WFR-20

Wi-Fi Internet Radio

CONTENTS Specification 2Block Diagram 3Main PCB Top View..4Main PCB Bottom View........5Control PCB Top View..6Control PCB Bottom View......7Wiring Diagram.........8Troubleshooting Flow Chart.........9-12Electrical Parts List....13-15Mechanical Parts List...16Exploded Views...17IC Circuit Block Diagram...18-21IC and Transistor Voltage Chart....22-25Semiconductor Lead Identifications....26Main Schematic Diagram.27Control Schematic Diagram.28

Specification AUX-IN & LINE OUT ELECTRICAL PERFORMANCE

Model: WM201 Brand: ROBERTS Temp: 25 R. H. : 75 % Date:2007/6/14 Condition Value Test No.

Test Item Input Output Freq. Nom. Lim. 1. 2.

Unit

4.5 3.5 W Output Power SP/HP AUX IN= 1V/100Hz THD=10% 2.8 2 mW

AUX IN Dynamic Range

Output=R.0 (ATT=0) THD=3% AUX IN=1K

1 0.5 V

I/S (Input Sensitivity) AUX IN=100HzATT=0 THD=10% Volume=MAX

200 50 mV

0.1 0.4 DISTORTION SP/HP AUX IN =I/S 1KHz OUT=50mW/1mW 0.1 0.4

%

0.2 1 MIN OUTPUT SP/HP AUX IN = GND Volume= 1step 0.1 0.5

mV

S/N RATIO AUX IN =I/S 1KHz&GND OUT=R.O with 20kHz LPF 65 55 dB

100 8 5 Frequency Response AUX IN=I/S/1KHzOUT=50mW=0dB 10K 8 5

dB

LINE OUT LEVEL (REC OUT IMPD=10K) MP3 1KHz 128kbps 1000 80 mV

LINE OUT S/N (REC OUT IMPD=10K)

MP3 1KHz 128kbps with 20kHz LPF 65 55 dB

LINE OUT THD MP3 1KHz 128kbps 0.1 0.4 %

MP3 1KHz 128kbps 65 55 dB Channel Separation with 20kHz LPF AUX IN=I/S/1KHz 65 55 dB

127Hz 0 2 LINE OUT Frequency Response

10007Hz 0 2 dB

Supply Voltage: AC230V/50Hz SP/HP R.O.: 50mW/1mW Load: 8/32 Ohm Modulation: 1KHz/30% Mod Remark: ( ) ( ): ( ) ( ) ( ): ( ) ( ) ( ):

Approved by Released/Tested by

2

BLOCK DIAGRAM

3

MAIN PCB TOP VIEW

4

MAIN PCB BOTTOM VIEW

5

CONTROL PCB TOP VIEW

6

CONTROL PCB BOTTOM VIEW

7

WIRING DIAGRAM

8

TROUBLESHOOTING FLOW CHART

( 1 ) Power can not be turned on

Yes Check EN301.

Check whether the pin 36 of IC4

is 3.3V DC.

No

Yes

Check whether the pin 2 of CN1 is

3.3V DC.

Check whether the pin 2 of J302 is 3.3V DC.

No Yes

Check whether the pin 3 of IC2 is

3.3V DC.

Check IC304.

No

Check T1.

( 2 ) Wireless does not work

Yes

Check whether the wireless adaptor

can normally work.

Check whether the wired is selected

or inserted.

No

Yes

Check whether the pin1 of W301 is

about 5V DC

Check whether module1 can work

normally.

No

Yes

Check whether the pin4 of W305 is

5V DC.

Check Q303, Q306.

No

No

Check T1.

Check whether the pin3 of IC1 is

5V DC.

9

( 3 ) Wired does not work

Yes

Check whether JK5 (RJ45 jack) can

normally work.

Check whether IC5 can normally

work.

No

Yes change JK5(RJ45 jack).

Check whether the pin37&39 of IC4

transmit correct data.

No

Yes

Check whether the W302 circuit can

normally work.

Check Q303, Q306 circuit.

No

Check whether J302 can normally

work, especially pin 24, 26.

No

No

Check whether IIS circuit can

normally work.

Check whether wireless is selected

for software.

Yes

Check whether wireless is selected.

10

( 4 ) LCD does not display

No

Check the Q301 circuit.

Check whether the pin17 of LCD is

3.3V DC and the boost circuit can

normally work.

Yes

No Check MODULE.

Check whether the J303 (module)

can normally work

Yes

Power off or factory reset, then

power on again.

( 5 ) speaker and headphone can not output

Check whether the speaker is

Normal.

Yes

Yes Check L303316 circuits.

Check whether IC302 audio amplifier

circuit can normally work.

No

No

Check whether the IIS circuit is

normal.

Check J302 (module).

Yes

Check whether pin47 of IC302 is

9V DC.

No

No

Check whether pin1 of CN1 is 9V DC.

Check Q1, Q2, Q3 circuit is normal.

11

( 6 ) Aux in can not work

Yes

Check whether W303 circuit is

Normal.

Check JK3.

No

No Check IC301 circuit.

Check whether IC301 can normally

Work.

Yes

Check whether J301(module) can

normally work.

Yes

Check whether IC302 circuit is

Normal.

( 7 ) Line out can not output

Yes Check W304 and JK4.

Check whether IC303 can normally

Work.

No

Check whether J302 and IIS circuit

can normally work.

12

WFR-20PART NO. DESCRIPTION Q'TY REMARK

1013560-A CH IC XC6203E332PR 2 IC 2,304,1014280-A CH IC XC62FP6002PRN 1 IC 305,1015490-A CH IC AD8256A-KG 1 IC 302,1015500-A CH IC AK4387ET TSSOP16 1 IC 303,1015510-A CH IC AK5357ET TSSOP16 1 IC 301,1015520-A CH IC RTL8150L 1 IC 4,1015530-A CH IC 93LC46BT-I SOIC8 1 IC 5,1015610-A CH IC BA05FP TO252-3 1 IC 1,1020241-A CH TR 2SC1623-T1B-A L7 3 Q 302,303,305,1021000-A TR 2SB772-A2-Q 1 Q 3,1022272-A CH TR 2SC4154-G hFE:400 2 Q 1,2,1030330-A CH FET SI2315DS 3 Q 301,304,306,1041191TA DIODE 1N5817 2 D 1,2,1041360-A DIODE BRIDGE 2A/50V 1 BR 1,1041410-A DIODE BRIDGE W04M 1.5A 1 BR 2,1045140T-A DIODE ZENER Z9.1VB 1 D 3,1046010-A CH DIODE RLS4148 2 D 301,302,1062201-A CH LED WHT HG-SS0335WFZ 4 LED800-803,1133832T-A FIXED COIL 120HK 2 L 309,310,1135101U-A FIXED COIL 1500uH 4 L 301,302,315,318,1150200-A CH Ferrite Bead-C 20 BD 5-10,301-314,1150300T-A FERRITE BEAD 65R 3.5 8 L 305-308,311-314,11629K1-3A FIXED COIL 22uHK 6x6.5 5 L 303,304,316,317,3,1614151-A PCB C WIFI 1.6T/2 1 300.400.800,1614161-A PCB A WIFI 1.6T/1 1 1_199,1620960-A SPK 2.5" 8 8W 2 SP 1,2,1640060-A JACK EP3.5 W/SW BLK 1 JK 1,1640170-A JACK EP 3.5 N/SW GRN 1 JK 3,1640360-A JACK EP3.5 N/SW GRY 1 JK 4,1646050-A AC SOCKET HJC-037AP 1 JK 2,1649310-A USB JACK 1 JK 6,1649351-A JACK RJ45 G7412-080101 1 JK 5,1650660U-A X'TAL 25M+-30PPM 1 X 1,1650661U-A X' TAL 25M+-30PPM1701003-A CNT BASE 2x3P 1 CN 3,1701004-A CNT BASE 2x4P 2 CN 4,5,1701006-A CNT BASE 2x6P 2 CN 1,2,170117A6-A CH CNT BASE 2x20Px2-S 1 J 302,170117K-A CH CNT BASE 2x10Px2-S 2 J 301,303,1705600-A CNT/W 200(2+4P) 1 W 302,1705910-A CNT/W-A 180(2+6P) 1 W 305,1705920-A CNT/WIRE 260(2+3P) 1 W 303,1706260-A CN/W 180(2+6P) 1 W 304,1706270-A CN/W 200(2+4P) 1 W 301,1720730-A X'FM 120V 9V/0.8A UL 1 T 1,1730112-A ROT/ENCO RE111F-41B1-15F 1 EN 301,1900360U-A W/SPK 200(4+2P) 1 W 307,1901000-A W/SPK 150(6+2P)R/B 1 W 306,1901410-A LCD/M WIFI 1 LCD301,1901420-A WLAN/M EW-7318 MUG 1 MODUL1901430-A IR/M RIRM2 1 MODUL444763PT2-A EL 476M 16V 5x11 7 C 306,352,353,400-403,441072PT2-A EL 107M 10V 5x11 3 C 361,391,404,4422711T2-A EL 227M 6.3V 6x8 1 C 346,442272KT0-A EL 227M 10V 6.3x11-T 3 C 355,375,384,

ELECTRICAL PARTS LIST

13

WFR-20PART NO. DESCRIPTION Q'TY REMARK

ELECTRICAL PARTS LIST

441081KT0-A EL 108M 6.3V 8x11.5-T 2 C 396,415,441083KT-A EL 108M 16V 10x16-S 3 C 4,40,41,4433890T-A EL 338M 16V 13x25(5) 3 C 3,13,38,4900023T0-A EL 228M 25V 13x25 105 1 C 12,4B47612-A CH TA 476M 6.3V 3.2x1.6 2 C 362,409,4B47615-A CH TA 476M 6.3V 32165410101-A CH CC 101J 50V NPO-C 17 C 308,310,317,319,320,

322,323,325,327,330,339,349,367,53-56,

5410261-A CH CC 102K 50V X7R-C 17 C 334,335,356,357,371-374,389,390,392-395,413,414,316,

5410361-A CH CC 103K 50V X7R-C 7 C 57-59,419,420,423,426,5410471-A CH CC 104Z 25V Y5V-C 74 C 303,309,311-313,328,

336-338,351,354,358,-360,363,364,366,368370,376-383,385-388,397-399,405-408,410-412,1,2,5-11,14,418,39,42,416,417,15,16,18-20,22-26,28,31-34,37,49,50,

5410556-A CH CC 105Z 16V F-C 9 C 314,318,321,324,326,329,331-333,

5420001-A CH CC 200J 50V NPO-C 4 C 35,36,43,44,5422261-A CH CC 222K 50V X7R-C 2 C 421,422,5427001-A CH CC 270J 50V NPO-C 2 C 29,30,5447001-A CH CC 470J 50V NPO-C 16 C 301,302,304,305,307,

340-345,347,348,359,365,424,

5482261-A CH CC 822K 50V X7R-C 2 C 45,46,5610471-A CH CC 104Z 25V Y5V-B 4 C 17,27,51,52,6130112-A CH RD 1/16W 10J-C 20 R 301,318,346,347,350-

353,359,360,362-365,374,375,20-23,

6130116-A CH RD 1/16W 22J-C 1 R 307,6130124-A CH RD 1/16W 100J-C 6 R 2,3,367,368,380,381,6130128-A CH RD 1/16W 220J-C 3 R 310,325,345,6130129-A CH RD 1/16W 270J-C 4 R 800-803,613012A-A CH RD 1/16W 51J-C 4 R 4,5,7,8,6130136-A CH RD 1/16W 1KJ-C 13 R 309,311-317,342,354,

356,376,378,6130138-A CH RD 1/16W 1.5KJ-C 1 R 6,6130140-A CH RD 1/16W 2.2KJ-C 2 R 348,349,6130144-A CH RD 1/16W 4.7KJ-C 5 R 341,366,369,377,379,6130148-A CH RD 1/16W 10KJ-C 5 R 321,324,343,344,13,6130149-A CH RD 1/16W 12KJ-C 1 R 15,6130150-A CH RD 1/16W 15KJ-C 6 R 329-331,333,335,336,6130154-A CH RD 1/16W 33KJ-C 1 R 357,6130156-A CH RD 1/16W 47KJ-C 2 R 11,14,6130160-A CH RD 1/16W 100KJ-C 2 R 12,361,6130165-A CH RD 1/16W 270KJ-C 1 R 17,6130172-A CH RD 1/16W 1MJ-C 3 R 355,358,370,613018N-A CH RD 1K69F-1608 1 R 9,6130194-A CH RD 1/16W OJ-C 5 R 382,1,10,371,JP21,

14

WFR-20PART NO. DESCRIPTION Q'TY REMARK

ELECTRICAL PARTS LIST

6132137-A CH RD 1/16W 1.2KF-C 1 R 304,6132149-A CH RD 1/16W 12KF-C 2 R 302,305,6132154-A CH RD 1/16W 33KF-C 1 R 308,6132155-A CH RD 1/16W 39KF-C 1 R 306,6132164-A CH RD 1/16W 220KF-C 1 R 303,6180135-A CH RD 1/10W 820J-A 2 R 16,19,64306B6-A RDF 1/2W 0.47J SM15(MG) 1 R 18,6500424-A CH RP 100Jx4-C 4 RP 301,302,304,305,6500436-A CH RP 1KJx4-C 1 RP 303,8000010-A W/JUMP 5(10)0.6mm 7 JP 5,8,9,11,17,18,25,8000030-A W/JUMP 7.5(10)0.6mm 9 JP 1,2,6,7,10,13-15,19,8000040-A W/JUMP 10(10)0.6mm 5 JP 12,16,20,22,23,8141920-A W/PVC 115(3+6)T BLK 1 W 1,

15

Ref no PART NO. DESCRIPTION Q'TY APP./DWG NO. REMARK1 20P1010-A LED FILTER 1 A4-RD22-062 20P1020-A JACK COVER 1 A3-RD22-103 20R1000-A LCD LENS HOLDER 1 A4-R1-014 20R1010-A LIGHT LENS 1 A4-R1-025 21P5060-A TOOTHED LOCK WASHERS 16 22P1000-A HEMELON 4 A4-RD22-177 23K7010-A DOUBLE TAPE 1 A4-WR1-51A8 23P1000-A EVA-A 272x3x1 4 A3-RD22-139 23P1010-A EVA-B 85x3x1 2 A4-RD22-14

10 23P1020-A EVA-C 96x3x1 3 A4-RD22-1511 23P1030-A EVA-D 23x3x1 2 A4-RD22-1612 23P4060-A EVA 85x3 213 23P4071-A EVA 24x1.5 2 A4-DPR25-36A LCD14 23Q5230-A FIBER SPCER 2 A4-Q5-4915 23R1020-A LCD DIFFUSE 1 A4-R1-0416 23R1030-A DOUBLE TAPE 50x12 1 A4-R1-0517 23R1050-A DOUBLE TAPE38x8 1 A4-R1-1218 23R1060-A RUBBER-C 1 A4-R1-0919 23R1070-A EVA 70x3x1 1 A4-R1-1020 24M4080-A SPK EVA 221 24M7020-A FOOT RUBBER 422 24P1000-A RUBBER-A 1 A4-RD22-0723 25R1010-A SNAP RIVET 1 SR-2.7J24 25R1020-A SNAP RIVET B 1 SR-2H25 25R1030-A COMPONET PAD 1 109AC26 301R179-A FRONT CABINET 1 A2-RD22-0127 302R11U-A CHASSIS-UL 1 A2-RD22-0228 303R11U-A BACK COVER-UL 1 A2-R1-0129 305R101-A LCD WINDOW 1 A4-RD22-0330 311R179-A VOLUME KNOB 131 312R179-A VOLUME KNOB BEZEL 1 A4-RD22-0532 347R179-A ANT HOLDER 1 A4-R1-0333 360R179-A ROD ANT 134 372R179-A WOOD CASE 1 A2-RD22-1235 8510000-A W/TIES 100mm 136 9003082-A SCREW JMP 3x8(NI) 3 MAIN PCBx337 9101052-A SCREW PTP 2x5(NI) 3 JACK COV.38 9101082-A SCREW PTP 2x8(NI) 2 JACK COV.-BACK COV.39 9151062-A SCREW PTPW 2x6(NI) 4 C-PCB-FRONT CABx440 9163061-A SCREW PTB 3.0x6 8 SPEAKERx841 9163082-A SCREW PTB 3.0x8(NI) 2 AC JACKx242 9163102-A SCREW PTB M3x10(NI) 8 FRONT CAB-CHASSIS43 9203202-A SCREW PTP 3x20(NI) 6 FRONT CAB-BACK COVER44 9253162-A SCREW PTPW 3x16(NI) 2 TRANS TORMER45 9902030-A NUT M3 3 MAIN PCB46 9902090-A NUT M9.0 1 A4-R1-06

MECHANICAL PARTS LISTWFR-20

16

17

IC CIRCUIT BLOCK DIAGRAM

1. IC1 BA05FP

2. IC2 & IC304 XC6203E332PR

18

3. IC4 RTL8150L

4. IC5 93LC46BT - I/SN

19

5. IC301 AK5357ET

6. IC302 AD8256A-KG

20

7. IC303 AK4387ET

8. IC305 XC62FP6002PRN

21

IC AND TRANSISTOR VOLTAGE CHART

IC1 BA05FP IC2 XC6203E332PR IC5 93LC46BT-I

PIN Radio AUX PIN Radio AUX PIN WLAN LAN AUX

Vcc 6.1 6.1 IN 3.7 3.7 1 0 0 0

OUT 5.0 5.0 OUT 3.3 3.3 2 0 1.58 0

G 0 0 G 0 0 3 0 0 0

4 0 0 0

5 0 0 0

6 0 4.92 0

7 0 0 0

8 0.44 4.92 0.44

IC4 RTL8150L

PIN WLAN LAN AUX PIN WLAN LAN AUX PIN WLAN LAN AUX

1 0 0 0 17 0 0 0 33 0 0 0

2 0 0 0 18 0 1.21 0 34 0 3.04 0

3 0 0 0 19 0 1.21 0 35 0 0 0

4 0 0 0 20 0 3.04 0 36 0 3.17 0

5 0 0 0 21 0 0 0 37 0.44 4.92 0.44

6 0 0 0 22 0 3.15 0 38 0 0.68 0

7 0 0.35 0 23 0 3.15 0 39 0 2.29 0

8 0 0.21 0 24 0 3.04 0 40 0 3.17 0

9 0 3.04 0 25 0 3.21 0 41 0 0 0

10 0 0 0 26 0 0 0 42 0 0 0

11 0 0 0 27 0.44 4.92 0.44 43 0 0 0

12 0 3.04 0 28 0 0 0 44 0 1.58 0

13 0.44 4.92 0.44 29 0 0.68 0 45 0 0 0

14 0 0 0 30 0 Change 0 46 0 0 0

15 0 0 0 31 0 0 0 47 0 3.17 0

16 0 1.04 0 32 0 0 0 48 0.44 4.92 0.44

22

IC301 AK5357ET IC303 AK4387ET

PIN Radio AUX PIN Radio AUX PIN Radio AUX PIN Radio AUX

1 1.6 1.6 9 1.64 1.64 1 1.64 1.68 9 0 0

2 1.6 1.6 10 1.64 1.64 2 1.64 1.64 10 2.3 2.35

3 0 0 11 1.64 1.64 3 3.3 0 11 2.3 2.35

4 1.6 1.6 12 1.64 1.64 4 1.64 1.64 12 2.3 2.35

5 0 0 13 3.3 3.28 5 3.2 3.28 13 0 0

6 3.2 3.2 14 0 0 6 3.2 3.28 14 4.6 4.7

7 3.3 3.3 15 0 0 7 0 0 15 4.8 4.9

8 0 0 16 0 0 8 3.2 3.28 16 0 0

IC302 AD8256A-KG

PIN Radio AUX PIN Radio AUX PIN Radio AUX PIN Radio AUX

1 1.6 1.7 13 1.64 1.64 25 3.28 3.28 37 0.22 0.26

2 0 0 14 11.36 11.37 26 3.28 3.28 38 11.36 11.38

3 3.1 3.1 15 0.14 0.4 27 0 0 39 0.14 0.4

4 0 0 16 0 0 28 0 0 40 0 0

5 3.1 3.1 17 0.14 0.4 29 3.3 3.3 41 0.14 0.4

6 0 0 18 11.37 11.37 30 3.3 3.3 42 11.36 11.38

7 0 0 19 11.37 11.37 31 2.98 3.0 43 11.36 11.38

8 0 0 20 0.14 0.4 32 0 1.65 44 0.14 0.4

9 1.64 1.64 21 0 0 33 3.28 3.3 45 0 0

10 1.64 1.64 22 0.14 0.4 34 0 0 46 0.14 0.4

11 0 0 23 11.37 11.37 35 1.63 1.65 47 11.36 11.38

12 1.64 1.64 24 3.0 3.0 36 1.63 1.65 48 0 0

IC304 XC6203E332PR IC305 XC62FP6002PRN

PIN Radio AUX PIN Radio AUX

I 5 5 I 11.13 11.13

O 3.3 3.3 O 6.6 6.6

G 0 0 G 0.33 0.33

23

Module voltage

J301 Radio AUX J302 WLAN LAN AUX J302 WLAN LAN AUX J303 Radio AUX

1 3.3 3.28 1 3.28 3.28 3.28 21 3.3 0 0 1 0 0

2 0 0 2 3.25 3.25 3.25 22 0 0 0 2 0 0

3 1.57 0.2 3 0 0 0 23 0 0 0 3 0 0

4 1.64 1.65 4 3.25 3.25 3.25 24 0 0.82 0 4 0 0

5 1.56 0.15 5 3.28 3.28 3.28 25 0 0 0 5 0 0

6 1.64 0 6 3.28 3.28 3.28 26 0 3.28 0 6 0 0

7 1.57 0.15 7 3.28 3.28 3.28 27 0.21 0.2 2.45 7 0 0

8 1.64 1.64 8 3.3 3.3 3.3 28 0 0 0 8 0 0

9 0.12 0.34 9 0 0 0 29 2.86 2.86 3.2 9 0 0

10 1.64 1.64 10 3.14 3.14 3.2 30 0 3.3 0 10 0 0

11 0 0 11 3.23 3.18 3.27 31 0 0 0 11 0 0

12 1.57 0.6 12 3.3 3.15 3.27 32 3.3 0 3.28 12 3.3 3.3

13 1.57 0.6 13 2.97 2.63 2.2 33 3.28 3.28 3.28 13 0 0

14 0 0 14 3.28 3.28 3.27 34 3.28 3.28 3.28 14 3.3 3.3

15 1.57 0.6 15 3.3 3.3 2.1 35 3.17 3.17 0 15 0 0

16 0.5 0.5 16 0 0 0 36 1.78 1.78 1.78 16 3.3 3.3

17 3.3 3.28 17 3.26 3.16 3.27 37 3.28 3.28 3.28 17 0 0

18 3.3 3.28 18 2.25 0 3.24 38 1.78 1.78 1.76 18 0 0

19 3.3 3.3 19 0 3.27 0 39 3.28 3.28 3.28 19 0 0

20 3.3 3.27 20 0.98 0 0.79 40 0 0 0 20 0 0

LCM FG1323201-WLNN IR301

PIN V PIN V PIN V PIN V PIN V PIN Radio AUX

1 3.3 7 4.48 13 1.64 19 0 25 0 VCC 3.28 3.28

2 3.3 8 3.0 14 9.38 20 0 26 0 OUT 3.28 3.28

3 3.3 9 1.5 15 9.38 21 0 27 0 G 0 0

4 0.4 10 1.64 16 0 22 0 28 3.3

5 7.47 11 7.9 17 3.3 23 0 29 3.3

6 5.98 12 4.82 18 0 24 0 30 3.3

24

Transistor

Radio AUX WLAN LAN AUX WLAN LAN AUX

E 0 0 E 0.69 3.28 0.7 D 0.5 4.89 0.72

C 10.84 10.84 C 0.7 3.28 0.7 S 4.88 4.9 4.96Q1

B 0.52 0.52

Q302

B 1.35 4.89 3.26

Q305

G 4.87 0.7 4.95

E 0 0 E 3.27 0.7 3.28

C 0.52 0.52 C 4.86 0.7 3.28 Q2

B 0.50 0.50

Q303

B 3.28 1.35 4.92

E 11.45 11.45 D 4.85 0.7 4.92

C 11.37 11.37 S 4.86 4.9 4.92 Q3

B 10.84 10.84

Q304

G 0.7 4.89 0.7

25

C E

A

A

C

D

W04M 1.5A

A

2SC1623

B E

AC

2SB772

B

C

SI2315DS

G S

C

C

A

RLS4148

2SC4145

AC C

1N5817

BRIDGE 2A/50V

(A:Anode C:Cathode)

ZENER 9.1V

Diodes

(E:Emitter C:Collector B:Base S:Source G:Gate D:Drain)

Transistors

SEMUCONDUCTOR LEAD IDENTIFICATIONS

26

9G

9G

5G

9G

9G

9G

3G

5G

5G

3G

3V3

5G

TP6

TP3

L_L

L_R

HP

C

HP

R

3G

TP10

3G

3G

RX

_

TX_

TX+

5G

1N5817 D2

5GC43

20P

TP21T

P17

VD

D5

9V

C49104

5G

3G

5G

5G

5G

3G

3G

3G

9G

TP4

TP5

TP1

TP2

3G

GHP

L

3G

TP12

TP11

3G

3V3I

R75151 R4

RX

+

5G

TP15

R19820

104 C42

C32

104

103

C58

103

C59

5G5G

5G

TP23

US

BD

D-

US

B5V

C51

104

US

BH

D+

TP18

US

BH

5V

9G

9G

5G

TP20

5G

9G

5G

EE

SK

EE

CS

EE

DO

3G3G

X1

25M

Hz

9VVDD5

3G

3G

LED

1

TP8

3G

RTS

ET

RX

+

TX_

L_R

IN

3V3

G

SP

-GW

1

C52 104

US

BD

D+

5G5G

5G

TP22

US

BH

D-

TP16

9G

47K R11

C50104

820R16

2SC

4154

Q1

270K R17

100KR12

C21041N5817 D1

C1 10

4

5G5G

L3 22uH 10R20

5G

C133300/16

C91049G

1000/16C41

5G

3D

I

1C

S2

CLK

4D

O6

OR

G

8V

CC

7N

C5

VS

S

IC5

93C

46

3G

EE

DI

C33

104

C23

104

**C

47

R21 10

C20

104

5G3G

104

C10

3G

VD

D33

C39104

C401000/16

0R

1

3G

C29 27

pC

30 27p

3G

C14 10

4

9G

3G

5G

C4

1000/16

3G3G

3G

3G

C25

104

C31

104

5GC24

104

LED

0

0603

BD

5 104C15

0603

BD

6

TP9BD

706

03TP

7

3G

*C37

*

3G

RX

_

51 R8

1K69 R9

C34

104

TX+

R551

C18

104

100P

C53

R2

100

R3

100L_

LIN

3G

C56

100P

TP13

TP19

C35

20P

C122200/25

Q2

2SC

4154

4 123

CN

4U

SB

H

Q3

2SB

772

41 2 3

CN

5U

SB

DJK2

AC

IN

C36

20P

**C

21

104

C5

C19

104

C6

104

C8

104

C383300/16

VDD33

0603

BD

8

100P

C54

C57

103

2 31C

N3

AU

X_I

N

100P

C55

TP14

GN

D

D-

D+

VC

C

JK6

US

B

5 3 246 1CN

1

R22

10

9G

C22

104

BD

906

03

C28

104

C44

20P

C26

104

R61K5

R15

12K

C11 10

4

GB

P20

05G

BR

1

BR

2W

04M

Z9.1VD3

GN

DO

UT

VC

C

BA

05IC

1O

UT GN

DIN

IC2

XC

6203

E33

2PR

C3

3300

/16

0R

10

C27

104

104

C16

C17

104C46

822

BD

1006

03

R23 10

C37

104

R13 10

K

C7

104

R14

47K

D04

724

T1

C45

822

LIN

EO

UT

JK4

1194378 51 10 126 2

7412

-08

JK5

532 4 61C

N2

JK1

HE

AD

PH

ON

E

JK3

AU

X_I

N

12VDD33O

10GND

7XIN

4NC5TEST1

2NC

25 VDD33O

27 VDD5

30 LED0

33 GND32 GEP0

35 GND

9VDD33I

11GND

8XOUT

6TEST0

3NC

1NC

13V

DD

548

VD

D5

15R

TT2

46G

ND

18R

XIN

17G

ND

43E

ED

I

44E

ES

K

20V

DD

33I

41G

ND

23TX

OP

38D

M

28 LED2

26 GND

29 LED1

31 GEP1

34 VDD33I

36 VDD33

14R

TT3

16R

TSE

T

19R

XIP

47V

DD

33O

45E

EC

S

42E

ED

O

22TX

ON

21G

ND

24V

DD

33I

39D

P

40V

DD

33I

37V

DD

5

RTL8150L

IC4

MAIN SCHEMATIC DIAGRAM

27

5G

5G5G5G

TP29

5G

TP31

5G

TP33LCD0

5GTP35LCD2

5G

TP37LCD4

5G

TP39LCD6

TP41

5G

LCD0

LCD2

LCD4

5GLCD5

LCD6V3

LCD7

V1

5G

HPM

V0

5G

TP55

TP6

5G

5G

TP10

TP5

5G5G

9G

3G

9G

9G

9G

9G

9G

9G

9G

9G

9G

3G

3G

3G3G

9G

9G9G

5G9G

TP15

TP12

M3V

3

LCDCN0

LCDCN2

LCDCN4

R30833KF 5G

C3111045G5G

TP43

* C315

5G

TP45

5G

TP47

5G

5G

1u C326TP49

5G

5G

TP511u C331

TP53

5G

BD3020603

5G

5G

TP7

3G

9G3G

TP8

5G

VD

D33

9G

5G 5G

9G

9G

L_R

IN

L_LI

N

5G

9VC375220/10

C376104

3G

RA1LA1C378104

C380104

RB2LB2

PD

VD

D33

VD

D339G

C397104

9G

9G3G

9G

3G9G3G

TP27

TP26

TP22

TP23

TP24TP

14

TP13

TP16

TP17

C30447p

C30747p

C317100p

C325100p

C330100p

9V

M3V

3+5

V

TP4

C377104

C379104

C381104

C386104

TP25

5G

12K

FR

305

12K

FR

302

5G5G

5G

TP30

TP32

TP28

5G5G

GIO

AN

0 GIO

AN

1

IR_R

X

TP34

TP36

TP38

TP40

LCD1

LCD3

LCD5

LCD7

5G

PW

RE

N

LCD1

LCD3

TP42

VD

D1V

8V

DD

RTC

1KR

317US

BD

N

5G

5G

V4

V2

5G

5G

5G

CD

CLK

5G

5G5G

3G5G

5G

US

BH

9G102

C356

US

B

9G3G

C351104

C35

947

p

9G

104

C36

9

I2S

SD

O

3G3G

MO

D3V

3

3G

TP3

C36

547

p

TP2

I2S

SD

O

I2S

SC

LK

9G9G

9V

DE

F

3G

9G

9G

3G3G

VD

D33

9G9G

9GC39

410

2

C40

147

/16

VD

D339VTP21

SP

1-R

TP19

SP

2-L

HP

L

HP

C

L_LO

UT

102

C414

R38

010

0

R800

270R30633KF

1K2F

R30

422

0KF

R30

35G5G

C42

122

2

C30

310

447

/16

C30

6

M3V

3LCDCN1

LCDCN3

LCDCN5

R802

270R803

270

R3091K

C312104

C309104

C313104

GIO

AN

2

5G

C31

010

0p

1 2C

N80

2LE

D

5G5G

RP

305

100

TP44

TP46

1u C314

1u C318

1u C321

5G

+5V

R31

8

10

5G5G

1KR

316US

BD

P

R31

51K

220

R32

5

0603

BD

301

C33

410

2

5G5G

5G

1uC33

2

R319*

1u C324

5G

1u C329TP50

5G

TP52

5G

1u C333

TP48

5G

5GC33

810

4

5G

+5V

5G

M3V

310

00/6

.3C

415

C31

610

2 4K7

R369

D302RLS4148

1

2

CN

301

LED

5G5G

C34

047

P

3G*

R32

6

5G5G

5G

C34247p

47p

C34

7

15K

R335TP

9

C41

7

104

15K

R331

5G

C34

4

47p

15K

R336

47p

C34

8

US

B5V

JPR37

1

C34

622

0/6.

3

R31

41K

100p

C34

9

5G5G

C34

347

PC

345

47PA

UX

_IN

_AD

C

5G

TP11

102

C357

9G

C355220/10

9G9G

10KR343

104

C35

4

VD

D33

22uH

L304

BE

AD

L308

9G

R34710

R34610

BE

AD

L306

BE

AD

L307

BE

AD

L305

L303

22uH

I2S

LRC

K

100/

10C

361

104

C37

0

BD

314

0603

5G

C36

710

0p

SCL

104

C36

6

C362

47/16

C42

010

3

9G

R34

9

2K2

RB1

RA2

LB1

LA29G

C42

6

103

I2S

LRC

K

CD

CLK

0603

BD

313

R35

51M

C382104

104

C38

5

1KR354

1KR356

9G

3G

VD

D33

R370

1M

100/

10C

391

102

C39

0

100K

R36

1

104

C39

8

9G

120u

HL3

1010

2C

389

47/1

6C

403

120u

HL3

0947

/16

C40

0

100

R36

8

100

R36

7

104

C405

9G

10R365

C39

510

2

10R364

BE

AD

L313

BE

AD

L3129G

C39

310

2

10R362

C39

210

2

L317

22uH

BE

AD

L314

9G3G

R30

722

C399

104

L315

1.5m

H

+5V

+5V

TP20

TP18

SP

1-L

SP

2-R

HP

R

L_R

OU

T

102

C413

C41

210

4

9G

R38

110

0

R30110

LED

LED800

C30147p

C30247p

C30547p

C308100p

LED

LED802

R31

022

0

LED

LED803

1 2C

N80

1LE

D

393329231913973 35 3717 21 25 27 31151 5 11

4034302420141084 36 3818 22 26 28 32162 6 12

J302

H2X

20-P

2.0

C319100p

C320100p10

0R

P30

4

C32

810

4C

335

102

OU

TG

ND

INIC30

4X

C62

03E

332P

RM3V

3C323100p

C327100p

C33

910

0p

BD

311

0603

+5V

C41

6

104

BACKLIGHT

R34

14K

7

CCBB

EE

2SC

1623

Q30

5

9S

DTO

8D

GN

D

6V

A11

MC

LK

5A

GN

D12

SC

LK

3C

KS

114

DIF

2A

INL

15C

KS

2

4V

CO

M

7V

D10

LRC

K

13P

DN

1A

INR

16C

KS

0 IC30

1A

K53

57

41 2 3W30

2

TO C

N4

L301

1.5m

H

L318

1.5m

H

C36

810

4

TP1

R34

5

220

R34

8

2K2

C383104

C384220/10R

357

33K

R36010

104

C408

10R363

L316

22uH

BE

AD

L311

4K7R379

JPR38

2

UH

PW

R

US

BH

P

C42

222

2

R31

11K

BD

308

0603

US

BH

D+

US

BH

5V

C36

310

4

102

C37

1

I2S

SC

LK

US

BD

D-

BD

304

0603

C41

910

3

AU

X IN

ER

RO

R

5G

C41

010

4

C41

810

4

R801

270

M3V

3

C33

710

4

5G

1KR

313

UD

PW

R

0603

BD

309

1KR

312

US

BH

N

MO

D3V

3M

3V3RLS4148

D301R

P30

210

0

GGSSDD

Q30

1S

i231

5DS R321

10K

R32

0

*

M3V

3

10K

R324

5G

10R353

15K

R330

*C35

0*

CCBB

EE

2SC

1623

Q30

3

US

BH

D-

C36

410

4

10R352

10R35110

2C

372

BD

310

0603

GGSS DD

Si2

315D

SQ

306

4K7

R366

15K

R333

41 2 3 W30

1TO

CN

5

R35010

US

BD

D+

GGSS

DD

Si2

315D

SQ

304

15K

R329

L302

1.5m

H

1

2

CN

302

LED

BD

306

0603

BD

303

0603

C34

147

P

BD

305

0603

C42

310

3

3G

C42

447

P

C358

104

C35

347

/16

I2S

LRC

K

0603

BD

312

I2S

SC

LK

R344

10K

3G

100/

10C

404

R358

1M

1 2W

306

SP

_L

R359

10

R3761K

104

C40

7

104

C40

6

R374

10

C396

1000/6.3

C388

104

47/16

C409

47/1

6C

402

RP

303

1K

C33

610

4

OU

TG

ND

VC

CPN

A47

01IR

301

LED

LED801

RE

111F

-41B

XE

N30

1

C322100p10

0R

P30

1

1913973 17151 5 11

20141084 18162 6 12

H2X

10-P

2.0

J303

GI

O

XC

62A

P60

02P

RN

IC30

5

C36

010

4

C37

310

2C

374

102

CCBB

EE

2SC

1623

Q30

2

C35

2

47/1

6

R3421K

0603

BD

307

2 31W30

3

TO C

N3

1913973 17151 5 11

20141084 18162 6 12

H2X

10-P

2.0

J301

R3781K

5 3 246 1 W30

5TO

CN

1

12

W30

7S

P_R

C41

110

4

104

C38

7

R375

104K7R377

9N

C8

CD

TI

6C

SN

11A

OU

TL

5R

STN

12V

CO

M

3S

DTI

14A

VD

D

2B

ICK

15D

VD

D

4LR

CK

7C

CLK

10A

OU

TR

13V

SS

1M

CLK

16D

ZF

AK

4387

IC30

3

5 3 246 1 W30

4TO

CN

2

12LR

CIN

10S

D1

7D

GN

D1

4C

LK_O

UT

5D

VD

D

25P

D

27S

A0

30S

DA

33A

VD

D32

PW

MS

A

35H

PR

9S

D0

11S

D2

8N

C

6D

GN

D2

3P

LLV

DD

1M

CLK

13BCLK48 PLL-BYP

15RB146 LB1

18VDDRA1

17RA143 VDDLA1

44 LA1

20RA241 LA2

23VDDRB238 VDDLB2

28S

A1

26E

RR

OR

29S

CL

31D

EF

34A

GN

D

36H

PL

14VDDRB1

16GNDR1

19VDDRA2

47 VDDLB1

45 GNDL1

42 VDDLA2

22RB2

21GNDR2

24RESET

39 LB2

40 GNDL2

37 HP-SPK

2P

LLG

ND

AD

8256

A

IC30

2

5V0

1IRS

3C86

29RES

27R/W

25D0

23D2

21D4

16VSS

14CAP3+

12CAP1+

10CAP2-

8V3

6V1

4VR

2P/S

30CS1

28AO

26RD/E

24D1

22D3

19D6/SCL

17VDD

15VOUT

18D7/SI

20D5

11CAP2+

9V4

7V2

13CAP1-

LCD

301

FG13

2320

1-W

LNN

CONTROL SCHEMATIC DIAGRAM

28