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S/M No : ACP0208EF0
Service Manual
Car Audio
MODEL : ACP-0208/0218 Series
0206Series 5020Series 5025Series
ACP-0206A CDP-0206R CDP-0205A
ACP-5020RDS ACP-5025RDS
ACP-5020RC ACP-5025RC
ACP-5020C ACP-5025C
ACP-5020 ACP-5025
4-Channel high Power (40W x 4Ch)
Electronic Tuning
Electronic Volume/Bass/Treble/Balance/Fader
Control
42 Memory Capability (18FM+12MW+12LW)
Local/DX Switch
Loudness & Mute Control
Compact Disc Player
Flip-Down Detachable Face for Anti-Theft
10 CD-changer control(Option)
Telephone Mute Control
DAEWOO ELECTRONICS CO., LTD
http://svc.dwe.co.kr Mar. 2001
TABLE OF CONTENTS
1. PRODUCT SPECIFICATIONS ..................................................1
2. LINE DRAWING ........................................................................2
3. EMERGENCY TROUBLE SHOOT ............................................3
4. ADJUSTMENTS ........................................................................6
5. SCHEMATIC DIAGRAM ..........................................................11
6. PARTS LOCATION ON P.C.BOARD ......................................12
7. OVERALL EXPLODED VIEW & PARTS LIST .......................16
8. DECK MECHANISM EXPLODED VIEW & PARTS LIST ......17
9. ELECTRICAL PARTS LIST..........................................21
10. FUNCTION OF MICOMIC.....................................................27
11. IC BLOCK DIAGRAM ..........................................................33
12. LIQUID CRYSTAL DISPLAY ..................................................37
13. OUTPUT CONNECTION DESCRIPTIONS ............................38
1. PRODUCT SPECIFICATIONS
AUDIO SECTION
Maximum output power : 40watts per channel into 4 ohms.
Load impedance : 4 ohms or 8 ohms
Total harmonic distortion : Less than 10% at 12 watts
Frequency response : 100Hz( + 3dB), 10kHz(-5 + 3dB)
Control Bass/Treble : 10 + 3dB at 100Hz/10kHz
CD PLAYER SECTION
System : 2-track / 2-channel system
Total harmonic distortion : 0.35%max. (WRMS)
Signal to noise ratio(network) : 63Hz ~ 10kHz (+3dB) normal (LH)tape
Wow and flutter Below measurable limit
Laser Diode Properties : Meterial
Ga AIAS
Wave length
760-800 mm
Emission Duration
Continuous
Laser out-put Power
Less than 44.6 W
TUNER SECTION
(FM) Tuning range : 87.5 to 108MHz
Sensitivity : 10dBuV
Stereo separation : 30dB
Signal to noise ratio : 55dB
Frequency range : 87.5 ~ 108MH
: 522 to 1620KHz at Europe
(MW) Tuning range : 530 to 1710kHz at U.S.A
Sensitivity : 28dBuV
Signal to noise ratio : 50dB
Frequency range : 522 ~ 1620KHz
Channel space : 9KHz (or 10KHz at U.S.A)
(LW) Tuning range : 144 to 288KHz
Usable Sensitivity : 40dBuV
GENERAL
Power requirements : DC 13.8V (10.8 ~15.6V allowable)
Negative ground
Spdaker impedance : 4 or 8 ohm
Output power : Maximum 40Wx4Ch.
Current consumption : 10A
Dimension (W x H x D) : 178 x 50 x 156 mm
Chassis size : 195 x 64 x 14.6 mm
Weight(Net) : 1.4Kg
Design and specifications are subject to changes for improvements without notice.
1
2. LINE DRAWING
2-1. FRONT SIDE
ACP-0208/0218 RDS Series
- RDS Function
- Compact Disc Player
- 4-Channel high Power (40W x 4Ch)
- Electronic Tuning
- Electronic Volume /Bass /Treble /Balance
/Fader Control
- 42 Memory Capability (18FM+12MW+12LW)
- Local/DX Switch
- Loudness & Mute Control
- Logic cassette Player
- Flip-Down Detachable Face for Anti-Theft
- 10 CD-changer control Multicolor Graphic Display : ACP-5020RDS, 5020RC
Non MCGD : ACP-5025RDS, 5025RC
- Telephone Mute Control
ACP-0208/0218 BASIC Series (Non RDS Function)
- Basic Function
- Compact Disc Player
- 4-Channel high Power (40W x 4Ch)
- Electronic Tuning
- Electronic Volume /Bass /Treble /Balance
/Fader Control
- 42 Memory Capability (18FM+12MW+12LW)
- Local/DX Switch
- Loudness & Mute Control
- Logic cassette Player
- Flip-Down Detachable Face for Anti-Theft
Multicolor Graphic Display : ACP-5020C, 5020 * CDP-0206R * ACP-0206A
- 10 CD-changer control
Non MCGD : ACP-5025C, 5025 * CDP-0205A
- Telephone Mute Control
2-2. REAR SIDE
2
3. EMERGENCY TROUBLE SHOOT
3-1. General Function
Yes Output connector Yes Put exactly output
No sound from is missing connector in.
speakers
A No
Output connector Yes
Change output
connector to
is inferior goods superior goods
No
Power IC, Output Yes
Change Power IC,
Socket is inferior Output Socket to
goods superior goods
Yes Balance of front Yes Re-adjust Balance Ref. Balance = Center
Different each and rear is in one of front, rear Front / Rear
channel have side
output level No
(Front, Rear,
Left, Right) Ref. Balance = Center
Balance of Left, Yes Re-adjust Balance
Right is in one Left / Right
of Left, Right
side.
Treble or Bass Yes Balance of Treble Ref. Balance = Center
Yes Re-adjust Balance
is low or Bass is in one of Treble or Bass
Treble / Bass
unusually side.
Yes Power is not Yes
supplied Return to A
No
L.C.D or Lamp
Output voltage of Yes Change Regulator Ref. Regulator IC output
is not turned IC and check Voltage = V
off. power IC is little. output voltage.
No
Change LCD or Ref. Electrical Parts List
LCD or Lamp is Yes
Lamp to superior L.C.D., Lamp
inferior goods. goods.
3
EMERGENCY TROUBLE SHOOT
3-2. Tuner Function
Yes No selected the Yes Select exactly
Hearing noise broadcasting
station frequency.
only
A No
Tuner Module is Yes
Change tuner Ref. CAT-7 or 6
module to Adjustments/Tuner
inferior goods. superior goods.
Yes Weak frequency Yes Change to goods of
Extreme noise area caused by R.D.S function.
in broadcast elevations
B
No
Antenna Yes Put exactly
connector is antenna connector
missing in his jack
Weak Yes Weak frequency Yes Switch Ref. Function of auto-
separation of automatically to switch noise
area of FM, MW mono mode in reduction
FM stereo weak frequency
area
Yes No selected the Yes
Station in
local stations. Return to A or B
other regions
are not held.
R1 In case of located Glass Antenna, check if heat wire is cut or not in rear window.
R2 Check Antenna connector part.
4
EMERGENCY TROUBLE SHOOT
3-3. CD Function
Yes There is Disc in Yes Take out Disc
Disc is not the slot from the slot
inserted.
Yes Disc is inferior Yes Use only superior
No sound goods disc
A
No
disc was inserted Yes Insert CD with
upside down label side down
No
Disc is dirty Yes Wipe with cleaning
cloth
No
Selected PAUSE Yes Release PAUSE
function function
No
Selected MUTE Yes Release MUTE
function function
No
Mechanism is Yes Change Ref. DWEC CD Mecha
Mechanism to DCM-200/201
inferior goods superior goods
Selection time
Yes Inspect disc for Yes
is longer than scratches. Ref. Point A
unusually
Disc is stopped Yes It is normal for Yes Turn power on Ref. Power Off/On
under eject CD-Deck or the again after turn off. Hard Reset
slot
5
4. ADJUSTMENTS
4-1. TUNER MODULE ADJUSTMENT LOCATIONS
CAT-7 (3 Band)
CAT-6 (2 Band)
6
ADJUSTMENTS
4-2. MW / LW ADJUSTMENT METHOD
TEST SSG
STEP ALIGNMENT TUNING ALIGNMENT INDICATOR
POSITION FREQUENCY
Band Covering 522 KHz 522 KHz AMOSC MAXIMUM
V.T point of
Range
AM Board
1620 KHz 1620 KHz - 7.6V
MW IF 522 KHz Output 450 KHz AMIF MAXIMUM
603 KHz Output 603 KHz AMRF1 MAXIMUM
TRACKING AMRF2
1404 KHz 1404 KHz AMRF1 MAXIMUM
Output
AMRF2
Band Covering
144 KHz - 144 KHz LWOSC MAXIMUM
Range
LW
LMRF1
TRACKING 220 KHz Output 220 KHz MAXIMUM
LMRF2
7
ADJUSTMENTS
4-3. FM ADJUSTMENT METHOD
FEED SIGNAL MEASURE ADJUST
STEP SUBJECT ADJUSTMENT
FROM TO OUTPUT POINT
98.1 MHz, ANT
input 60dBu, 1kHz ANT jack The voltage Adjust for 0V
1 IF adjust FM DET
(30% MOD) FM and GND between CW03 0.05V
SSG
98.1 MHz, ANT
MPX IC input 40dBu, 1kHz ANT jack L or R CH SP.
ST L, R separation
2 Separation (L+R=45% output wire
and GND BLEND 8dB
Control L-R=45% VTVM and Scope
PILOT=10% MOD)
8
ADJUSTMENTS
4-4. CDP MODE TEST & ADJUSTMENT METHOD
Definition of Mechanical Mode
No MODE DEFINITION & STATUS
- Disc haven't been inserted or disc have been ejected. When disc shall be transported
1 STOP MODE
into the unit
Mechanism shall be fixed at this mode.
- Loading device can insert disc thru the slot.
- Floating device being locked.
LOADING - Disc have been inserted thru the slot in front of unit. It is transient state between STOP
2
MODE mode and PLAY mode.
- If disc should be inserted at the state of POWER ON, disc shall be loaded by a series of
operation of specified device.
3 PLAY MODE - After disc have being clamped on the turn-table, disc shall be rotated.
- Disc shall be played.
- Floating device being unlocked.
4 EJECT - Disc is to be ejected at this mode. It is transient state between PLAY mode and STOP
MODE mode.
- If disc should be mounted at the state of POWER ON and commanded by EJECT key, disc
shall be ejected thru the slot by a series of operation of specified device.
Standard values / Play-ability test
No ITEMS SPECIFIED VALUES, CONDITIONS TEST CONDITIONS, REFERENCES CONNEC
STANDARD VALUES RELIABILITY LIMITS TION
1 Loading Time 7sec + 3sec < 17 sec From insertion up to make sound.
(TCD-784)
2 Ejecting Time < 5 sec < 15 sec From track No.1 Between the EJECT
command and the disc eject completion.
(TCD-784)
3 Access Time 6sec + 3sec < 15 sec From out-most Track, Between the PLAY
command of in-most Track and marking
sound.
4 Disc > 120g > 90g
Shall be measure when the center of Disc is
Take-up Force > 120g During play in
correspond with the center of Roller.
low temp.
5 Disc > 80g > 70g
Shall be measure when the center of Disc is
During play in
correspond with the center of Roller.
low temp.
9
ADJUSTMENTS
No ITEMS SPECIFIED VALUES, CONDITIONS TEST CONDITIONS, REFERENCES CONNEC
STANDARD VALUES RELIABILITY LIMITS TION
6 Clamping Force > 130g > 130g
7 Mechanical Loading Eject -Test should be performed in no reverberation
If anything is not
Noise < 75dB(A)
error, shall not room at the noise level of less than 20dB(A).
Play < 40dB(A) -Test should be performed at the 50cm in front
defined.
Access < 70dB(A)
of the unit.
-IHF-A MODE (RMS-FAST)(TCD-792D)
8 Anti-Vibrational >1.0g/10Hz-20Hz, Z way -The G level should be upped to the sound
Performance >2.0g/30Hz-200Hz, Z way skip level from the less level slowly at the
Z way only
>0.6g/10Hz-20Hz, X&Yway frequency.
10Hz-20Hz:0.7g
>1.2g/30Hz-200Hz, X&Yway -Ignore the sound skip at the near of
30Hz-200Hz:1.2g
X=side to side resonance frequency(about 100Hz).
Y=front to back -In playing YEDS-10 Tr #5, shall perform with
Z=up to down vibration
-No sound skipping.
9 Playability -Interruption:0.7mm -No sound skipping in the specified range.
-Block Dot Disc:0.8mm equal with -The sound skipping does not include any
-Scratch Disc:1mm standard values interpolating noise.
-Finger Print Disc:65um
10 Disc Deflection + 0.4mm + 0.4mm -No sound skipping at the ABEX 731RA Tr
No8
-The sound skipping does not include any
interpolating noise.
-Except from specified item due to the
reliability limits of TEST DISC in the HTO
TEST.
Disc
11 + 0.21mm + 0.21mm -No sound skipping at the ABEX 713 Tr No8
Eccentricity
-The sound skipping does not include any
interpolating noise.
-Except from specified item due to the
reliability limits of TEST DISC in the HTO
TEST.
12 Jitter < 28 nsec < 33 nsec
13 Frequency 20-20kHz + 2dB 20-20kHz + 3dB This measurement may be done at 20Hz,
Response 20kHz, (1kHz=0dB)
14 Harmonic < 0.03% at 1kHz 400Hz HIGHPASS FILTER
< 0.05% at 1kHz
Distortion 20kHz(-60dB 24kHz) LOWPASS FILTER
15 Dynamic > 80dB at 1kHz > 75dB at 1kHz 20kHz(-60dB 24kHz) LOWPASS FILTER,
Range 60dB AMP IHF-A WEIGHTING FILTER
16 S/N Ratio > 85dB at 1kHz > 85dB at 1kHz
17 Channel > 70dB at 1kHz > 65dB at 1kHz 400Hz HIGHPASS FILTER
20kHz (-60dB 24kHz)LOWPASS FILTER
10
for ACP-0208Seires,ACP-0218 Series
5. SCHEMATIC DIAGRAMS
OPTION
RDS Function
CDC Function
11
6. PARTS LOCATION ON P.C. BOARD
6-1. PCB MAIN
PART SIDE
12
PARTS LOCATION ON P.C. BOARD for ACP-0208Series
ACP-0218Series
BOTTOM SIDE
13
PARTS LOCATION ON P.C. BOARD for ACP-0208Series
ACP-0218Series
6-2. PCB ESC
PART SIDE
BOTTOM SIDE
14
PARTS LOCATION ON P.C. BOARD for ACP-0208Series
ACP-0218Series
6-3. PCB ESC
PART SIDE
BOTTOM SIDE
15
for ACP-0208Seires,ACP-0218 Series
7. OVERALL EXPLODED VIEW & PARTS LIST
16
for ACP-0208Seires,ACP-0218 Series
8. DECK MECHANISM EXPLODED VIEW&PARTS LIST
17
DECK MECHANISM EXPLODED VIEW & PARTS LIST
for ACPL-0208Series,ACP-0218Series
8-1. PARTS LIST for DCM-200/201
No PART NAME PART NO. Q'TY MARK
A CHASSIS SIDE TOTAL ASSY 1 A
1 CHASSIS SIDE ASSY 97LA202300 1 A
2 LOCK PLATE R ASSY 97LA202400 1 A
3 WASHER CUT D4xD2xT0.25 97L3101500 1 B
4 MOVING PLATE R ASSY 97LA202500 1 A
5 SPG MOVING PLATE 97L3003900 1 S
B CHASSIS GEAR TOTAL ASSY 97LA202600 1 A
1 CHASSIS GEAR ASSY 97LA302500 1 A
2 MOTOR LOADING 97L8100500 1 E
3 GEAR LOAD MOTOR 97L2702600 1 M
4 CONNECTOR ASSY 2P 97L8800202 1 E
5 SCREW MACHINE PAN M2x2.5 97L3101700 2 B
6 IDLER PLATE ASSY 97LA302700 1 A
7 GEAR 1 97L2702100 1 M
8 GEAR 2 97L2702200 1 M
9 GEAR 3 97L2702500 1 D
10 GEAR 4 97L2703400 1 M
11 WASHER CUT D5xD1.6xT0.25 97L3101400 4 B
12 LEVER SOLENOID 97L2601500 1 P
13 SOLENOID 97L7102100 1 E
14 SPRING IDLER 97L3003500 1 S
15 SCREW MACHINE PAN M2x2.5 97L3101700 1 B
C CHASSIS TOP TOTAL ASSY 97LA202900 1 A
1 CHASSIS TOP 97L0602400 1 P
2 CUSHION PLATE CLAMP 97L4201100 1 B
3 BRACKET CD GUIDE 97L2400900 1 M
4 SCREW TAPTITE SPL M2x3.5 97L3101300 2 B
D CHASSIS FLOATING ASSY 97LA202700 1 A
D1 CHASSIS CLAMP TOTAL ASSY 97LA303300 1 A
1 CHASSIS CLAMP ASSY 97LA402000 1 A
2 ROLLER CLAMP 97L3700900 1 C
3 WASHER CUT D4xD1.6xT0.25 97L3101400 1 C
4 PLATE CLAMP 97L0901500 1 M
D2 DRIVE UNIT TOTAL ASSY 97LA303200 1 A
1 DRIVE UNIT ASSY 97LA401700 1 A
2 PICK-UP ASSY(DOP-200) 97LA101700 1 A
3 GUIDE SLED SCREW 97L2501400 1 C
18
DECK MECHANISM EXPLODED VIEW & PARTS LIST
for ACP-0208Series,ACP-0218Series
No PART NAME PART NO. Q'TY MARK
4 GEAR SLED SCREW 97L2702700 1 M
5 SLIDER RACK 97L5200300 1 M
6 SPG SLED INSERT 97L5200100 1 M
7 SCREW MACHINE PAN M1.7x3 97L3102100 2 B
8 HOLDER FEED MOTOR 97L2301100 1 M
9 GEAR CENTER 97L2702800 1 M
10 MOTOR FEED 97L8100600 1 E
11 GEAR FEED MOTOR 97L2703300 1 M
12 SCREW MACHINE PAN M2x5 SW 7051200511 2 B
13 SCREW MACHINE PAN M2x3 7001200311 2 B
14 PLATE SPG 97L0902200 1 P
15 SCREW TAPPING PAN T2S M2x4 7121200411 1 B
16 MOTOR SPINDLE 97L8100700 1 E
17 TURN TABLE 97L2501500 1 M
18 SCREW MACHINE PAN M1.7x2.5 97L3102200 2 B
19 PCB SP MOTOR 97L65015BA 1 E
20 SWITCH LIMIT 5S50101113 1 E
21 SCREW TAPPING PAN T2S M2x4 7121200411 2 B
22 DAMPER RUBBER 97L2600900 3 Ru
1 E-RING( 2) 7402002011 1 B
2 SPRING CLAMP 97L3004300 2 S
E SENSOR PCB ASSY 97LA203200 1 A
E1 LED PCB ASSY 97LA303100 1 A
1 PCB LED 97L65015DA 1 E
2 LED DSI2321--- 4 E
3 CONNECTOR ASSY 12P 97L8800201 1 E
4 CONNECTOR ASSY 5P 97L8800203 1 E
5 CONN WAFER(ANGLE) 2P 97P6271000 2 E
6 SWITCH DETECT 5S50101112 1 E
E2 PT PCB ASSY 97LA303400 1 A
1 PCB PT 97L65015LA 1 E
2 PHOTO TR TST2321--- 4 E
F HOLDER ROLLER TOTAL ASSY 97LA202800 1 A
1 HOLDER ROLLER ASSY 97LA302700 1 A
2 SHAFT ROLLER 97L3600800 1 C
3 GEAR ROLLER 97L2703100 1 M
4 BEARING ROLLER 97L5300100 2 M
5 ROLLER RUBBER 97L3700800 1 Ru
6 WASHER CUT D4xD2xT0.25 97L3101500 1 B
19
DECK MECHANISM EXPLODED VIEW & PARTS LIST
for ACP-0208Series,ACP-0218Series
No PART NAME PART NO. Q'TY MARK
7 GEAR RELAY 2 97L2703000 1 M
8 GEAR RELAY 1 97L2702900 1 M
9 WASHER CUT D6xD2.6xT0.25 97L3101600 1 B
10 WASHER CUT D4xD1.6xT0.25 97L3101400 1 B
11 ROLLER BUSH 97L3701100 1 C
12 BRACKET DOOR 97L2401400 1 M
13 SCREW TAPTITE SPL M2x3.5 97L3101300 2 B
8-2. DECK TOTAL ASSY PARTS LIST
No PART NAME PART NO. Q'TY MARK
1 CHASSIS MAIN 97L0601700 1 P
B CHASSIS GEAR TOTAL ASSY 97LA202600 1 A
2 GEAR DOUBLE 97L2702400 1 M
3 SCREW TAPTITE PAN M2x3.5 97L3101800 2 B
E SENSOR PCB ASSY 97LA203200 1 A
4 SCREW TAPTITE SPL M2x3.5 97L3101300 2 B
5 LOCK PLATE L ASSY 97LA202000 1 A
6 WASHER CUT D4xD2xT0.25 97L3101500 1 B
7 MOVING PLATE L ASSY 97LA202100 1 A
8 HOLDER DAMPER 97L2300900 1 P
9 DAMPER RUBBER 97L2600900 1 Ru
10 SCREW TAPTITE PAN M2x3.5 97L3101800 1 B
11 BRACKET DAMPER ASSY 97LA202200 1 A
12 SCREW TAPTITE PAN M2x3.5 97L3101800 1 B
D CHASSIS FLOATING ASSY 97LA202700 1 A
F HOLDER ROLLER TOTAL ASSY 97LA202800 1 A
A CHASSIS SIDE TOTAL ASSY 1 A
13 SCREW TAPTITE PAN M2x3.5 97L3101800 3 B
14 SPRING HOLDER ROLLER 97L3003800 2 S
15 SPRING MOVING PLATE 97L3003900 1 S
16 SPRING SUSPENSION F 97L3004000 2 S
17 SPRING SUSPENSION R 97L3004100 2 S
C CHASSIS TOP TOTAL ASSY 97LA202900 1 A
18 SCREW TAPTITE PAN M2x3.5 97L3101800 4 B
19 SCREW TAPTITE SPL M2x3.5 97L3101300 2 B
20 PCB TOTAL ASSY 97LA0003P- 1 A
21 SCREW TAPTITE SPL M2x3.5 97L3101300 3 B
20
E.PART LIST for ACP-0208Series
9. ELECTRICAL PARTS LIST ACP-0218Series
CAUTION R is a recommendable part for essential stock.
9-1. MAIN SECTION
No PART NAME PART CODE DESCRIPTION
ANT01 CONN AS 97T6802500 9.5 20