-16-
IC BLOCK DIAGRAM-1/1
IC, KA22426D
IC, LM8562
14
AF POWER AMP
15
16
17
18
19
20
21
22
23
24
25
26
27
14
13
12
11
10
9
8
7
6
5
4
3
2
1
AM FE
AM IF AGC
FM IF
FM FE
DISCRIMINATOR
FM
TUNING METER
FM/AM
BAND
SELECT
AM
IF IN
FM
IF IN
NC
METER
IF
GND
AFC
AGC
AFC
AGC
DET
OUT
GND
AF
OUT
VCC
RIPPLE
FILTER
AF
IN
FM/AM
FE OUT
FE
RF IN
FM
RF IN
NC
AM
RF IN
FM
RF
REG
OUT
FM
OSC
AFC
MUTE
FM
DISCRI
NF
VOL
AM
OSC
T
T
T
T
T
T
T
T
MODE
SELECT
TEST
50/60 SEL
12/24 SEL
OSC
INNER
OSC
OSC
STOP
SPEED/
POWER
DOWN
CR OSC
50/60Hz
INPUT
RT-TIME
SET/
DIMMER
TIME SET
INPUT
ALM-DISP
SELECT
SLEEP/
SNOOZE
ON/OFF
INPUT
THREE INPUT
CIRCUIT
ON
OFF
CONTROL
CONTROL
OUTPUT
CONTROL
T
ONE1
T
ONE2
OSC ST
OP
SNOOZE
CTR
SLEEP
CTR
SLEEP
TIME CTR
TIME SET
COMPARATOR
ALARM1 CTR
ALARM2 CTR
ALARM2
ALARM1
SEC
TIME
SEC CTR
GATE
1/2
RESET
1Hz
2Hz
2Hz
PF.
DET
BLANK
FLASH
SEGMENT
OUTPUTS
OUTPUT
DECODER/DRIVER
POWER DOWN
TONE1 TONE2
CTR
GATE
GATE
1/25 or 1/30
SYSTEM CLOCKS
RESET
RESET
RESET
STANDBY
DET
SET CK
DIMMER
SET CK
U/D
U/D
RESET
RESET
SET CK
U/D
SETCK S
RESET S
U/D S
PWR UP
DISPLA
Y
CONTROL
RESET
CONTROL
INPUT
CONTROL
SEO DISP
T.DISP
AL1.DISP
AL2.DISP
SL.DISP
ALM1-OUTPUT
ALM2-OUTPUT
RADIO-OUTPUT
RT-SET
OSC
CONTROL
OUTPUT
CONTROL
SLEEP
CTR
TIME
MIN CTR
TIME
HR CTR
COMPARATOR
ALARM
HR CTR
ALARM
MIN CTR
SEC CTR
GATE
1/2
1Hz
2Hz
PF.
DET
BLANK &
FLASH
SEGMENT
OUTPUTS
OUTPUT
DECODER/DRIVER
CTR
GATE
1/25 or 1/30
STANDBY DET
PWR UP
PWR UP
PWR
UP
DISPLA
Y
CONTROL
RESET
CONTROL
INPUT
CONTROL
SEC DISP
T.DISP
T.RST
AL.RST
AL..DISP
SL.DISP
D
D
D
D
D
D
50/60Hz
2Hz
50/60Hz
50/60Hz
TONE
ALARM
DISPLAY
SEC
DISPLAY
SLEEP
INPUT
SNOOZE
INPUT
ALARM
OFF
T.DISP & S.SAMPLE
S.SAMPLE
F.SAMPLE
TIME &
F.SAMPLE
TIME &
F.SAMPLE
ALARM &
F.SAMPLE
TIME & S.SAMPLE
SEC RSTYHLD
TONE
SLEEP
OUTPUT
ALARM
OUTPUT
SEC
TIME
ALARM
SLEEP
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299