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23

8 Schematic Diagram

8.1.

CD Interface Block

E-4C413

The  following  symbols  are
shown  on  the  schematic  diagram.

The  following  symbols  are
shown  on  the  schematic  diagram.

RADIO  (L,R)   

RADIO  (L,R)   
AUDIO

9V

8V

5V

3.3V

3.3V   

3.3V   

ACC   

ACC   

+B   

+B   

9V   

9V   
8V   

8V   
5V   

5V   

CQ-RXBT490U  CD  Interface

E-4C424  CN  401

To  Main

K1KY22AA1031

CN2

To  CD  DECK  MECHANISM

3.3V

3.3V

3.3V

3.3V

cqrxbt490u.book  Page 23  Friday, April 6, 2012  9:48 AM

Summary of Contents for SiriusXM CQ-RXBT490U

Page 1: ...NTENTS PAGE PAGE 1 Service Navigation 2 2 Specifications 3 3 Features 4 4 Technical Descriptions 5 5 Block Diagram 18 6 Wiring Connection Diagram 19 7 Schematic Diagram 20 8 Schematic Diagram 23 9 Printed Circuit Board 26 10 Exploded View and Replacement Parts List 33 11 Schematic Diagram for Printing with Letter Size 44 cqrxbt490u book Page 1 Friday April 6 2012 9 48 AM ...

Page 2: ...2 Laser Products 1 3 Replacing the Fuse Use fuses of the same specified rating 15A Using different substitutes or fuses with higher ratings or connecting the prod uct directly without a fuse could cause fire or damage to the stereo unit 1 4 Maintenance Your products is designed and manufactured to ensure a mini mum of maintenance Use a dry a soft cloth for routine exterior cleaning Never use benzi...

Page 3: ...07 9 MHz Usable sensitivity 10 2 dBf 0 9 μV 75 Ω 50 dB quieting sensitivity 15 2 dBf 1 6 μV 75 Ω Frequency response 30 Hz 15 kHz 3 dB Alternate channel selectivity 75 dB Stereo separation 35 dB at 1 kHz Signal to noise ratio 62 dB Image rejection ratio 55 dB IF rejection ratio 100 dB AM Radio Frequency range 530 kHz 1710 kHz Usable sensitivity 27 dB μV 22 μV S N 20 dB CD Player Sampling frequency ...

Page 4: ...4 3 Features File search function Front AUX terminal Sound control USB connector Bluetooth SiriusXM Satellite Radio cqrxbt490u book Page 4 Friday April 6 2012 9 48 AM ...

Page 5: ...O 0 0 0 54 REMO_IN Remote signal input I 4 67 4 69 4 67 55 iPOD_CNT USB iPod communication request signal output O 4 70 4 72 4 69 56 PWR_LED POWER_LED control sig nal output O 0 0 0 57 N C Not connected O 0 0 0 58 DSP_PRES ET DSP reset control signal output O 4 72 4 73 4 71 59 DSP_CE DSP chip enable control signal output O 0 2 31 2 30 60 DSP_BUSY B DSP busy control signal input I 3 13 2 91 2 92 61...

Page 6: ...ply signal output I O 0 47 GP30 General purpose I O port with pull down resistor External interrup tion function 3 I O 0 48 GP31 General purpose I O port with pull down resistor Bit clock input out put for Stream data I O 0 49 GP32 General purpose I O port with pull down resistor Data input output for Stream data I O 3 11 50 GP33 General purpose I O port with pull down resistor Request flag input ...

Page 7: ...2 52 S52 Segment outputs O 2 42 53 S53 Segment outputs O 2 42 Pin No Port Description I O CD V 54 S54 Segment outputs O 2 42 55 S55 Segment outputs O 2 42 56 S56 Segment outputs O 2 42 57 S57 Segment outputs O 2 42 58 S58 Segment outputs O 2 42 59 S59 Segment outputs O 2 42 60 S60 Segment outputs O 2 42 61 S61 Segment outputs O 2 42 62 S62 Segment outputs O 2 42 63 S63 Segment outputs O 2 42 64 S6...

Page 8: ...igital Ground GND 0 40 MIC_BIAS Microphone bias I 0 41 MIC_R_P Microphone input positive right I 0 42 MIC_R_N Microphine input negative right I 0 43 MIC_L_P Microphone input positive left I 0 44 MIC_L_N Microphone input negative left I 0 45 AGND Analogue Ground GND 0 46 VDD_AUDIO Positive supply output for audio circuitry and 1 5V regulated output from internal low voltage regulator O 1 51 47 SPK_...

Page 9: ...9 4 2 IC Block Diagram 4 2 1 Main Block IC230 C0ABCA000121 IC704 C0DBEJG00001 cqrxbt490u book Page 9 Friday April 6 2012 9 48 AM ...

Page 10: ...10 IC201 C1BA00000493 IC602 C3EBJY000032 cqrxbt490u book Page 10 Friday April 6 2012 9 48 AM ...

Page 11: ...11 IC400 C1BB00001088 cqrxbt490u book Page 11 Friday April 6 2012 9 48 AM ...

Page 12: ...12 IC50 C1ZBZ0004389 IC706 C0DBGYY00710 cqrxbt490u book Page 12 Friday April 6 2012 9 48 AM ...

Page 13: ...13 IC707 C0DBGYY00710 IC180 C0CBCYG00004 cqrxbt490u book Page 13 Friday April 6 2012 9 48 AM ...

Page 14: ...14 IC701 C0DAZYY00033 cqrxbt490u book Page 14 Friday April 6 2012 9 48 AM ...

Page 15: ...15 IC803 C1AB00003758 cqrxbt490u book Page 15 Friday April 6 2012 9 48 AM ...

Page 16: ...16 IC705 C0EBY0001290 cqrxbt490u book Page 16 Friday April 6 2012 9 48 AM ...

Page 17: ...17 IC902 B3RAB0000091 IC181 C0JBAB000255 cqrxbt490u book Page 17 Friday April 6 2012 9 48 AM ...

Page 18: ... 9V AUDIO 9V AUDIO 9V AVDD 5V ACC ACC ACC BATT RADIO DATA RADIO CLK CD 8V CD 8V 11 12 13 1 8 7 3 14 9 4 5 6 8 3 19 18 17 AVDD 5V DVDD 5V 22 23 RADIO MODE RADIO L RADIO R AUX L AUX R 8 10 P GND BATT BATT ACC L R CD USB L R R R 5 FM AM TUNER IC 5 26 25 15 13 AMP ANT CNT 6 8 10 12 16 REMO IN NC NC 14 NC 2 4 9 11 1 3 5 7 Q50 Q52 89 95 74 30 72 73 5 REMO IN AMP CNT AMP CNT 82 81 93 94 DSP DI DO CLK CE ...

Page 19: ...pindle Motor Optical Pick up Assy Limit SW Loading Motor CN451 22P C N 1 1 7 P 4P WIRE CN2 22P 2P WIRE 3P WIRE CD Interface PCB E 4C413 4 SPK CN500 AUX IN USB IN AMP ANT CNT REMO IN CN701 16P FL FL FR FR RL RL RR RR 15A FUSE R L PRE OUT CN301 CN501 MIC CQ RXBT490U Hold PCB E 4C43 1 14P CN990 14P CN991 CN201 CN202 PRE OUT cqrxbt490u book Page 19 Friday April 6 2012 9 48 AM ...

Page 20: ...V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V R L R L R L R L R L R L R L R L R L R L R L R L R L R L 5V 4 55 6 40 0 5 25 1 28 6 39 0 3 32 4 69 0 3 32 4 05 4 69 0 2 14 4 50 7 1 5 1 58 7 93 3 24 64 3 3 93 36 3 2 3 1 4 11 05 4 3 75 7 94 1 57 1 57 1 8 5 1 58 1 57 1 8 5 0 87 0 9 2 7 3 9 7 1 5 4 7 6 4 70 0 9 1 4 1 6 3 7 1 5 2 91 1 85 2 18 0 0 04 6 3 24 6 04 22 12 06 ...

Page 21: ...3V 3 3V 3 3V ACC ACC B B 9V 9V 8V 8V 5V 5V CQ RXBT490U DISPLAY YEAMLC75806 YEXDCM4C178 B0BD5R6A0007 K1KY14A00015 B3RAB0000091 K9AA024Y0006 8V 5V 8V 8V 8V 8V 8V 8V 8V 8V 8V 5V 5V 5V 5V 5V 5V 5V 5V 5V 4 79 0 4 82 0 0 0 0 0 0 4 79 7 87 4 79 680 CQ RXBT490U W CR LXBT490W ONLY 1 8K 470 680 CR LXBT490W CQ RXBT490W U CQ RX470U CR CR LX470W CR LXBT490W CQ RXBT490W U ONLY ...

Page 22: ...llowing symbols are shown on the schematic diagram AUDIO AUDIO 9V 8V 5V 3 3V 3 3V 3 3V ACC ACC B B 9V 9V 8V 8V 5V 5V CQ RXBT490U BT USB AUX K2HC1YYE0009 R L R L R L R L R L R L R L R L R L R L R L 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V YEAMNF230122 47K 47K 1 5n OPEN 47u ...

Page 23: ... diagram The following symbols are shown on the schematic diagram RADIO L R RADIO L R AUDIO 9V 8V 5V 3 3V 3 3V 3 3V ACC ACC B B 9V 9V 8V 8V 5V 5V CQ RXBT490U CD Interface E 4C424 CN 401 To Main K1KY22AA1031 CN2 To CD DECK MECHANISM 3 3V 3 3V 3 3V 3 3V cqrxbt490u book Page 23 Friday April 6 2012 9 48 AM ...

Page 24: ...n the schematic diagram The following symbols are shown on the schematic diagram RADIO L R RADIO L R AUDIO 9V 8V 5V 3 3V 3 3V 3 3V ACC ACC B B 9V 9V 8V 8V 5V 5V CQ RXBT490U KEY HOLDER 5V 8V 5V 5V 8V 8V 5V 5V 5V 5V cqrxbt490u book Page 24 Friday April 6 2012 9 48 AM ...

Page 25: ... g r a m T h e f o l l o w i n g s y m b o l s a r e s h o w n o n t h e s c h e m a t i c d i a g r a m RADIO L R RADIO L R AUDIO AUDIO 9V9V 8V8V 5V 5V 3 3V 3 3V 3 3V 3 3V ACCACC B B 9V9V 8V8V 5V 5V C Q R XBT 4 9 0U L E D Y E A A R G B1 11 D 3 8 V 8 V 8 V 8 V 8 V 8 V cqrxbt490u book Page 25 Friday April 6 2012 9 48 AM ...

Page 26: ...26 9 Printed Circuit Board 9 1 Main Block Top View E 4C430 Topview View CQ RXBT490U MAIN P C B cqrxbt490u book Page 26 Friday April 6 2012 9 48 AM ...

Page 27: ...27 9 2 Main Block Bottom View E 4C430 Bottomview View CQ RXBT490U MAIN P C B cqrxbt490u book Page 27 Friday April 6 2012 9 48 AM ...

Page 28: ...28 9 3 Display Block E 4C429 1a Bottom View E 4C429 1a Top View CQ RXBT490U DISPLAY P C B cqrxbt490u book Page 28 Friday April 6 2012 9 48 AM ...

Page 29: ...29 9 4 LED Block E 4C429 1b Bottom View E 4C429 1b Top View CQ RXBT490U LED P C B cqrxbt490u book Page 29 Friday April 6 2012 9 48 AM ...

Page 30: ...30 9 5 KEY HOLDE Block E 4C431 Top View E 4C431 Bottom View CQ RXBT490U KEY HOLDE P C B cqrxbt490u book Page 30 Friday April 6 2012 9 48 AM ...

Page 31: ...31 9 6 CD Interface Block Bottom View CQ RXBT490U CD INTERFACE P C B E 4C413 Bottom View cqrxbt490u book Page 31 Friday April 6 2012 9 48 AM ...

Page 32: ...32 9 7 BT USB AUX Block E 4C434 Top View E 4C434 Bottom View CQ RXBT490U BT USB AUX P C B cqrxbt490u book Page 32 Friday April 6 2012 9 48 AM ...

Page 33: ...ng Collar Installation Parts Power Connector 57 59 47 60 69 68 61 63 67 58 65 66 62 64 52 48 49 51 50 56 56 56 56 55 54 53 13 13 14 17 14 16 13 14 13 13 10 MAIN PCB Assy 19 20 USB PCB Assy 18 45 44 43 42 37 46 72 38 39 40 41 27 22 23 24 26 25 21 29 32 31 27 27 36 28 33 35 27 30 34 KEY PCB Assy 12 9 8 11 15 cqrxbt490u book Page 33 Friday April 6 2012 9 48 AM ...

Page 34: ... T D709 B0EAJP000001 Diode T D712 B0ECKP000002 Diode T D714 B0ECKE000002 Diode T D741 B0ECKP000002 Diode T D742 B0ECKP000002 Diode T D953 B0BD5R6A0007 Diode T D954 B0BC5R000009 Diode T D955 B0BD5R6A0007 Diode T D961 B3AAB0000286 LED RED T CAPACITORs C101 F1J1H334A733 Ceramic 0 33μF 50WV T C182 F1J1H334A733 Ceramic 0 33μF 50WV T C183 F2A1C100A401 Electrolytic 10μF 16WV T C200 F2A1A221A807 Electroly...

Page 35: ...00μF 6 3WV T C738 F1J1C225A173 Ceramic 2 2μF 16WV T Ref No Part No Part Name Description Remarks C739 F1J1C225A173 Ceramic 2 2μF 16WV T C74 F2A1A101A354 Electrolytic 100μF 10WV T C741 F1J1H224A733 Ceramic 0 22μF 50WV T C742 F1J1H1040014 Ceramic 0 1μF 50WV T C743 F2A1C100A401 Electrolytic 10μF 16WV T C747 F1J1H334A733 Ceramic 0 33μF 50WV T C75 F1J1H333A733 Ceramic 0 033μF 50WV T C751 F1J1H224A733 C...

Page 36: ...323 D0GD561JA017 Chip 560 Ω 1 10W T R324 D0GB181JA008 Chip 180 Ω 1 16W T R330 D0GB104JA008 Chip 100k Ω 1 16W T R331 D0GB433JA008 Chip 43k Ω 1 16W T R332 D0GB393JA008 Chip 39k Ω 1 16W T R333 D0GB183JA008 Chip 18k Ω 1 16W T R334 D0GB560JA008 Chip 56 Ω 1 16W T R340 D0GB104JA008 Chip 100k Ω 1 16W T R341 D0GB433JA008 Chip 43k Ω 1 16W T R342 D0GB393JA008 Chip 39k Ω 1 16W T R343 D0GB183JA008 Chip 18k Ω 1...

Page 37: ...0 Ω 1 16W T R814 D0GB223JA008 Chip 22k Ω 1 16W T R815 D0GB683JA008 Chip 68k Ω 1 16W T R822 D0GB102JA008 Chip 1k Ω 1 16W T R824 D0GB102JA008 Chip 1k Ω 1 16W T R825 D0GBR00JA008 Chip 0 Ω 1 16W T R826 D0GDR00JA017 Chip 0 Ω 1 10W T R827 D0GB150JA008 Chip 15 Ω 1 16W T R828 D0GB153JA008 Chip 15k Ω 1 16W T R829 D0GB150JA008 Chip 15 Ω 1 16W T R830 D0GB153JA008 Chip 15k Ω 1 16W T R831 D0GB332JA008 Chip 3 3...

Page 38: ...E T D906 B3AEB0000088 LED BLUE T D907 B3AEB0000088 LED BLUE T Ref No Part No Part Name Description Remarks D908 B3AEB0000088 LED BLUE T D909 B3AEB0000088 LED BLUE T D910 B3AEB0000088 LED BLUE T D911 B3AEB0000088 LED BLUE T D912 B3AEB0000088 LED BLUE T D913 B3AEB0000088 LED BLUE T D914 B3AEB0000088 LED BLUE T D915 B3AEB0000088 LED BLUE T D931 B3AZB0000095 LED 3 Color T D941 MAZ80560ML Zener Diode T...

Page 39: ...0 RCA CORD T 16 YEJV014C002N BOLT T 17 YFS014C095ZA GUM T 18 ZZFP 232 USB PCB Assy T 19 YFX214C538CA USB BRACKET T 20 APCB434C0 USB PCB Assy T RTL Ref No Part No Part Name Description Remarks 21 ZZFP 233 BRACKET ARM L ASS Y T 22 YFX994C193CA ARM BRACKET ASS Y T 23 7208 03 02 DAMPER GEAR T 24 YFV024C129CA PW CUT1 7 3 5 0 4 T 25 PG 07M 45R ROTARY DAMPER T 26 XYN2 J4FN TAMS SCREW2 4 T 27 XTN2 6GFN SC...

Page 40: ... 73 75 62 93 122 94 101 84 14 78 81 93 3 111 1 77 77 4 124 17 125 88 87 20 18 77 99 83 12 86 16 121 98 28 27 30 15 37 111 85 73 111 25 32 114 11 112 39 44 46 33 34 35 43 45 77 95 96 14 100 123 94 91 111 92 89 82 90 115 32 13 23 32 97 113 111 2 cqrxbt490u book Page 40 Friday April 6 2012 9 48 AM ...

Page 41: ...SPRING 32 YDFX00500004 SUSPENSION SPRING MS 33 YDFX24900003 SELECT ARM R M2 34 YDFP05000004 LINK PLATE 35 YDFX00500005 LINK PLATE SPRING S 36 YDFS04000005 CUSHION F 37 YDFS04000006 CUSHION R 38 YDFP05000005 FEED SPR PLATE M 39 YDFK06000009 PU SHAFT HOLDER SA 40 YDFK06000010 PU SHAFT HOLDER SB 43 YDFP05000006 SELECT PLATE L 44 YDFP05000007 SELECT PLATE R 45 YDFP05000008 SELECT PIECE L 46 YDFP050000...

Page 42: ...42 10 5 Packing Parts List 1 2 3 5 6 4 7 11 10 9 8 cqrxbt490u book Page 42 Friday April 6 2012 9 48 AM ...

Page 43: ...e 2 YFU044C097YA POLYLON FRONT 1 Not available 3 YFU044C098YA POLYLON REAR 1 Not available 4 ZZPRRXBT490U PRINTING KIT 1 T 5 SET 1 T 6 YFC054C104ZA REMOVABLE FACE PLATE CASE 1 T 7 ZZBPAK470U ZZBPAK 1 T 8 ZZCRD 470U POWER CORD ASS Y 1 T 9 ZZBISCP137U BIS KIT 1 T 10 YFX994C186CA REMOTE COM ASS Y 1 T 11 L0FBBB000005 MIC 1 T cqrxbt490u book Page 43 Friday April 6 2012 9 48 AM ...

Page 44: ...3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V R L R L R L R L R L R L 4 55 6 40 0 5 25 1 28 6 39 0 3 32 4 69 0 3 32 4 05 4 69 0 2 14 4 50 5 1 7 1 58 7 93 3 4 2 3 64 3 93 3 36 3 21 1 4 1 0 4 5 7 3 5 4 7 9 1 57 1 57 1 58 1 58 1 57 8 1 5 0 87 0 29 93 7 1 57 4 67 0 4 7 0 1 49 1 36 1 57 2 91 1 85 2 8 1 0 ...

Page 45: ...V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V R L R L R L R L R L R L R L R L 5V 11 39 4 67 0 4 45 4 96 11 40 96 4 96 4 11 40 12 21 12 21 0 0 0 3 26 0 4 1 0 3 5 1 5 3 1 0 8 7 7 0 5 3 8 4 3 8 0 0 3 4 3 0 5 3 88 1 3 8 1 6 4 1 6 4 0 3 4 5 7 4 4 2 3 9 2 7 4 8 77 0 3 5 7 4 78 7 2 2 8 75 8 5 7 4 1 3 0 0 0 9 02 8 86 0 4 67 0 0 6 11 6 07 6 01 12 09 6 01 6 07 6 08 6 08 6 08 6 01 0 5 67 6 08 6 08...

Page 46: ...BD5R6A0007 K1KY14A00015 B3RAB0000091 K9AA024Y0006 8V 5V 8V 8V 8V 8V 8V 8V 8V 8V 8V 5V 5V 5V 5V 5V 5V 5V 5V 4 79 0 4 82 0 0 0 0 0 0 4 79 7 87 4 79 680 CQ RXBT490U W CR LXBT490W ONLY 1 8K 470 680 cqrxbt490u book Page 46 Friday April 6 2012 9 48 AM ...

Page 47: ...mbols are shown on the schematic diagram AUDIO 9V 8V 5V 3 3V 3 3V 3 3V 3 3V ACC ACC B B 9V 9V 8V 8V 5V 5V CQ RXBT490U DISPLAY YEAMLC75806 YEXDCM4C178 007 5V 5V 0 0 0 0 0 4 79 7 87 4 79 CR LXBT490W CQ RXBT490W U CQ RX470U CR CR LX470W CR LXBT490W CQ RXBT490W U ONLY cqrxbt490u book Page 47 Friday April 6 2012 9 48 AM ...

Page 48: ...48 11 5 BT USB AUX Block Left Side E 4C434 R L R L R L 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V 3 3V YEAM 1 5n OPEN cqrxbt490u book Page 48 Friday April 6 2012 9 48 AM ...

Page 49: ... The following symbols are shown on the schematic diagram AUDIO 9V 8V 5V 3 3V 3 3V 3 3V ACC ACC B B 9V 9V 8V 8V 5V 5V CQ RXBT490U BT USB AUX K2HC1YYE0009 R L R L R L R L R L R L R L R L R L 3 3V 3 3V 3 3V 3 3V 3 3V YEAMNF230122 47K 47K 1 5n OPEN 47u cqrxbt490u book Page 49 Friday April 6 2012 9 48 AM ...

Page 50: ...50 2012 03 T cqrxbt490u book Page 50 Friday April 6 2012 9 48 AM ...

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