Daewoo AKD-0105 Series, Service Manual

Page 1: ...Series AKD 0205 Series AKD 0225 Series AKD 0235 Series 4 Channel High Power 35W x 4Ch Electronic Tuning Electronic Volume Bass Treble Balance Fader Controls CD Player with AM FM Radio Loudness Controls Detachable Face for Anti Theft DAEWOO ELECTRONICS CO LTD http svc dwe co kr Mar 2000 ...

Page 2: ... 5 4 ADJUSTMENTS 8 5 SCHEMATIC DIAGRAM 14 6 PARTS LOCATION ON P C BOARD 17 7 OVERALL EXPLODED VIEW PARTS LIST 26 8 DECK MECHANISM EXPLODED VIEW PARTS LIST 28 9 PARTS LIST 32 10 FUNCTION OF MICOM IC 34 11 IC BLOCK DIAGRAM 46 12 LIQUID CRYSTAL DISPLAY 52 13 OUTPUT CONNECTION DESCRIPTIONS 56 ...

Page 3: ...0V Rated 14 4V Usable 10 8 15 6V Negative ground Current consumption 10A Maximum Dimension W x H x D 178 x 50 x 156 mm Weight Net 1 75 kg Design and specifications are subject to changes for improvements without notice Notes on handling the optical pick up block or base unit The laser diode in the optical pick up block may suffer electrostatic breakdown because of the potential difference generate...

Page 4: ...2 LINE DRAWING 2 2 1 AKD 0105 Series Front Side AKD 0105 R RDS AKD 0115 R RDS ...

Page 5: ...LINE DRAWING 3 AKD 0205E A Non RDS BASIC AKD 0205 R RDS AKD 0225 R RDS AKD 0235 E Non RDS BASIC 2 2 AKD 0205 Series Front Side ...

Page 6: ...LINE DRAWING 2 3 AKD 0105 0205 Rear Side 4 BASIC MODEL RDS MODEL ...

Page 7: ...Change Regulator IC and check output voltage Yes No LCD or LED is inferior goods Change LCD or LED to superior goods Yes Different each channel have output level Front Rear Left Right Treble or Bass is low unusually Yes No Yes Balance of front and rear is in one side Balance of Left Right is in one side Re adjust Balance of front rear Ref Balance Center Front 00 Rear 00 Ref Balance Center Left 00 ...

Page 8: ...ther regions are not held Yes Yes No selected the local stations Ref Point or Extreme noise in broadcast Weak separation of FM stereo Yes No Yes Antenna connector is missing Put exactly antenna connector in his jack Ref CAT 6 7 etc Electrical Parts List Function of auto switch noise reduction Ref Yes Weak frequency area of FM AM Switch automatically to mono mode in weak frequency area Yes B R1 In ...

Page 9: ...tion Yes Selected MUTE function Release MUTE function Yes Mechanism is inferior goods Change Mechanism to superior goods Turn power on again after turn off Yes Inspect disc for scratches Yes No sound Yes No Yes disc was inserted upside down Insert CD with label side down Ref DWEC CD Mecha Ddcm 200 201 Ref Power Off On Hard Reset No No No Disc is dirty Wipe with cleaning cloth Yes A Ref Point Disc ...

Page 10: ...8 4 ADJUSTMENT 4 1 EQUIPMENTS CONNECTIONS ...

Page 11: ...9 ADJUSTMENTS 4 2 TUNER MODULE ADJUSTMENT LOCATIONS ...

Page 12: ...just AM RF1 and AM RF2 for maximum output Fig 7 Adjust AM RF1 and AM RF2 for maximum output Fig 7 Adjust LW OSC for 1 2 1 35V VT Fig 7 Adjust LW RF1 and LW RF2 for maximum output Fig 7 RF Tracking LW Band Covering LW Tracking 2 3 4 5 DESCRIPTION CONNECTION ANTENNA SIGNAL DIAL CONTROL ADJUSTMENT 1 Dummy Antenna Circuit 2 Location of Adjustment Points Refer to Adjustment Location Page 3 Control Sett...

Page 13: ...ET for 0V 0 03V Fig 6 Adjust RV 101 Tuner PC Board for2 7V 20mV at TP102 IC204 pin 66 Adjust MPX SEP Fig 6 for maximum separation Left and Right ch Adjust STBEND Fig 6 1dB separation between Left and Right ch Stereo Separation SRC 4 5 6 DESCRIPTION CONNECTION ANTENNA SIGNAL DIAL CONTROL ADJUSTMENT 1 Dummy Antenna Circuit 2 Location of Adjustment Points Refer to Adjustment Location Page 3 Control S...

Page 14: ...es of operation of specified device MODE DEFINITION STATUS Standard values Play ability test No 1 2 3 4 5 6 7 Loading Time Ejecting Time Access Time Disc Take up Force Disc Clamping Force Mechanical Noise 7sec 3sec 6sec 3sec 17 sec 15 sec 15 sec 5 sec Loading Eject 75dB A Play 40dB A Access 70dB A 120g 120g 80g 130g 130g If anything is not error shall not defined 90g During play in low temp 70g Du...

Page 15: ... level slowly at the frequency Ignore the sound skip at the near of resonance frequency about 100Hz In playing YEDS 10 Tr 5 shall perform with vibration No sound skipping No sound skipping in the specified range The sound skipping does not include any interpolating noise No sound skipping at the ABEX 731RA Tr No8 The sound skipping does not include any interpolating noise Except from specified ite...

Page 16: ...14 5 SCHEMATIC DIAGRAMS 5 1 BASIC Series AKD 0105A PH AKD 0205E AKD 0225E AKD 0235A Size A3 ...

Page 17: ...SCHEMATIC DIAGRAM 15 AKD 0205R AKD 0225 7 R AKD 0235 7 R 5 2 RDS Series Size A3 ...

Page 18: ...16 SCHEMATIC DIAGRAM 5 3 CDP Circuit for AKD 0105 AKD 0205 Series DCM 200 201 Size A3 ...

Page 19: ...17 6 PARTS LOCATION ON P C BOARD 6 1 PCB MAIN AKD 0105 0205 Series PARTS SIDE ...

Page 20: ...18 PARTS LOCATION ON P C BOARD BOTTOM SIDE ...

Page 21: ...19 PARTS LOCATION ON P C BOARD 6 2 PCB FRONT AKD 0105 BASIC AKD 0105A PH PARTS SIDE BOTTOM SIDE AKD 0105 BASIC AKD 0105A E PARTS SIDE BOTTOM SIDE ...

Page 22: ...20 PARTS LOCATION ON P C BOARD AKD 0115 RDS AKD 0115R PARTS SIDE BOTTOM SIDE AKD 0135 RDS AKD 0135R PARTS SIDE BOTTOM SIDE ...

Page 23: ...PARTS LOCATION ON P C BOARD 21 AKD 0205 BASIC AKD 0205E PARTS SIDE BOTTOM SIDE AKD 0205 RDS AKD 0205R PARTS SIDE BOTTOM SIDE ...

Page 24: ...PARTS LOCATION ON P C BOARD 22 AKD 0225 BASIC AKD 0225E PARTS SIDE BOTTOM SIDE AKD 0225 RDS AKD 0225R PARTS SIDE BOTTOM SIDE ...

Page 25: ...PARTS LOCATION ON P C BOARD 23 AKD 0235 BASIC AKD 0235E PARTS SIDE BOTTOM SIDE AKD 0235 RDS AKD 0235R PARTS SIDE BOTTOM SIDE ...

Page 26: ...PARTS LOCATION ON P C BOARD 24 6 3 PCB CDP DCM 200 201 PARTS SIDE ...

Page 27: ...PARTS LOCATION ON P C BOARD 25 BOTTOM SIDE ...

Page 28: ...26 7 OVERALL EXPLODED VIEW PARTS LIST 7 1 AKD 0225 BASIC RDS Size A3 ...

Page 29: ...OVERALL EXPLODED VIEW PARTS LIST 27 7 2 AKD 0235 BASIC RDS Size A3 ...

Page 30: ...8 DECK MECHANISM EXPLODED VIEW PARTS LIST 28 Size A3 ...

Page 31: ...SY CHASSIS CLAMP ASSY ROLLER CLAMP WASHER CUT D4xD1 6xT0 25 PLATE CLAMP DRIVE UNIT TOTAL ASSY DRIVE UNIT ASSY PICK UP ASSY DOP 200 GUIDE SLED SCREW 97LA202300 97LA202400 97L3101500 97LA202500 97L3003900 97LA202600 97LA302500 97L8100500 97L2702600 97L8800202 97L3101700 97LA302700 97L2702100 97L2702200 97L2702500 97L2703400 97L3101400 97L2601500 97L7102100 97L3003500 97L3101700 97LA202900 97L0602400...

Page 32: ...LER ASSY SHAFT ROLLER GEAR ROLLER BEARING ROLLER ROLLER RUBBER WASHER CUT D4xD2xT0 25 97L5200300 97L2702700 97L5200100 97L3102100 97L2301100 97L2702800 97L8100600 97L2703300 7051200511 7001200311 97L0902200 7121200411 97L8100700 97L2501500 97L3102200 97L65015BA 5S50101113 7121200411 97L2600900 7402002011 97L3004300 97LA203200 97LA303100 97L65015DA DSI2321 97L8800201 97L8800203 97P6271000 5S5010111...

Page 33: ...NSION F SPRING SUSPENSION R CHASSIS TOP TOTAL ASSY SCREW TAPTITE PAN M2x3 5 SCREW TAPTITE SPL M2x3 5 PCB TOTAL ASSY SCREW TAPTITE SPL M2x3 5 97L2702900 97L2703000 97L3101600 97L3101400 97L3701100 97L2401400 97L3101300 97L0601700 97LA202600 97L2702400 97L3101800 97LA203200 97L3101300 97LA202000 97L3101500 97LA202100 97L2300900 97L2600900 97L3101800 97LA202200 97L3101800 97LA202700 97LA202800 97L310...

Page 34: ...13158A IC CHIP CUSTOM LC72366 9419 IC302 IC204 IC CHIP EEPROM 24LC16B 1 SN IC CHIP EVR LC75371M MFP36S 124LC16BSQ IC202 1LC75371M IC301 IC REGULATOR KIA 7808P TO 220AB IC REGULATOR KIA 7809P TO 220AB IC REGULATOR KIA 78S05P AUTO LED LT6311 S4 RED WITH HOLDER R SEMI FIXED H500K 5X5 6N PC BS SW SLIDE KSA 1219B TR KTB1366Y 1K1A7808P 1K1A7809P 1Z1A78S05P DLT6311S4 RV1417504 5S30101A10 TKTB1366Y IC501 ...

Page 35: ...NJM4558M IC961 1BA6287F C 1KA9258D 1LC78621E 12BR865516 5PCSACS16R 5PCSTCC6R0 TDTA144EKB TSB1132R B TSC2412KRB TSD2153V C IC852 IC851 IC901 IC902 X901 X902 Q802 Q801 Q852 Q851 DIODE CHIP IMN10 IC DRIVER LC75853N QIP64E D1MN10 B D401 D402 IC401 1LC75853N LAMP PILOT 8V 40MA D3 2 0 08 LCD TTD 1676UNTDPW SW TACT IC 1P SKQC10918B 260G SW TACT IC 1P SKMA 10918A 260G 97T82L0D84 97T0L1180N 5S50101Z02 5S52...

Page 36: ...34 10 FUNCTION OF MICOM IC 10 1 PIN CONFIGURATION ...

Page 37: ...ILLATION INPUT RANGE INPUT TERMINAL IF AM VCO LOCAL OSCILLATION INPUT RANGE OUTPUT OF PLL LOCK UP SUB FOR SPEEDY PLL LOCK REFER TO ATTACHED PAGE ABOUT CIRCUIT USED INPUT TERMINAL OF FM IF COUNT INPUT RANGE 107MHz 30kHz Vpp INPUT TERMINAL OF AM IF COUNT INPUT RANGE 450kHz 1kHz AM 450kHz 0 37kHz LW Vpp PART THAT CHECKS DAMAGE OF BACK UP MEMORY AFTER COMING BACK TO BACK UP MODE REFER TO ATTACHED PAGE...

Page 38: ...UTPUT IS HIGH STEREO INPUT TERMINAL STARTING IS HIGH WHEN INPUT IS LOW ON AIR STEREO IS DISPLAYED SIGNAL DETECTION PORT STARTING INPUT IS HIGH INPUT IS CHANGED INTO LOW WHEN RECEIVING THE RADIO FREQUENCY MUTING WHEN CHECKING AF IN RADIO MODE LOW IN ACTIVE HIGH AND OTHERS MODES INPUT TERMINAL OF USING TELEPHONE SIGNAL STARTING IS HIGH MUTING IF ACTIVE BECOMES LOCAL MODE HIGH DX MODE LOW STARTING IS...

Page 39: ...SIGNAL OUTPUT IS HIGH AT STARTING OUTPUT IS LOW WHEN CDP EJECT KEY IS IN SIGNAL FOR CD MECHA CONTROL MICOM RESET ON OFF CONTROL SIGNAL FOR CD MECHA POWER KEY LC DRIVER IC INTERFACE PORTS I O I O O O O O O I O O O PIN 33 45 56 50 51 52 11 12 13 14 PIN NAME PP3 PM3 INT0 PL2 PL1 PL0 SI2 SO2 SCK2 PE0 DESCRIPTION POWER CONTROL PORT POWER OFF LOW POWER ON HIGH WHEN MICOM RESET OUTPUT IS HIGH LCD BACK LI...

Page 40: ...NTERFACE PORTS EVR IC INTERFACE PORTS OPTION DIODE MATRIX INPUT OPTION DIODE MATRIX OUTPUT POWER IC RELAY CONTROL OUTPUT ACC ON HIGH ACC OFF LOW DISC IN NO DISC CDC_SEL L H CDP_SEL H L CDP DISC IN CHECK INPUT SENSOR2 DISC IN HIGH NO DISC LOW LCD BACK LIGHTING COLOUR CONTROL PORT RESET COLOUR1 HIGH COLOUR2 LOW TWO KEY IN COLOUR1 COLOUR2 CHANGING INTO EACH OTHER I O I O O O O O I I I I O O O O I O O...

Page 41: ...IPTIONS SOURCE RETURN ODR 3 PA3 27PIN CLK D211 REG D210 ODST 3 PB3 23PIN ODST 2 PB2 24PIN ODST 1 PB1 25PIN ODST 0 PB0 26PIN TP FL D214 T1 2 D215 AREA 1 D217 AUTO P D218 LW ENABLE D219 AREA 2 D221 LOUD D222 SEC D223 AREA 3 D225 PLAY T D213 ODR 2 PA2 28PIN ODR 1 PA1 29PIN ODR 0 PA0 30PIN LW select D219 0 LW BAND DISABLE 1 LW BAND ENABLE CLOCK USE select D211 0 CLOCK ENABLE 1 CLOCK DISABLE LOUD LOC U...

Page 42: ...FUNCTION OF MICOM IC 40 10 3 PIN CONFIGURATION ...

Page 43: ...INAL INPUT TERMINAL IF FM VCO LOCAL OSCILLATION INPUT RANGE INPUT TERMINAL IF AM VCO LOCAL OSCILLATION INPUT RANGE OUTPUT OF PLL LOCK UP SUB FOR SPEEDY PLL LOCK REFER TO ATTACHED PAGE ABOUT CIRCUIT USED INPUT TERMINAL OF FM IF COUNT INPUT RANGE 107MHz 30kHz Vpp INPUT TERMINAL OF AM IF COUNT INPUT RANGE 450kHz 1kHz AM 450kHz 0 37kHz LW Vpp PART THAT CHECKS DAMAGE OF BACK UP MEMORY AFTER COMING BACK...

Page 44: ...EN RADIO MODE IS CHOUSED OUTPUT IS HIGH STEREO INPUT TERMINAL STARTING IS HIGH WHEN INPUT IS LOW ON AIR STEREO IS DISPLAYED SIGNAL DETECTION PORT STARTING INPUT IS HIGH INPUT IS CHANGED INTO LOW WHEN RECEIVING THE RADIO FREQUENCY MUTING WHEN CHECKING AF IN RADIO MODE LOW IN ACTIVE HIGH AND OTHERS MODES INPUT TERMINAL OF USING TELEPHONE SIGNAL STARTING IS HIGH MUTING IF ACTIVE BECOMES LOCAL MODE HI...

Page 45: ...TION SPECIFICATION CDP EJECT CONTROL SIGNAL OUTPUT IS HIGH AT STARTING OUTPUT IS LOW WHEN CDP EJECT KEY IS IN SIGNAL FOR CD MECHA CONTROL MICOM RESET ON OFF CONTROL SIGNAL FOR CD MECHA POWER KEY LC DRIVER IC INTERFACE PORTS I O I O O O O O O I O O O PIN 33 45 56 50 51 52 11 12 13 14 PIN NAME PP3 PM3 INT0 PL2 PL1 PL0 SI2 SO2 SCK2 PE0 DESCRIPTION POWER CONTROL PORT POWER OFF LOW POWER ON HIGH WHEN M...

Page 46: ...0 PD2 PD1 DESCRIPTION E2PROM INTERFACE PORTS IN OUT CLK EVR IC INTERFACE PORTS SO CLK CE OPTION DIODE MATRIX INPUT 3 2 1 0 OPTION DIODE MATRIX OUTPUT 3 2 1 0 N C POWER IC REPLAY CONTROL OUTPUT SPK MUTE ACC ON HIGH ACC OFF LOW COLOR DISC IN NO DISC CDC_SEL L H CDP_SEL H L CDP DISC IN CHECK INPUT SENSOR2 DISC IN HIGH NO DISC LOW N C I O I O O O O O I I I I O O O O I O O O O I ...

Page 47: ...IPTIONS SOURCE RETURN ODR 3 PA3 27PIN CLK D211 REG D210 ODST 3 PB3 23PIN ODST 2 PB2 24PIN ODST 1 PB1 25PIN ODST 0 PB0 26PIN TP FL D214 T1 2 D215 AREA 1 D217 AUTO P D218 LW ENABLE D219 AREA 2 D221 LOUD D222 SEC D223 AREA 3 D225 PLAY T D213 ODR 2 PA2 28PIN ODR 1 PA1 29PIN ODR 0 PA0 30PIN LW select D219 0 LW BAND DISABLE 1 LW BAND ENABLE CLOCK USE select D211 0 CLOCK ENABLE 1 CLOCK DISABLE LOUD LOC U...

Page 48: ...46 11 IC BLOCK DIAGRAM 11 1 LC75854 LC75852 IC LCD DRIVER ...

Page 49: ...47 IC BLOCK DIAGRAM 11 2 SAA6579T IC RDS DEMODULATOR SAA6579T ...

Page 50: ...IC BLOCK DIAGRAM 48 11 3 HA13158A IC AUDIO POWER ...

Page 51: ...49 IC BLOCK DIAGRAM 11 4 LC75371M IC EVR ...

Page 52: ...50 IC BLOCK DIAGRAM 11 5 24LC16B IC EEPROM ...

Page 53: ...IC BLOCK DIAGRAM 51 11 6 BA3121 IC ISOLATOR IC302 ...

Page 54: ... 6D 4 5 6 7 38 37 36 35 8 9 10 11 34 33 IC NO LCD NO COM1 COM2 COM3 COM4 17 31 32 33 34 35 36 37 38 39 40 2H 2A 1D LOC LOUD COM1 2G 2O 2F 1C 1E MO COM2 2K 2L 2N 1G 1F CH COM3 2D 2M 2E 1B 1A AUT COM4 18 19 20 21 22 40 41 42 43 IC NO LCD NO COM1 COM2 COM3 COM4 32 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 6A PTY 5B 5H 5A 4B 4H 4A 3B 3H 3A TP 2B 6O 6F 5I 5G 5O 5F 4I 4G 4O 4F 3I 3G 3O 3F 2I 6L 6N 5C...

Page 55: ...4 13 12 11 10 9 8 7 6 5 IC NO LCD NO COM1 COM2 COM3 COM4 29 31 32 33 34 35 36 37 38 39 40 5H 5A 3B 3H 3A TP LOUD LOC 1D 5G 5O 5F 3I 3G 3O 3F MO 1E 1C 5K 5L 5N 3C 3K 3L 3N CH 1F 1G 5D 5M 5E TP 3D 3M 3E AUT 1A 1B 28 27 26 25 24 23 22 21 20 IC NO LCD NO COM1 COM2 COM3 COM4 4 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 9B COM1 3 8B 8H 8A SHF 6B 6H 6A PTY 5B 9I COM2 2 8I 8G 8O 8F 6I 6G 6O 6F 5I 9C COM...

Page 56: ... 5B 6F 6A 6B 7F 7A 3E 3G 3B F2 4F 4H 4C 5E 5G 5C 6E 6G 6C 7E 7F 3D 3H 3C F3 4E 4D INTRO AUT 5D RPT 6D TRACK MUTE 7D 9 10 11 12 13 14 15 16 17 18 19 20 23 22 IC NO LCD NO COM1 COM2 COM3 21 16 17 18 19 20 21 22 23 24 25 26 7B COM1 FM LOC LOUD 2F 2A RDM 7C COM2 1 1 11 MW 1A 2E 2G 2B MO COM3 AM PM LW 1B 1C 2D 2H 2C 43 42 41 1 2 3 4 5 6 7 ...

Page 57: ...DM 3F 3A K P1 4A 4G COM2 1 1 MW 1A 2E 2G 2B 3E 3G 3B P2 4F 4H COM3 AM LW 1B 1C 2D 2H 2C 3D 3H 3C P3 4E 4D 42 41 1 3 4 5 6 7 8 9 10 11 12 13 IC NO LCD NO COM1 COM2 COM3 14 16 17 18 5A 19 20 21 6A 22 23 24 25 26 4B 5F 5B 6F 6B 7F 7A 7B 4C 5E 5G 5C 6E 6G 6C 7E 7G 7C 11 INTRO 5D RPT AUT 6D TRACK MUTE 7D MO PM 15 16 17 18 19 20 23 22 21 2 ...

Page 58: ...8 9 1 brown Telephone mute 4 yellow back up dc 12v 5 blue 12V electric antenna 6 pink Dimmer 7 red 12Vsupply from ignition lock 8 black Earth 1 violet rear right 2 violet black rear right 3 gray front right 4 gray black front right 5 white front left 6 white black front left 7 green rear left 8 green black rear left 5 Earth 6 Trip line amplifier ACC 12V 8 Line out right 10 Line out left 10A A ELEC...

Page 59: ...WOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC E mail G7F00E web dwe co kr TEL 82 2 360 7799 FAX 82 2 360 7877 edited by Mc Cem ...