BKComponents-Reference50S2-avr-sch维修电路原理图.pdf

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1、Reference 50 S2Reference 50 S2 SERVICE MANUAL B&K COMPONENTS, LTD. 2100 Old Union Road Buffalo, New York 14227-2725 U.S.A. RadioFans.CN 收音机爱 好者资料库 6FKHPDWLFV6FKHPDWLFV B&K COMPONENTS, LTD. 2100 Old Union Road Buffalo, New York 14227-2725 U.S.A. RadioFans.CN 收音机爱 好者资料库 123456 A B C D 654321 D C B A T

2、itle NumberRevisionSize C Date:28-Jun-2004Sheet of File:C:BK_DataSeries_4Series_III_New_Mains13783-00.ddbDrawn By: 2 of 7 ESM/SBS VA+12 AGNDL15 SDATAI 3SDATAO 7 SCLK 6 CS 2 AOUTL14 AOUTR11 AIL 16AIR 9 ZCEN 1MUTE 8 DGND5 AGNDR10 VA-13 VD+4 U10CS3310 3 2 1 84 U2A AD712 5 6 7 U2B AD712 -15 +15 R2215K R

3、23 10K R24 221 R25 221 R26 10K R2715K R2810K R2910K C15 .1uF -5 C17 .1uF VDD VDD +5 C18 .1uF C19 .1uF R30 100K VA+12 AGNDL15 SDATAI 3SDATAO 7 SCLK 6 CS 2 AOUTL14 AOUTR11 AIL 16AIR 9 ZCEN 1MUTE 8 DGND5 AGNDR10 VA-13 VD+4 U11CS3310 R31 221 R32 221 R3310K -5 C20 .1uF VDD VDD +5 C21 .1uF VA+12 AGNDL15 S

4、DATAI 3SDATAO 7 SCLK 6 CS 2 AOUTL14 AOUTR11 AIL 16AIR 9 ZCEN 1MUTE 8 DGND5 AGNDR10 VA-13 VD+4 U12CS3310 R34 221 R35 221 -5 C22 .1uF VDD VDD +5 C23 .1uF R36 1.5K +15 C24.1uF C25 .1uF C26 .1uF SPI_D_3 SPI_Clk Vol_En Vol_En SPI_Clk SPI_D_4 Vol_En SPI_Clk SPI_D_4 Lf_VOL Rf_VOL RF LF Sub_VOL C_VOL Rr_VOL

5、 Lr_VOL Vol_Mute Vol_Mute Vol_Mute Z2_Vol_Mute 3 2 1 84 U3A AD712 5 6 7 U3B AD712 -15 +15 R4210K R43 10K R44 10K R4510K R4610K C27 .1uF SUB CTR 3 2 1 84 U4A AD712 5 6 7 U4B AD712 -15 +15 R4710K R48 10K R49 10K R5010K R5110K R5210K C29 .1uF RR LR LF RF CENTER SUB LR RR SUB CENTER RR LR LF RF LF RF CE

6、NTER SUB LR RR LF CENTER SUB RF LR RR W7 +15 W9 -15 +5 W10 +5 -5 W12 -5 R98 5.62 SPI_D_3 D3 LL4148 1 143 16 512 98 RL1 HAS212-05 1 143 16 512 98 RL2 HAS212-05 1 143 16 512 98 RL3 HAS212-05 Ref Series III S2 Bass Management B&K pn 13783-0B - LX RX LX RX VA+12 AGNDL15 SDATAI 3SDATAO 7 SCLK 6 CS 2 AOUT

7、L14 AOUTR11 AIL 16AIR 9 ZCEN 1MUTE 8 DGND5 AGNDR10 VA-13 VD+4 U22CS3310 R141 221 R142 221 -5 C73 .1uF VDD VDD +5 C74 .1uF C75 .1uF SPI_Clk Vol_En SPI_D_1 Rx_VOL Lx_Aud Vol_Mute 3 2 1 84 U23A AD712 5 6 7 U23B AD712 -15 +15 R4110K R96 10K R105 10K C76 .1uF RX LX LX RX SPI_D_2 SPI_D_2 L3 3 LCM2 8 L4 4

8、LCM1 5 L5 6 L6 7 S17 VSS16CLK 15DI 14CE 13VEE 12 RST18 VDD19 L2 2 L7 9 L8 10 LCM3 11 R722 RCM223 R624 R525 RCM126 R427 R328 R229 R821 RCM320 L1 1 R130 U15LC7821 M1_En SPI_Qout SPI_Qclk Sel_Rst Lt_AudRt_Aud V2B_LV2B_R MISC Z2 AUDIO SELECTOR +15-15 C55 .1uF R95 47.5K Z2_L_VOLZ2_R_VOL V2_RV2_L L3 3 LCM

9、2 8 L4 4 LCM1 5 L5 6 L6 7 S17 VSS16CLK 15DI 14CE 13VEE 12 RST18 VDD19 L2 2 L7 9 L8 10 LCM3 11 R722 RCM223 R624 R525 RCM126 R427 R328 R229 R821 RCM320 L1 1 R130 U24LC7821 M2_En SPI_Qout SPI_Qclk Sel_Rst Sub_G4Rx_G4 Sub_WRx_W Sub_Gain Rx_Out Sub_G1Rx_G1 Sub_Out Rx_W MISC SUB AUDIO SELECTOR +15-15 Sub_

10、G2 Sub_G3 Rx_G2 Rx_G3 Sub_Dmx Rx_Gain Lr_W C_W Lr_Out C_Out Lr_Dmx C_Dmx VA+12 AGNDL15 SDATAI 3SDATAO 7 SCLK 6 CS 2 AOUTL14 AOUTR11 AIL 16AIR 9 ZCEN 1MUTE 8 DGND5 AGNDR10 VA-13 VD+4 U13CS3310 -5 Rr_W C34 .1uF Rr_Out Rr_Dmx VDD +5 C35.1uF C36.1uF Vol_En SPI_Clk Z2_L_VOL Z2_R_VOL Z2_Vol_Mute VDD ZONE

11、2 VOLUME SPI_Out SPI_D_1 Z2_R_VOL Z2_L_VOL ZD3 OPEN ZD4 OPEN ZD5 OPEN ZD6 OPEN V2B_L V2B_R V2_L V2_R V2B_L V2B_R V2_L V2_R Z2_A_Out_R Z2_A_Out_L R93221 R94221 Lf_VOL Rf_VOL Lf_VOL Rf_VOL C_VOL Sub_VOL C_VOL Sub_VOL Lr_VOL Rr_VOL Lr_VOL Rr_VOL Rx_VOL Rx_VOL Z2_A_Out_L Z2_A_Out_R Z2_A_Out_L Z2_A_Out_R

12、 R15210K Lf_W C_Dmx Lr_Dmx Rf_W C_Out Sub_Out Lr_Out Rr_Out Lx_W Rx_Out Sub_Dmx C_Dmx Rr_Dmx Lf_W Rf_W Sub_W C_W Rr_W Lr_W Rx_W Lx_W Sub_Dmx 3 2 1 84 U27A LF353 5 6 7 U27B LF353 -15 +15 R106 10K R107 10K C78 .1uF C79 .1uF S_Gain S_Inv Sub_G1 Sub_G3 Sub_G2 Sub_G4 Sub_W R1634.64K R1657.5K R16724.3K R1

13、692.49K R17117.4K R108 10K 3 2 1 84 U28A LF353 5 6 7 U28B LF353 -15 +15 R109 10K R110 10K Rx_Gain Rx_Inv R1644.64K R1667.5K R16824.3K R1702.49K R17217.4K R111 10K Rx_G1 Rx_G3 Rx_G2 Rx_G4 Rx_W Sub_Gain Rx_Gain 3 2 1 84 U29A LF353 +15 -15 C86 .1uF C87 .1uF R112 47.5K ZD12 12V 5 6 7 U29B LF353 R113 47.

14、5K R114 47.5K R115 47.5K R116 47.5K R150 47.5K Lf_Vol Rf_Vol C_Vol Sub_Vol Lr_Vol Rr_Vol R117 47.5K R118 47.5K ZD13 12V R119 47.5K R151 47.5K Aud_O_Det Aud_I_Det A_Lf A_Rf PRE & POST AUDIO DETECTORS R175 24.3K R176 24.3K R120 47.5K R121 47.5K Lx_Aud Rx_Vol TAP_A_Out_L TAP_A_Out_R TAP_A_Out_L TAP_A_O

15、ut_R Lx_Aud Lx_Aud Rt_Aud Lt_Aud Rt_Aud Lt_Aud Rx_Aud Rx_Aud Sub_Aud Sub_Aud C_Aud C_Aud Lr_Aud Lr_Aud Rr_Aud Rr_Aud Lf_Aud Lf_Aud Rf_Aud Rf_Aud Aud_I_Det Aud_O_Det RX LX 1 143 16 512 98 RL4 HAS212-05 Z1_Rly_En D4 LL4148 R38 1.5K Z2_A_Out_R Z2_A_Out_L 1 143 16 512 98 RL5 HAS212-12 Z2_Rly_En +12 ZD7

16、1N963 R143 1.5K +15 R153 1K R122 10K R144 1.5K R123 10K R145 1.5K R154 1K Out_Det In_Det W20 GND +15-15 D1 LL4148 in place of R173 in place of R174 D2 LL4148 C16 .1uF C28 .1uF C30 .1uF C77 .1uF R192 1K R193 1K R173 1KR174 1K R156 1K C66 330pF C67 330pF C94 330pF C95 330pF C65 330pF C68 330pF C92 330

17、pF C93 330pF Q9 BC860CL Q10 BC860CL VDD +C72 100uF/25V 12 34 56 78 910 1112 1314 1516 1718 1920 2122 2324 2526 2728 2930 3132 3334 3536 3738 3940 JP6 HEADER 2X20 RF LF LR RR CENTER SUB RX LX Z2_A_Out_R Z2_A_Out_L RF LF LR RR CENTER SUB RX LX Z2_A_Out_R Z2_A_Out_L -15 +15 -15 +15 Vol_En SPI_Out SPI_C

18、lk SPI_Out SPI_Clk Vol_En Sel_Rst Sel_Rst M1_En M2_En M1_En M2_En SPI_Qout SPI_Qclk SPI_Qout SPI_Qclk Q2 BC850CL Q16 BC850CL Vol_Mute Vol_Mute -5 W11 -5 123456 A B C D 654321 D C B A Title NumberRevisionSize B Date:28-Jun-2004Sheet of File:C:BK_DataSeries_4Series_III_New_Mains13783-00.ddbDrawn By: 3

19、 of 7 ESM/SBS V1_A_In_R 48 Y W R 12 CON4RCA_RWY_X3 48 Y W R 12 CON3RCA_RWY_X3 48 Y W R 12 CON2RCA_RWY_X3 2 1 5 4 3 6 7 8 CON8 RJ45 2 1 CON1 AM PC MOUNT RS232_In RS232_Out 48 Y W R 12 CON5RCA_RWY_X3 V1_A_In_L V1_V_In V2_A_In_R V2_A_In_L V2_V_In V3_A_In_R V3_A_In_L V3_V_In DVD_A_In_R DVD_A_In_L DVD_V_

20、In CD_A_In_R CD_A_In_L CD_V_In SAT_A_In_R SAT_A_In_L SAT_V_In TAP_A_In_R TAP_A_In_L TAP_V_In Z1_V_Out Z2_A_Out_R Z2_A_Out_L Z2_V_Out V2_A_Out_R V2_A_Out_L V2_V_Out V1_A_Out_R V1_A_Out_L V1_V_Out TAP_A_Out_R TAP_A_Out_L TAP_V_Out SUB CENTER RF LX RX LF AM_ANT LED_A LED_K Ref Series III S2 Connector/C

21、ontrol/Switch B&K pn 13783-0C - 2 4 1 3 Sa Sb CON12 IEEE-1394-S4 B T CON9 7275-8NB B T CON10 7275-8NB B T CON11 7275-8NB 48 G W R CON6RCA_RWY_X2 48 G W R CON7RCA_RWY_X2 LR RR A/V OUTPUT SIGNALS RS-232 I/O A/V INPUT SIGNALS DVD AUDIO INPUT D5 LL4148 D6 LL4148 R177402 Z2 IR IN Z1 IR IN CONT1CONT2CONT3

22、CONT4 CONT1CONT2CONT3CONT4 Q11 TIP32C R178 68.1 D7 DL4002 +12 D8 DL4002 ZD8 1N748 R124 10K Q13 TIP32C R179 68.1 D9 DL4002 +12 D10 DL4002 ZD9 1N748 R125 10K Q14 TIP32C R180 68.1 ZD10 1N748 R126 10K Q15 TIP32C R181 68.1 ZD11 1N748 R127 10K +12+12 R146 1.5K R128 10K R147 1.5K R129 10K R148 1.5K R130 10

23、K R149 1.5K R131 10K R182 3.01K R183 3.01K R184 3.01K R185 3.01K 12 34 56 78 910 JP2 Header 2X5 LED_K LED_A DVDA_In_Lf DVDA_In_Rf DVDA_In_C DVDA_In_Lr DVDA_In_Rr DVDA_In_S CON13 +12 Z1_V_OutTAP_V_InV1_V_OutSAT_V_InTAP_V_OutCD_V_InZ2_V_OutDVD_V_InV2_V_OutV3_V_InV1_V_InV2_V_In CON18 +12 Q4 BC850CL Q6

24、BC850CL Q7 BC850CL Q8 BC850CL +12 123456 A B C D 654321 D C B A Title NumberRevisionSize B Date:28-Jun-2004Sheet of File:C:BK_DataSeries_4Series_III_New_Mains13783-00.ddbDrawn By: 4 of 6 ESM/SBS V+ 2 C1+ 1 C1- 3 T1O 14 T2O 7 R1I 13 GND15 VCC16 R2I 8 C2+4 C2-5 T1I11 T2I10 R1O12 R2O9 V- 6 U17 MAX232sm

25、t + C46 1uF/50V + C47 1uF/50V C48 .1uF + C49 1uF/50V + C50 1uF/50V PLL_Clk PLL_En SPI_Out SPI_Clk RS232_In RS232_Out A01 A12 A23 VSS4 VCC 8 NC 7 SCL 6 SDA 5 U19 24C128 IR_Data Z86_Data Z86_Clk VFD_Clk LED_St Z86_Data Z86_Clk VFD_Clk LED_St IR_Data XDISPB VFD_Rst LED_K LED_A IR_Data Z86_Data SPI_Out

26、Z86_Clk VFD_Clk PLL_Clk LED_St FL1 FL2 SPI_Clk 12 34 56 78 910 1112 1314 1516 1718 1920 2122 2324 2526 2728 2930 3132 3334 3536 3738 3940 JP7 HEADER 2X20 Ser_Busy Ser_Clk Ser_Data Program Ser_En RS232_TXD RS232_RXD Ser_Rd Ser_Wr Z86_Int 12 34 56 78 910 1112 1314 1516 1718 1920 2122 2324 2526 2728 29

27、30 3132 3334 3536 3738 3940 JP3 RECEPTACLE 2X20 VCC VCC Sys_Clk VCC Vol_En Aud_En Aud_En SPI_Out SPI_Clk Vol_En OSD_En Comp_Vid_Sel S_Vid_Sel Vid_Det Sys_Clk Sys_Clk Vid_Det OSD_En S_Vid_Sel Comp_Vid_Sel I2C_Clk I2C_Data I2C_Data I2C_Clk LED_A LED_K M1_En CONT1 CONT2 CONT3 CONT4 M1_En LED_A LED_K CO

28、NT1 CONT2 CONT3 CONT4 PLL_En PLL_Clk Mclk ADC Aud_Sys_En DAC_F DAC_C DAC_R Mclk DAC_F DAC_C DAC_R ADC Aud_Sys_En MPX_Det Sta_Det SPI_In SPI_In Ser_Clk Ser_Clk Ser_Data Ser_Data Ser_En Ser_En Ser_Rd Ser_Rd Ser_Wr Ser_Wr EXTL EXTL Ser_Busy Ser_Busy DSP_En DSP_En SPDIF_En SPDIF_En Z86_Int Z86_Int MPX_D

29、et Sta_Det Program Program PLL_Clk Aud_O_Det Aud_I_Det Aud_O_Det Aud_I_Det VCC VCC RS232_TXD RS232_RXD I2C_Clk I2C_Data FRONT PANEL CONNECTORDALLAS CONTROLLER RECEPTACLE XILINX I/O PORTS IR_Data Done Program C56 .1uF C57 .1uF C58 .1uF C59 .1uF C60 .1uF C61 .1uF C62 .1uF C63 .1uF VCC VCC W16 GNDA +C6

30、9 100uF/25V Amp_En Amp_En M_PDN M_PDN R97 3.01K Amp_En Amp_En W18 AON W28 FL2 W29 FL1 R37 26.7K Ref Series III S2 Digital Control B&K pn 13783-0D - 12 34 56 78 910 JP9 HEADER 2X5 DIGITAL I/O CONNECTOR DAC_T DAC_X DAC_T DAC_X Sync Sync Sclk Sclk Z2_SPDIF_In Z1_SPDIF_InZ1/Z2_SPDIF_O Z1/Z2_SPDIF_O SPI_

31、Out SPI_Clk Dig_En M2_En M2_En Z2_Rly_En Z1_SPDIF_In Z1_SPDIF_In DSP_Fst DSP_Fst DSP_Sckt DSP_Sckt Z2_Rly_En Z1_Rly_En Z1_Rly_En R132 10K R133 10K I2C_Clk I2C_Data OSD_En Comp_Vid_Sel Z1_V_Out V1_V_Out TAP_V_Out Z2_V_Out V2_V_Out V1_V_In V2_V_In V3_V_In DVD_V_In CD_V_In SAT_V_In TAP_V_In S_Vid_Sel 1

32、2 34 56 78 910 1112 1314 1516 1718 1920 2122 2324 2526 2728 2930 3132 3334 3536 3738 3940 JP8 HEADER 2X20 Vid_Det M_Sys_Clk SPI_Clk SPI_Out VIDEO SYSTEM CONNECTOR V1_V_In V3_V_In DVD_V_In CD_V_In SAT_V_In TAP_V_In Z1_V_Out Z2_V_Out V2_V_Out V1_V_Out V1_V_In V3_V_In DVD_V_In CD_V_In SAT_V_In TAP_V_In

33、 Z1_V_Out Z2_V_Out V2_V_Out V1_V_Out V2_V_In V2_V_In TAPE_V_Out TAPE_V_Out R53100 R54 OPEN R57OPEN R5810K R77 10K R7810K Rd_Trig Rd_Data R8610K VFD_Rst VFD_Rst DSP_Rst DSP_Rst SPI_Qout SPI_Qout SPI_Qclk SPI_Qclk Q12 BC850CL Vid_Ctrl Vol_Mute Vol_Mute Vcc89 Vcc100 Vcc 12 Gnd88 Gnd 1 Gnd 11 I/O90 I/O9

34、1 I/O92 I/O94 I/O95 I/O96 I/O93 I/O_SGCK199 I/O_PGCK1 2 I/O 3 I/O_TD1 4 I/O_TCK 5 I/O_TMS 6 I/O 7 I/O 8 I/O 9 I/O 13 I/O 14 I/O 15 I/O 16 I/O 17 I/O 18 I/O_SGCK2 21 NC 22 Gnd 23 MODE 24 Vcc 25 NC 26 I/O_PGCK2 27 I/O_HDC 28 I/O_LDC 30I/O 29 I/O 31 I/O 32 I/O_INIT 36 Vcc 37 Gnd 38 I/O 33 I/O 34 I/O 35

35、 I/O 40 I/O 41 I/O 42 I/O 39 I/O_SGCK3 48 Gnd 49 Done 50 Vcc51 Program52 I/O53 I/O_PGCK354 I/O55 I/O57 I/O58 I/O59 I/O60 Vcc63 Gnd64 I/O61 I/O62 I/O65 I/O66 I/O67 I/O68 I/O_DIN72 I/O_DOUT73 C_Clk74 Vcc75 O_TDO76 Gnd77 I/O78 I/O_PGCK479 I/O80 I/O85 I/O81 I/O82 I/O83 I/O84 XILINX Spartan XCS10 I/O 19

36、I/O 10 I/O 20 I/O 43 I/O 44 I/O 45 I/O 46 I/O 47 I/O69 I/O70 I/O71 I/O97 I/O87 I/O86 I/O56 I/O98 U18 Aud_En OSD_En DSP_En Vid_Det Aud_Sys_En DSP_Fst SPI_In SPDIF_En VCC Dig_En Rd_Data Rd_Trig VCC Z86_Clk VFD_Clk LED_St PLL_En Ser_Busy MPX_Det Sta_Det Z86_Data VCC Done Vid_Ctrl Sys_Clk Ser_En Z86_Int

37、 Ser_Rd Ser_Wr Ser_Data Program VCC VCC VCC Ser_Clk Ser_Clk Vol_En I2C_Clk M1_En M2_En I2C_Data Aud_O_Det Aud_I_Det VCC VCC SPI_Out SPI_Qclk SPI_Qout R8 5.62 R22.49K DSP_I2S_In Z2_SPDIF_In DSP_Hckt Z1_SPDIF_In IR_Data CONT1 CONT2 CONT3 CONT4 Amp_En Mclk ADC Z1_Rly_En Z2_Rly_En Vol_Mute SPDIF_ERR_1 S

38、PI_Clk Pin 17 was SPDIF_R_O DSP_2_EN Pin 10 was EXTL SPDIF_ERR_0 DSP_3_EN I/O 12 34 56 78 910 1112 1314 1516 1718 1920 2122 2324 2526 2728 2930 3132 3334 3536 3738 3940 JP5 RECEPTACLE 2X20 DSP RECEPTACLE DAC_F DAC_R DSP_Hckt SPI_Out DSP_I2S_In DSP_En DSP_Sckt DAC_C DSP_Fst SPI_In DSP_Rst SPDIF_En SP

39、I_Clk VCC Z1/Z2_SPDIF_O Z1_SPDIF_In DAC_X DAC_T SPDIF_ERR_1 DSP_2_EN Pin 5 was SPDIF_R_O DSP_3_EN Pin 30 was EXTL SPDIF_ERR_0 R85 0 Ohm Res SPDIF_ERR_1 DSP_3_EN R85 is loaded when using a Single DSP Board - R85 is OPEN when using a 3 DSP Board 123456 A B C D 654321 D C B A Title NumberRevisionSize B

40、 Date:28-Jun-2004Sheet of File:C:BK_DataSeries_4Series_III_New_Mains13783-00.ddbDrawn By: 6 of 7 ESM/SBS 3 2 1 84 U5A LF353 5 6 7 U5B LF353 -15 +15 R55 221 R56 221 R59 1M C31 .33uF C32 .33uF L3 3 LCM2 8 L4 4 LCM1 5 L5 6 L6 7 S17 VSS16CLK 15DI 14CE 13VEE 12 RST18 VDD19 L2 2 L7 9 L8 10 LCM3 11 R722 RC

41、M223 R624 R525 RCM126 R427 R328 R229 R821 RCM320 L1 1 R130 U14 LC7821 TAP_R TAP_L +15 C33 .1uF Z1 AUDIO SELECTOR R60 1M Sel_Rst Sel_Rst SPI_Out SPI_Clk Aud_En Aud_En SPI_Out SPI_Clk M1_En M1_En V1_A_In_R V1_A_In_L R61 1K R62 1K Aud_En SPI_Qout SPI_Qclk Sel_Rst V1_L V1_R V2_A_In_R V2_A_In_L R63 1K R6

42、4 1K V2_L V2_R V3_A_In_R V3_A_In_L R65 1K R66 1K V3_L V3_R DVD_A_In_R DVD_A_In_L R67 1K R68 1K DVD_L DVD_R CD_A_In_R CD_A_In_L R69 1K R70 1K CD_L CD_R TUN_A_R TUN_A_L R71 1K R72 1K TUN_L TUN_R SAT_A_In_R SAT_A_In_L R73 1K R74 1K SAT_L SAT_R TAP_A_In_R TAP_A_In_L R751K R761K TAP_L TAP_R V1_L V2_L V3_

43、L DVD_L CD_L TUN_L SAT_L DVDA_Rt V1_R V2_R V3_R DVD_R CD_R TUN_R SAT_R DVDA_Lt L3 3 LCM2 8 L4 4 LCM1 5 L5 6 L6 7 S17 VSS16CLK 15DI 14CE 13VEE 12 RST18 VDD19 L2 2 L7 9 L8 10 LCM3 11 R722 RCM223 R624 R525 RCM126 R427 R328 R229 R821 RCM320 L1 1 R130 U16LC7821 V1_L DVDA_Lt V3_L DVD_L CD_L TUN_L SAT_L TA

44、P_L V1_R DVDA_Rt V3_R DVD_R CD_R TUN_R SAT_R TAP_R TAP_A_Out_R TAP_A_Out_L 3 2 1 84 U6A LF353 5 6 7 U6B LF353 -15 +15 R79 221 R80 221 R83 1M V1_R V1_L R84 1M V1_A_Out_R V1_A_Out_L 3 2 1 84 U7A LF353 5 6 7 U7B LF353 -15 +15 R87 221 R88 221 R91 1M V2_R V2_L R92 1M V2_A_Out_R V2_A_Out_L TAPB_R TAPB_L V

45、1B_R V1B_L V2B_R V2B_L DVDA_S Rr_Aud TAPB_LTAPB_R Lr_Aud Lf_VOL Rf_VOL Lf_VOL Rf_VOL Rx_Aud Rx_VOL Z2 AUDIO SELECTOR V2/Z2 LINE OUTPUT V1 LINE OUTPUT TAPE LINE OUTPUT -15 C41 .1uF C42 .1uF C43 .1uF C44 .1uF C45 .1uF +15-15 V2B_LV2B_R Ref Series III S2 Audio Selector B&K pn 13783-0S - L3 3 LCM2 8 L4

46、4 LCM1 5 L5 6 L6 7 S17 VSS16CLK 15DI 14CE 13VEE 12 RST18 VDD19 L2 2 L7 9 L8 10 LCM3 11 R722 RCM223 R624 R525 RCM126 R427 R328 R229 R821 RCM320 L1 1 R130 U25 LC7821 M1_En SPI_Qout SPI_Qclk Sel_Rst TAP_LTAP_R A_LfA_Rf Z1_A_LZ1_A_R TAPB_LTAPB_R DVDA_LrDVDA_Rr MISC Z1 AUDIO SELECTOR +15-15 Lt_AudRt_Aud

47、V1B_LV1B_R L3 3 LCM2 8 L4 4 LCM1 5 L5 6 L6 7 S17 VSS16CLK 15DI 14CE 13VEE 12 RST18 VDD19 L2 2 L7 9 L8 10 LCM3 11 R722 RCM223 R624 R525 RCM126 R427 R328 R229 R821 RCM320 L1 1 R130 U26 LC7821 M2_En SPI_Qout SPI_Qclk Sel_Rst DVDA_LfDVDA_Rf Lf_VOLRf_VOL Lr_VOLRr_VOL A_LfA_Rf Lf_AudRf_Aud DVDA_LrDVDA_Rr

48、MISC 5.1 AUDIO SELECTOR +15-15 C_VOLSub_VOL DVDA_CDVDA_S C_AudSub_Aud C_VOL Sub_VOL C_VOL Sub_VOL Lr_VOL Rr_VOL Lr_VOL Rr_VOL Rx_VOL Rx_VOL Note: Lx_Aud is not switched M2_En M2_En DVDA_In_Lf DVDA_In_Rf DVDA_In_C DVDA_In_Lr DVDA_In_Rr DVDA_In_S DVDA_Lf DVDA_Rf DVDA_C DVDA_S DVDA_Lr DVDA_Rr HEADPHONE

49、 BUFFER R99 47.5 R100 47.5 R101 17.4K 3 2 1 84 U21A LF353 5 6 7 U21B LF353 -15 +15 R102 17.4K R103 17.4K R104 17.4K C70 .1uF C71 .1uF L_HEAD R_HEAD W19 L_Hp W8 GND W21 R_Hp LF RF 12 34 56 78 910 1112 1314 1516 1718 1920 2122 2324 2526 2728 2930 3132 3334 3536 3738 3940 JP1 RECEPTACLE 2X20 AUDIO SYSTEM -5 ADC Aud_Sys_En DAC_F DAC_C DAC_R DSP_Sckt DSP_Fst Lf_Aud Rf_Aud C_Aud Sub_Aud Lr_Aud Rr_Aud +5 -5 +5 DAC_X DAC_T I2C_Clk I2C_Data Mclk Z1_A_L Z1_A_R Lt_Aud Rt_Aud Rx_Aud Lx_Aud Z1_SPDIF_In M_PDN R157 1K R158 1K R159 1K R160 1K R161 1K R162 1K Lx_Aud Lx_Aud I2C_Clk I2C_Data Aud_Sys_En