DAEWOO ACP-0108, ACP-0106, ACP-0106A, ACP-5010RDS, ACP-5010RC Service Manual

Service Manual

Car Audio

S/M No : ACP0108EF0

MODEL : ACP-0108 Series

DAEWOO ELECTRONICS CO., LTD

http://svc.dwe.co.kr Mar. 2001

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
Detachable Face for Anti-Theft
10 CD-changer control(Option)
Telephone Mute Control

5010Series

CDP-0105A
ACP-5010RDS
ACP-5010RC
ACP-5010C
ACP-5010
AKP-5010RDS

0106Series

ACP-0106A

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 .......................15

8. DECK MECHANISM EXPLODED VIEW & PARTS LIST .......16

9. ELECTRICAL PARTS LIST........................................................19

10. FUNCTION OF MICOM IC .....................................................23

11. IC BLOCK DIAGRAM .............................................................29

12. LIQUID CRYSTAL DISPLAY ..................................................33

13. OUTPUT CONNECTION DESCRIPTIONS ............................34

TABLE OF CONTENTS

1

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 14 watts
Frequency response : 100Hz(

3dB), 20kHz( 3dB)

Control Bass/Treble : 10

3dB at 100Hz/10kHz

CD PLAYER SECTION

Total harmonic distortion : 0.1%
Signal to noise ratio : 80dB
Laser Diode Properties : Meterial - GaAlAs

Wave length - 775~800 nm
Laser out-put Power - Less than 400 uW

TUNER SECTION

(FM) Tuning range : 87.5 to 108MHz

Sensitivity : 10dBuV
Stereo separation : 30dB
Signal to noise ratio

:

60dB

(MW) Tuning range : 522 to 1620KHz at Europe

( 530 to 1710kHz at U.S.A)
Sensitivity : 22dBuV
Signal to noise ratio

:

50dB

Channel space : 9KHz (or 10KHz at U.S.A)

(LW) Tuning range : 144 to 288KHz

Usable Sensitivity : 25dBuV

GENERAL

Power requirements : DC 13.8V (10.8 ~15.6V allowable)

Negative ground
Speaker impedance : 4 or 8 ohm
Output power : Maximum 40Wx4Ch.
Current consumption : 10A (MAX)

Dimension (W x H x D) : 178 x 50 x 156 mm
Chassis size : 195 x 64 x14.6 mm

Weight(Net) : 1.75Kg

Design and specifications are subject to changes for improvements without notice.

2

2. LINE DRAWING

2-1. FRONT SIDE

2-2. REAR SIDE

ACP-0108RDS Serise

- 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

- Detachable Face for Anti-Theft

- 10 CD-changer control(Option)

- Telephone Mute Control

ACP-0108 BASIC Series

- 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

- Detachable Face for Anti-Theft

- 10 CD-changer control(Option)

- Telephone Mute Control

*

ACP-5010RDS, 5010RC *AKP-5010RDS

*

ACP-5010C, 5010 *CDP-0105A

*

ACP-0106A

3

3. EMERGENCY TROUBLE SHOOT

3-1. General Function

No sound from
speakers

Yes

No

Yes

Output connector
is missing

Output connector
is inferior goods

Put exactly output
connector in.

Change output
connector to
superior goods

Yes

No

Power IC, Output
Socket is inferior
goods

Change Power IC,
Output Socket to
superior goods

Yes

A

A

L.C.D or Lamp
is not turned
off.

Yes

No

Yes

Power is not
supplied

Return to

Output voltage of
power IC is little.

Change Regulator
IC and check
output voltage.

Yes

No

LCD or Lamp is
inferior goods.

Change LCD or
Lamp 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 / Rear

Ref.

Balance = Center
Left / Right

Ref.

Balance = Center
Treble / Bass

Ref.

Regulator IC output
Voltage = V

Ref.

Electrical Parts List
L.C.D., Lamp

Re-adjust Balance
of Left, Right

Yes

Yes

Balance of Treble
or Bass is in one
side.

Re-adjust Balance
of Treble or Bass

Yes

4

EMERGENCY TROUBLE SHOOT

3-2. Tuner Function

Hearing noise
only

Yes

No

Yes

No selected the
station

Tuner Module is
inferior goods.

Select exactly
broadcasting
frequency.

Change tuner
module to
superior goods.

Yes

Weak frequency
area caused by
elevations

Change to goods of
R.D.S function.

Yes

A

B

A

Station in
other regions
are not held.

Yes Yes

No selected the
local stations.

Return to 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-7
Adjustments/Tuner

Function of auto­switch noise
reduction

Ref.

Yes

Weak frequency
area of FM, MW

Switch
automatically to
mono mode in
weak frequency
area

Yes

B

R1

In case of located Glass Antenna, check if heat wire is cut or not in rear window.

R2

Check Antenna connector part.

EMERGENCY TROUBLE SHOOT

5

Disc is not
inserted.

Yes Yes

There is Disc in
the slot

Take out Disc
from the slot

Disc is inferior
goods

Use only superior
disc

No

Yes

A

Selection time
is longer than
unusually

Yes

Selected PAUSE
function

Release PAUSE
function

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
DCM-400F

Ref.

Power Off/On
Hard Reset

No

No

No

Disc is dirty

Wipe with cleaning
cloth

Yes

A

Ref. Point

Disc is stopped
under eject

Yes

It is normal for
CD-Deck or the
slot

Yes

3-3. CD Function

4.

ADJUSTMENTS

6

4-1. TUNER MODULE ADJUSTMENT LOCATIONS

CAT-7 (3 Band)

CAT-6 (2 Band)

ADJUSTMENTS

4-2. MW / LW ADJUSTMENT METHOD

7

STEP

MW

LW

Band Covering

Range

IF

522 KHz

522 KHz

603 KHz

V.T point of

AM Board

Output

Output

522 KHz

450 KHz

603 KHz

AMOSC

MAXIMUM

1620 KHz

1620 KHz -

7.6V

MAXIMUM

MAXIMUM

AMIF

AMRF1
AMRF2

1404 KHz

Output

1404 KHz

MAXIMUM

AMRF1
AMRF2

TRACKING

ALIGNMENT

TUNING

TEST

POSITION

SSG

FREQUENCY

ALIGNMENT

INDICATOR

Band Covering

Range

144 KHz

144 KHz

LWOSC

MAXIMUM

TRACKING

220 KHz

Output

220 KHz

LWRF1
LWRF2

MAXIMUM

-

ADJUSTMENTS

4-3. FM ADJUSTMENT METHOD

8

STEP

1 IF adjust

MPX IC

Separation

Control

98.1 MHz, ANT
input 60dBu, 1kHz
(30% MOD) FM
SSG

ANT jack
and GND

ANT jack
and GND

98.1 MHz, ANT
input 40dBu, 1kHz
(L+R=45%

L-R=45%

PILOT=10% MOD)

The voltage

between CW03

L or R CH SP.

output wire

VTVM and Scope

FM DET

ST

BLEND

Adjust for 0V

0.05V

L, R separation
8dB

2

SUBJECT

FEED SIGNAL

FROM

TO

MEASURE

OUTPUT

ADJUST

POINT

ADJUSTMENT

ADJUSTMENTS

9

Definition of Mechanical Mode

No

1

2

3

4

STOP MODE

LOADING

MODE

PLAY MODE

EJECT
MODE

- Disc haven’t been inserted or disc have been ejected. When disc shall be transported
into the unit

Mechanism shall be fixed at this mode.

- Loading device can insert disc thru the slot.

- Floating device being locked.

- Disc have been inserted thru the slot in front of unit. It is transient state between STOP
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.

- After disc have being clamped on the turn-table, disc shall be rotated.

- Disc shall be played.

- Floating device being unlocked.

- Disc is to be ejected at this mode. It is transient state between PLAY mode and STOP
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.

MODE DEFINITION & STATUS

Standard values / Play-ability test

No

1

2

3

4

5

Loading Time

Ejecting Time

Access Time

Disc

Discharge Force

Disc

Take-up Force

7sec + 3sec

6sec + 3sec

<

17 sec

<

15 sec

<

15 sec

<

5 sec

> 120g
> 120g

> 80g

> 90g

During play in

low temp.

> 70g

During play in

low temp.

From insertion up to make sound.
(TCD-784)

From track No.1 Between the EJECT
command and the disc eject completion.
(TCD-784)

From out-most Track, Between the PLAY
command of in-most Track and marking
sound.

Shall be measure when the center of Disc is
correspond with the center of Roller.

Shall be measure when the center of Disc is
correspond with the center of Roller.

ITEMS

CONNEC

TION

SPECIFIED VALUES, CONDITIONS

STANDARD VALUES RELIABILITY LIMITS

TEST CONDITIONS, REFERENCES

4-4. CDP MODE TEST & ADJUSTMENT METHOD