Daewoo AKD-0105 Series Service Manual
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Daewoo AKD-0105 Series Service Manual

Car audio basic, rds
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Service Manual
Car Audio Basic, RDS
MODEL : AKD-0105 Series
AKD-0115 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
S/M No:AKD0105EF1
Mar. 2000

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  • Page 1 S/M No:AKD0105EF1 Service Manual Car Audio Basic, RDS MODEL : AKD-0105 Series AKD-0115 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...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. PRODUCT SPECIFICATIONS .........1 2. LINE DRAWING ...........2 3. EMERGENCY TROUBLE SHOOT ........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.

  • Page 3: Product Specifications

    1. PRODUCT SPECIFICATIONS AUDIO SECTION Maximum output power : 35watts per channel into 4 ohms. Load impedance : 4 ohms Total harmonic distortion : Less than 10% at 12 watts : 100Hz( + 3dB), 10kHz(-5 + 3dB) Frequency response : 10 + 3dB at 100Hz/10kHz Control Bass / Treble TUNER SECTION (FM) Tuning range...

  • Page 4: Line Drawing

    2. LINE DRAWING 2-1. AKD-0105 Series Front Side AKD-0105 R-RDS AKD-0115 R-RDS...
  • Page 5 LINE DRAWING 2-2. AKD-0205 Series Front Side AKD-0205E, A-Non RDS : BASIC AKD-0205 R - RDS AKD-0225 R - RDS AKD-0235 E Non RDS : BASIC...
  • Page 6 LINE DRAWING 2-3. AKD-0105/0205 Rear Side BASIC MODEL RDS MODEL...

  • Page 7: Emergency Trouble Shoot

    3. EMERGENCY TROUBLE SHOOT 3-1. General Function Put exactly output Output connector No sound from connector in. is missing speakers Change output Output connector connector to is inferior goods superior goods Change Power IC, Power IC, Output Output Socket to Socket is inferior superior goods goods...
  • Page 8 EMERGENCY TROUBLE SHOOT 3-2. Tuner Function Select exactly No selected the broadcasting Hearing noise station frequency. only Ref. CAT-6, 7 etc Change tuner Tuner Module is Electrical Parts List module to inferior goods. superior goods. Weak frequency Change to goods of Extreme noise area caused by R.D.S function.
  • Page 9 EMERGENCY TROUBLE SHOOT 3-3. CD Function Take out Disc There is Disc in Disc is not from the slot the slot inserted. Use only superior Disc is inferior No sound disc goods Insert CD with disc was inserted label side down upside down Wipe with cleaning Disc is dirty...
  • Page 10 4. ADJUSTMENT 4-1. EQUIPMENTS CONNECTIONS...

  • Page 11: Adjustments

    ADJUSTMENTS 4-2. TUNER MODULE ADJUSTMENT LOCATIONS...
  • Page 12 ADJUSTMENTS 4-3. AM (MW/LW) ADJUSTMENT METHOD 1. Dummy Antenna Circuit 2. Location of Adjustment Points Refer to Adjustment Location Page 3. Control Setting Power Switch ....ON Balance/Fader Control ...... Mech. Center Band Switch ..... AM Treble/Bass Control ......Mech. Center Other ........
  • Page 13 ADJUSTMENTS 4-4. FM ADJUSTMENT METHOD 1. Dummy Antenna Circuit 2. Location of Adjustment Points Refer to Adjustment Location Page 3. Control Setting Power Switch ....ON Balance/Fader Control ...... Mech. Center Band Switch ...... FM Treble/Bass Control ......Mech. Center Other ........
  • Page 14 ADJUSTMENTS 4-5. CDP MODE TEST & ADJUSTMENT METHOD Definition of Mechanical Mode MODE DEFINITION & STATUS - Disc haven’t been inserted or disc have been ejected. When disc shall be transported STOP MODE into the unit Mechanism shall be fixed at this mode. - Loading device can insert disc thru the slot.
  • Page 15 ADJUSTMENTS SPECIFIED VALUES, CONDITIONS CONNEC ITEMS TEST CONDITIONS, REFERENCES TION STANDARD VALUES RELIABILITY LIMITS -The G level should be upped to the sound Anti-Vibrational >1.0g/10Hz-20Hz, Z way Fig.6 skip level from the less level slowly at the Performance >2.0g/30Hz-200Hz, Z way Z way only frequency.

  • Page 16: Schematic Diagram

    Size:A3 5. SCHEMATIC DIAGRAMS 5-1. BASIC Series AKD-0105A-PH / AKD-0205E / AKD-0225E / AKD-0235A...
  • Page 17 Size:A3 SCHEMATIC DIAGRAM 5-2. RDS Series AKD-0205R / AKD-0225(7)R / AKD-0235(7)R...
  • Page 18 Size:A3 SCHEMATIC DIAGRAM 5-3. CDP Circuit for AKD-0105 / AKD-0205 Series (DCM-200 / 201)

  • Page 19: Parts Location On P.c.board

    6. PARTS LOCATION ON P.C. BOARD 6-1. PCB MAIN : AKD-0105/0205 Series PARTS SIDE...
  • Page 20 PARTS LOCATION ON P.C. BOARD BOTTOM SIDE...
  • Page 21 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 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 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 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 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 6-3. PCB CDP DCM-200/201 PARTS SIDE...
  • Page 27 PARTS LOCATION ON P.C. BOARD BOTTOM SIDE...

  • Page 28: Overall Exploded View & Parts List

    Size:A3 7. OVERALL EXPLODED VIEW & PARTS LIST 7-1. AKD-0225 BASIC & RDS...
  • Page 29 Size:A3 OVERALL EXPLODED VIEW & PARTS LIST 7-2. AKD-0235 BASIC & RDS...

  • Page 30: Deck Mechanism Exploded View & Parts List

    Size:A3 8. DECK MECHANISM EXPLODED VIEW & PARTS LIST...
  • Page 31 DCM-201 DECK MECHANISM EXPLODED VIEW & PARTS LIST SUB ASSY PARTS LIST PART NAME PART NO. Q’TY MARK CHASSIS SIDE TOTAL ASSY CHASSIS SIDE ASSY 97LA202300 LOCK PLATE R ASSY 97LA202400 WASHER CUT D4xD2xT0.25 97L3101500 MOVING PLATE R ASSY 97LA202500 SPG MOVING PLATE 97L3003900 CHASSIS GEAR TOTAL ASSY...
  • Page 32 DCM-201 DECK MECHANISM EXPLODED VIEW & PARTS LIST PART NAME PART NO. Q’TY MARK GEAR SLED SCREW 97L2702700 SLIDER RACK 97L5200300 SPG SLED INSERT 97L5200100 SCREW MACHINE PAN M1.7x3 97L3102100 HOLDER FEED MOTOR 97L2301100 GEAR CENTER 97L2702800 MOTOR FEED 97L8100600 GEAR FEED MOTOR 97L2703300 SCREW MACHINE PAN M2x5 SW...
  • Page 33 DCM-201 DECK MECHANISM EXPLODED VIEW & PARTS LIST PART NAME PART NO. Q’TY MARK GEAR RELAY 2 97L2703000 GEAR RELAY 1 97L2702900 WASHER CUT D6xD2.6xT0.25 97L3101600 WASHER CUT D4xD1.6xT0.25 97L3101400 ROLLER BUSH 97L3701100 BRACKET DOOR 97L2401400 SCREW TAPTITE SPL M2x3.5 97L3101300 DECK TOTAL ASSY PARTS LIST PART NAME...

  • Page 34: Parts List

    9. PARTS LIST CAUTION is a recommendable part for essential stock. 9-1. MAIN SECTION PART NO. DESCRIPTION L501 5LC301PA18 COIL CHOCK 37X1X5.2 300UH P EI-19MM JW089 5LL100K03K COIL INDUCTOR 100UH K 03 TB 26MM L102 5LL479K02K COIL INDUCTOR 4.7UH K 02 TA 26MM L101 5LL568K02K COIL INDUCTOR...
  • Page 35 PARTS LIST 9-2. FRONT SECTION PART NO. DESCRIPTION D401, D402 D1MN10---B DIODE CHIP IMN10 IC401 1LC75853N- IC DRIVER LC75853N QIP64E PL401, PL402, PL403 97T82L0D84 LAMP PILOT 8V 40MA D3.2 0.08 PL404, PL405, PL406 PL407, PL408, PL501 PL502, PL503, PL504 PL505, PL506, PL507 LD401 97T0L1180N TTD-1676UNTDPW...

  • Page 36: Function Of Micom Ic

    10. FUNCTION OF MICOM IC 10-1. PIN CONFIGURATION...
  • Page 37 FUNCTION OF MICOM IC 10-2. PIN DESCRIPTION PIN NAME DESCRIPTION CONNECTION TO 4.5 MHz CRYSTAL XOUT OUTPUT COMPARED WITH PHASE IF LOCAL OSCILLATION FREQUENCY IS HIGHER THAN STANDARD FREQUENCY. OUTPUT IS HIGH, IF NOT OUTPUT IS LOW, AND IF SAME OUTPUT IS HIGH-Z.
  • Page 38 FUNCTION OF MICOM IC PIN NAME DESCRIPTION TUNER MUTE PORT. WHEN TUNING, OUTPUT IS HIGH THEN MUTE IS ON. (SEEK, WHEN SD CHECK) AUDIO MUTE PORT, ACTIVE HIGH AUDIO MUTE PORT, ACTIVE LOW PN0/BEEP OUTPUT PORT OF BEEP. BEEP COMES OUT AT 2.08, OR 3.75kHz DEPENDING ON OPERATION REQUESTED BAND SELECT PORT IN TUNER MODE.
  • Page 39 FUNCTION OF MICOM IC PIN NAME DESCRIPTION POWER CONTROL PORT. POWER OFF LOW, POWER ON HIGH WHEN MICOM RESET, OUTPUT IS HIGH. (LCD BACK LIGHTING) DETACHABLE ON/OFF INPUT PORT CONTACT HIGH SEPARATE WARING LED OUTPUT PORT. 1 : 3 TO TURN ON AND OFF LED BY CYCLE OF 1 SEC. WIRELESS REMOCON DATA INPUT PORT REFER TO ATTACHED PAGE ABOUT RMC DATA FORMAT.
  • Page 40 FUNCTION OF MICOM IC PIN NAME DESCRIPTION E2PROM INTERFACE PORTS SCK1 EVR IC INTERFACE PORTS SCK0 OPTION DIODE MATRIX INPUT OPTION DIODE MATRIX OUTPUT PI1/ADI5 POWER IC RELAY CONTROL OUTPUT ACC ON : HIGH ACC OFF : LOW DISC IN NO DISC CDC_SEL CDP_SEL...
  • Page 41 FUNCTION OF MICOM IC KEY MATRIX TABLE RETURN KI 1 (52) KI 2 (53) KI 3 (54) KI 4 (55) KI 5 (56) SOURCE KS 6 (49) T. UP T. DOWN LOUD KS 5 (48) M3 (RPT) TP(TOP) AF/REG KS 4 (47) M4 (SHUF) DISP (DISC UP)
  • Page 42 FUNCTION OF MICOM IC 10-3. PIN CONFIGURATION...
  • Page 43 FUNCTION OF MICOM IC 10-4. PIN DESCRIPTION PIN NAME DESCRIPTION CONNECTION TO 4.5 MHz CRYSTAL XOUT OUTPUT COMPARED WITH PHASE IF LOCAL OSCILLATION FREQUENCY IS HIGHER THAN STANDARD FREQUENCY. OUTPUT IS HIGH, IF NOT OUTPUT IS LOW, AND IF SAME OUTPUT IS HIGH-Z.
  • Page 44 FUNCTION OF MICOM IC PIN NAME DESCRIPTION TUNER MUTE PORT. WHEN TUNING, OUTPUT IS HIGH THEN MUTE IS ON. (SEEK, WHEN SD CHECK) AUDIO MUTE PORT, ACTIVE HIGH PN0/BEEP OUTPUT PORT OF BEEP. BEEP COMES OUT AT 2.08, OR 3.75kHz DEPENDING ON OPERATION REQUESTED BAND SELECT PORT IN TUNER MODE.
  • Page 45 FUNCTION OF MICOM IC PIN NAME DESCRIPTION POWER CONTROL PORT. POWER OFF LOW, POWER ON HIGH WHEN MICOM RESET, OUTPUT IS HIGH. (LCD BACK LIGHTING) DETACHABLE ON / OFF INPUT PORT CONTACT HIGH SEPARATE WARING LED OUTPUT PORT. 1 : 3 TO TURN ON AND OFF LED BY CYCLE OF 1 SEC.
  • Page 46 FUNCTION OF MICOM IC PIN NAME DESCRIPTION E2PROM INTERFACE PORTS ,IN SCK1 EVR IC INTERFACE PORTS, SO SCK0 OPTION DIODE MATRIX INPUT 3 OPTION DIODE MATRIX OUTPUT 3 PI1/ADI5 POWER IC REPLAY CONTROL OUTPUT, SPK-MUTE ACC ON : HIGH ACC OFF : LOW COLOR DISC IN NO DISC...
  • Page 47 FUNCTION OF MICOM IC KEY MATRIX TABLE RETURN KI 1 (52) KI 2 (53) KI 3 (54) KI 4 (55) KI 5 (56) SOURCE KS 6 (49) T. UP T. DOWN LOUD KS 5 (48) M3 (RPT) TP(TOP) AF/REG KS 4 (47) M4 (SHUF) DISP (DISC UP)

  • Page 48: Ic Block Diagram

    11. IC BLOCK DIAGRAM 11-1. LC75854/LC75852 (IC LCD DRIVER)
  • Page 49 IC BLOCK DIAGRAM 11-2. SAA6579T (IC RDS DEMODULATOR) SAA6579T...
  • Page 50 IC BLOCK DIAGRAM 11-3. HA13158A (IC AUDIO POWER)
  • Page 51 IC BLOCK DIAGRAM 11-4. LC75371M (IC EVR)
  • Page 52 IC BLOCK DIAGRAM 11-5. 24LC16B (IC EEPROM)
  • Page 53 IC BLOCK DIAGRAM 11-6. BA3121 (IC ISOLATOR) : IC302...

  • Page 54: Liquid Crystal Display

    12. LIQUID CRYSTAL DISPLAY 12-1. 0135R / 0225(7)R / 0235(7)R ONLY IC NO LCD NO. COM1 COM2 COM3 COM4 (0) INTRO 9D 9E TRACK 8D 8E DOT 7D 7E DISC 6D IC NO LCD NO. COM1 COM2 COM3 COM4 IC NO LCD NO.
  • Page 55 LIQUID CRYSTAL DISPLAY 12-2. 0105R / 0115R / 0205R ONLY IC NO LCD NO. COM1 COM2 COM3 COM4 7D DOT 9E IC NO LCD NO. COM1 --- COM1 (3) COM2 --- COM2 --- COM3 --- COM3 COM4 INTRO COM4 (0) TRACK 8D 8E DISC 6D IC NO LCD NO.
  • Page 56 LIQUID CRYSTAL DISPLAY 12-3. 0105A ONLY IC NO LCD NO. COM1 COM2 COM3 4D INTRO AUT 5D RPT 6D TRACK MUTE 7D IC NO LCD NO. COM1 COM1 FM LOC LOUD 2F 2A RDM COM2 --- COM2 --- 1(1) COM3 MO COM3 --- LW 1B,1C 2D...
  • Page 57 LIQUID CRYSTAL DISPLAY 12-4. 0225E ONLY IC NO LCD NO. COM1 --- COM1 FM LOC LOUD 2F 2A RDM 3F COM2 --- COM2 --- 1(1) MW COM3 COM3 --- LW 1B,1C 2D IC NO LCD NO. COM1 COM2 COM3 INTRO 5D RPT AUT 6D TRACK MUTE 7D...

  • Page 58: Output Connection Descriptions

    13. OUTPUT CONNECTOR DESCRIPTIONS 18PIN CONNECTOR 1 FRONT R-CH SP (+) REAR R-CH SP (-) REAR R-CH SP (+) NO CONNECTION ILLUMINATION (+) AUTO ANT. B+ ACC. B (+) NO CONNECTION BACK UP B+ GROUND NO CONNECTION NO CONNECTION REAR L-CH SP (+) NO CONNECTION FRONT L-CH SP (+) REAR L-CH SP (-)
  • Page 59 DAEWOO 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 Mc. Cem edited by...

This manual is also suitable for:

Akd-0205 seriesAkd-0115 seriesAkd-0225 seriesAkd-0235 series

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