BLOCK DIAGRAM-2/2 (A225K, HRJ MODEL)
FM ANT
MAIN C.BAM TrackingFM TrackingFM FrequencyAM Frequency
ADJADJRang ADJRang ADJ
AM RFFM RFFM OSCAM OSC
L114L113L112L102
VC1CVC1AVC1DVC1B
C553
1412109753
IF OUTRF IN FM RF IN AMFM RFOSC FM OSC AMNF
FM/AM
IC101 KA22425
SP1
AM/FM TUNER SYSTEM &
R450POWER AMP.
IF IN AMIF IN FMOUT DETAF INVCCOUT AF
SPEAKER
161723242627
AM IF
T101
ADJ
R590
Q501
IF AMP
FC103++FC102
MUTE
Q450
POWER
ALARM
ALM2
VSS 15
20
OUT RADIO 18
OUT ALM1 19SW10ASW10B
IC102VDD 28P7
LEDLM8562ALM 21Q201
+9V
DISPLAYSET TIM 22REGBATTERY
DC9V
IN 23
SLEEP 24
RT-TIM 27
PT1
DISPLAY CONTROLP1AC
3
2
LD 101P3
SW106 101
P6
SNOOZE, SLEEP, ALARM,SLEEP/OFFAC230V 50Hz (A225 KLC MODEL)
-9V
AC110-120V / 220-230V 50/60Hz (A225 HRJLC MODEL)
DOWN, UP
DISPLAY C.B
SIGNAL
: AM
: FM
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