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
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