1

DPR-2/RD-5FM/DAB RECEIVER

CONTENTS

Specification ………………………………………………………………………………………………………2-3Block Diagram …………………………………………………………………………………………..…………..4Main PCB Top View…………………………………………………………………………….……….……………5Main PCB Bottom View.………………………………………………………………………….……..………..…..6Volume Tone PCB Top View………………………………………………………………………….……7Volume Tone PCB Bottom View………………………………………………………………………………8Key PCB Top &Bottom View………………………………………………………………………………9LCD PCB Top View………………………….………………………………………………………………………10LCD PCB Bottom View……………………….………………………………………………………………………11Power PCB Top View……………………….………………………………………………………………………12Power PCB Bottom View…………………….………………………………………………………………………13Wiring Diagram..….………………………………………….………………….….……………..……….14Troubleshooting Flow Chart..….………………………………………….……………….….……………..….15Electrical Parts List………………………………………………………………………………....……………16-18Mechanical Parts List……………………………………………………………………….………….………….19-20Exploded Views.…………………………………………………………………………….…………….………21IC Circuit Block Diagram…………………………………………..…………….………………………………22-24IC and Transistor Voltage Chart….……………………………..…………………………….…………………25-27Semiconductor Lead Identifications……………………………………………………………………..……..…28Schematic Diagram………………………………………….……………………………………………………29-30

2

SPECIFICATIONFM. ELECTRICAL PERFORMANCE

Model: DPR-2 Brand: Temp: 25 R.H.:75 % Date: 2004.01.28

Condition Value Test no. Test Item

Input Output freq Nom. Lim 1. 2. Unit

Min 87.5 Tuning Range S/N=6dB

Max 108 MHz

Intermediate freq. S/N=6dB 38.912 0.04 MHz

Max. Sensitivity S/N=6dB 90MHz98MHz

106MHz

333

999

dBuEMF

Usable Sensitivity S/N=30dB90MHz98MHz

106MHz

999

151515

dBuEMF

Image Rejection S/N=6dB 106MHz 24 18 dB I.F. Rejection S/N=6dB 90MHz 50 dB

3db Limiting 80dBu 12 18 dBuEMF

Min. output 1.5 3.0 mVrms

Auto. Scan. Stop. Sens. 12 18 dBuEMF

S/N(200mV)75kHz/Dev. 56 46 dB

Stereo separation 1KHz 26 20 dB

Current Consumption 370 410 mA

Am. Suppression (1mV) 32 26 dB

100 200 Hz Audio fidelity DBB Off 75kHz (-3dB W/pre emphasis)

60dBu R. O.

10K 8K Hz

AC 900 700 Output Power(75KHz dev.)

TONE MAX,DBB ON DC10%T.H.D.

800 600 mW

T. H. D. (75KHz dev.) 1 3 %

Over load capacity 10%T. H.D.

98MHz

100 90 dBuEMF

Lowest Batt. Volt. 60dBu 98MHz 4.3 V

Tone Max DBB Off 10K -15 -10 dB

Supply Voltage: DC 6 V ; AC230V / 50Hzz

R.O.: 50mW Load: 4 Ohm Modulation: 1k Hz Mod./22.5KHz

Deviation

Remark:AC IN Accoding Area, TONE CENTER DBB OFF ( ) ( ) : ( ) ( ) ( ) : ( ) ( ) ( ) :

Approved by

1/28

Released/Tested by

3

DAB(BAND ) ELECTRICAL PERFORMANCE

Model: DPR-2 Brand: Temp: 25 R.H.:75 % Date: 2004.01.28

Test no.Test Item Condition CH Limit Typica

l 1. 2. Unit

Min 5A CH RF Freq. Range

Max 13F CH

Adjacent Channel Selectivity

Fc : -70 dBm (Wanted channel)Fi : -38 dBm (Unwanted channel) (Measurement to EN50248)

10A 32 35 dB

Far-off Selectivity

Fc : -70 dBm (Wanted channel)Fi : -25 dBm FM 75Khz/dev. Fc (Unwanted channel) (Measurement to EN50248)

10A 45 55 dB

5A -94 -97 dBm

10A -95 -98 dBm

12B -95 -98 dBmSensitivity Without pop noise

13F -94 -97 dBm

S/N Ratio Without pop noise 10A 40 dB

Max. input Signal : Without pop noise 10A -10 0 dBm

5A -97 -101 dBm

10A -98 -101 dBm

12B -98 -101 dBm

AcquisitionSelectivity

(Measurement to EN50248)

13F -97 -101 dBm

Supply Voltage: DC : 6V AC : 230 V/ 50 Hz

R.O. : 50mW Load: 4 Ohm Modulation :1kHz

Channel Freq.( MHz) Channel Freq.( MHz) Channel Freq.( MHz)

5A 174.928 10A 209.936 12B 225.648

13F 239.200 Remark:AC IN Accoding Area, TONE CENTER DBB OFF ( ) ( ) : ( ) ( ) ( ) : ( ) ( ) ( ) :

Approvedby

1/28

Released/Tested by

4

BLOCK DIAGRAM

14

Wiring Diagram

15

TROUBLESHOOTING FLOW CHART Power can not be turned on

No Check Pin14 of IC1 is VCC.

Check whether the Pin1 of IC1 is High Level.

Yes

Yes Check SW1 and IC1.

No Check Q400 402 and Q404.

Check whether the Q400 C isHigh Level.

Yes

No Check whether the Pin5 of IC3 is3.3V.

Check Pin4 of IC3 is 0.7V up and Q6 D4 L2 IC3.

Yes

No Check L1 D3 and IC2. Check whether the Pin3 of IC2 is

5.0V.

Yes

No

Check whether the Pin1 of RS 200Module is 5.0V and the Pin5 is 3.3V.

Yes

Check RS 200 Module.

16

ELECTRICAL PATS LIST

17

18

19

MECHANICAL PARTS LIST

20

1

2

3

4

5

6

7

9 9 9

10

11

12

12

13

14

15

17

17

17

17

17

17

22

22

22

22

23

23

23

23

24

24

25

26

26

27

28

29

30

30

31

3132

33

34

35

36

38

39

40

41

42

42

44

43

45

45

45

45

45

45

45

45

45

45

45

45

45

45

51

51

51

47 4

74

7

47

47

47

47

46

46 48

49

49

49

49

50

50

51

51

51

50

50

50

50

50

50

50

19

18

18

18

18

18

8

16

20

20

20

EX

PLO

DE

DV

IEW

EX

PLO

DE

DV

IEW

16

21

22

IC CIRCUIT BLOCK DIAGRAM

1. IC1 – TC4013BF

2. IC2 – XC6371A501PR

23

3. IC3 – XC6365A333MR

4. IC301 – NJM2100L

1

2

34

5

24

5. IC302 – AN7142

25

IC AND TRANSISTOR VOLTAGE CHART

IC1 – TC4013BF IC2 – XC6371A501PR IC302 – AN7142

PIN FM DAB LIGHT PIN FM DAB PIN FM DAB

1 5 5 4.8 1 0 0 1 0 0

2 0 0 0 2 5.0 5.0 2 1.3 1.3

3 0 0 0 3 3.2 3.2 3 0 0

4 0 0 0 4 0.6 0.6

5 0 0 0 5 5.7 5.7

6 0 0 0 6 0 0

7 0 0 0 7 3.0 3.0

8 0 0 0 IC3 – XC6365A333MR 8 0 0

9 5.9 5.9 0 PIN FM DAB 9 0 0

10 0 0 0 1 3.0 3.0 10 3.1 3.1

11 0 0 0 2 5.9 5.9 11 5.9 5.9

12 5.9 5.9 0 3 0 0 12 5.7 5.7

13 0 0 4.9 4 1.4 1.4 13 0.6 0.6

14 5.9 5.9 5.6 5 3.3 3.3 14 0 0

15 1.3 1.3

16 5.9 5.9

IC301 – NJM2100LD

PIN FM DAB

1 5.9 5.9

2 2.9 2.9

3 2.9 2.9

4 0 0

5 0 0

6 2.9 2.9

7 2.9 2.9

8 2.9 2.9

26

MODUL1–RS200

PIN FM DAB PIN FM DAB PIN FM DAB

1 5.0 5.0 18 1 1 35 0 0

2 0 0 19 2.9 1 36 0 0

3 0 0 20 1.2 1 37 3.1 3.1

4 0 0 21 0.9 1 38 3.3 0

5 3.3 3.3 22 0.7 1 39 0 0

6 3.3 3.3 23 0.7 1 40 1.5 1.5

7 3.3 3.3 24 0.6 1 41 1.65 1.65

8 3.3 3.3 25 0 0 42 1.65 1.65

9 3.3 3.3 26 0 0 43 1.7 2

10 3.3 3.3 27 3.3 3.3 44 0 0

11 0 0 28 0 0 45 0 0

12 0 0 29 0 0 46 0 0

13 3.3 3.3 30 3.3 3.3 47 0 0

14 3.3 3.3 31 0 0 48 0 0

15 3.3 3.3 32 3.3 3.3 49 0 0

16 3.3 3.3 33 3.3 3.3 50 0 0

17 0.6 1 34 3.3 3.3

PS

1 0.5V

2.5V

2 0.3V

1.7V

0.3V

Transistor

27

FM DAB LIGHT FM DAB FM DAB

E 0 0 0.1 E 0 0 E 5.9 5.9

C 3.6 3.6 0.2 C 0 0 C 5.9 5.9 Q1

B 0 0 0.9

Q301

B 0 0

Q400

B 5.2 5.2

E 5.0 5.0 E 0 0 1 0 0

C 0 0 C 5.9 5.9 2 0.7 0.7 Q2

B 5.0 5.0

Q302

B 0 0 3 1.3 1.3

E 0.8 0.8 E 0 0 4 0.7 0.7

C 3.2 3.2 C 0 0 5 0.7 0.7 Q3

B 1.4 1.4

Q303

B 0 0

Q401

6 0.7 0.7

E 0.8 0.8 E 1.4 1.4 1 0 0

C 3.2 3.2 C 1.4 1.4 2 0 0 Q4

B 1.4 1.4

Q304

B 1.9 1.9 3 0 0

1 0 0 E 5.9 5.9 4 1.3 1.3

2 0 0 C 5.9 5.9 5 0 0

3 0.6 0

Q305

B 5.3 5.3

Q402

6 1.3 1.3

4 0 0 E 0 0 1 5.3 5.3

5 0.6 0 C 0 0 2 4.7 4.7

Q5

6 0 0

Q307

B 0.65 0.65 3 0 0

D 5.9 5.9 E 0 0 4 0 0

S 3.3 3.3 C 0.65 0.65 5 0.6 0.6 Q6

G 2.9 2.9

Q309

B 0 0

Q404

6 3.3 3.3

E 0 0 0 1 0 0

C 0 0 0.1 2 0 0 Q7

B 0.7 0.7 0.8 3 0 0

1 0 0 4 1.4 1.4

2 0 0 5 0 0

3 0 0

Q310

6 1.4 1.4

4 0 0

5 0 0

Q8

6 0 0

1 3.3 3.3

2 3.3 0

3 3.3 0

4 0 0

5 3.3 3.3

Q9

6 0 0

28

Semiconductor Lead Identification

A

A

C

A

A

3

6

C

C B E C

E

B

1SS314

C

C

2SA812

2SC1623

2SA10201 2

4 5

C

E

A

A

C

C

2SC4154

B

IN5817

2SB772

ZENER6.8V

MM4148RLS4148

1N54011N4002

Diodes

(E:Emitter C:Collector B:Base S:Source G:Gate D:Drain

(A:Anode C:Cathode)

HN2A01FUHN2SC01FU

Transistors

29

SCHEMATIC DIAGRAM

30