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PIN

No

RF output pin.

41

RFSM

RF gain setting and EFM signal 3T compensation constant setting pin, along with the RFSM pin.

42

RFS-

Slice Level Control is an output pin that controls the data slice level used by the DSP for the
RF wave form.

43

SLC

SYMBOL

CONTENTS

Input pin used by DSP for controlling the data slice level.

44

SLI

Digital system GND pin.

45

DGND

Focus search smoothing capacitor output pin.

46

FSC

Tracking balance control, EF balance adjustment variable range setting pin.

47

TBC

No connection

48

NC

Disc defect detection output pin.

49

DEF

Reference clock input pin. 4.23 MHz signal from the DSP is input.

50

CLK

Microprocessor command clock input pin.

51

CL

Microprocessor command data input pin.

52

DAT

Microprocessor command chip enable input pin.

53

CE

RF level detection output (Detect RF)

54

DRF

Focus search select; focus search mode (+search vs. the reference voltage)
switching pin

55

FSS

Servo system and digital system VCC pin.
By-pass capacitor connection pin for reference voltage.

Reference voltage output pin.

56

VCC2

VCC1

57

REFI

58

VR

Disc defect detection time constant setting pin.

59

LF2

RF signal peak hold capacitor connection pin.

RF signal bottom hold capacitor connection pin.

60

PH1

61

BH1

APC circuit output pin.

APC circuit input pin.

62

LDD

63

LDS

RF system VCC pin.

64

Summary of Contents for AKD-80C

Page 1: ...Service Manual Car Audio COMPACT DISC CHANGER MODEL AKD 80C DAEWOO ELECTRONICS CO LTD...

Page 2: ...ON METHOD HOW TO INSTALL THE UNIT 5 4 INSTALLATION METHOD HOW TO INSTALL THE VEHICLE 6 5 PREPARATIONS 6 1 DISASSEMBLY 7 2 PICK UP MECHANISM MAGAZINE ASSEMBLY 8 3 IDENTIFICATION OF MAGAZINE 9 1 SCHEMAT...

Page 3: ...t Drain Operating Temperature Dimensions Weight Power Requirement Supplied Accessories 2 NOTES ON HANDLING THE OPTICAL PICK UP BLOCK OR BASE UNIT 1 The laser diode in the optical pick up block may suf...

Page 4: ...GENERAL DAEWOO 1 IDENTIFICATION OF PARTS 2 INSTALLATION PARTS AND SUPPLIED MOUNTING HARDWARE 3...

Page 5: ...place the installation bracket with bolt M6 x 25 to the installation bracket which is attached to the unit Then affix the cushion rubber Holes with the H marks are to be used for horizontal or suspend...

Page 6: ...etting the installation selector levers both sides left right SETTING THE INSTALLATION SELECTOR LEVERS ADJUST FOR UNIT PRIOR TO INSTALL HORIZONTAL VERTICAL DECLINING After Select Mark Hole 1 2 3 The u...

Page 7: ...has been loaded close the sliding door If not close sliding door Dirt or dust entering it will cause damage 3 TO REMOVE THE MAGAZINE Open the sliding door and depress the eject button Remove the maga...

Page 8: ...DISASSEMBLY DAEWOO 1 DISASSEMBLY 7 Size A3...

Page 9: ...DAEWOO 2 PICK UP MECHANISM MAGAZINE ASSEMBLY 8 Size A3...

Page 10: ...DAEWOO 3 IDENTIFICATION OF MAGAZINE 9...

Page 11: ...DIAGRAMS DAEWOO 1 SCHEMATIC DIAGRAM 10 Size A3...

Page 12: ...JIS A FILTER JIS A FILTER JIS A FILTER JIS A FILTER JIS A FILTER 0 3 1 3 90 90 0 07 20dB 20dB 86 76 2 7 FREQUENCY RESPONSE S N RATIO DYNAMIC RANGE T H D DE EMPHASIS CHANNEL SEPARATION OUTPUT LEVEL V B...

Page 13: ...3 MICOM PIN CONFIGURATION DESCRIPTIONS DAEWOO PIN CONFIGURATIONS LC865016B XXXX 12...

Page 14: ...I O I O I O I O SL 14 P41 I O D GND 15 P42 I O PLAY MODE L S MUTE 16 P43 I O A MUTE 17 P44 I O POWC 18 P45 I O D GND 19 P46 I O D GND 20 P47 I O SUBQ DATA SYNC DETECTOR FSEQ 21 P50 I O FOCUS OK SIGNA...

Page 15: ...RES REST PIN RES I I O CF1 53 CF1 I CF2 54 CF2 O CONNECT TO VS1 VDD VDD POWER PIN 55 VDD PULL UP 10K 56 P80 AD INPUT PORT AD INPUT PORT AD INPUT PORT AD INPUT PORT AD INPUT PORT AD INPUT PORT AD INPU...

Page 16: ...4 IC BLOCK DIAGRAM TERMINAL VOLTAGE DAEWOO IC 101 LA9240M RF ASSP AUDIO FILTER 15 1 PIN CONFIGURATION 2 BLOCK DIAGRAM...

Page 17: ...nt between the FD and FA pin Pin for configuring the focusing phase compensation constant between the FA and FE pin 17 FD 18 FA 19 FA FE signal output pin 20 FE Pin which connects the FE signal gain s...

Page 18: ...49 DEF Reference clock input pin 4 23 MHz signal from the DSP is input 50 CLK Microprocessor command clock input pin 51 CL Microprocessor command data input pin 52 DAT Microprocessor command chip enab...

Page 19: ...DAEWOO 18 IC 501 LB 1836 2CH Bidirectional Motor Driver IC 1 PIN CONFIGURATION 2 BLOCK DIAGRAM...

Page 20: ...DAEWOO IC 201 LC 78626 DSP for CDP 19 1 PIN CONFIGURATION 2 BLOCK DIAGRAM...

Page 21: ...el then phase control mode Track detect signal input Schmidt input Tracking error signal input Schmidt input Tracking off output Tracking gain switch output Gain is increased with low level Track jump...

Page 22: ...l down resistor Must be connected to 0v G1 G2 one error two error correction monitor output 7 35KHz sync signal output frequency divided from the crystal oscillator Sub code block sync signal output T...

Page 23: ...ol signal DRAM control signal Digital system ground Must be connected to 0V DRAM address bus DRAM address bus DRAM address bus DRAM address bus DRAM address bus Digital system power supply 71 72 73 74...

Page 24: ...ut Substrate ground Operational amplifier output 15 OP IN OP IN VO3 VO3 VIN3 VIN3 Vcc Vcc BIAS IN VIN4 VIN4 VO4 VO4 GND 16 17 18 19 20 21 22 23 24 25 26 27 28 1 2 3 4 5 6 7 8 9 10 11 12 PIN NAME VO1 P...

Page 25: ...DAEWOO 5 PRINTED CIRCUIT BOARDS TOP VIEW 24...

Page 26: ...DAEWOO BOTTOM VIEW 25...

Page 27: ...R 2SA1037K Q101 Q705 TR DTC143EK Q302 Q703 Q303 Q702 TR DTC143TK Q603 Q601 Q602 Q401 Q704 Q701 C137 C209 C308 C402 C713 C709 C206 C401 C706 C126 C127 C133 C619 C620 ELEC 22 16V C705 C119 C135 C707 C70...

Page 28: ...IODE DAP202K D303 D702 D703 DESCRIPTION REF NO CHIP R 10 2012 CHIP R 100 2012 CHIP R 330 2012 CHIP R 220 2012 CHIP R 680 2012 CHIP R 1 8 2012 CHIP R 2 2 2012 CHIP R 3 9 2012 CHIP R 4 7 2012 CHIP R 5 6...

Page 29: ...DAEWOO ELECTRONICS CO LTD 9 9 1 2 0...

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