Daewoo AGC-4208 Series User manual

DAEWOO CAR STEREO SERVICE GUIDE
CD/CDC
DABBAND
AGC-4208
S
D
D
A
B
Service Guide
Service Guide
CAR AUDIO
AGC 4208 : USB / SD / MP3 / CD Player with Radio
AGC-4208 Series
AGC-4208RD
AGC-4206H

1. PRODUCT SPECIFICATION 1
2. APPEARANCE & CONNECTION 2
3. FRONT PANNEL INFOMATION 5
4. ELECTRICAL SPECIFICATION 7
5 TROUBLE SHOOTING GUIDE 11
6. FUNCTION OF MICOM IC 12
7. IC BLOCK DIAGRAM 16
8. PARTS LOCATION ON P.C.BOARD 25
9. BLOCK & SCHEMATIC DIAGRAM 31
10. ELECTRICAL PARTS LIST 37
11. OVERALL EXPLODED VIEW 45
Contents

1
1. PRODUCT SPECIFICATION
SPECIFICATION
AUDIO SECTION
Maximum output power : 25 Watts Per Each Channel into 4 Ohms
Total Harmonic distortion : Less Than 10% at 20 Watts
Frequency Response : 100Hz( 3dB), 10kHz( 3dB)
Control Bass / Treble : 10 3dB at 100Hz / 10kHz
RADIO SECTION
FM Section Tuning Range : 87.5 ~ 108MHz(50kHz Step)
Usable Sensitivity(Mono) : 12dBuV(75Ohms)
Signal To Noise Ratio : More Than 50dB (at 60dBuV)
Total Harmonic Distortion : Less Than 0.5%
MW Section Tuning Range : 522kHz to 1620kHz at Europe
Usable Sensitivity(Mono) : 30dBuV(75Ohms)
Signal To Noise Ratio : More Than 45dB (at 60dBuV)
Total Harmonic Distortion : Less Than 1.0%
CD/ CD MP3/ USB MEMORY/ SD CARD SECTION
Disc : Compact Disc(12cm Std. Disc)
Rotation RPM : 1.2m/s~1.4m/s(200~500rpm) Usable
Frequency Response : 20Hz~20kHz
S/N Ratio : 60dB
Total Harmonic Distortion : Less Than 0.1%
Channel Separation : 60dB
DAB SECTION
Tuning Range : 174~240 MHz(Band 3)
: 1452~1492MHz(L Band)
Usable Sensitivity(Mono) : Less than -90dBm
Frequency Response : 20Hz~20kHz
S/N Ratio : More than 60dB
Total Harmonic Distortion : Less Than 0.1%
GENERAL
Power Requirement : DC 12,.0V / Rated : 14.4V
: (Usable : 10.8~15.6V)
: Negative Ground
Speaker Impedance : 4~8 ohms(4 Speakers)
Current Consumption : 7.5A Maximum
Fuse Ratings : Constant(Yellow wire) 10A
Dimension(W °ø H °ø D) : 178 x 50 x 156 mm
Chassis Size : 195 x 64 x 14.6 mm
Weight(Net) : 1.75 Kg

2. APPEARANCE & CONNECTION
2
AGC-4208RD
CD/CDC
DABBAND
AGC-4208
S
D
D
A
B
FRONT PANEL
ESC.
SD Card / USB Memory Playable
MP3 / CD / CD-R / RW Playable
Face Full Detachable for Anti-Theft
4-Channel High Power Output (50W 4Ch)
Encoding Volume Control
Electronic Bass / Treble / Balance / Fader Control
30 Station Memory Capability (18FM + 12AM)
Seek / Auto Memory
Mute / Tel. Mute / RDS Function
Aux-In
CD/CDC
DABBAND
AGC-4208
S
D
D
A
B
MP3 Playback Mode
Selection Control, ALL/DIR
Display Mode Selection of the rear Display
Speaker Position
Control
Scroll On/Off Control
Face Full
Detachable

3
AGC-4206H
CD
AMFM
AGC-4208
LOUD
FRONT PANEL
ESC.
MP3 / CD / CD-R / RW Playable
Face Full Detachable for Anti-Theft
4-Channel High Power Output (50W 4Ch)
Encoding Volume Control
Electronic Bass / Treble / Balance / Fader Control
30 Station Memory Capability (18FM + 12AM)
Seek / Auto Memory
Mute / Tel. Mute / Loudness Control
Aux-In
CD
AMFM
AGC-4208
LOUD
MP3 Playback Mode
Selection Control, ALL/DIR
Display Mode Selection of the rear Display
Speaker Position
Control
Scroll On/Off Control
Face Full
Detachable
Appearance

4
CONNECTION
Connection
A
B
C
1
2
7
8
1
2
7
8
1
2
3
13
7
814
4
5
19
20
ي
ي
A
B
C
1
2
7
8
1
2
7
8
1
2
3
13
7
8
14
4
5
19
20
A-Part : POWER
1. T.MUTE : BROWN
4. Back-up +12V : YELLOW
5. +12V (Automatic antenna)
: BLUE
6. Dimmer : PINK
7. +12V supply (from ignition Lock)
: RED
8. Ground : BLACK
36 Pin ISO Connector
B-Part : SPEAKER
1. Right Rear (+) : VIOLET
2. Right Rear (
- ):VIOLET/Stripe
3. Right Front (+) : GRAY
4. Right Front (
- ) : GRAY/Stripe
5. Left Front (+) : WHITE
6. Left Front (
- ) : WHITE/Stripe
7. Left Rear (+) : GREEN
8. Left Rear (
- ):GREEN/Stripe
C-Part : Accessory
1. Rear Left
2. Rear Right
3. Audio Ground
4. Front Left
5. Front Right
7. Aux In Left
8. Aux In Right
9. Audio Ground
11. Phone Audio In
12. GND
ISO Connector B
B1: Rear Right+(Violet)
B2: Rear Right-(Violet w/black stripe)
B3: Front Right+(Gray)
B4: Front Right-(Gray w/black stripe)
B5: Front Left+(White)
B6: Front Left-(White w/black stripe)
B7: Rear Left+(Green)
B8: Rear Left-(Green w/black stripe)
ISO Connector A
A1: Brown - Telephone Mute Lead
A4: Yellow - Battery Lead
A5: Blue - Motor Antenna Relay Control Lead
A6: Pink - Illumination Power Lead
A7: Red - Power Lead(ACC or IGN)
A8: Black - Ground Lead
ISO COnnector
ANTENNA
ISO COnnector Cable
Strip Wire

3. FRONT PANEL INFOMATION
5
FRONT PANEL
AGC-4208RD
LCD Panel & Remote Control
Power On/Off
CD Eject
Volume Adjustment
SELECT Menu Control
FM/AM Radio Selection
DAB Selection
CD/CDC
DABBAND
AGC-4208
S
D
D
A
B
CD/CDC Mode Selection
Preset Memory (#1 ~ #6)
Other Additional Function of
MP3 / CD, Menu
Display Mode Selection
AUX / USB / SD Mode Selection
Audio Mute Control
Front Panel Open
ID3 Tag Display of the CD mode
RDS Menu Control
Phone Mode Selection
General Menu Control
Sound Menu Adjustment
Tune Up, Next Track and Next File Button (>)
Tune Down, Previous Track and Previous File (<)
Radio Frequency Scan /PTY Search
Preset Memory Scan and Auto-store Function
Power On/Off
1
POWER
0
987
654
32
CD
DISP
SOUND
BAND
AUX
INFO
ENTER
P/B MUTE
TOP INT RPT
RDM D- D+
SUB.TITLE P.MODE ANGLE
OPEN S.MODE MENU
TITLE
SRC
DAR
CHANGER
SELECT
CD Mode
Selection
Display Mode
Selection
Volume
Adjustment
(Left/Right)
Preset Memory
Scan
Preset Memory
(#1 ~ #6)
Front Panel
Open
Sound Menu Adjustment
Radio Band Selection
ID3 Tag Display of the CD
mode
Tune Up, Next Track and
Next File Button (Up)
Audio Mute Control
Other Additional Function of
MP3 / CD, Menu
(TOP/INT/RPT/RDM/D-/D+)
General Menu Control
Tune Down, Previous Track
and Previous File (Down)
AUX Mode Selection
1
POWER
0
987
654
32
CD
DISP
SOUND
BAND
AUX
INFO
ENTER
P/B MUTE
TOP INT RPT
RDM D- D+
SUB.TITLE P.MODE ANGLE
OPEN S.MODE MENU
TITLE
SRC
DAR
CHANGER
SELECT
Front LCD Panel
Rear LCD Panel

6
FRONT PANEL
AGC-4206H
LCD Panel & Remote Control
Power On/Off
CD Eject
Volume Adjustment
SELECT Menu Control
FM Radio Selection
AM Radio Selection
CD
AMFM
AGC-4208
LOUD
CD Mode Selection Preset
Memory (#1 ~ #6)
Other Additional Function of
MP3 / CD, Menu
Display Mode Selection
AUX Mode Selection
Audio Mute Control
Front Panel Open
ID3 Tag Display of the CD mode
Loudness Control
Phone Mode Selection
General Menu Control
Sound Menu Adjustment
Tune Up, Next Track and Next File Button (>)
Tune Down, Previous Track and Previous File (<)
Radio Frequency Scan
Preset Memory Scan and Auto-store Function
Power On/Off
1
POWER
0
987
654
32
CD
DISP
SOUND
BAND
AUX
INFO
ENTER
P/B MUTE
TOP INT RPT
RDM D- D+
SUB.TITLE P.MODE ANGLE
OPEN S.MODE MENU
TITLE
SRC
DAR
CHANGER
SELECT
CD Mode
Selection
Display Mode
Selection
Volume
Adjustment
(Left/Right)
Preset Memory
Scan
Preset Memory
(#1 ~ #6)
Front Panel
Open
Sound Menu Adjustment
Radio Band Selection
ID3 Tag Display of the CD
mode
Tune Up, Next Track and
Next File Button (Up)
Audio Mute Control
Other Additional Function of
MP3 / CD, Menu
(TOP/INT/RPT/RDM/D-/D+)
General Menu Control
Tune Down, Previous Track
and Previous File (Down)
AUX Mode Selection
1
POWER
0
987
654
32
CD
DISP
SOUND
BAND
AUX
INFO
ENTER
P/B MUTE
TOP INT RPT
RDM D- D+
SUB.TITLE P.MODE ANGLE
OPEN S.MODE MENU
TITLE
SRC
DAR
CHANGER
SELECT
Front LCD Panel
Rear LCD Panel
Front Panel Information

1 OUTPUT POWER(10%THD) FM 75KHz W 20 15
OUTPUT POWER(VOL MAX) FM 75KHz W 30 22
2 BALANCE CONTROL EFFECT L -> R dB 60 50
R -> L dB 60 50
3 FADER CONTROL EFFECT F -> R dB 60 50
R -> F dB 60 50
4 BASS CONTROL EFFECT at 100Hz dB 10 7 3
at 100Hz dB -10 -13 -7
5 TREBLE CONTROL EFFECT at 10KHz dB 10 7 3
at 10KHz dB -10 -13 -7
6 LOUD EFFECT VOL 23 at 100Hz dB 10 7 3
at 10KHz dB 10 7 3
7 LEVEL BALANCE
FM : 45KHz dev. / 60dBuV dB 0 0
MW : 30% mod. / 74dBuV dB -5 -5 3 dB
CDP : TCD-782, Tr2, 1KHz dB 10 10 3 dB
MP3 : SCD-4419 1KHz dB 10 10 3 dB
SDC : SCD-4419 1KHz dB 10 10 3 dB
USB : SCD-4419 1KHz dB 10 10 3 dB
DAB : 211.648MHz, 0dB/-70dBn dB 10 10 3 dB
AUX : Input 500mV dB 5 5 3 dB
PHONE : nput 500mV dB 10 5 3 dB
8 CHANNEL BALANCE
LEFT FRONT : dB 0 0
RIGHT FRONT : dB 0 0 3 dB
LEFT REAR : dB 0 0 3 dB
RIGHT REAR : dB 0 0 3 dB
7
GENERAL AUDIO SECTION
NO PERFORMANCE POSITION UNIT NOMINAL LIMIT
4. ELECTRICAL SPECIFICATION