Sangean WR-11 Service Manual
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Sangean WR-11 Service Manual

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Table of Contents

See also: Instruction Manual
2 Bands Radio Receiver
Exploded Views
WR-11
CONTENTS
Rev.C: IC LA1805 end of life
Date:2014/6/10
Service manual & End User Notes
Compliments: RealOldiesRadio.com
2-5
6
7
8
9
10
11
12-14
15-17
18-19
20
21-25
26
27-29
30

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Summary of Contents for Sangean WR-11

  • Page 1: Table Of Contents

    WR-11 2 Bands Radio Receiver CONTENTS Specification Block Diagram Main PCB Top View Main PCB Bottom View PCB-P Top View PCB-P Bottom View Wiring Diagram Troubleshooting Flow Chart 12-14 Electrical Parts List 15-17 Mechanical Parts List 18-19 Exploded Views IC Circuit Block Diagram...

  • Page 2: Specification

    Specification FM. ELECTRICAL PERFORMANCE Model：WR-11(FCC) Brand： SANGEAN Date： 2014/5/26 Temp： 25∘C R.H： 75% Condition Value Test Item Unit Input Output freq Nom. Lim. S/N=6dB 87.5 Tuning Range S/N=6dB 108.2 Max. Sensitivity S/N=6dB dBμ Usable Sensitivity S/N=30dB dBμ Stereo Ind. Sens.
  • Page 3 Specification AM ELECTRICAL PERFORMANCE Model：WR-11(FCC) Brand： SANGEAN Date： 2014/5/26 Temp： 25∘C R.H： 75% Condition Value Test Item Unit Input Output freq Nom. Lim. S/N=6dB Min. Tuning Range S/N=6dB Max. 1730 1715 603/600 k Max. Sensitivity S/N=6dB 999/1000k dBμ/m 1404/1400k 603/600 k...
  • Page 4 Specification AUX-IN ELECTRICAL PERFORMANCE Model：WR-11(FCC) Brand： SANGEAN Date： 2014/5/26 Temp： 25∘C R.H： 75% Value Test Item Condition Unit Nom. Lim. AUX IN=0.5V/100Hz Output Power THD=10% AUX IN Output=R.0 /THD=<3% Vrms Dynamic Range AUX IN=100Hz AUX IN=100Hz I/S (Input Sensitivity) OUTPUT @ THD 10% ±50...
  • Page 5 Specification BLUETOOTH ELECTRICAL PERFORMANCE Model：WR-11(FCC) Brand： SANGEAN Date： 2014/5/26 Temp： 25∘C R.H： 75% Value Test Item Condition Unit Nom. Lim. Transferring distance Directive distance >10 access time for link <15 MP3 1KHz 0dB 100Hz Playing Frequency Response 128kbps 10KHz Output = 50mW...

  • Page 6: Block Diagram

    BLOCK DIAGRAM...

  • Page 7: Main Pcb Top View

    MAIN PCB TOP VIEW...

  • Page 8: Main Pcb Bottom View

    MAIN PCB BOTTOM VIEW...

  • Page 9: Pcb-P Top View

    PCB-P TOP VIEW...

  • Page 10: Pcb-P Bottom View

    PCB-P BOTTOM VIEW...

  • Page 11: Wiring Diagram

    WIRING DIAGRAM...

  • Page 12: Troubleshooting Flow Chart

    TROUBLESHOOTING FLOW CHART Power can not be turned on Check whether the PT300 is normal. Check whether the Q400 is normal, check whether the C306 must have must have voltage is 12Vdc. voltage is 12Vdc. Check whether the IC402 is normal, Check whether the IC402 input is must have voltage is 8Vdc.
  • Page 13 (3) Bluetooth cannot be turned on Note: Check smartphone or tablet whether the bluetooth function is turned on, smartphone or tablet bluetooth should be searched for SANGEAN WR-11 ◎Check whether the Q21 is normal, Check whether the bluetooth module Is normal.
  • Page 14 (5) Cannot be output sound Check whether the IC400 is normal, pin3 must have voltage is 12Vdc. Check whether the IC400 is normal, Check whether the C420 is normal, pin6&7must have voltage is 6Vdc. must have voltage is 12Vdc.

  • Page 15: Electrical Parts List

    ELECTRICAL PARTS LIST WR-11 000YE0S1C Date：2014/05/22 PART NO. DESCRIPTION Q'TY REMARK 1012892 CH IC XC62FP2002PRN IC4, 1013663 CH IC UTC4580E SOP8 IC401, 1013760 IC L7808CV TO-220 IC402, 1014010 CH IC XC61CN2402MRN IC5, 1014821 CH IC HEF4066BT IC3, 1015240 CH IC LD1117AL33 AA3-AR...
  • Page 16 ELECTRICAL PARTS LIST WR-11 000YE0S1C Date：2014/05/22 PART NO. DESCRIPTION Q'TY REMARK 17062215802U CNT/W-S 220(2.5+8P) CN5-WIRE, 170A7001203U W-A/2 70(3+3) LED WIRE, 170D700E201U W-S/2 70(5+5) F_TERMINAL, 1720333 X'FM 120V 11V/1A UL PT300A, 1900431 F FEMALE BULKHEAD 1A0529650MCU W-A/1 650(3+0) WHT FM WIRE, 1A8000010 W/JUMP 5(10)0.6mm...
  • Page 17 ELECTRICAL PARTS LIST WR-11 000YE0S1C Date：2014/05/22 PART NO. DESCRIPTION Q'TY REMARK 61301103 CH RD 10KJ-0603 R16,R413,R414,R427,R436, 61301104 CH RD 100KJ-0603 R1,R9,R10,R420,R421, 61301121 CH RD 120J-0603 R500, 61301220 CH RD 22J-0603 R11,R13, 61301222 CH RD 2K2J-0603 R403,R404,R428, 61301223 CH RD 22KJ-0603...

  • Page 18: Mechanical Parts List

    MECHANICAL PARTS LIST 000YE0S1C WR-11 Date:2014/5/21 Ref no PART NO. DESCRIPTION Q'TY DWG NO. REMARK 2000K60000A BAR ANT HOLDER A4-WR1-06A 2000K600500 BUSHING A4-WR1-57 2000K600300 GEAR DRUM A3-WR1-07A 2000K600400 PHONE JACK HOLDER A3-WR1-25A 2000K6A020A POINTER CHASSIS A1-WR1-09A/10A 21004901200 ANT TERMINAL PIN...
  • Page 19 MECHANICAL PARTS LIST 000YE0S1C WR-11 Date:2014/5/21 Ref no PART NO. DESCRIPTION Q'TY DWG NO. REMARK 3280K60000040 POINTER A3-WR1-08A 3290S10000010 LED LIGHT LENS A4-S1-08A 3310S10000010 WOOD CASE A3-S1-11A 29S10108002 SCREW PTP 2x8(NI) POINTER CHASSIS 2400K600100 ANT RUBBER A4-WR1-36A REAR CABINET 29S09990018 SCREW JMP 3×8 NI...

  • Page 21: Ic Circuit Block Diagram

    IC CIRCUIT BLOCK DIAGRAM IC1 — Si4835-B30-GU IC2 — LD1117AL33...
  • Page 22 IC3 — HEF4066BT IC4 — XC62FP2002PRN...
  • Page 23 IC5 — XC61CN2402MRN IC20 — M2115...
  • Page 24 IC21 — TC7W53FU IC400 — TDA7266SA...
  • Page 25 IC401 — UTC4580E 10. IC402 — L7808CV...

  • Page 26: Semiconductor Lead Identifications

    SEMICONDUCTOR LEAD IDENTIFICATIONS Transistors (TOP VIEW) 2SA812 2SB834L 2SJ621 2SC1623 (E: Emitter C: Collector B: Base S: Source G: Gate D: Drain) Diodes FR204 MM4148 SR240 (A: Anode C: Cathode)

  • Page 27: Ic And Transistor Voltage Chart

    IC AND TRANSISTOR VOLTAGE CHART IC1 — Si4835-B30-GU IC3 — HEF4066BT IC2 — LD1117AL33 IC4 — XC62FP2002PRN IC5 — XC61CN2402MRN INPU INPU INPU IC20 — UTCM2115 IC21 — TC 7W53FU IC401— UTC4580E...
  • Page 28 IC400 — TDA7266SA IC402 — L7808CV INPU...
  • Page 29 Transistor Q400 11.6 11.6 11.6 11.6 Q401 Q402...

  • Page 30: All Schematic Diagram

    ALL SCHEMATIC DIAGRAM...

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