Daewoo AKF-0305 Series Service Manual Download Page 24

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9-1. MAIN SECTION

DESCRIPTION

1SAA6579T-

IC101

IC DRIVER LB1641

1LB1641---

IC301

IC ISOLATION BA-3121 (When it is CD Changer)

1BA3121---

IC302

1LC75372E-

IC304

IC AUDIO POWER HA13158A

1HA13158A-

IC305

IC REGULATOR KIA 7808P TO-220AB

1K1A7808P-

IC306

IC CHIP CUSTOM LC72366-9433, W/RDS Version

LC72362-9443, W/O RDS Version

1LC72366--

1LC72362--

IC401

IC CHIP EEPROM 24LC16B-1/SN

124LC16BSQ

IC402

IC REGULATOR KIA78S05P AUTO

1Z1A78S05P

IC403

JACK ANT ANT. J-020-03

97T6366900

J101

LED LT6311-S4 RED WITH HOLDER

DLT6311S4-

LD101

COIL CHOKE 37 x 1 x 5.2 300UH P EI-19MM

5LC301PA18

L301

R SEMI FIXED H500K-5 x 5-6N-PC-BS

RV1417504-

RV108

TUNER MODULE CET-6048 FM/MW/LW

OIRT BAND

TUNER FM 1-CHIP AS CAT-7-NC

97T7609100

PNFCMBJV00

TU001

WIRE LEAD AWG26 7/0. 16 RD 10-100-10

W144RD1017

W01, W13

CRYSTAL QUARTZ HC-49/S 4.332MHZ 25PPM

5XJZ4R332D

CT102

CRYSTAL QUARTZ HC-49/S 4.5MHZ 30PPM

5XJZ4R500E

CT401

DIODE ZENER MTZ-10V 26MM TAPPING

DKTZ10B---

D102

DIODE ZENER MTZ-9.1V AUTO 26MM

OIRT BAND

DKTZ9R1B--

DKTZ5R1B--

D104, D403

DIODE KN4004A AUTO 26MM

D301, D307, D308

D309, D310

DIODE ZENER MTZ-9.1V AUTO 26MM

DIODE ZENER MTZ-6.8V AUTO 26MM

DKTZ9R1B--

D302, D305

DKTZ6R8B--

D303

DIODE 1SS133 AUTO 26MM

DKSS133---

D304, D306, D313

D401, D404, D405

D409, D410, D411

D413, D416, D419

D420, D421, D422

D423, D424, D426

D427

DIODE ZENER MTZ-5.6V AUTO 26MM

DIODE ZENER MTZ-6.2V AUTO 26MM

DKTZ5R6B--

D402

DKTZ6R2B--

D417

DIODE KN4148 AUTO 26MM

DKN4148---

D418, D429

COIL INDUCTOR 0.56UH K 02 TA 26MM

Option

5LL568K02K

L101

TR KRC102M (KEC)

TZRC102M--

Q101, Q106, Q109

Q302, Q305, Q307

Q311, Q314

TR KTC-3199Y TAPPING

TZTC3199Y-

Q102, Q103, Q304

Q401, Q402

Ref

PART NO.

IC AUDIO SAA6579T (RDS Demodulator)

IC CHIP EVR LC75372E MFP36S

DIODE ZENER MTZ-5.1V AUTO 26MM

DKN4004A--

9. PARTS LIST

CAUTION

is a recommendable part for essential stock.

Summary of Contents for AKF-0305 Series

Page 1: ... AKF 0315 Series DAEWOO ELECTRONICS CO LTD http svc dwe co kr Mar 2000 4 Channel High Power 35W x 4Ch Electronic Tuning Electronic Volume Bass Treble Balance Fader Controls Auto Memory Preset Scan Repeat Random Intro Scan Loudness Controls Local DX Switch Detachable Face for Anti Theft ...

Page 2: ... 5 4 ADJUSTMENTS 9 5 SCHEMATIC DIAGRAM 14 6 PARTS LOCATION ON P C BOARD 17 7 OVERALL EXPLODED VIEW PARTS LIST 23 8 DECK MECHANISM EXPLODED VIEW PARTS LIST 25 9 PARTS LIST 28 10 FUNCTION OF MICOM IC 30 11 IC BLOCK DIAGRAM 39 12 LIQUID CRYSTAL DISPLAY 46 13 OUTPUT CONNECTION DESCRIPTIONS 48 ...

Page 3: ...LH tape 63Hz to 10kHz TUNER SECTION FM Tuning range 87 5 to 108MHz 87 5 to 107 9 at U S A Usable Sensitivity MONO 12dBuV 4uV 75ohms Signal to noise ratio at 60dBu More than 50dB MW Tuning range 522 to 1620kHz at Europe 530 to 1710kHz at U S A Usable Sensitivity 30dBuV LW Tuning range 144 to 288kHz Usable Sensitivity 40dBuV GENERAL Power requirements DC 12 0V Rated 14 4V Usable 10 8 15 6V Negative ...

Page 4: ...2 2 LINE DRAWING 2 1 AKF 0305 Front Side BASIC RDS ...

Page 5: ...3 LINE DRAWING 2 2 AKF 0315 Front Side BASIC RDS ...

Page 6: ...4 LINE DRAWING 2 3 REAR SIDE BASIC MODEL RDS MODEL RDS CD CHANGER 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: ...ods Yes A A Sound is low or not clear Yes Yes Head is dirty Ref Point Clean head or pinch roller with cleaner Tape is not inserted into the slot Some program is played back repeatedly Yes No Yes Tape was inserted right side left Tape is ejected after being inserted Insert recording part to right side Ref Tape Deck Macha ADM 21 22 Ref Tape is cut or extended Ref Check on L C D and press RPT button ...

Page 10: ...ion Yes Selected MUTE function Release MUTE function Yes Mechanism is inferior goods Change Mechanism to superior goods Yes Inspect disc for scratches Yes No sound Yes No Yes Indoor degree is so cold 8Pin connector is missing Turn power on and stand by for about 1 hour Ref protective function is started caused by inside degree is extreme Ref DWEC CD C series AKD 60 70 80 100C Ref DWEC CD C series ...

Page 11: ...4 ADJUSTMENTS 9 4 1 EQUIPMENTS CONNECTIONS ...

Page 12: ...ADJUSTMENTS 4 2 TUNER MODULE ADJUSTMENT LOCATIONS 10 ...

Page 13: ...ut 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 Setting Power Switch ON Balance Fader Contr...

Page 14: ...0V 0 03V Fig 7 Adjust RV 108 Page7 Tuner PC Board for2 7V 20mV at TP102 IC401 pin 66 Adjust MPX SEP Fig 7 for maximum separation Left and Right ch Adjust Stereo Blend Fig 7 1dB separation between Left and Right ch Stereo Separation SNC 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 Cont...

Page 15: ...d 1 For Signal Generator with readings in EMF Open type add 12dB 6dB for the Dummy and 6dB for EMF reading 2 For Signal Generator with reading in dBm add 6 dB for Dummy STEP 1 Head azimuth adjustment Tape Speed Figure 6 Figure 6 MTT 114N or equivalent MTT 114N or equivalent Speaker Output Speaker Output Head azimuth adjustment screw Turn the azimuth screw to obtain maximum level Adjust for 3010 30...

Page 16: ...14 5 SCHEMATIC DIAGRAMS 5 1 BASIC Series AKF 0305 AKF 0315 Size A3 ...

Page 17: ...15 5 2 RDS Series AKF 0305 AKF 0315 SCHEMATIC DIAGRAM Size A3 ...

Page 18: ...16 5 3 OIRT Series AKF 0305 AKF 0315 SCHEMATIC DIAGRAM Size A3 ...

Page 19: ...23 7 OVERALL EXPLODED VIEW PARTS LIST 7 1 AKF 0305 Basic RDS Size A3 ...

Page 20: ...7 2 AKF 0315 Basic RDS 24 OVERALL EXPLODED VIEW PARTS LIST Size A3 ...

Page 21: ...8 1 EXPLODED VIEW ADM 21 25 8 DECK MECHANISM EXPLODED VIEW PARTS LIST ...

Page 22: ...S ARM TAPE CATCH B SPRING TAPE CATCH ARM PULLEY IDLE SPRING TU ARM GEAR TU REEL SPINDLE FELT REEL GEAR REEL SPRING REEL WASHER REEL BUSHING REEL SPRING REEL CAP CAP REEL ARM DETECT GEAR GEAR DETECT DESCRIPTION ADM 22 FULL LOGIC DECK ADM 22 FULL LOGIC DECK SUS 304 1 2H T0 4 EGSAFC45R T0 8 EGSAFC45R T0 8 EGSAFC45R T0 8 HEAD FPC ET T0 2 ADM 22 FULL LOGIC DECK SWP B PI0 65 TORS ADM 22 FULL LOGIC DECK ...

Page 23: ...HOLDER HOOK TAPE HANGER CASSETTE BRACKET PCB PCB EQ AS STOPPER REV PLT B SCREW MACHINE SCREW TAPTITE SCREW TAPTITE SCREW TAPTITE SCREW TAPTITE SCREW TAPTITE POLYSLIDER WASHER POLYSLIDER WASHER POLYSLIDER WASHER POLYSLIDER WASHER POLYSLIDER WASHER DESCRIPTION ALS T0 05 PI15 8 SWP B PI0 4 AWP B PI0 4 EXTN EGSAFC45R T0 8 SMF5030 SUS 304WPB PI0 25 EXTN SUS 304WPB PI0 25 EXTN POM DURACON M90 44 BK GNP ...

Page 24: ...C 49 S 4 332MHZ 25PPM 5XJZ4R332D CT102 CRYSTAL QUARTZ HC 49 S 4 5MHZ 30PPM 5XJZ4R500E CT401 DIODE ZENER MTZ 10V 26MM TAPPING DKTZ10B D102 D102 DIODE ZENER MTZ 9 1V AUTO 26MM OIRT BAND DKTZ9R1B DKTZ5R1B D104 D403 DIODE KN4004A AUTO 26MM D301 D307 D308 D309 D310 DIODE ZENER MTZ 9 1V AUTO 26MM DIODE ZENER MTZ 6 8V AUTO 26MM DKTZ9R1B D302 D305 DKTZ6R8B D303 DIODE 1SS133 AUTO 26MM DKSS133 D304 D306 D31...

Page 25: ...A101M Q301 TZ2SB1240R Q303 TZTA1273Y TZTA1267Y Q306 Q315 Q310 IC DRIVER LC75854E QIP64E with RDS Version 1LC75854E IC501 LC75852 W O RDS Version 1LC75852 LCD TTD 1464UPTDPN with RDS Version 97T0L1160P LCD TTD 1869UPTDPN W O RDS Version 97T0L1320P PL01 PL05 LAMP PILOT 8V 60MA D3 2 0 08 SW TACT 1C 1P SKQC10918B 260G SW TACT 1C 1P KPT 1107BC 200G 97T82L0D86 5S50101Z02 SW01 DIODE CHIP 1MN10 5S51120CK1...

Page 26: ...30 10 FUNCTION OF MICOM IC 10 1 PIN CONFIGURATION TOP VIEW RDS MODEL ONLY ...

Page 27: ...Outputs the pll lock up signal to lock up the pll frequency in high speed FM IF COUNT INPUT INPUT RANGE 10 7MHz 30kHz Vpp 0 07 1 5Vrms AM IF COUNT INPUT INPUT RANGE 450kHz 1kHz AM 450kHz 0 37kHz LW Vpp 0 07 1 5Vrms To check if the memory state is normal on the back up mode The application circuit is illustrated on the note of back pages To check if it is back up mode LOW or normal operation state ...

Page 28: ...NTERFACE PORTS OPTION DIODE MATRIX INPUT OPTION DIODE MATRIX OUTPUT RDS DATA MEMORY EEPROM CONTROL PORT MULTI PATH INPUT PORT INPUT RANGE 0 6 0 9V LCD BACK LIGHTING COLOR CONTROL PORT RESET COLOR LOW TWO KEY IN COLOR CHANGE DECK EQ IC MUTE ADJUST PORT PK3 PK2 INT1 PE3 SI2 PE2 SO2 PE1 SCK2 PE0 PC1 PO0 PO2 PO1 PA3 PA2 PA1 PA0 PB3 PB2 PB1 PB0 PF3 PF2 PF1 PF3 PP1 DESCRIPTION I O O O I I I I O O O O O ...

Page 29: ... RETURN ODR 3 PA3 27PIN DOUBLE 2 D405 ODST 3 PB3 23PIN ODST 2 PB2 24PIN ODST 1 PB1 25PIN ODST 0 PB0 26PIN LOUD LOC D408 TUNER 1 2 D409 AREA 2 D410 LW ENABLE D411 AREA 3 D413 CDC AUX IN D414 DOUBLE 1 D415 CLOCK D406 AREA 1 D407 ODR 2 PA2 28PIN ODR 1 PA1 29PIN ODR 0 PA0 30PIN LW select D411 0 LW BAND DISABLE 1 LW BAND ENABLE CLOCK USE select D406 0 CLOCK ENABLE 1 CLOCK DISABLE LOUD LOC USE select D4...

Page 30: ...34 FUNCTION OF MICOM IC 10 3 PIN CONFIGURATION TOP VIEW NON RDS MODEL ONLY ...

Page 31: ...tputs the pll lock up signal to lock up the pll frequency in high speed FM IF COUNT INPUT INPUT RANGE 10 7MHz 30kHz Vpp 0 07 1 5Vrms AM IF COUNT INPUT INPUT RANGE 450kHz 1kHz AM 450kHz 0 37kHz LW Vpp 0 07 1 5Vrms To check if the memory state is normal on the back up mode The application circuit is illustrated on the note of back pages To check if it is back up mode LOW or normal operation state HI...

Page 32: ...IX INPUT OPTION DIODE MATRIX OUTPUT SECURITY MEMORY EEPROM CONTROL PORT REMOCON INPUT PORT LCD BACK LIGHTING COLOR CONTROL PORT RESET COLOR LOW TWO KEY IN COLOR CHANGE DECK EQ IC MUTE ADJUST PORT PE3 SI2 PE2 SO2 PE1 SCK2 PE0 PC1 PO0 PO2 PO1 PA3 PA2 PA1 PA0 PB3 PB2 PB1 PB0 PF3 PF2 PF1 PF3 ADI3 PP1 DESCRIPTION I O O O I O O O O O O O I I I I O O O O I O O I O MTR_ON MTR_FF PLAY HIGH LOW FF REW HIGH ...

Page 33: ...RN ODR 3 PA3 27PIN DOUBLE 2 D405 ODST 3 PB3 23PIN ODST 2 PB2 24PIN ODST 1 PB1 25PIN ODST 0 PB0 26PIN TUNER 1 2 D409 AREA 2 D410 LW ENABLE D411 AREA 3 D413 CDC AUX IN D414 DOUBLE 1 D415 CLOCK D406 AREA 1 D407 ODR 2 PA2 28PIN ODR 1 PA1 29PIN ODR 0 PA0 30PIN LW select D411 0 LW BAND DISABLE 1 LW BAND ENABLE CLOCK USE select D406 0 CLOCK ENABLE 1 CLOCK DISABLE LOUD LOC USE select D408 0 LOUD LOCAL KEY...

Page 34: ...38 FUNCTION OF MICOM IC DIODE AREA AREA1 D407 AREA2 D410 AREA3 D416 EUROPE CHINA USA1 USA2 Australia Middle East OIRT 1 0 0 1 0 0 1 0 0 0 1 1 1 1 0 0 0 1 AREA 1 2 3 ...

Page 35: ...39 11 IC BLOCK DIAGRAM 11 1 LC75854 LC75852 IC LCD DRIVER IC501 ...

Page 36: ...40 IC BLOCK DIAGRAM 11 2 SAA6579T IC AUDIO IC101 ...

Page 37: ...41 IC BLOCK DIAGRAM 11 3 HA13158A IC AUDIO POWER IC305 ...

Page 38: ...IC BLOCK DIAGRAM 42 11 4 LC75371M IC EVR ...

Page 39: ...IC BLOCK DIAGRAM 43 11 5 24LC16B IC EEPROM IC402 ...

Page 40: ...IC BLOCK DIAGRAM 44 11 6 BA3121 IC ISOLATOR IC302 ...

Page 41: ...IC BLOCK DIAGRAM 45 11 7 LB1641 DRIVER IC301 ...

Page 42: ...4 5 7 39 38 37 36 35 34 33 30 34 32 29 IC NO LCD NO COM1 COM2 COM3 COM4 13 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 12 11 10 9 8 40 41 42 43 IC NO LCD NO COM1 COM2 COM3 COM4 28 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 TA 2B 6O 6F 5I 5G 5O 5F 4I 4G 4O 4F 3I 3G 3O 3F 2I 6L 6N 5C 5K...

Page 43: ... 3C 3E 4F 4E 4D 4H 5F 2 3 4 5 6 7 8 9 10 13 14 15 16 17 IC NO LCD NO COM1 COM2 18 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 5G 5C 5B 6A 6G 6C 6B 7A 7F 7G 7C 7B 8A 8G 8C 8B 5E 5D 5H 6F 6E 6D 6H 7E 7D P 8F 8E 8D 19 20 21 22 23 24 25 26 27 28 29 30 31 32 IC NO LCD NO COM1 COM2 33 31 32 33 34 35 36 37 38 39 40 9A 9G 9C 9B CH INT TAPE IN AMS DOLBY COM1 9F 9E 9D CH RPT MTL COM2 34 35 36 37 38 39 40 4...

Page 44: ... R CH SP REAR R CH SP ILLUMINATION AUTO ANT B NO CONNECTION GROUND NO CONNECTION NO CONNECTION REAR L CH SP FRONT L CH SP REAR R CH SP ILLUMINATION ACC B BACK UP B NO CONNECTION REAR L CH SP FRONT L CH SP FRONT R CH SP 10 11 12 13 14 15 16 17 18 2 3 4 5 6 7 8 9 4 yellow back up dc 12v 5 blue remote dc 12v power ant 6 Dimmer option 7 red power supply 8 black ground 1 vilot rear right 2 vilot black ...

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