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Daewoo DWC-121R service manual Oscillation2, Description

Models: DWC-121R

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Oscillation(2)

MICOM 2

8 MHz

DESCRIPTION

Oscillatory Frequency drive Micom, it is made up 8MHz resonator oscillatory Freqency. Ocillatory wave is as following Fig 2-1.

VDD-10%

VSS+10%

Fig 2-1

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Daewoo DWC-121R service manual Oscillation2, Description

Contents

DWB-123R / DWA-150R DWA-151R / DWA-152R Window Type Room Air ConditionerModel DWC-121R / DWC-124R DWA-122R / DWA-124R DWB-122R / DWB-124R DWA-121R / DWB-121RCONTENTS ContentsDWC-121R 1. SPECIFICATIONSDWA-124R, DWB-124R, DWC-124R, DWA-152R MODELPART NAME 2. OPERATION1PARTS OF NAME AND FUNCTION PART NAMEPART NAME DW*-124R/DWA-152R NOTE * A or B or CPART NAME TEMPERATURE 2REMOTE CONTROLLERREMOCON SIGNAL TRANSMITTER TIMER/CANCEL pushed, timer is canceledREMOCON SIGNAL RECEIVER 3REMOTE CONTROLLER DISPLAYSELECT ONE ALTERNATIVE PAGE 6 or PAGE TEMP./TIMER DISPLAYPOWER ON/OFF SWITCH TEMP./TIMER DISPLAYREMOTE SIGNAL RECEIVER TEMPERATURE SET TimerReplacing Batteries 4DESCRIPTION OF FUNCTIONS OFF-TimerON-Timer Control of Room TemperatureMode I L1 3min. Time Delay of CompressorFan Speed Sleep ModeAuto Swing Turbo ModePowerful CoolingSelf-DiagnosticFunction 3103529000 3. WIRING DIAGRAMAccumulator 4. REFRIGERANT CYCLECapillary tube Evaporator Blower fan5. CONTROL BLOCK DIAGRAM 6. CIRCUIT DIAGRAM SPEC Part ListMAIN PCB ASS’Y3104302300 PART NAMESPEC Front PCB ASS’Y3104302400Remocon ASS’Y3108402900 PART NAME1Error Code 1Er 7. TROUBLE SHOOTINGUnit Not Run Self-DiagnosticFunctionOnly Compressor Do not Run PCB DRIVING DESCRIPTION DESCRIPTION Power Supply1DESCRIPTION Oscillation2DESCRIPTION Sensor3MICOM Fig BIT STRUCTURE Remote Controller4DESCRIPTION Vcc 5V C10 100∝ F/16V C9 Micom Power Supply5DESCRIPTION 28 MICOMDESCRIPTION Reset64.2V DELAY TIME FOR POWER ON H L POWER ON RESET˚F/ ˚C Function Selecting7DESCRIPTION TEST8.KEY COMPONENTS OF ELECTRONIC CIRCUIT SCHEMATIC DIAGRAM1IC3 MICOM 2 U2 TD62783APKID65004AP 3 U2TD62004AP DARLINGTON ARRAYS4 U7 7805CT VOLTAGE REGULATOR 5VDC 5 U6 7812ACT VOLTAGE REGULATOR 12VDC9. DISASSEMBLY INSTRUCTIONS 1.Pull the Air-filterout of the Front Grille 3. Disassemble Frame Grille from Chassis NOTE →A or B or C DWC-121R124R,DWA-150R,DWA-151R152RPARTS LIST10.EXPLODED DIAGRAM AND PARTS LIST SPECIFICATIONCOMPONENTS SPECIFICATIONNOTE →A or B or C CODECOMPONENTS SPECIFICATIONNOTE →A or B or C CODEPage 151R DWA-151REXPLODED DIAGRAM Page Page TEL: 02 360-7114/590-6151~5 S/M NO. DWC121R040CABLE “DAEWOOELEC” FAX