Sangean DPR-15 User manual

DPR-15/RD-15

DAB DIGITAL RADIO

CONTENTS

Specification ………………………………………………………………………………………………………2-3

Block Diagram …………………………………………………………………………………………..…………..4

MAIN PCB Top View…………………………………………………………………….……….………….…..5

MAIN PCB Bottom View……………..………………………………………………….……….………….…...6

LCD PCB Top View…………………………………………………………………………….……….……………7

LCD PCB Bottom View.………………………………………………………………………….……..………..…..8

POWER PCB TOP View.……………………………………………………………………….……..………..…..9

Wiring Diagram..….………………………………………….………………….….……………..……….10

Troubleshooting Flow Chart..….………………………………………….……………….….……………..……11

Electrical Parts List………………………………………………………………………………....……………12-13

Mechanical Parts List……………………………………………………………………….………….………….14

Exploded Views.…………………………………………………………………………….…………….……………15

IC Circuit Block Diagram…………………………………………..…………….………………………………16-18

Voltage Chart………………….……………………………..…………………………….…………………19-20

Semiconductor Lead Identifications……………………………………………………………………..……..…21

MAIN Shematic Diagram……………………………………….……………………………………………………22

LCD Shematic Diagram……………………………………….……………………………………………………23

SPECIFICATION

DAB(BAND

Ⅲ)

ELECTRICAL PERFORMANCE

Model: DPR-15

Brand: SANGEAN

Temp: 25℃

R.H.:75 % Date: 2004/9/3

Test no.

Test Item Condition CH Limit Typical 1. 2.

Unit

Min 5A CH

RF Freq. Range Max 13F CH

acent Channel

Selectivity

Fc : -70 dBm (Wanted channel)

Fi : ≧-38 dBm

(Unwantedchannel)

(Measurement to EN50248)

10A 30 33 dB

Far-off Selectivity

Fc : -70 dBm (Wanted channel)

Fi : ≧-25 dBm

FM 75Khz/dev. Fc ±5MHz

(Unwantedchannel)

(Measurement to EN50248)

10A 43 53 dB

5A -92 -94 dBm

10A -93 -95 dBm

12B -93 -95 dBm

Sensitivity

Without pop noise

13F -92 -94 dBm

S/N Ratio Without pop noise 10A 50 56 dB

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

5A -96 -99 dBm

10A -97 -100 dBm

12B -97 -100 dBm

Acquisition

Selectivity (Measurement to EN50248)

13F -96 -99 dBm

Output Power

1kHz 10%T.H.D. 800 600 mW

T. H. D. 1 3 %

Low battery

Indication on 10A 4.4 4.2 V

125H

Z +4 +7 dB

FREQ

RESPONSE AT CHANNEL 10A CHANGE

SERVICE AF 8KHZ +4 +7 dB

Supply Voltage：

DC：6V 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

( )The head of product

( )Finished Product

( )Semi-finished Product

( )New Model

( )Client Spot Check

( )Routine Spot Check

( )Engineering Modify

( )Business Sample

Approved by

Released/Tested by

SPECIFICATION

DAB(BAND

Ⅲ)

ELECTRICAL PERFORMANCE

Model: RD-15

Brand: Roberts Temp: 25℃

R.H.:75 % Date: 2004/9/3

Test no.

Test Item Condition CH Limit Typical 1. 2.

Unit

Min 5A CH

RF Freq. Range Max 13F CH

acent Channel

Selectivity

Fc : -70 dBm (Wanted channel)

Fi : ≧-38 dBm

(Unwantedchannel)

(Measurement to EN50248)

10A 30 33 dB

Far-off Selectivity

Fc : -70 dBm (Wanted channel)

Fi : ≧-25 dBm

FM 75Khz/dev. Fc ±5MHz

(Unwantedchannel)

(Measurement to EN50248)

10A 43 53 dB

5A -92 -94 dBm

10A -93 -95 dBm

12B -93 -95 dBm

Sensitivity

Without pop noise

13F -92 -94 dBm

S/N Ratio Without pop noise 10A 50 56 dB

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

5A -96 -99 dBm

10A -97 -100 dBm

12B -97 -100 dBm

Acquisition

Selectivity (Measurement to EN50248)

13F -96 -99 dBm

Output Power

1kHz 10%T.H.D. 800 600 mW

T. H. D. 1 3 %

Low battery

Indication on 10A 4.4 4.2 V

125H

Z +4 +7 dB

FREQ

RESPONSE AT CHANNEL 10A CHANGE

SERVICE AF 8KHZ +4 +7 dB

Supply Voltage：

DC：6V 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

( )The head of product

( )Finished Product

( )Semi-finished Product

( )New Model

( )Client Spot Check

( )Routine Spot Check

( )Engineering Modify

( )Business Sample

Approved by

Released/Tested by

IC500, IC501

JK302

HP Jack

Light

Control

D300, Q1

Q11, Q12

Stereo or

Mono Switch

Light

D500, D501

IC3

Main AMP

Power

Key

SW1

LCD

DC/DC

IC5

Key

SW2 - SW11

IC2

Pre AMP

Q10

Q2, Q9

MUTE

Q8, Q7

D13, Q6

Power SW

DC/DC

3.3V

IC4, Q14

DAB MODUL

DC Jack

JK302

IC1

Power Control

Q4, Q5

Q13, LED1

Low Batt

Dectector

BLOCK DIAGRAM

MAIN PCB BOTTOM VIEW

LCD PCB TOP VIEW

LCD PCB BOTTOM VIEW

POWER PCB TOP VIEW

WIRING DIAGRAM

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