BRITÂNIA CR-500W Schematic

87654321

120p

11

6

VC1

C4

C6
3P

DET OUT

VCC

JT10.7MG18

10

MPX IN

AM IF IN

7

CF2
450B

CF4

R4
220

10.7MHz

C12

0.1u

CF1

C10
5p

9

GND2

FM IF IN

8

R5
100k

C13
220u

D3
FV1043

R3

100K

100

C41
4u7

R2
100K

C17

0.1u

C11
15n

R27
8K2

C5

0.1u

D

FM-ANT

C

D2

D1

1N4148

VC4

C16

0.005u

L1

11Tx4mm

1N4148

LED10.6" LED DISPLAY (RED)

AM COIL

132:28T

C1

50p or 51p

R26

L3

L4

C8 22p

FM/AM

C40

0.005u

VC2 PVC

14

AM/FM SW

FM MIX

3

C15

0.1u (0603)

C7 22p

3.5T x4.5mm

VC3 PVC

SW1

16

1

L2

15

AM RF IN

FM RF IN

FM RF OUT

IC1CD2003Gp-II

GND1

2

C3
30p

C2
25p

4.5Tx4.5mm

33K

2T5x5.0mm

R1
22
C9
25p

13

FM OSC

AM MIX

4

R6

100

R23
33K

L1

RED

12

AM OSC

AGC

CF3

5

500P

C14

33uF

AM

ALARM

:12:38

12131415161718192021222324252627282930

11

10

9

8

7

6

5

4

3

2

1

B

R19

33 R15

16

AL-OUT
SL-OUT

C36

220u/16V

22

J1J2J3J4

12Hrs AM Y

24Hrs
50Hz
60Hz

12Hrs PM

A

N

N

Y

--

--

--

--

1 2 3 4 5 6 78

R22
180K

J5

--

--

N

--

Y

--

--

--

Y

--

--

N

--------

Y

C30

0.01u

+/-5%

J5

12Hrs PM

J2

J112Hrs AM

J3

12/24 Hrs

J450/60 Hz

SW5

SNOOZE

24Hrs

2345678

IC2LM8560/SC8560/TMS3450

25

26

27

28 1

SW6

9

101112131415

17

18

19

20

21

22

23

24

D8

1N4148

AL-OFF

SW11 MIN

SW10 HOUR

D9

D10

1N4148

1N4148

SW7

SLEEP

AL

TIME

SW9

SW8

PDF created with FinePrint pdfFactory Pro trial version www.pdffactory.com

R7
6K8

VR1
D50K

D6

C18
100u

C22

220u

1

2

VCC

3

OUT2

4

CD2822CP/TDA2822M

GND

D18
2R2 1/2W

C27
4u7

C35
20n

1000u/16V

C34
20n

SINGLE ALARM CLOCK AM/FM RADIO

NumberRevisionSize

A3

C260.1u

Q19013G

C37

CR-500 W-Brazil

C28

0.1u

C32
20n

C33
20n

C23

0.1u

R12

4.7

SPEAKER
8ohm 0.5W

C24

0.1u

C25

220u

R25
22K

D16

1N4001

D15

1N4001

EI-35
TRANSFORMER

11

ALEX

AC127V/220V

60Hz

R17

R16
100K

NF18OUT1

7

IN1

IC2

6

IN2

5

NF2

C39

0.1u

D11

1N4001

D17

1N4001

D14
1N4001

Title

Date:18-Aug-2006Sheet of
File:C:\Documents and Settings\daiwa-eng-001\\Copy of CR-500 Brazil Single alarm clock radio.DDB桌面Drawn By:

R8

sw2a

10K

R9

R21

100K

10K

R20
8K2

R11
100K

sw2b

OFF/ON/AUTO/ALARM

D18
1N4148

C20

0.0047u

+/-5%

C21 50P or 51p

39-1/2W

C38

R18

10u

39-1/2W

D12

1N4001

C31
1n

C42

1u

Q2

9014C

R10
1K

C19
220uR24

D4

1N4148

R14
680

D7

1N4148

1N4148

D

C

B

A

A