When the fan mo...

Page 22: ...6 Exploded View and Parts List 6 1 Main unit 6 1 Samsung Electronics 25 1 7 6 5 13 2 3 4 9 8 11 12 14 4 3 2 1 5 6 7 14 15 18 16 17 13 9 8 10 11 12 19 21 20 24 22 23 27 26 10...

Page 23: ...1 1 16 DB62 31741A TUBE CAPILLARY ASS Y ID1 7 L1200 1 1 1 1 1 1 1 17 DB96 10602A ASS Y TUBE CONNECTION ASS Y 1 1 DB96 10602B ASS Y TUBE CONNECTION AW126JE 1 1 1 1 DB96 10602C ASS Y TUBE CONNECTION AW1...

Page 24: ...Samsung Electronics 6 2 Ass y Control 6 3 1 7 6 5 9 8 13 2 3 4 12 14 10 11...

Page 25: ...ITOR SECC P TO 8 1 1 1 1 1 1 1 7 DB95 20065F SWING MOTOR M2LJ49ZU32 1 1 1 1 1 1 1 8 DB93 10502A ASS Y MAIN PCB AW126JE 1 1 1 1 1 1 1 9 DB93 10501A ASS Y PANEL PCB AW126JE 1 1 1 1 1 1 1 10 DB93 20188B...

Page 26: ...ification Q TY Remarks DB93 30056B ASS Y REMOCON ARC 201 1 1 DB61 10150A CASE REMOCON UPP ABS 1 2 DB61 10145A CASE REMOCON LW ABS 1 3 DB73 20112B RUBBER BT NBR 1 4 DB93 10516B ASS Y REMOCON PCB AWH126...

Page 27: ...Electronics 7 1 7 Block Diagram 7 1 Refrigerating Cycle Block Diagram Capillay tube Check V V T1 T2 Heat exchanger Evaporator Heat exchanger Condenser Compressor 4 way valve Cooling Heating fan Propel...

Page 28: ...cuit Remocon Single Receiving FAN SPEED HIGH LOW TEMP SETTING TIMER SETTING COOL FAN ON OFF AIR SWING Compressor Fan motor Power circuit DC 5V Power circuit DC 12V Down Trans AC13V AC17V Power input A...

Page 29: ...GND 1 P31 Vcc 64 2 P30 P32 63 3 P43 P33 62 4 P42 UI2 P34 61 5 P41 UO2 P35 60 6 P40 P36 59 7 P53 P37 58 8 P52 Vss 57 9 P51 BZ P00 56 10 P50 P01 55 11 P60 AN0 P02 54 12 P61 AN1 P03 53 13 P62 AN2 P04 52...

Page 30: ...8 1 Samsung Electronics 8 PCB Diagram 8 1 Main PCB ASS Y CODE NO DB93 10502A...

Page 31: ...RY73 RY75 14 RELAY POWER DB47 90081A JM1aN DC12V 1 RY71 15 BUZZER DE30 20016A CBE 2220BA STICK 1 BZ601 16 VARISTOR 1405 000147 14D 471K 1 VA71 17 CONNECTOR WAFER 3711 000654 SMW250 12 1 CN11 18 CONNE...

Page 32: ...25 J01 J25 8 SW TACT V 3404 000280 KPT1115A 1 SW901 9 PCB PANEL DE41 10429A AWH126JE 1 PCB 10 R CARBON 2001 000776 RD 1 2 TP 471 7 R901 R907 11 LED DISPLAY DE07 20028A SSD A3202GMT S GRN 1 LE01 12 IC...

Page 33: ...RJ455JB 1 XT1 4 TR CHIP A4050 0168 2SC2412 2 QT1 QT2 5 IR LED A4150 0168 SI5312 H 2 LDT1 6 C ELEC 61079 421 120 50V 4 7uF 1 CT3 7 C CERAMIC CHIP A4150 131 101 CL21C101J BNCS 1 CT1 8 C CERAMIC CHIP A4...

Page 34: ...9 Wiring Diagram 9 1 AW126JB 127JB 9 2 AW126JE 127JE 12A6JD 12A7JD 9 1 Samsung Electronics CAPACITOR 3 5 30 F 450VAC POWER SOURCE 220V 60Hz CAPACITOR 3 5 30 F 450VAC POWER SOURCE 200 220V 50Hz POWER S...

Page 35: ...10 Schematic Diagrams 10 1 Main PCB Samsung Electronics 10 1 AW126JB 4 6 27 98 11 55 AM Page 1...

Page 36: ...10 2 Samsung Electronics 10 2 Remote Control...

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