ADJUSTMENTS
4-3. AM (MW/LW) ADJUSTMENT METHOD
9
STEP
1
Band Covering
RF-Tracking
Figure 1
Figure 2
Figure 2
522KHz 30dBu
Mod 1000Hz 30%
603KHz 30dBu
Mod 1000Hz 30%
1404KHz 30dBu
Mod 1000Hz 30%
522KHz
603KHz
1404KHz
Adjust AM OSC coil
to reach VT1.2V
Fig.7
Adjust AM RF1 and
AM RF2
for maximum output
Fig.7
Adjust AM RF1 and
AM RF2
for maximum output
Fig.7
RF-Tracking
2
3
DESCRIPTION
CONNECTION ANTENNA SIGNAL
DIAL
CONTROL
ADJUSTMENT
1. Dummy Antenna Circuit
2. Location of Adjustment Points
Refer to Adjustment Location Page
3. Control Setting
Power Switch .................. ON
Balance/Fader Control ...................... Mech. Center
Band Switch .................... AM
Treble/Bass Control ........................... Mech. Center
Other ............................... OFF
4. Adjustment Procedure
NOTE: When it is U.S.A band instead of 522, 603, 999, 1404kHz is 530, 600, 1000, 1400kHz
Содержание AKF-3825 series
Страница 5: ...3 LINE DRAWING 2 2 REAR SIDE ...
Страница 9: ...4 ADJUSTMENTS 7 4 1 EQUIPMENTS CONNECTIONS ...
Страница 10: ...ADJUSTMENTS 4 2 TUNER MODULE ADJUSTMENT LOCATIONS 8 ...
Страница 14: ...12 5 SCHEMATIC DIAGRAMS 5 1 BASIC Series AKF 3825 Size A3 ...
Страница 15: ...13 5 2 BASIC Series AKF 8825 SCHEMATIC DIAGRAM Size A3 ...
Страница 16: ...14 5 3 RDS Series AKF 8825R SCHEMATIC DIAGRAM Size A3 ...
Страница 17: ...PART SIDE 6 1 PCB MAIN 15 6 PARTS LOCATION ON P C BOARD AKF 3825 AKF 8825 Basic RDS ...
Страница 18: ...PARTS LOCATION ON P C BOARD 16 BOTTOM SIDE ...
Страница 19: ...6 2 PCB FRONT 17 PARTS LOCATION ON P C BOARD PART SIDE BOTTOM SIDE ...
Страница 20: ...18 PARTS LOCATION ON P C BOARD 6 3 ISO PCB ...
Страница 21: ...19 7 OVERALL EXPLODED VIEW PARTS LIST 7 1 AKF 3825 Basic Size A3 ...
Страница 22: ...7 2 AKF 8825 Basic RDS 20 OVERALL EXPLODED VIEW PARTS LIST Size A3 ...
Страница 23: ...8 1 EXPLODED VIEW TN 301NX 219 for AKF 3825 21 8 DECK MECHANISM EXPLODED VIEW PARTS LIST ...
Страница 26: ...24 DECK MECHANISM EXPLODED VIEW PARTS LIST 8 3 EXPLODED VIEW TN 715 DH 109 for AKF 8825 Series ...
Страница 33: ...31 10 FUNCTION OF MICOM IC 10 1 PIN CONFIGURATION TOP VIEW ...
Страница 39: ...37 11 IC BLOCK DIAGRAM 11 1 LC75854 IC LCD DRIVER ...
Страница 40: ...38 IC BLOCK DIAGRAM 11 2 TDA7372B Audio Power IC IC502 ...
Страница 41: ...IC BLOCK DIAGRAM 39 11 3 TDA7365 Audio Power IC IC502 ...
Страница 42: ...IC BLOCK DIAGRAM 40 11 4 LC75371M IC EVR IC501 ...
Страница 43: ...IC BLOCK DIAGRAM 41 11 5 LC7270M LC72722 RDS IC201 ...