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U P D A TE LOG SHEET

Application date

Page

Part#

Note(Cause & Solution)

S/Bulletin#

Use this page to keep any special servicing information. (Service Bulletin, etc.)

If only parts number changes, Just change parts number directly on parts list.

And if you need more information, please see the service bulletin

®œ 1995 by Samsung Electronics Co., Ltd.

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

Samsung Electronics Co., Ltd.

SyncMaster 17GLi/CMG7387L Service Manual

First edition June 1995.

Printed in Korea.

Tr a d e m a r k s

Samsung is a registered trademark and

SyncMaster 17GLi/CMG7387L and MacMaster

Cable Adapter are trademark of Samsung

Electronics Co., Ltd.

Macintosh, Centris, Quadra, Duo Dock, and

Power Macintosh are trademark of Apple

computer, Inc.

All other trademarks are the property of their

respective owners.

Содержание UQ07A1AE

Страница 1: ...ng Instructions and Installation 4 Disassembly and Reassembly 5 Troubleshootinh 5 Exploded Views and Parts List 6 Block Diagrams 7 PCB Diagrams 8 Wiring Diagrams 9 Schematic Diagrams ROOM AIR CONDITIONER INDOOR AQ07A1AE AQ07A2AE AQ07B1AE AQ07B2AE OUTDOOR UQ07A1AE UQ07A2AE UQ07B1AE UQ07B2AE ...

Страница 2: ... Samsung Electronics Co Ltd DEC 1998 Printed in Korea Code No DB81 00009A 1 ...

Страница 3: ...ng 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 resis tance between the power cord and the ground terminal The resistance must be greater than 30 megohms 7 Make sure that the grounds are adequate 8 Make sure that the installation conditions are satisfactory R...

Страница 4: ...1 2 Samsung Electronics MEMO ...

Страница 5: ... tube in Wide tube in Refrigerant tube kit Accessories Unit dimensions Height mm Width mm Depth mm Package dimensions Height mm Width mm Depth mm Weight Net kg Shipping kg AQ07A1AE AQ07B1AE AQ07A2AE AQ07B2AE Cooling Heating 220 240V 50Hz 2 05 2 20 7 000 7 500 5 2 5 4 0 9 198 264 3 1 2 9 0 71 0 66 95 4 94 8 9 9 11 4 17 Microprocessor I C Thermostat Wireless remote control Q Timer 24 Hour On or Off ...

Страница 6: ...2 2 Samsung Electronics 2 3 Dimensions 2 3 1 Indoor Unit 2 3 2 Outdoor Unit Front view 745 177 Remote control Rear view Front view Rear view 235 492 50 660 58 22 ...

Страница 7: ...f 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 changed in the following order Adjusts air flow vertically Use this button for sleep operation The SLEEP mode can be selected at COOL and HEAT mode Set up the reserve or cancel the timer on and timer off quickly Use this button to provide h...

Страница 8: ...unit operates in DRY mode Compressor ON OFF Time is controlled compulsorily can not set up the fan speed always breeze Protective function Low temperature release Prevention against freeze 5 TURBO MODE This mode is available in AUTO COOL HEAT DRY FAN MODE When this button is pressed at first the air conditioner is operated powerful state for 30 minutes regardless of the set tempera ture room tempe...

Страница 9: ... displays the polling state sequentially The LCD also displays the time remaining 11 24 Hour ON OFF Real Setting Timer The air conditioner is turned ON at a specified time using OFF TIMER The air Conditioner is turned OFF at a specified time using ON TIMER Only timer LED lights on OFF TIMER Both timer and operation LED lights on 12 SELF Diagnosis 13 BUZZER SOUND Whenever the ON OFF button is press...

Страница 10: ...ed 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 and the air outlet 4 Make sure that you install the outdoor unit in area free from animals or plants 5 Make sure that you install the outdoor unit in area not blocking the traffic 6 Make sure that ...

Страница 11: ... Indoor unit B Drain hose installation Cut the piping hole sloped slightly Piping Liquid 1 4 Clamper tube Piping Gas 3 8 Installation plate Insulation tube Pipe connection Vinyl tape Screw Putty Drain hose Piping may be laid to the rear left right or down Right Rear Down 160mm ormore 100mmormore Rear Left 3 2 5 6 7 4 10 1 2 3 4 5 6 7 8 9 10 1 Remote control Remote control holder ...

Страница 12: ... 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 manner appropriate to the weight of the indoor unit 6 Using tapped screws attach the installation plate to the wooden uprights as illustrated in the last figure oppo site On delivery the indoor unit is l...

Страница 13: ...e metres away from the indoor unit the cable must first be extended to a maximum of 15 metres 1 Extend the assembly cable if necessary 2 Open the front grille by pulling on the tabs on the lower right and left sides of the indoor unit 3 Remove the screw securing the connector cover 4 Pass the assembly cable through the rear of the indoor unit and connect the assembly cable to terminals 1 to 4 and ...

Страница 14: ...ire holder 5 Assemble the cover E parts 6 To prevent the entry of water form a trap of the ass y cable as illustrated in the installation dia gram of indoor and outdoor unit In heating and de ice operation condensed water may be generated Install drain line as following procedure 1 Insert Drain plug into Hole and then connect drain hose to drain plug Inside diameter of drain hose is 18mm Wiring co...

Страница 15: ...pe 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 Oblique Raughness Burr Pipe Reamer Inclined Surface damaged Cracked Uneven thickness D A Outer diameter A mm ø6 35mm 1 3 ø9 52mm 1 8 ...

Страница 16: ...e the cap of each valve 8 Check each valve for leakage 5 Open the service valve cap of the 3 way valve and press the needle valve to discharge gas for 3 seconds and leave it for about 1 minute Repeat the above procedure for 3 times to purge air Leaking If leaking tighten the flare nut one more time If continues to leak although the pipe fixing area has been tightened again repair the leaking area ...

Страница 17: ...side to the service valve and open the 3 way valve again 5 Check the pressure indicated by the pressure gauge low pressure side Standard pressure is should be 4 5 5 5kg cm2 in a reqular high operation mode 6 Open the refrigerant tank and fill with refrig erant until the rated pressure is reached It is recommended not to pour the refrigerant in too quickly but gradually while operating a pressure v...

Страница 18: ...Gas Side 160 300 200 350 Fixing Torque Final Torque Torque kg cm Connection Pipe Length 5m Max 5 10m Air Purge Method Refer to the detailed Air Purge Procedure Refrigerant Adjustment Unnecessary Add 10g of refrigerant R 22 for every 1m Air Purge Method Purge air using a vaccum pump or an additional refrigerant cylinder Refrigerant Quantity refer to specification sheet Add 10g of refrigerant R 22 f...

Страница 19: ...o this procedure when the unit is relocated 1 Carry out the pump down procedure refer to the details of pump down 2 Remove the power cord 3 Disconnect the assembly cable from the indoor and outdoor units 4 Remove the flare nut connecting the indoor unit and the pipe At this time cover the pipe of the indoor unit and the other pipe using a cap or vinyl plug to avoid foreign material entering 5 Disc...

Страница 20: ... 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 terminal cover 6 Loosen three fixing screws of front grille 7 Pull the upper left and right of discharge softly for the outside cover to be pulled out 8 Pull softly the lower part of discharge and push it up Cautio...

Страница 21: ...om the back body 1 Do 1 2 above 2 Take all the connector of PCB upper side out Inclusion Power cord 3 Separate the outdoor unit connection wire from the terminal block 4 If pulling the Main PCB up it will be taken out 1 Do 1 and 2 3 above 2 Loosen two fixing earth screws of right side 3 Separate the connection pipe 4 Separate the bush body at the upper side and holder at the rearside 5 Loosen the ...

Страница 22: ... 5 Fan Motor and Cross Fan 1 Do 1 2 3 4 above 2 Loosen the fixing three screws and separate the motor holder 3 Loosen the fixing screw of fan motor By use of M3 wrench 4 Separate the fan motor from the fan 5 Separate the fan from the left mold bearing ...

Страница 23: ...mmon Work 1 Loosen the fixing screw and separate the cover E parts 2 Separate the connection from the terminal block 3 Loosen six fixing scews and seprate the upper cabinet 4 Loosen the fixing screw of Ass y E part 5 Loosen three fixing screws and separate the side cabinet ...

Страница 24: ...emark 2 Fan and Motor 1 Do 1 above 2 Loosen fixing screwof the Guard fan 3 Turn the Guard fan to separate from the cabi front 4 Remove the nut flange Turn to the right to remove as it is a left hand screw 5 Separate the fan 6 Loosen four fixing screws to separate the motor ...

Страница 25: ...tion 3 Disassemble the inlet and outlet pipe by welding 4 Separate the heat exchanger 1 Do 1 above 2 Open the termonal cover of compressor and unscrew the connection terminal 3 Disassemble the inlet and outlet pipe of com pressor by welding 4 Disassemble the inlet and outlet pipe of con denser by welding 5 Loosen the three bolts of the lower part 6 separate the compressor ...

Страница 26: ... 9 The compressor stops intermittently in a COOL mode or DRY mode and fan speed of the indoor unit decreases It indicates power is on The LED stops blinking if the operation ON OFF button on the remote control unit is pushed In happens after a delay of 3 minutes when the compressor is reoper ated The same phenomenon occurs when a power is on As a phenomenon that the compressor is reoperated after ...

Страница 27: ...DC Is voltage of 60 indoor fan of the micom normal Is voltage at 17 terminal of the Micom normal 0VDC Is voltage at 43 terminal of the Micom normal 5VDC Is the rating voltage 10 range applied to the primary side of the power transformer Check linkage between power cord and terminal tap Check fuse Is 14 18VAC appear in the secondary side of the power transformer Replace power transformer YES NO YES...

Страница 28: ...eshooting 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 motor sufficient Test rod location PCB CN73 Condition Fan operate AC 180V Normal voltage Pin 3 Pin 5 YES YES YES NO NO NO Check as in the procedur NO power parts Refer tp page 5 2 Microcomputer is ...

Страница 29: ... power cord should be recon nected within five seconds Does the operating lamp blink YES YES NO NO NO 1 YES 3 2 NO YES 1 NO 2 NO Outdoor unit is out of order 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 out of order Check as in the procedure No Power parts Refer to page 5 2 YES 3 Is t...

Страница 30: ...Driver IC05 KID65003 is faulty Micom IC04 is faulty Normal Check as in the procedure No Power parts Refer to page 5 2 5 2 5 In the Heat mode When there is no warm air current Check this first 1 Is the set temperature of Remote Control lower than room temperature in Heat mode 2 Is the Indoor PCB properly connected with the CN71 power cord connector After training on the heating operation should sta...

Страница 31: ...on Micom is 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 but ton on the remote control unit pushed Voltage of battery less than 2 5V Remote Control Unit LCD display status of REMOCON normal Voltage at PIN 30 of Remocon Micom change Voltage at collecter of Q601 or Q602 change Voltage at pin 26 of micom I...

Страница 32: ...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 polish them using an emery paper or the like before solding them Since the lead wires of any new part are covered with an oxide film solder cannot adhere to the lead wires if not polished 6 When soldering ...

Страница 33: ...ndary 14 18Vac 3 DC voltage 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 11 PIN 12 PIN 15 of IC07 12VDC 2 Voltage at Terminal Tap TB71 or 72 and RY71 Terminal N0 4 rating voltage 10 range 1 Compressor does not operate 1 Compressor does not operate 1 Voltage ...

Страница 34: ...ormal 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 temperature 10 C 30 C Abnormal O Ω open or short Measure resistance between red wire and each terminal Normal Approx 300Ω at ambient temperature 20 C 30 C Abnormal O Ω open or short between Resistance...

Страница 35: ...6 1 Samsung Electronics 6 Exploded Views and Parts List 6 1 Indoor Unit ...

Страница 36: ...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 BEARING ASS Y MAIN PCB ASS Y MAIN PCB ASS Y THERMISTOR POWER CORD CASE CONTROL BODY BUSH ASS Y BACK BODY HOLDER PIPE PLATE HANGER TRANSFORMER ASS Y REMOCON HIPS HIPS PC PC PP ASS Y ABS ASS Y ASS Y ASS Y ASS Y A...

Страница 37: ...6 3 Samsung Electronics 6 2 Outdoor Unit 18 1 18 18 2 18 3 ...

Страница 38: ...PROPELLER FAN MOTOR FAN OUT ASS Y FRAME ASS Y PARTITION CABI UPP ASS Y CONTROL OUT CAPACITOR ASS Y LEAD WIRE OUT CLOTH COMP BOTTOM CLOTH COMP TOP CLOTH COMP SIDE OUT COMPRESSOR O L P GROMMET ISOLATOR NUT WASHER GASKET COVER TERMINAL NUT FLANGE ASS Y TUBE DISCHARGE ASS Y TUBE SUCTION ASS Y TUBE CAPILLARY TUBE CAPILLARY PACKED VALVE PACKED VALVE ASSY COND INSUL CABI SIDE HANDLE CABI LF COVER E PART ...

Страница 39: ...NO DB61 10151A DB93 10577A DB93 DB32 10008E DB26 10063B DB39 10062V Description CASE CONTROL ASS Y MAIN PCB ASS Y MAIN PCB ASS Y THERMISTOR TRANSFORMER POWER CORD Specification ABS ASS Y ASS Y 103AT 240 240 AC230V DC17 AC250V 7A Q TY AS07A1AE AS07B1AE AS07A2AE AS07B2AE 1 1 1 1 1 1 1 1 1 1 Remark ...

Страница 40: ... Cycle Block Diagram INDOOR UNIT OUTDOOR UNIT Heat exchanger Evaporator Gas side 3 way valve 2 way valve Liquid side Capillary tube Cooling Gas leak check point Heat exchanger Condenser Heating Capillary tube Check valve Compressor 4 way valve T T Accumulator ...

Страница 41: ...8 1 Samsung Electronics 8 PCB Diagrams 8 1 Main PCB DB93 10576A AQ07A1AE AQ07B1AE DB93 10556A AQ07A2AE AQ07B2AE ...

Страница 42: ...Samsung Electronics 8 2 PCB Diagrams Parts List No CODE NO Description Specification Q TY AQ07A1AE AQ07A2AE AQ07B1AE AQ07B2AE ...

Страница 43: ...0250A Description PCB DISPLAY LED 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 PAINT Specification FR 1 T1 6 W20 L167 LTL 30EHJ ORG GRN SY5511 YEL SM5511 GRN SO5511 ORG PNA4612M00XD CA 0A 50V 104Z RD 1 4TP 221 J YWLA200 09P CA 0A 50V 102Z UL1007 AWG 26 9 PC BLUE ...

Страница 44: ...Samsung Electronics 9 1 9 Wiring Diagrams 9 1 Indoor Unit ...

Страница 45: ...9 2 Samsung Electronics 9 2 Outdoor Unit MODEL UQ07B1AE UQ07B2AE UQ07A1AE UQ07A2AE CAPACITOR 1 5 25uF 450VAC US07 AE ...

Страница 46: ... 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 Samsung Electronics Co Ltd SyncMaster 17GLi CMG7387L Service Manual First edition June 1995 Printed in Korea Trademarks Samsung is a registered trademark and SyncMaster 17GLi CMG7387L and MacMaster Cable Adapter are trademark of Samsun...

Страница 47: ...Samsung Electronics 10 1 10 Schematic Diagrams 10 1 Indoor Unit ...

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