EMERGENCY TROUBLE SHOOT
6
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.
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 case of located Glass Antenna, check if heat wire is cut or not in rear window.
R1
Check Antenna connector part.
Summary of Contents for AKD-0105 Series
Page 4: ...2 LINE DRAWING 2 2 1 AKD 0105 Series Front Side AKD 0105 R RDS AKD 0115 R RDS ...
Page 6: ...LINE DRAWING 2 3 AKD 0105 0205 Rear Side 4 BASIC MODEL RDS MODEL ...
Page 10: ...8 4 ADJUSTMENT 4 1 EQUIPMENTS CONNECTIONS ...
Page 11: ...9 ADJUSTMENTS 4 2 TUNER MODULE ADJUSTMENT LOCATIONS ...
Page 16: ...14 5 SCHEMATIC DIAGRAMS 5 1 BASIC Series AKD 0105A PH AKD 0205E AKD 0225E AKD 0235A Size A3 ...
Page 17: ...SCHEMATIC DIAGRAM 15 AKD 0205R AKD 0225 7 R AKD 0235 7 R 5 2 RDS Series Size A3 ...
Page 18: ...16 SCHEMATIC DIAGRAM 5 3 CDP Circuit for AKD 0105 AKD 0205 Series DCM 200 201 Size A3 ...
Page 19: ...17 6 PARTS LOCATION ON P C BOARD 6 1 PCB MAIN AKD 0105 0205 Series PARTS SIDE ...
Page 20: ...18 PARTS LOCATION ON P C BOARD BOTTOM SIDE ...
Page 26: ...PARTS LOCATION ON P C BOARD 24 6 3 PCB CDP DCM 200 201 PARTS SIDE ...
Page 27: ...PARTS LOCATION ON P C BOARD 25 BOTTOM SIDE ...
Page 28: ...26 7 OVERALL EXPLODED VIEW PARTS LIST 7 1 AKD 0225 BASIC RDS Size A3 ...
Page 29: ...OVERALL EXPLODED VIEW PARTS LIST 27 7 2 AKD 0235 BASIC RDS Size A3 ...
Page 30: ...8 DECK MECHANISM EXPLODED VIEW PARTS LIST 28 Size A3 ...
Page 36: ...34 10 FUNCTION OF MICOM IC 10 1 PIN CONFIGURATION ...
Page 42: ...FUNCTION OF MICOM IC 40 10 3 PIN CONFIGURATION ...
Page 48: ...46 11 IC BLOCK DIAGRAM 11 1 LC75854 LC75852 IC LCD DRIVER ...
Page 49: ...47 IC BLOCK DIAGRAM 11 2 SAA6579T IC RDS DEMODULATOR SAA6579T ...
Page 50: ...IC BLOCK DIAGRAM 48 11 3 HA13158A IC AUDIO POWER ...
Page 51: ...49 IC BLOCK DIAGRAM 11 4 LC75371M IC EVR ...
Page 52: ...50 IC BLOCK DIAGRAM 11 5 24LC16B IC EEPROM ...
Page 53: ...IC BLOCK DIAGRAM 51 11 6 BA3121 IC ISOLATOR IC302 ...