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Samsung AM14A1E07, Service Manual

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Samsung AM14A1E07 Service Manual Download Page 18

Block Diagrams

7-2

Samsung Electronics

7-2 Outdoor Unit Control Diagram (IC-TYPE)

AC240V

50Hz

Power input

250V 3.15A

Power trans and

rectification

circuit

DC power

circuit

Load control 

(SV-BY, SV-B, SV-C,

compressor)

Indoor unit

Room B, and

room C sensor

Room “C”

Input

Room “B”

Input

Indoor unit

room 1 and

room 2 motor

sensor

SV-BY

Delay circuit

Compressor

motor

SV-BY

driver

Simultaneous

controller.

SV-B, SV-C

Compressor

delay

circuit

SV-C

driver

SV-C

sensor

SV-B

Sensor

SV-B

driver

Summary of Contents for AM14A1E07

Page 1: ...structions and Installation 4 Disassembly and Reassembly 5 Troubleshooting 6 Exploded Views and Parts List 7 Block Diagrams 8 PCB Diagrams 9 Wiring Diagrams 10 Schematic Diagrams ROOM AIR CONDITIONER...

Page 2: ...g 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 b...

Page 3: ...Samsung Electronics 9 1 9 Wiring Diagrams 9 1 Indoor Unit AM20A1 B1 E08 AM20A1 B1 E06 AM14A1 B1 E07...

Page 4: ...Samsung Electronics 9 2 9 2 Outdoor Unit UM20A1 B1 E3 UM14A1 B1 E2...

Page 5: ...ay 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 Samsung Electronics Co Ltd SyncMaster...

Page 6: ...Samsung Electronics 8 1 8 PCB Diagrams 8 1 Main PCB INDOOR UNIT 8 1 1 AM14A1 B1 E07 DB93 10603A...

Page 7: ...R CARBON R CARBON R CARBON R CARBON R CARBON R CARBON R CARBON R CARBON R METAL FILM DIODE RECT THYRISTOR BUZZER TRANS L V PIN EYELET C CERAMIC C CERAMIC C CERAMIC C ELEC C ELEC C ELEC C ELEC IC MCU...

Page 8: ...Samsung Electronics 8 3 8 1 2 AM20A1 B1 E08 DB93 00072A PCB Diagrams...

Page 9: ...3501 001058 DE39 60001A 3501 000399 Description FUSE HOLDER FUSE IC VOLT REGU HEAT SINK SCREW PH IC VOLT REGU C FILM FILTER NOISE R CARBON R CARBON R CARBON R CARBON R CARBON R CARBON R CARBON R CARB...

Page 10: ...Samsung Electronics 8 5 8 1 3 AM20A1 B1 E06 DB93 10628A PCB Diagrams...

Page 11: ...LM FILTER NOISE R CARBON R CARBON R CARBON R CARBON R CARBON R CARBON TR SMALL SIGNAL R CARBON R CARBON R CARBON R CARBON R CARBON R METAL FILM DIODE RECT DIODE RECT THYRISTOR BUZZER TRANS L V PIN EYE...

Page 12: ...Samsung Electronics 8 7 8 2 PCB OUTDOOR UNIT 8 2 1 UM14A1 B1 E2 DB93 10618A UM20A1 B1 E3 DB93 10617A...

Page 13: ...R CARBON R CARBON R CARBON PCB MAIN TR RESET IC IC DRIVE CON HEAD CON HEAD CONNECTOR WAFE CONNECTOR WAFE CONNECTOR WAFE CONNECTOR WAFE CONNECTOR WAFE CONNECTOR WAFE PHOTO COUPLER CERAMIC RESONATOR C...

Page 14: ...AY UPP SEAL CASE DISPLAY CODE NO DB41 10204B 0601 001333 0601 001059 0601 001060 0601 001196 DB32 50027A 2202 000780 2001 000515 2001 000283 0401 000005 DB39 20346A DB61 10191A DB63 10494A DB72 10233A...

Page 15: ...P SEAL CASE DISPLAY CODE NO DB41 10205B 0601 001333 0601 001059 0601 001060 0601 001196 DB32 50027A 2202 000780 2001 000515 2201 000283 0401 000005 DB39 20346A DB61 10197A DB63 10494A DB72 10245A DB72...

Page 16: ...ED LAMP LED LAMP LED LAMP LED LAMP MODULE REMOCON C CERAMIC R CARBON CONNECTOR WAFER C CERAMIC C W DIS MODULE CASE CENTER PCB COVER DISPLAY SEAL DISPLAY UPP SEAL CASE DISPLAY JUMP WIRE Specification F...

Page 17: ...T BLADE H MOVING SELECT ON OFF TIMER SELECT TEMPERATURE SELECT SLEEP SELECT TIME SETTING COMPRESSOR CONTROL SIGNAL STEPPING MOTOR CONTROL SIGNAL BUZZER CONTROL SIGNAL TRIGER SIGNAL SSR OSCILLATION CIR...

Page 18: ...fication circuit DC power circuit Load control SV BY SV B SV C compressor Indoor unit Room B and room C sensor Room C Input Room B Input Indoor unit room 1 and room 2 motor sensor SV BY Delay circuit...

Page 19: ...Samsung Electronics 6 1 6 Exploded Views and Parts List 6 1 Indoor Unit 6 1 a AM20A1 B1 E08 AM14A1 B1 E07...

Page 20: ...FILTER COVER TERMINAL ASS Y FRONT PANEL ASS Y DISPLAY PCB ASS Y DISPLAY PCB ASS Y TRAY DRAIN ASS Y STEP MOTOR U D BLADE H ASS Y EVAP SPACER EVAP ASS Y HOLDER MOTOR MOTOR FAN IN ASS Y C F FAN ASS Y BEA...

Page 21: ...Samsung Electronics 6 3 Exploded Views and Parts List 6 1 b AM20A1 B1 E06...

Page 22: ...30052Q GRILLE AIR INLET PANEL DISPLAY GUARD AIR FILTER CLEANER FILTER ASS Y COVER TERMINAL ASS Y FRONT PANEL ASS Y DISPLAY PCB ASS Y TRAY DRAIN ASS Y STEP MOTOR U D BLADE H ASS Y EVAP SPACER EVAP ASS...

Page 23: ...Samsung Electronics 6 5 6 2 Outdoor Unit UM20A1 B1 E3 9 9 1 9 5 6 2 a UM20A1 B1 E3...

Page 24: ...ELLER MOTOR FAN OUT BASE MOTOR ASS Y CABINET BACK CABINET BACK ASS Y COVER CONTROL ASS Y BASE OUT ASS Y VALVE VALVE PACKED 3 8 VALVE PACKED 3 8 VALVE PACKED 1 4 VALVE PACKED 1 4 TUBE CAPI A TUBE CAPI...

Page 25: ...Samsung Electronics 6 7 6 2 b UM14A1 B1 E2 Exploded Views and Parts List...

Page 26: ...lange Fan propeller Motor fan out Compressor Nut flange Terminal cover Relay over load Olp spring Nut hex Washer comp Isolator grommet ASS Y SOLENOID V V BRIK V V SOLENOID SOLENOID COIL ASS Y VALVE PA...

Page 27: ...DB67 60061A DB67 60062A DB67 60063A 90 X 250 DB93 40179B DB61 40243A Description ASS Y CODE CASE UP CASE LOW DOOR REMOCON COVER BATTERY FILTER REMOCON RUBBER REMOCON INLAY LCD INLAY REMOCON LABEL REM...

Page 28: ...Description CASE CONTROL ASS Y MAIN PCB ASS Y MAIN PCB IC MCU THERMISTOR ASS Y TRANS POWER C FILM POWER RELAY FUSE ASS Y PCB DISPLAY ASS Y PCB DISPLAY Specification ABS 94 5V ASS Y ASS Y AMB89635R 466...

Page 29: ...Parts List No 1 2 3 4 CODE NO DB61 10151A DB93 10628A DB32 10008D DB26 10063B Description CASE CONTROL ASS Y MAIN PCB ASS Y THERMISTOR TRANSFORMER Specification ABS ASS Y 103AT 240 240 AC230V DC17 Q...

Page 30: ...Compressor stops operation intermittently in DRY mode 5 Timer LED only of the indoor unit lights up and the air conditioner does not operate 6 The compressor stops intermittently in a COOL mode or DRY...

Page 31: ...s voltage of 63 indoor fan of the micom normal Is voltage at 32 terminal of the Micom normal 0VDC Is voltage at 64 terminal of the Micom normal 5VDC Is 198 264VAC applied to the primary side of the po...

Page 32: ...urn on the power in five minutes Does the power of the IC01 KA7812 match with the voltage of DC12V Is the F701 3 15A fuse blown Is the secondary voltage of the trans normal AC15V AC25V Is the first vo...

Page 33: ...hooting After unplugging out the power cord should be reconnected within five seconds Does the operating lamp Green blink Does the Solid State Relay SS71 work properly Is the supply voltage of the fan...

Page 34: ...ompreessor or outdoor fan motor replaced Power relay is out of order Power relay should be replaced PCB should be checked Microcomputer is out of order PCB should be checked Room temperature sensor is...

Page 35: ...of the IC04 maintain Low When both of the indoor units B C is turned on Does the No7 pin output of the IC04 maintain Low Are the Q901 and 904 in Turn off condition Are the Q902 Q903 and Q905 in Turn...

Page 36: ...cedure Remove power cord and plug in again in approx 5 seconds Is operating lamp blinking Does operation start when swing button of the remote con trol unit pushed Voltage at pin 33 36 of micom ICO4 c...

Page 37: ...faulty Receiver module is faulty Q601 C4375Y or Q602 C1623Y is faulty IR LED CL 1L5EU is faulty sound heard from the indoor unit when ON OFF button on the remote control unit pushed Voltage of batter...

Page 38: ...4 pin output of the IC04 maintain High 2 Does the No1 pin output of the IC04 maintain Low Is the No8 pin output of the IC04 in High condition Are the Q906 and Q907 in turn on condition Is the Q908 in...

Page 39: ...ing off of the Q702 lead to turning off of the SV BY relay RY72 Normal Check and replace the IC04 Check and replace the IC04 maintain resistance R902 R903 R905 R906 1 Is the No 12 pin voltage of the I...

Page 40: ...C6V or above applied to both ends of the C901 1 Is the 14th pin output of the IC04 maintained at High level 2 Is the Ist pin output of the IC04 maintained at Low level Are the Q906 Q907 and Q909 under...

Page 41: ...bout DC6V or above applied to both ends of the C901 1 Is the output of the 14th pin of the IC04 maintained a Hight level 2 Is the output of the lst pin of the I04 maintained at Low level Are the Q906...

Page 42: ...the No12 pin voltage of the IC04 DC7V 2 Is the No3 pin voltage of the IC04 DC5V Check and replace each transistor Is the voltage at both ends of the C901 0V Is the No10 pin voltage of the IC04 DC7V T...

Page 43: ...n its substrate So if a circuit board is roughly handled such lead wires and parts will be easily broken or damaged by bending or shock 5 When soldering the lead wires of any new part be sure to polis...

Page 44: ...tage at OUT and GND of IC01 KA7812 12VDC 4 DC voltage at OUT and GND of IC02 5VDC 5 DC voltage at Q201 Base and GND change squarewave Voltage check 1 Voltage of relay RY71 coil Voltage at pin 10 pin 7...

Page 45: ...al At ambient temperature 10 C 30 C Abnormal Measure the voltage between ground and signal wire of the fan motor Normal Abnormal Abnormal if voltage does not change from 0V to 5V Normal At ambient tem...

Page 46: ...l upper 3 Contract the second finger to the left and right handle and pull to open the inlet grille 4 Take the left and right filter out 5 Loosen one of the right fixing screw and seperate the termina...

Page 47: ...above Separate the holder at the rear side of Indoor unit 2 Take the display PCB out Center of indoor unit 3 Loosen three fixing screws of left and right 4 Pull tray drain out from the back body 1 Do...

Page 48: ...he left screws of the heat exchanger 1 Do above 2 Loosen the fixing two screws and separate the motor holder 3 Loosen the fixing screw of motor fan By use of M3 wrench Separate the motor from the fan...

Page 49: ...move the control box cover 4 Unplug the ass y cable 5 Remove the cabi side 6 Remove the cabi front When you assemble the parts check if the each parts and electric connectors are fixed firmly 1 Do Pro...

Page 50: ...r cancel the timer on and timer off Use this button to reserve the timer on Set up the time that operation stop Set up the time that operation start Each time you press this button FAN SPEED is change...

Page 51: ...button is pressed at first the air conditioner is operated powerful state for 30 minutes regardless of the set tempera ture room temperature When this button is pressed again or when the operating ti...

Page 52: ...CD displays the polling state sequentially The LCD also displays the time remaining 10 24 Hour ON OFF Real Setting Timer The air conditioner is turned ON at a specified time using OFF TIMER The air Co...

Page 53: ...ate when the indoor unit room C is turned on Both of the SV B and SV C solenoid valves operate when all of the indoor unit room B and room C are activated When both of the indoor unit room B and room...

Page 54: ...oor units Room B Room C 2 Outdoor unit load time chart according to the operating conditions for the indoor unit Operating Instructions and Installation Combination of indoor units Control of solenoid...

Page 55: ...in a high place 3 Make sure that you install the outdoor unit in area providing good ventilation and which is not dusty It must not be blocked by any obstacle affecting the airflow near the air inlet...

Page 56: ...Drain hose installation Cut the piping hole sloped slightly Piping Liquid 1 4 Clamper tube Piping Gas 3 8 Installation plate Installation tube Pipe connection Vinyl tape Screw Putty Drain hose Piping...

Page 57: ...or bolts the anchor bolts must not project by more than 20mm 4 Determine the positions of the wooden uprights to be attached to the window frame 5 Attach the wooden uprights to the window frame in a m...

Page 58: ...tres away from the indoor unit the cable must first be extended to a maximum of ten metres 1 Extend the assembly cable if necessary 2 Open the front grille by pulling on the tabs on the lower right an...

Page 59: ...o B Each wire is labelled with the corresponding terminal number Ensure that the wire number of the indoor unit and the terminal number of the out door unit 3 Connect the earthing wires to the earth t...

Page 60: ...fications of grounding electrode Terminal used exclusively for grounding Carbon plastic Steel core PVC insulated wire 2mm2 x3 5m green Terminal M4 Grounding resistance less than 100 ohms existing grou...

Page 61: ...e using a pipe cutter Tools used 2 Remove burrs at the tip of the pipe cut Caution Burrs not removed may result in leakage of gas 3 Insert a flare nut into the pipe and modifty flare Unproper flaring...

Page 62: ...ts and the service port cap to the valve and tighten them at the torque of 18N m with a torque wrench 4 Purge the air from the system using vacuum pump for about 10 minutes Close the valve of the low...

Page 63: ...rigerant is put in too quickly compressor will be damaged 5 Stop operation of the air conditioner 6 Disconnect the charge hose of manifold gauge 7 Close the cap of each valve 2 Connect the charging ho...

Page 64: ...location 2 Way Valve Cap 3 Way Valve Refer to this procedure when the unit is relocated 1 Confirm that both the 2 way and 3 way valves are set to the open position 1 Remove the valve stem caps 2 Be su...

Page 65: ...t DB WB 27 19 Voltage Frequency 240V 50Hz 10000 Cooling Capacity Outdoor Temperature DB WB Outdoor Temperature DB WB 21 15 27 19 35 24 43 26 Air Outlet Temp 7000 8000 9000 15 14 13 12 11 10 7 Current...

Page 66: ...st Condition Indoor Unit DB WB 27 19 Voltage Frequency 240V 50Hz 10000 Cooling Capacity Outdoor Temperature DB WB 21 15 35 24 43 26 Air Outlet Temp 7000 8000 9000 15 14 13 12 11 10 Cooling Capacity Lo...

Page 67: ...28 35x20 67x9 65 32 08x11 73x7 17 29 33x10 23x6 96 30 98x24 41x12 6 Weight kg 9 6 35 9 6 8 0 54 Refrigerant Liquid OD mm xL m 6 35x5 6 35x5 6 35x5 pipe Gas 9 52x5 9 52x5 9 52x5 Drain hose ID mm xL m...

Page 68: ...Dimensions 2 2 1 a Indoor Unit AM14A1 B1 E07 AM20A1 B1 E08 Air in Front view Remote control Rear view 815 182 Air out Installation plate 58 22 2 2 1 b Indoor Unit AM20A1 B1 E06 Front view Rear view R...

Page 69: ...Samsung Electronics 2 3 2 2 2 b UM14A1 B1 E2 2 2 2 a UM20A1 B1 E3 2 2 2 Outdoor Unit Product Specifications Front view Rear view Front view Rear view...

Page 70: ...27 19 35 24 A or B Max over load 6 0 6 3 16 15 32 23 43 26 Cooling Low temp 3 4 3 6 3 2 21 15 21 15 Standard 5 0 5 2 12 10 27 19 35 24 A B Max over load 6 0 6 3 16 15 32 23 43 26 Low temp 3 4 3 6 3 2...

Page 71: ...Samsung Electronics 2 5 2 3 2 b UM20A1 B1 E3 Product Specifications...

Page 72: ...Samsung Electronics 10 1 10 Schematic Diagrams 10 1 Indoor Unit 10 1 1 AM14A1 B1 E07...

Page 73: ...Samsung Electronics 10 2 10 1 2 AM20A1 B1 E06...

Page 74: ...Samsung Electronics 10 3 10 2 1 UM20A1 B1 E3 UM14A1 B1 E2 10 2 Outdoor Unit...

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