HHB-CDR882-cdr-sch 电路图维修手册.pdf

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1、CDR-882 Circuit schematics Motherboard P8200 RadioFans.CN 收音机爱 好者资料库 5 5 4 4 3 3 2 2 1 1 DD CC BB AA TOS I n Connect s t o a PF out put TO CPLD TO CPLD 1024Fs 45. 1584 M Hz An Sw - Cent r e or nVCO PD Low = PD, Hi gh = Cent r e Thi s Gnd t o be Connect ed t o Dgnd - goes t o AGnd pi n FI RST Del et

2、e 75R TosI n - added Coupl i ng cap f or AES i n, f i xed swap of Pl l Caps, i ncr eased C111 t o 100n of M256Fs AES_In+ AES_In- SpDifTx PS2_Clk AES_Out- PS2_Data AES_Out+ Chain_IP_Rx Chain_IP_Tx SpDif_In AES_In+ TOS_in TOS_in VcoClk WdClkSchmitt AES_In- VCO_ContV SpDif_In MISO4,6 M256Fs 2,5,6 256Fs

3、Rec6 FsRec6 SClkRec6 SdIn 6 Int_8416 6 RCBL_8416 6 nAudio 6 Mst_Osc6 VCXO_Cont 6 Cs_84164 MOSI2,4,6 SCK2,4,6 8416_Reset4 SpDifTx6 PS2_Data6 AES_Out-6 AES_Out+6 PS2_Clk6 Chain_IP_Tx14 Chain_IP_Rx14 WdClk6 VcoClk6 WdClkSchmitt6 PllDivOut6 VcoRangeSel6 VCCVCC_PLL VCC_PLL VCC5V VCC Vco_GND VCC VCC VCC_P

4、LL VCC Vco_GNDVco_GND VCC VCC_PLL OSC1 VCXO 45.1584MHz 1 23 4 Cont VddO/P Vcc C53 0.1uF C68 0.1uF U26 CS8416-SW 5 4 3 2 1 14 15 16 17 9 10 11 12 13 6 23 21 26 28 27 24 25 20 19 18 7 8 22 RXN RXP0 RXP1 RXP2 RXP3 AD0/CS AD1/CDIN SCL/CCLK SDA/CDOUT RST RXP4 RXP5 RXP6 RXP7 VA VD VL SdOUT OLRCk OSClk RMC

5、lk OMClk GPO0 GPO1 AD2/GPO2 AGND Fltr DGnd J14 CON20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 C115 0.01uF R58 3k3 C55 0.1uF C116 1000PF FER10 R49 154 R110 3k FER14 C109 0.01uF C74 0.1uF R42 22 R57 2k2 R59 68 TP23 U16 TLC2932AIPW 4 5 6 9 12 13 10 2 3 7 1 11 148 PFDIN_A PFDIN_B PFD OUT PFD I

6、NH VCO IN BIAS VCO INH Select VCO OUT GND VCC VCO GND VCO VCCNC C102 0.1uF CT5 10uF FER11 FER_STANDARD U17 LVC1G3157 1 3 4 6 2 5 no-B1 nc-B0 Com Cont Gnd Vcc TP16 TP13 C71 0.1uFC54 0.01uF TP14 R52 2k2 FER9 R114 75 C72 10uF FER13 FER15 C103 22nF NPO R116 47k C79 0.01uF R71 10r C111 0.1uF C237 0.01uF

7、+C76 22uF 16V TP22 Digital input, WordClock and clock control Motherboard P8200 Page 2/18 HHB CDR-882 RadioFans.CN 收音机爱 好者资料库 5 5 4 4 3 3 2 2 1 DD CC BB AA DAC1 LEFT ADC1 LEFT AUDIO CODEC ADC1 RIGHTDAC1 RIGHT ADM ODE HI set s Di f i nput , no I PGA CHECK DELETE? Appr ox 70m A Check Vi n when m i n l

8、 oad dr awn f r om VA REF LM 317LI DR - 8- SOI C FER12 i s a Resi st or f or BOM & Si l k Scr een of M_SClk M_Fs MClk MClk M_SClk M_Fs A/D_I2S4 D/A_I2S4 CS_4620 4 SCK 1,4,6 MOSI 1,4,6 M_SClk4,6 M256FS1,5,6 M_Fs4,6 OVFR6 OVFL6 DEM_Control 6 AK4620_PDN/RESET 4 Hph_I2S4 nReset3,6,14 INR+15 INR-15 INL+1

9、0 INL-10 OUTR+ 16 OUTR- 16 OUTL+ 11 OUTL- 11 HphL 12 HphR 12 AGND AGND VCC VA VCC VCC AGND VCC AGND AGnd AGnd +15 VA AGnd U28 AK4386 3 1 2 4 5 6 7 8 9 15 11 10 12 16 14 13 SDI MClk BICk LRCk PDn DFS0 DFS1 DEM DIF0 DIF1 Lout Rout Vcom Test Vdd Vss U50 NAP 1 4 2 3 6 7 5 8 IN Adj Out1 Out2 Out3 Out4 NC

10、1 NC2 R149 10K Fer12 47 R227 33R .25W C227 10uF C20 47uF 16V R226 33R .25W + C114 47uF 16V R148 10K C145 33pF R240 820 C110 0.1uF C125 10uF 25V C245 0.01uF R122NAP FER16 FER_STANDARD C236 47uF 16V C141 47uF 16V R146 0.1uF U51 LT1762 8 5 4 1 2 3 7 6 In SHDN Gnd Out Sense Byp Nc1 Nc2 R130360 R147 10K

11、C130 33pF C132 0.1uF U33 AK4620 1 2 4 6 7 8 9 10 15 11 12 13 1417 18 19 20 21 22 23 24 25 26 27 28 29 30 3 5 16 VCOM AINR+ AINL+ VREF AGND VA P/S MClk OVFR/DSDL LRCLK/DSDR BICK/DCLK SDTO SDTICDTI/CKS0 CCLK/CKS1 CSN/DIF DFS0 PDN DEM0 ADMODE VT VD DGND AOUTL- AOUTL+ AOUTR- AOUTR+ AINR-/NC AINL-/NC OVF

12、L/DZFL R142360 R239 270 R22233R .25W Audio codecs Motherboard P8200 Page 3/18 HHB CDR-882 RadioFans.CN 收音机爱 好者资料库 5 5 4 4 3 3 2 2 1 DD CC BB AA BOOT MODE/BYPASS Select OFF ON SPI SROM 8-BIT BOOT MODE OFF 2 SPI SROM 16-BIT DEFAULT BMODE1 8-BIT FLASH ON 1 ON ONOFF BMODE0 RESERVED OFF Fl ash CDRW CPLD

13、Thi s pul l up r eqd i f usi ng t r ue DM A SCLK_S A13 A10 A8 A4 A3 A11 A_S19.1 A12 A2 A5 A18 A1 A7 A9 A17 A19 A15 A16 A14 A6 BMODE1 A_S6 A_S4 A_S5 A_S11 A_S18 A_S3 D6 A_S2 D10 A_S8 A_S18 A_S16 D2 A_S10 AMS1 A_S16 D5 BMODE0 A_S13 A_S5 A_S14 A_S3 A_S2 A_S11 A_S1 A_S15 D13 A_S12 A_S9 A_S6 A_S9 D1 D8 D

14、11 D14 A_S7A_S19 D0 D4 D7 A_S19 A_S10 A_S13 A_S17 A_S4 A_S14 D3 A_S17 D15 A_S8 D12 DSPCK_30MHZ A_S15 A_S12 A_S7 D9A_S1 BG 6,17 BGH AMS0 8 SCKE 8 SRAS 8 SCAS 8 SWE 8 SA10 8 SMS 8 SCLK 6,8 ABE0 8 ABE1 8 A19:16,8 BR6 ARDY8,17 nReset2,6,14 NMI6 D15:06,8,17 AMS1 6,17 AOE 6,8,17 AMS3 6 ARE 6 AMS2 AWE 6,8

15、VCC VCC VCC RN4 10 R1A R2A R3A R4AR4B R3B R2B R1B RN1 10 R1A R2A R3A R4AR4B R3B R2B R1B RN2 10 R1A R2A R3A R4AR4B R3B R2B R1B R24222 R150 2k2 RN3 10 R1A R2A R3A R4AR4B R3B R2B R1B TP28 R16810r R17722 TP25 R171 10K SDQM1/ SDQM0/ U38C ICS_ADSP-BF532 165 172 166 167 158 159 160 161 152 153 154 120 119

16、150 151 13 163 121 122 123 125 126 127 135 136 137 138 139 140 141 142 146 147 148 100 99 98 162 11 169 173 164 14 104 105 108 109 110 112 113 114 101 102 103 115 116 10 95 96 124 149 SWE SMS SCAS SRAS AMS3 AMS2 AMS1 AMS0 AWE ARE AOE BGH BG ABE1 ABE0 RESET BR A19 A18 A17 A15 A14 A13 A12 A11 A10 A9 A

17、8 A7 A6 A5 A4 A3 A2 D13 D14 D15 ARDY XTAL CLKOUT SCKE SA10 NMI D9 D8 D7 D6 D5 D4 D3 D2 D12 D11 D10 D1 D0 CLKIN BMODE1 BMODE0 A16 A1 TP26 R17822 R174 10K C148 10pF R19622 RN6 10 R1A R2A R3A R4AR4B R3B R2B R1B RN5 10 R1A R2A R3A R4AR4B R3B R2B R1B R202 10K R230 10K RN7 10 R1A R2A R3A R4AR4B R3B R2B R1

18、B R16933 Y1 30MHz C149 10pF TP24 TP27 Main processor address and data Motherboard P8200 Page 4/18 HHB CDR-882 5 1 B82004 CDR-882 Main PCB :- Blackfin PF Comms / Power / SPI, LCD HHB Communications Ltd - JLH Systems Ltd. C 418Thursday, February 28, 2008 Title SizeDocument NumberRev Date:Sheet 1 A 5 4

19、 4 3 3 2 2 1 DD CC BB A UART PF11 PF4 PF10 CDRW PDiag PF15 PF9 CDRW_nReset PF14 CPLD TCK PF1 PF12 PROGR. FLAG PF0 CPLD TDI PF6 CPLD TDO AK4620 LATCH SIGNAL AK4620 CODEC RESET/PDN PF3 PF2 FUNCTION PF7 PF13 CPLD TMS PF8 PF5 CS8416 RESET CS8406 RESET CS8416 LATCH SIGNAL CS8406 LATCH SIGNAL LCD LATCH SI

20、GNAL LCD A0 CDRW DaSp of PF5 PF2 PF1 PF6 PF0 PF4A0_LCD PF3nCs_LCD PF9 PF8 PF12 PF15 PF13 PF14 PF7 PF1 PF4 PF11 PF10 PF15 PF9 PF5 PF3 PF2 PF14 PF0 PF13 PF6 PF7 PF8 PF12 PF10 M_SClk2,6 M_Fs2,6 M_SClk2,6 M_Fs2,6 DigOut_I2S6 DT0SEC6 M_SClk2,6 M_Fs2,6 M_SClk2,6 M_Fs2,6 RS232_Rx217 MOSI1,2,6,16 MISO1,6 SC

21、K1,2,6,16 TDI9 TMS9 TCK9 TRST9 VROUT 13 EMU 9 TDO 9 PF15:01,2,6,11,15,16 8416_Reset1 Cs_8416 1 Cs_8406 6 8406_Reset6 Cs_4620 2 CDRW_nReset16 Hph_I2S2 D/A_I2S2 A/D_I2S2 DigIn_I2S6 DR0SEC6 DR1SEC6 CPLD_TDO 9 CPLD_TDI9 CPLD_TMS 9 CPLD_TCK 9 AK4620_PDN/RESET 2 DaSp 16 PDiag 16 RS232_Tx217 nCs_LCD6 A0_LC

22、D 6 DSP_VDD_INTVCC VCC R183 4k7 TP32 TP31 TP33 TP36 U38B ICS_ADSP-BF532 4 5 168 157 143 111 80 66 52 18 25 107 93 71 57 45 31 20 12 171 156 145 134 118 6 30 19 15 9 8 7 176 175 174 170 155 144 133 132 3 131 130 129 128 117 106 97 92 91 90 2 89 88 70 56 44 43 42 41 40 39 1 VROUT2 VROUT1 VDDINT8 VDDIN

23、T7 VDDINT6 VDDINT5 VDDINT4 VDDINT3 VDDINT2 VDDRTC VDDINT1 VDDEXT9 VDDEXT8 VDDEXT7 VDDEXT6 VDDEXT5 VDDEXT4 VDDEXT3 VDDEXT2 VDDEXT14 VDDEXT13 VDDEXT12 VDDEXT11 VDDEXT10 VDDEXT1 GND9 GND8 GND7 GND6 GND5 GND4 GND37 GND36 GND35 GND34 GND33 GND32 GND31 GND30 GND3 GND29 GND28 GND27 GND26 GND25 GND24 GND23

24、GND22 GND21 GND20 GND2 GND19 GND18 GND17 GND16 GND15 GND14 GND13 GND12 GND11 GND10 GND1 R189 10K TP35 R15610r R188 10K TP34 TP29 TP30 R203 10K U38A ICS_ADSP-BF532 8384 81 61 72 85 60 69 8786 94 53 82 65 76 64 75 35 36 37 38 46 47 48 49 27 28 29 32 33 34 50 51 55 54 59 58 67 68 62 63 73 74 EMUTRST TX

25、 TSCLK1 TSCLK0 TMS TFS1 TFS0 TDOTDI TCK SCK RX RSCLK1 RSCLK0 RFS1 RFS0 PF9/PPI10 PF8/PPI11 PF7/SPIS7 PF6/SPIS6 PF5/SPIS5 PF4/SPIS4 PF3/SPIS3 PF2/SPIS2 PF15/PPI4 PF14/PPI5 PF13/PPI6 PF12/PPI7 PF11/PPI8 PF10/PPI9 PF1/SPIS1 PF0/SPISS MOSI MISO DT1PRI DT1SEC DT0SEC DT0PRI DR1SEC DR1PRI DR0SEC DR0PRI 5 5

26、 4 4 3 3 2 2 1 DD CC BB AA Main processor PFs, Power and SPI/LCD Motherboard P8200 Page 5/18 HHB CDR-882 5 5 4 4 3 3 2 2 1 1 DD CC BB A PPI 0_Sync1 M256Fs1,2,6 En100uSec6 UART_ClkEn6 U38D ICS_ADSP-BF532 22 23 79 26 24 21 78 77 17 16 PPI0_D0 PPI0_D1 TMR0 PPI0_D3 PPI0_D2 PPI_CLK PPI_FS1/TMR1 PPI_FS2/T

27、MR2 RTXI RTXO TP48TP47 Main processor PPI Motherboard P8200 Page 6/19 HHB CDR-882 5 5 4 4 3 3 2 2 1 1 DD CC BB AA SAI F - 1K t o Gnd set s up t o 32 bi t I 2S i n SAOF - 4. 02K t o Gnd set s 24 bi t I 2S out M S_Sel - 1K t o Gnd set s OP as Sl ave t o OLRCl k, OSCl k, I P as sl ave t o I LRCl k, I S

28、Cl k I nput s f r om CPLD Hi gh f or Unl ocked TO CPLD Desi gned f or I f = 5m A, M ax col l ect or cur r ent = 50m A KEEP UART 1 Fem al e B82004 CDR-882 Main PCB :- CPLD SRC Dig Audio Tx HHB Communications Ltd - JLH Systems Ltd. C 618Thursday, February 28, 2008 Title SizeDocument NumberRev Date:She

29、etof WdClk SRC_Unlock SRC_Out_SClk SRC_I2S_Out SRC_Bypass SRC_I2S_In SRC_Out_FsClkSRC_In_FsClk nReset SRC_In_SClk Int_8406 RxP_8406 Fs_8406 SClk_8406 Sd_8406 Fs256_8406 TCBL_8406 TxP_8406 MOSI SCK ShaftA ShaftB SRC_I2S_Out SRC_Out_FsClk SRC_Out_SClk SRC_Unlock SRC_In_FsClk SRC_In_SClk SRC_I2S_In SRC

30、_Bypass SpDifTx RxP_8406 SClk_8406 Fs_8406 Sd_8406 Fs256_8406 RS232_Tx1 Int_8406 TxP_8406 TCBL_8406 ExtOut1 ExtOut2 ExtOut3 ExtOut2 ExtOut1 ExtOut3 OptoExtOut1 OptoExtOut2 OptoExtOut3 ExtIn2 ExtIn1 ExtIn2 ExtIn3 ExtIn4 ExtIn5 OptoExtOut1 OptoExtOut2 OptoExtOut3 OptoExtIn1 OptoExtIn2 OptoExtIn3 OptoE

31、xtIn4 OptoExtIn5 ExtIn1 OptoExtIn1 OptoExtIn2 OptoExtIn3 OptoExtIn4 OptoExtIn5 PS2_Clk PS2_Data Act1_Green Act1_Red Mon_LED Mon_1 Mon_2 Act2_Red Rec_LED Act2_Green D13 D12 D9 D7 D15 D1 D5 D0 D3 D4 D2 D6 D11 D10 D14 D8 A3 A17 A19 A1 A18 A2 A4 ShaftSw Select1 Select2 PPM_R4 PPM_R3 PPM_R5 PPM_Col3 PPM_

32、Col1 PPM_Col2 PPM_R0 PPM_Col0 PPM_R1 PPM_R2 PPM_Col0 Rec_LED Sw23 Act2_Red PPM_Col1 Sw20 Sw22 PPM_Col2 PPM_Col3 Mon_2 Sw17 Sw18 Sw19 Sw15 PPM_R4 PPM_R0 Act2_Green Sw21 PPM_R2 Select2 PPM_R5 PPM_R1 PPM_R3 Mon_1 Sw14 Sw16 IrRx PS2_Clk ShaftB PS2_Data ShaftA ShaftSw Sw9 FRW_Led Sw18 Sw9 Act1_Red Sw12 S

33、w5 Sw6 nCs_LCD Sw8 Sw13 FFW_Led Play_Led SW23.1 Sw1 Sw10 Sw22 Sw4 Sw12 Sw15 Sw5 Sw10 Select1 Sw4 Sw3 Sw13 Sw2 Sw7 Sw11 Mon_LED Sw19 Sw2 Sw8 Stop_LED Sw23 A0_LCD Sw11 Act1_Green Sw14 Sw20 Sw3 Sw21 Sw6 Sw1 Sw7 nReset Sw17 Sw16 Stop_LED FRW_Led Play_Led FFW_Led Buf_A1 Buf_A2 Buf_A3 Sck MOSI Int IrRx Ex

34、tIn3 ExtIn4 ExtIn5 En100uSec5 MISO1,4 8406_Reset4 Cs_84064 WdClk1 256FsRec1 SClkRec1 FsRec1 WdClkSchmitt1 Mst_Osc1 SdIn1 DR0SEC4 DR1SEC4 DigIn_I2S4 D15:03,8,17 DigOut_I2S4 DT0SEC4 M_Fs 2,4 AMS33 ARE3 AWE3,8 AOE3,8,17 nReset2,3,14 Int_84161 RCBL_84161 nAudio1 UART_ClkEn5 NMI 3 SClk3,8 VcoRangeSel 1 P

35、llDivOut1 RS232_Rx114 RS232_Tx1 14 DEM_Control 2 VCXO_Cont 1 OVFR2 OVFL2 XLR/nRCA 10,15 Aes_Out+ 1 Aes_Out- 1 SpDifTx1 PS2_Data 1 PS2_Clk 1 AMS13,17 A19:13,8 nCDRW_Cs117 nCDRW_Cs017 M256Fs 1,2,5 M_SClk 2,4 VcoClk1 BR_CDRW17 BG 3,17 BR 3 nCDRW2_Cs017 nCDRW2_Cs117 nCs_LCD4 A0_LCD4 Buf_MOSI Buf_MOSI Bu

36、f_SCK Buf_A117 Buf_A217 Buf_A317 CDRW1_nWr17 CDRW1_nRd17 MOSI1,2,4 SCK1,2,4 CDRW2_nWr17 CDRW2_nRd17 CDRW_Irq17 CDRW2_Irq17 Buf_SCK 2.5V VCC VCC VCC VCC VCCVCC_Limit VCC_Limit VCC_Limit Vcc Vcc 5V VCC5V VCC FER18 D5 1N4148W R22360 R29 3k9 F2 140mA TP44 D3 1N4148W R133 47k TP45 FER24 R30 1K U8 TCMD400

37、0 1 3 5 7 2 4 6 8 16 14 12 10 15 13 11 9 A1 A2 A3 A4 C1 C2 C3 C4 Col1 Col2 Col3 Col4 E1 E2 E3 E4 C263 0.1uF FER29 R321K TP41 TP42 FER17 FER28 R251100 R21 360 FER20 R27360 C265 0.1uF R13 1K TP43 J9 CONN DSUB 9-R 5 9 4 8 3 7 2 6 1 G1 G2 J18 CON32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 2

38、2 23 24 25 26 27 28 29 30 31 32 TP38 U10 TCMD4000 1 3 5 7 2 4 6 8 16 14 12 10 15 13 11 9 A1 A2 A3 A4 C1 C2 C3 C4 Col1 Col2 Col3 Col4 E1 E2 E3 E4 R20 1K R18 1K FER25 TP40 TP37 J19 CON32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 R33 47k C266 0.1uF R253100 R

39、249100 TP39 FER19 FER26 R252100 C246 220pF R19 360 J8 CON10 1 2 3 4 5 6 7 8 9 10 U30 CS8406 4 12 13 14 21 2 27 3 28 1 9 19 15 6 23 22 26 25 20 24 5 7 8 16 17 18 10 11 RxP ILRClk ISClk SdIn OmClk AD0/Cs AD1/CdIn AD2 Scl/CClk Sda/CdOut nRst Int TCBL Vd VL Gnd TxP TxN U H/S TSTN Test1 Test2 Test3 Test4

40、 Test5 Test6 Test7 C264 0.1uF U11 CS8421 TS20 7 8 9 15 19 18 20 6 54 3 17 10 1 2 14 13 12 16 11 ILRClk ISClk SdIn MS_Sel SAIF SAOF Src_Unlock Bypass ResetGnd2 VD VL MClk_Out XTO XTI OLRClk OSClk SdOut Gnd1 Tdm_In R26 1K R15 360 R250100D6 1N4148W R31360 R35 22 FER22 R24360 FER23 FER34 D4 1N4148W R16

41、1K D7 1N4148W FER21 U13A HHB_Recorder_CPLD N3 A4 H12 C6 R9 C8 A10 T9 C9 D11 T10 E15 A11 A13 B4 R14 D1 H1 G1 R12 N15 A15 B16 L15 L16 T11 A5 P8 C10 R11 M14 A8 T6 P11 M13 J1 N14 P14 R16 T12 C13 G14 P10 C7 J14 P9 R4 T4 R5 H2 J3 J2 F3 B1 B6 B8 A7 B5 L13 K16 L14 J15 B9 D13 H3 B10 D12 R13 C14 R7 K15 M15 G3

42、 K1 M16 E1 T15 M1 L1 B14 J16 H5 F1 J12 K3 M4 K14 J5 C5 L3 N5 T5 L4 R6 T8 P7 T7 A2 P5 E16 H15 N1 D3 D2 R10 G2 M9 E3 P2 P12 E4 B3 C3 M2 T2 N2 R3 K2 P4 L2 M3 R1 E2 D5 D4 C4 C15 R8 F2 E13 H14 C12 F14 F13 G16 M8 B7 P6 F15 D15 C11 H16 A12 B11 A6 E14 B12 B13 D16 G15 F16 D14 A9 N12 P13 N13 T13 P15 C2 N16 WC

43、lk 256FsRec VCXO_256Fs/GClk3 D0 D1 D2 D3 D4 D5 D6 D7 A1 A2 A3 CS ARE M256Fs M_SClk M_Fs Sck MOSI SRC_Unlock SRC_Bypass 8416_I2S_In Shaft_A Shaft_B A19 A18 A17 SRC_I2S_Out SRC_I2S_In AWE AOE nRst DR0PRI/BF_DigIn SRC_OUT_SClk DT0PRI/DigTxI2S DT0SEC DR0SEC DR1SEC IRQ ExtIn0 ExtIn4 ExtIn3 ExtIn2 ExtIn1

44、ExtOut0 ExtOut1 ExtOut2 SRC_IN_FsClk SRC_OUT_FsClk SRC_IN_SClk SClkRec FsRec D8 D9 D10 D11 D12 D13 D14 D15 Rx1 IrRx Tx1 nCDRW2_CS1 Int_8416 RCBL_8416 nAudio_8416 Int_8406 TCBL_8406 RxP_8406 Fs_8406 SClk_8406 Sd_8406 Fs256_8406 WdClKSchmitt SpDifTx TxP_8406 UART_ClkEn En100uSec ProcClk/GClk0 CDRW1_IR

45、Q VCO_Clk/GClk2 VCO_RangeSel VCO_RefFs PS2_Data PS2_Clk/GClk1 Mon_LED Act1_Red Act1_Green Act2_Green Act2_Red Rec_LED Mon_1 Mon_2 Select1 VCXO_Centre_nTrack DEM_Cont OVFL OVFR XLR/nRCA PPM_Row0 PPM_Row1 PPM_Row2 PPM_Row3 PPM_Row4/CLRn PPM_Row5 PPM_Col0 PPM_Col1 PPM_Col2 PPM_Col3 Buf_MOSI FRW_LED FFW

46、_LED Stop_LED Play_LED Buf_A1 Buf_A2 Buf_A3 CDRW1_nWr CDRW1_nRd Buf_Sck nCDRW2_CS0 nCDRW1_CS0 nCDRW1_CS1 A0 CDRW2_IRQ nAMS1 Sw0/Shaft_Sw Sw1 Sw2 Sw3 Sw4 Sw5 Sw6/OE Sw7 Sw8 Sw9 Sw10 Sw11 Sw12 Sw13 Sw14 Sw15 Sw16 Sw17 Sw18 Sw19 Sw20 Sw21 Sw22 Sw23 BR_CDRW BR BG Test1 Select2 CDRW2_nWr CDRW2_nRd FER27

47、R25 360 C267 0.1uF TP46 R28100 R3422 5 5 4 4 3 3 2 2 1 1 DD CC BB A CPLD and digital audio transmitter Motherboard P8200 Page 7/18 HHB CDR-882 5 5 4 4 3 3 2 2 1 1 DD CC BB AA AK4620 IDT74FCT3244APY M29W160 U5 U14 U6 SDRAM V6309 U15 U42 IDT74FCT3244APY U13 BF531 U8BF531 U8 CS8406 PC3Q65J CS8416 OPTO1

48、 CS8421CPLD OPTO2 PC3Q65J CS8421 B82004 CDR-882 Main PCB :- Decouplers HHB Communications Ltd - JLH Systems Ltd. B 718Thursday, February 28, 2008 Title SizeDocument NumberRev Date:Sheetof VCCVCC VCC VCC VCC DSP_VDD_INT VCC VCC AGND VA VCC VCC VCC 2.5VVCCVCCVCC C225 0.1uF C35 0.01uF C26 0.01uF C228 0

49、.01uF C28 0.01uF C234 0.01uF C200 0.1uF C165 0.01uF C155 0.01uF C27 0.1uF C46 0.1uF C40 0.01uF C212 0.1uF C159 10uF C156 0.1uF C82 0.01uF C176 0.1uF C186 0.1uF C196 10uF C189 0.01uF C30 0.1uF C198 0.1uF C175 0.01uF C195 0.01uF C203 0.01uF C41 0.1uF C157 0.1uF C121 0.01uF C182 0.01uF C44 0.01uF C205 0.1uF C202 0.1uF C174 0.01uF C133 10uF C177 0.1uF C173 10uF C158 0.1uF C190 0.1uF C184 0.01uF C34 0.1uF C204 0.1uF C127 0.1uF C217 0.01uF C36 0.01uF C134 0.1uF C122 0.1uF C25 0.1uF C211 0.01uF C231 0.01uF C21 0.1uF C201 0.01uF C230 0.1uF C213 0.01uF C224 0.01uF C126 0.01uF C167 0.1uF