Sangean DPR-15 Manuale utente
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
Ad
j
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
2
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
Ad
j
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
3
IC500, IC501
R
L
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
5V
IC5
Key
SW2 - SW11
VR
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
4
MAIN PCB BOTTOM VIEW
6
LCD PCB TOP VIEW
7
LCD PCB BOTTOM VIEW
8
POWER PCB TOP VIEW
9
WIRING DIAGRAM
10
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