Sangean WR-11 User manual

Rev.C: IC LA1805 end of life

Date:2014/6/10

WR-11

2 Bands Radio Receiver

CONTENTS

Specification 2-5

Block Diagram 6

Main PCB Top View 7

Main PCB Bottom View 8

PCB-P Top View 9

PCB-P Bottom View 10

Wiring Diagram 11

Troubleshooting Flow Chart 12-14

Electrical Parts List 15-17

Mechanical Parts List 18-19

Exploded Views 20

IC Circuit Block Diagram 21-25

Semiconductor Lead Identifications 26

IC and Transistor Voltage Chart 27-29

All Schematic Diagram 30

Specification

FM. ELECTRICAL PERFORMANCE

Model：WR-11(FCC) Brand：SANGEAN

Temp：25∘C R.H：75% Date：2014/5/26

Condition Value

Test Item Input Output freq Nom. Lim.

Unit

S/N=6dB Min 87.5 88

Tuning Range S/N=6dB Max 108.2 108

MHz

90 8 14

98 8 14

Max. Sensitivity S/N=6dB

106 8 14

dBμ

90 15 21

98 15 21

Usable Sensitivity S/N=30dB

106 15 21

dBμ

Stereo Ind. Sens.

75K DEV 106MHz dB

Stereo Separation(1KHz)

75K DEV (PILOT ON) 98MHz dB

3db Limiting(1mV) 98MHz 8 14 dBμ

Min. output 60dBμ98MHz 0.5 2 mv

Tuning Indicator Sens. 98MHz 16 22

Auto Tuning Stop Sens. 98MHz dBμ

Current Consumption 60dBμ

Rated output

98MHz 200 300 mA

S/N Ratio 60dBμ98MHz 50 44 dB

Am. suppression 60dBμ98MHz 46 30 dB

Speaker8Ω6.5 6 W

Output Power

Mod. 75kHz@100Hz Load 32Ω10% THD 98MHz 5+5 3+3 mW

T.H.D. (75KHz dev.) R.O. 98MHz 1 3 %

90M

96M

Calibration S/N=6dB

104M

±1000 KHZ

Over load capacity 10% THD 98MHz >106 dBμ

50 30 HZ

Audio-fidelity-3dB

(W/Pre-emphasis)50uS

CE-VERSION(CE-Europe)

60dBμ98MHz 15K 12K HZ

50 30 HZ

Audio-fidelity-3dB

(W/Pre-emphasis)75uS

US-VERSION(FCC-USA)

60dBμ98MHz 15K 12K HZ

REC OUT LEVEL

FM DEV=22.5KHZ 60dBμ@1KHZ 98MHz 130 +80/-40 mV

Supply Voltage：

AC120V/60Hz(USA) R.O：50mW Load：8 Ohm

Modulation：Dev.22.5kHz@1KHz

Remark：REC out Load =10Kohm

USA - Test output power to the

speaker load

Approved by：Released / Tested by：

Specification

AM ELECTRICAL PERFORMANCE

Model：WR-11(FCC) Brand：SANGEAN

Temp：25∘C R.H：75% Date：2014/5/26

Condition Value

Test Item Input Output freq Nom. Lim.

Unit

S/N=6dB Min. 520 525

Tuning Range S/N=6dB Max. 1730 1715

kHz

603/600 k 48 54

999/1000k 48 54

Max. Sensitivity S/N=6dB

1404/1400k 46 52

dBμ/m

603/600 k 52 58

999/1000k 50 56

Usable Sensitivity S/N=

20dB

1404/1400k 50 56

dBμ/m

600k 18 24 dBμ

1000k 18 24 dBμ

AM EXT. ANT

Usable Sensitivity

(USA/Tw Only)

S/N=

20dB 1400k 18 24 dBμ

T. H. D. 74dBu/m R.O 1 3 %

Auto Tuning Stop Sens. dBμ

Tuning Indicator Sens. 40 50 dB

S/N Ratio 74dBu/m 38 32 dB

Current Consumption R.O 200 300 mA

100 Hz

Audiofidelity

(-6dB) 1K=0dB 2 KHz

Output power

Mod 80% @ 100Hz 94dBμ/m 10%THD 6.5 6 W

Over Load Capacity 80% 10%THD 100 >90 dBμ/m

A. G. C. F. O. M. 100dBμ/m

999/1000

KHZ

50 40 dB

700 ±60

1200 ±60

Callbration

1700 ±60

Whistle Modulation 74dBu/m

Supply Voltage：

AC120V/60Hz(USA) R.O：50mW Load：8 Ohm

Modulation：Dev.30% @400Hz

Remark：USA Test output power to

the speaker load

Approved by：Released / Tested by：

Specification

AUX-IN ELECTRICAL PERFORMANCE

Model：WR-11(FCC) Brand：SANGEAN

Temp：25∘C R.H：75% Date：2014/5/26

Value

Test Item Condition Nom. Lim. Unit

Output Power AUX IN=0.5V/100Hz

THD=10% 6.5 6 W

AUX IN

Dynamic Range

Output=R.0 /THD=<3%

AUX IN=100Hz 1.2 1 Vrms

I/S (Input Sensitivity)

AUX IN=100Hz

OUTPUT @ THD 10%

Volume=MAX

320 ±50 mV

0.1 <0.4 %

DISTORTION AUX IN =I/S 1KHz

OUT=R.O

MIN OUTPUT AUX IN =I/S 1KHz

Volume=MIN 0.5 <2 mV

S/N RATIO AUX IN =I/S 1KHz&GND

OUT=R.O (weighted DIN audio) 60 52 dB

100HZ 10 8

Frequency Response AUX IN=0.5V/1KHz

OUT=50mW=1kHz=0db 10KHZ 4 2

REC OUT LEVEL AUX IN=(-10dB)300mV@1khz 310 ±80 mV

Supply Voltage：

AC 120V/60Hz(USA) R.O：50mW Load：8-OHM

Remark：REC out Load =10Kohm

USA - Test output power to the

speaker load

Approved by：Released / Tested by：

Specification

BLUETOOTH ELECTRICAL PERFORMANCE

Model：WR-11(FCC) Brand：SANGEAN

Temp：25∘C R.H：75% Date：2014/5/26

Value

Test Item Condition Nom. Lim. Unit

Transferring distance Directive distance >10 m

access time for link <15 Sec

100Hz 7 5 dB

Playing Frequency Response

MP3 1KHz 0dB

128kbps

Output = 50mW 10KHz 4 2 dB

S/N Ratio MP3 1KHz 0dB 128kbps

weighted- DIN audio;@500mW 70 60 dB

THD Of Playing MP3 1KHz 0dB 128kbps

weighted- DIN audio; @500mW <1 %

Current Consumption MP3 1kHz 0dB 128kbps

Output = R.O=@500mW 330 400 mA

Output power MP3 1kHz 0dB 128kbps

T.H.D. = 10% 6.5 6 W

REC OUT LEVEL MP3 1kHz 0dB 128kbps 920 ±150 mV

Supply Voltage：

AC120V/60Hz(USA) R.O：500mW Load：8Ω

Remark：USA - Test output power to

the speaker load

No Bluetooth feature, this page

without testing

REC out Load =10Koh

Approved by：Released / Tested by：

SP1

8Ω

AM ANT

F-Terminal

FM RF IN

RESET IC

IC5

VCC-8V

VCC-3V3

VCC-8V

BACKLIGHT

LED500-502

TUNINGLED

CONTROL

AUDIO

VCC-8V

REG2

IC4

XC62FP200

Bluetooth

vcc-control

Q20,21,22

REG3V3

IC2

LD1117AL

POWER

Q400 , 401

TO-IC400

Q23

BT LED

CONTROL

Volume

VR200

AUX_IN

JACK

AUDIO-OUTPUT

AUDIO-L/R

AM/FM SWITCH

IC3-T4066 Band Switch

SW200

TUNER IC

IC1-SI4835

AUDIO SWITCH

IC21-TC7W53FU

TUNING VR

VR2

Bluetooth-MD OP-AMP-IC20

UTC2115M

REC_OUT

JACK

Headphone

JACK

POWER AMP

IC400-TDA7266SA

AC IN JACK

120V or 230V

DC IN

JACK-12V

PT300 &

Rectifier

Reg. 8V

IC402

AM LED 503

FM LED 504

BT LED 506

EQ AMP-IC401

UTC4580

BLOCK DIAGRAM

MAIN PCB TOP VIEW

MAIN PCB BOTTOM VIEW

PCB-P TOP VIEW

PCB-P BOTTOM VIEW

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