Bryston B135_SCHEMATICS电路图.pdf

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1、1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA LTD P.O. BOX 2170, 677 NEAL DR. PETERBOROUGH, ONTARIO CANADA K9J 7Y4 PHONE (705) 742-5325 FAX (705) 742-0882 WWW.BRYSTON.CA Date : Size : D 2012-07-16 File :b135 overall schematic r1.schdocSheet :Rev : Drawn : Title : * 1R17 100R 1D1 AUX IR AGNDR 1R6 604R

2、1R5 604R -24VR +24VR -24VL +24VL 1R1 1K0 1R2 1K0 1R7 10K0* 1R3 6K65 1R9 20K0* 1C247p +24VL 1R8 10K0* 1R10 10K0* 1C447p AGNDL +24VR +1C9 47u +1C8 47u + 1C7 47u Vee SCK SDI Vss Vdd SDO CS OE VeeK OUT8 OUT7 OUT6 OUT5 OUT4 OUT3 OUT2 OUT1 1IC1MIC5841 RLY2 RLY1 RLY3 RLY4 RLY5 RLY6 RLY7 RLY8 -24VR +24VR +1

3、2V -V_RLY -V_RLY SCLCK SDATA DGND +5VD CS_RLY OE -V_RLY -V_RLY SCLCK SDATA CS_RLY OE +5VD 1C5 100n 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1J28 BP4 BP3 P_OUT_L- PGNDR AGNDL PAGNDL P_IN_L TEMP 1D2 1Q1 TN5325 MUTE 1 2 3 4 5 6 1J26 MUTE PGR P_IN_R + 1RL1 1 2 3 4 5 6 1J25 AGNDL MUTE PRE-OUT PWR-IN PGL

4、 P_IN_L +12V+12V +12V+12V+12V+12V+12V+12V +12V +12V +12V +12V+12V+12V+12V+12V +5VD RLY1RLY2RLY3RLY4RLY5RLY6RLY7 RLY8 TO RLY1RLY2RLY3RLY4RLY5RLY6 RLY7 RLY8 AGNDR AGNDL TO MUTE Tx Rx +24VL TIL+ TIL- -24VL TOL +24VR TIR+ TIR- -24VR TOR B135 BP17 TAPE Buffer +24VL LA+ LA- LAO LB+ LB- -24VL LBO B135 BP17

5、 Input Buffers Left R1 DGND + 1C6 47u RELAY DRIVERS DACPHONO 1J22 1J32 1J33 1J21 -24VR +24VR OPT1 OPT2 OPT1 +12V +12V CS_DIG 1J34 OPTIONS INPUTS OPT2 SDATA SCLCK CS_DIG +12V DGND DGND DGND DGND +5VD 1 2 3 4 1J35 TOSL1 PAGNDL TOSL1 TOSL2 TOSL2 TRIG2 1C10 47n 1R12 49K9 1R11 49K9 1R13 10K 1R16 49K9* AG

6、NDL 1R19 0R0 + 1C1 68u + 1C3 68u + 1RL2 + 1RL3 + 1RL4 + 1RL5 + 1RL6 + 1RL7 + 1RL8 + 1RL9 + 1RL10 + 1RL11 + 1RL12 + 1RL13 + 1RL14 + 1RL15 + 1RL16 AGNDLAGNDL AGNDRAGNDR 1C12 100n 1C13 100n AGNDR AGNDL 1S2 + 1RL17 LPHA 2LPHA LPHB 2LPHB LAUA 2LAUA LAUB 2LAUB LCDA 2LCDA LCDB 2LCDB 2LTUA LTUA 2LTUB LTUB L

7、TVA 2LTVA 2LTVB LTVB LVIA LVIB 2LVIB LRIA 2LRIA 2LRIB LRIB 2LROA LROA 2AGNDL 2AGNDL2 2PAGNDL LPOA 2LPOA 2LPIA LPIA RPHA 3RPHA 3RPHB RPHB RAUA 3RAUA 3RAUB RAUB RCDA 3RCDA 3RCDB RCDB RTUA 3RTUA 3RTUB RTUB 3RTVA RTVA RTVB 3RTVB RVIA 3RVIA 3RVIB RVIB RRIA 3RRIA RRIB 3RRIB 3AGNDR2 3PAGNDR RROA 3RROA 3RPO

8、A RPOA 3RPIA RPIA 2J1 PHONO 2J2 AUX 2J3 CD 2J4 TUNER 2J5 TV 2J6 VIDEO 2J7 FROM REC 2J8 TO REC 2J9 PRE OUT 2J10 PWR IN 3J11 PHONO 3J12 AUX 3J13 CD 3J14 TUNER 3J15 TV 3J16 VIDEO 3J17 FROM REC 3J18 TO REC 3J19 PRE OUT 3J20 POWER IN Right Channel I/O Left Channel I/O 1 2 3 4 5 1CON1 1 2 3 4 5 1CON2 1 2

9、3 4 5 1CON3 1 2 3 4 5 1CON4 1 2 3 4 5 1CON5 1 2 3 4 5 1CON6 1 2 3 4 5 1CON7 1 2 3 4 5 1CON8 1 2 3 4 5 2CON11 1 2 3 4 5 2CON12 1 2 3 4 5 2CON13 1 2 3 4 5 2CON14 1 2 3 4 5 3CON15 1 2 3 4 5 3CON16 1 2 3 4 5 3CON17 1 2 3 4 5 3CON18 3AGNDR AGNDR AGNDR PAGNDR RPOA RROA RTVA RPIA RRIA RRIB RVIA RVIB RTUB R

10、TUA RAUB RAUA RTVB RCDB RCDA RPHB RPHA AGNDL AGNDL PAGNDL LPHA LPHB LCDA LCDB LTVA LAUA LAUB LTUA LTUB LVIA LVIB LRIB LRIA LPIA LTVB LROA LPOA B135 BP17 IN OUT Board R1 1 2 1CON10 1 2 1CON9 1 2 2CON19 1 2 3CON110 AGNDR AGNDR AGNDL AGNDL AGNDL2 AGNDL2 AGNDR3 AGNDR3 1S3 1S4 AGNDR 1R21 10K0* 1R23 6K65

11、1R24 20K0* 1C1447pF -24VL 1R25 10K0* 1R28 10K0* 1C1547p -24VR +24VR RA+ RA- RAO RB+ RB- -24VR RBO 1R26 49K9* 6db 6db1R30 100R* 1R29 100R* 1C16 47pF 1C17 47p + 1C18 68u + 1C19 68u + C1 1.5u C2220p R1 2K21 DGND+5V +V G J1 +V G J2 R2 2K21 1 2 3 4 J3 C3220p B135 BP17 TosLink Board R1 1J31 2LVIA 2LTVB AG

12、NDR AGNDR 3RTVA -24VL +24VL-24VL +24VL -24VR +24VR CS_RIGHT MT_LC SDATA SCLCK +5VR R1 4K99* R3 1K0 -24VL HLI+ HLI- +24VL HOL DOA-68L R19 4K99* R21 1K0 R2 20K C147p R20 20K C1347p 1 2 3 4 5 6 J1 +5VL CS_LEFT MT_LC SDATA SCLCK LEFT AGNDR ZCEN CS SDI Vd+ DGND SCLK SDO MUTE VinR AGNDR VoutR Va+ Va- Vout

13、L AGNDL VinL IC1 PGA2320 R13 100R +15VL -15VL R9 10K C26 100n R4 22R1 R5 10K C4220p R6 49R9R10 22R1 R11 10K C8220p R12 49R9 R16 22R1 R17 10K C12220p R18 49R9 R22 22R1 R23 10K C16220p R24 49R9 ZCEN R14 100R ZCEN ZCEN CS SDI Vd+ DGND SCLK SDO MUTE VinR AGNDR VoutR Va+ Va- VoutL AGNDL VinL IC2 PGA2320

14、+15VR -15VR R8 10K C27 100n -24VR HRI+ HRI- +24VR HOR DOA-68R -24VL DLI+ DLI- +24VL DOL DOA-68L -24VR DRI+ DRI- +24VR DOR DOA-68R +24VR -24VR AGNDL R31 4K99* C4747p R35 4K99* R36 4K99* R37 4K99* R38 4K99* R32 4K99* R33 4K99* R34 4K99* C1147p C4847p C747p R40 100R R39 100R C3 47p C15 47pF DGND DGND R

15、43 100R R44 100R R45 100R R46 100R R29 100R R30 100R R41 100R R42 100R B135 BP17 LC Board R1 AGNDR AGNDR AGNDR AGNDL AGNDL AGNDL AGNDL DGND DGND 1 2 3 4 5 6 J2 1SW1A RS232_RXRS232_TX -24VR-24VR +24VR+24VR AGNDR AGNDRAGNDR AGNDR -V_RLY -V_RLY SCLCK SDATA DGND DGND OE +12V +5VD RIGHT +12V +5VD TO TRIG

16、1TRIG2 12 34 56 78 910 1112 J7 OPT1 OPT2 CS_DAC RS232_RX RS232_TX SDATA SCLCK OPT1 OPT2 CS_OEX +12V TO DGND DGND -V_RLY -V_RLY CS_RIGHT CS_LEFT MUTE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J6 CS_RLY +5StB CS_DAC OE HDPH_L HDPH_R CS_RLY SH2 SH1 +24VR-24VR +24VL-24VL +24VL-24VL +5VD TRIG_1

17、TRIG_2 MT_LC MUTE R26 499R R25 499R SCLCK SDATA OE CS_OEX +5VD Output Expander R27 49K9 R28 49K9 MR Q2 Q3 Q4 Q5 Q6 Q7 GND DO CLK Q1 Vcc Q0DS OE CS IC3 74HC595 C17 100nF ZCEN IC8 SFH6156-4T IC9 SFH6156-4T R7 10K R15 10K R47 240R R48 240R C49 220p DGND 1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 +5VD +5VL A

18、GNDLAGNDR +24VL -24VL-24VR +24VR in outin gnd in in IC11 MC79L15 gnd out gnd gnd gnd in IC4 MC78L15 + C30100u + C31100u + C29100u + C32100u C2100nC10100n C6100nC14100n C18 100n C33100n C19100n C36100n C38100n C35100n + C20100u C5100n +15VR -15VR-15VL C9100n C23 100n C24100n C21100n C22100n C25100n C

19、28100n C41100n + C3910u + C34 10u C43100n + C4410u C42100n + C4010u C45100n + C4610u + C3710u DGND +15VL in outin gnd in in IC12 MC79L15 gnd out gnd gnd gnd in IC10 MC78L15 gnd out gnd gnd gnd in IC6 MC78L05 DGND gnd out gnd gnd gnd in IC7 MC78L05 gnd out gnd gnd gnd in IC5 MC78L05 DGND DGND 1J24 RS

20、232 PORT 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 33 34 J5 AGNRL +24VL PGNDL1 -24VL -24VR +24VR +12V +5VR +12V PGNDR1 Vout GND Vcc IC7 Vcc R29 24K9 R30 200K Q2 100A Q3 100A Q4 200A Q1 200A R27 10K R28 10K R34 0R0 C11 100n C10 1u C9.22u R25 10R R26 10R +5

21、StB ICSP HEADER +5Pic X116 MHz C1422p C1322p INRSET IC8 MC34064D R35 10K +5Pic SW0 SW2SW5SW8 SW3SW6SW9SW12 SW11 D1 1N914 SCLCK SDATA VOL_DN VOL_UP LEVEL R33 1K0 R32 1K0 R31 100R C12 100n RESET SW1SW4SW7SW10 MR Q2 Q3 Q4 Q5 Q6 Q7 GND DO CLK Q1 Vcc Q0DS OE CS IC3 74HC595 MR Q2 Q3 Q4 Q5 Q6 Q7 GND DO CLK

22、 Q1 Vcc Q0DS OE CS IC474HC595 MUTE SRC2 SRC3 SRC4 SRC5 SRC1 SRC6 SRC7 C18100nF C19 100nF Vcc CS_RED CS_GRN CS_MISC STANDBY/IR CS_LEFT SCLCK SDATA OPT1 OPT2 CS_OEX MTIN Headphones GREEN MISC R3 5K49 R1 5K49 AUX1/DAC AUX2/PHONO TUNER DVD CD REC BAL L BAL R TV/SAT MR Q2 Q3 Q4 Q5 Q6 Q7 GND DO CLK Q1 Vcc

23、 Q0DS OE CS IC274HC595 C17 100nF Vcc RED R2G 24K9 R4G 24K9 R5 5K49 R6G 24K9 R7 5K49 R8G 24K9 R9 5K49 R10G 24K9 R11 5K49 R12G 24K9 R13 5K49 R14G 24K9 R15 5K49 R16G 24K9 R17 5K49 R18G 24K9 R19 5K49 R20G 24K9 R21 5K49 IC5B OE CS_RIGHT SWO1 SWO2 SWO3 SWO4 TO D_ON A_ON SWI1 SWI2 SWI3 IR_G IR_R C24 100n R

24、23 5K49 R24 24K9 AN/DIG R43 10K 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 33 34 J1 1 2 3 4 J6 A_ON C25 68u TX RX -V_RLY PGNDR PGNDL +5StB CHASSIS_L HDPH_L HDPH_R 1 2 3 4 5 6 7 8 9 10 11 12 J7 IC6 MC7824CT IC12 MC7924CT C22100n + C6100u + C7100u C26100n C2

25、7100n C20100n +24VL -24VL CS_DAC CS_RLY R41 10K R45 10K R42 10K R44 30K R36 200K +V Vmon Vmon Vcc CLIP_L CLIPPING CLIP_L CLIP_R D3 1N914 1 2 3 4 5 6 J10 GND RIGHT LEFT C2 NO2 J9 HP JACK LEFT C1 NO1 NC1 NC2 GND D2 1N914 R46 47K+5StB S2 Q7 R47 10K R48G 24K9 100V UNIT REF R49 115K + C35 1.5u + C38 1.5u

26、 + C34 1.5u + C37 1.5u RS232_RX RS232_TXTX RX R1 IN R2 IN T1 IN T2 IN GND V+ V- VCC R1 OUT R2 OUT T1 OUT T2 OUT C1+ C1 - C2+ C2 - IC14 HIN232 +5StB RS232_RX RS232_TX + C36 1.5u S1 CON2S NC MCLR RA0 RA1 RA2 RA3 RA4 RA5 RE0 RE1 RE2 Vdd Vss OSC1 OSC2 RC0 NC RC1 RC2 RC3 RD0 RD1 RD2 RD3 RC4 RC5 RC6 NC RC

27、7 1 RD4 2 RD5 3 RD6 4 RD7 5 Vss 6 Vdd 7 RB0 8 RB1 9 RB2 10 RB3 11 NC 12 RB4 RB5 RB6 RB7 IC1 PIC16F877A-I/PT 52 63 41 LED1 52 63 41LED2 52 63 41LED3 52 63 41LED4 52 63 41LED5 52 63 41LED6 52 63 41LED7 52 63 41LED8 52 63 41LED9 52 63 41LED10 52 63 41LED11 52 63 41LED12 LED13 R52 6K81 R50G 24K9 R50B 6K

28、81 R2B 6K81 R4B 6K81 R6B 6K81 R8B 6K81 R10B 6K81 R12B 6K81 R14B 6K81 R16B 6K81 R18B 6K81 R20B 6K81 R48B 24K9 RESET SRC1 SRC2SRC3 SRC4SRC5SRC6 SRC7AN/DIGBALL BALRMUTEPWR C39 22pF DGND DGND DGND DGND DGND DGND DGND DGNDDGND Vcc +24VL -24VL DGND -24VR +24VR +12V DGND -V_RLY DGND DGND DGND 1 2 3 4 5 6 J

29、5 Vpp Vpp 1 2 3 4 5 6 J3 MTIN OPT1 OPT2 OE 12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B135 BP17 FRONT PANEL BOARD CHASSIS +33VL -33VL CS_OEX CS_RIGHT CS_LEFT 1 2 3 4 5 6 J4 R17 100R Q1 MJE15030 D2 R1 3k83 D1 30V + C133u Q2 MJE15031 D4 R3 3k83 D3 30V + C333u R11 10R R10 10R WRPWBMTXCT + C3A100u + C1A100u

30、+ CP15,000u CHASSIS RSG 0R RBM 20k0 + - RBP 20k0 1 2 3 4 5 6 7 8 9 10 11 12 JPW2 2RED 2GN GND ISOLATOR BR1 C6100n + CM15,000u B135 2BSST CHA PSB R1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 J1 PGR +55VA -55VA +33VA -33VA RLY- 2GN 2RED 2LG -55VA -33VA +33VA 2SG 2SG +55VA 123 4 5 678 9 10 11 1213 14 1

31、5 16 123 4 5 678 9 10 11 1213 14 15 16 PGR DGND +12V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1P2 RED GRN RLY+ -33V +33V LG -55V +55V PGL TEMP RLY- RLY+ RLYA RLYB +IN -IN PREO PWRIN MUTE POUTL PGL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1P1 1 3 4 58 9 10 12 Channel B Power Amp POUT2 1SW1B 1 2 3 4

32、 5 6 7 8 9 10 11 12 13 14 15 16 17 1J29 RIGHT SPEAKER P_IN_R TEMP 1D3 RLY+ 1C11 47n 1R14 10K 1R20 0R0 + 1RL18 1 2 3 4 5 6 7 8 9 10 11 12 J2 IC11 MC7824CT IC13 MC7924CT C28100nC30100n C31100nC29100n + C8100u + C16100u -24VR +24VR CLIP_R PGR +33VR -33VR CHASSIS R17 100R C6100N Q1 D2 R1 3k83 D1 30V + C

33、133u Q2 MJE15031 D4 R3 3k83 D3 30V + C333u R11 10R R10 10R WRPWBMTXCT + C3A100u + C1A100u 1GN 1RED CHASSIS RSG 0R RLG0R 1SG 1LG BR1 + - RBM 20k0 RBP 20k0 RRL 100R RLY+ RJ 0R 1 2 3 4 5 6 7 8 9 10 11 12 JPW1 GLED RLED + CP 15,000u + CM 15,000u +55VB +55VB -55VB +33VR +33VR -33VB -33VB -55VB 1 2 3 4 5

34、6 7 8 9 10 11 12 13 14 15 16 17 J1 QB1 2SC3324 QB2 2SC3324 QB6 2SC3324 QB5 2SA1312 QB4 2SA1312 QB3 2SA1312 QB8 2SA1312 QB7 2SC3324 RB10 150R RB11 150R RB7 10k0 RB8 115k RB12 68R1 RB13 68R1 DB3 1N914 DB4 1N914 DB1 1N914 DB2 1N914 CBF47pF CB5 .1uF* SGR +24V B -24V B R44 150k R47 49k9 R45 150k R46 49k9

35、 T SW1 R33 10k0 R34 10k0 R35 10k0 R36 10k0 R37 10k0 R38 100k R39 475R R40 1k0 R41 499R R43 20k0 R42 5k62 D40 1N914 D41 1N914 D42 1N914 DP19.1V DP29.1V DP418V DM1 9.1V DM2 9.1V DM318V CM3 .1uF CP3.1uF CP4 .1uF C31220pF CP1 .1uF CP2 .1uF CM1 .1uF CM2 .1uF LGR U1C U1D C30220pF U2A IC-MC14011BDR2G U2B U

36、2CU2D VR2 1K TO LEDs +24V A -24V A -24V B +24V B Q7 2SC3324 Q8 2SC3324 Q4 5551 Q14 A42 Q11 2SC3324 Q9 2SA1312 Q10 2SA1312 Q5 2SA1312 Q12 5401 Q3 A92 VR1 10K VR3 1K R31 29k4 R32 29k4 R20 2k21 * R12 15k0 R13 15k0 R24 4k75 R25 1k5 R6 1k5 R8 100k R7 4k75 RM1 29k4 RP1 29k4 ROF 475k C14 220p C9 100p C10 1

37、00pF C15 220pF R21 100k D7 1N914 D8 1N914 RF2 1k1* + CF2 2200uF CIN2 220pF* SGR WB1 TUNING LOOP Q6 JE172 R9 2k21 * R10 5k62 D5 1N914 C13 .1uF -24V A +24V A -24V A R15 1k0 R16 267R R22 1k0 R23 267R C5 1nF C61nF CF1100p C11 220pF RF1 14k7* R28 100R R29 22R1 R27 100R R26 475R R2 475R R3 100R R4 22R1 R1

38、 100R RT1 10k0 RT2 10k0 RT3 10k0 RT4 10k0 +C3 470uF + C7 470uF RL1 5R1 COUT 100N L12uH C4 47p C8 47pF Q13 MJE15030 Q2 MJE15031 Q1 MJL21193 Q15 MJL21194 TEMPMUTE DIFF COMP BUFF BUFF RMU 4k75 LG DM7 1N914 DM8 1N914 12 13 8 9 10 1 2 3 5 6 4 8 9 10 4 7 6 5 1 14 13 12 2 3 11 11 7 14 RPP 10R RMM 10R D3 1N

39、914 D4 1N914 CC1 470p IN+ IN- RB14 49R9 RB5 10k0 RB6 115k RB9 150R RIN 100K* U1A U1B J34 J35 1 2 3 4 5 JB TP1 TP2 J31 J32 J33 J34 J35 +CIN1 68u SGR +15 -15 LGR SG SGR SGR +15 +15-15 -33 +33 RLYB RLYA -55V +55V RLY+ RLY- CLIPPING INDICATOR + CM4 100uF/35V SGR + CP5 100uF/35V SGR BIAS LGR -33V +33V CB

40、4 22pF CB1 22pF CB2 22pF CB3 22pF RLY+ RB1 4k99 * RB2 4k99 * RB3 4k99 *RB4 4k99 *RB15 4k99 *RB16 4k99 * CLIP SH1 PR1 0R12 PR2 0R12 PG D1 D2 LG POUT TEMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1P2 RED GRN RLY- -33V +33V SGR LGR -55V +55V PGR TEMP RLY- RLY+ RLYA RLYB +IN -IN PREO PWRIN MUTE POUTR P

41、GR RAC 221K CSN.22u RSN 100R 3W CAC0.1u Q3 BTB24800B RG1 150R RG2 3R + CF4 3900u + CF1 3900u 1 26 4 ACL ACLL AC1 AC IN ACH AC2 G DC FILTER BR1 + CF3 3900u + CF2 3900u BRT1 U1 IL4108 JON TURN ON JTX1 TF1 PRIMARY WR1 CHA1 J5V J1 100-220 J2 100 J3120-240 J4 120 J5 220-240 J6100-120 AC2 WV1 WB1 WGY1 CHA

42、2 WGY3 12 3 WGY4 WGY2 Safety Critical Parts C5 10N C6 10N C7 10N C8 10N R1 220/240V Units only R1 50R* JTX2 RED VIO BLU BLK ORN BRN WHT GRY YEL TF2 R1 BRT2 WR2 WV2 WB2 V+1 V-1 C2 10N C1 10N C3 10N C4 10N B135 2BSST CH B PSB R1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1P1 TRIG1 523 12 3 4 56 78 910

43、12 3 4 56 78 910 12 3 4 56 78 910 1112 12 3 4 56 78 910 1112 85-260Vac to 5Vdc PS5V YEL GRY ORG WHT BRN AC2 YEL GRY ORG WHT BRN AC2 P1 RED VIO BLU BLK ORN BRN WHT GRY YEL TF1 R1 V+1 V-1 YEL GRY ORG WHT BRN AC2 R22 1K0 R25 499R R27 1K0 R24 1K0 R28 49R9 C31 560p R23 1K0 R26 499R C35150pF* C34 150p C33

44、 470p C32 560p AOL- AOL+ R29 1K0 R32 499R R34 1K0 R31 1K0 R35 49R9 C36 560p R30 1K0 R33 499R C40150p C39 150p C38470p C37 560p AOR- AOR+ +24VR IN_R+ IN_R- -24VR OUT_R +24VL IN_L+ IN_L- -24VL OUT_L DOA-68_L MUTEO AGNDL AGNDR RLY4 OUT_L OUT_R + RL4 SH1 SH2 1 2 3 4 5 6 7 8 AGNDL AGNDR R18 1K0 RST2 R12

45、100R R11 100R R10 100R +5VD C24 100n +C23 100u C26 100n + C25 100u C28 100n + C2722u +5.5VA C30 100n + C2922u C22 100n AOL- AOL+ AOR+ AOR-MCLK R21 10K C50 100n +5VD Audio ERR R20 100R MUTEC R19 47K + C21 22u AGND D2 1N914 D3 1N914 /RST M4 M3 M2 M0 DGND VD VD DGND MCLK SCLK LRCK SDATA M1/MUTE C/H /MU

46、TEC AGND AOUTR- AOUTR+ AGND VA AOUTL+ AOUTL- CMOUT FILT- FILT+ VREF IC8CS43122 MUTEOOPT2 Q2 TN5325Q1 2N7002 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 DGND DGND C17 8.2n C16 470n R4 1K78 +5VD C18 100n Audio RST1 FILTMCLK EMPH ERR C11100n R3 301R C15 100n COPY DFC0 U/E

47、MPH RXP RXN VA+ AGND FILT /RST RMCK RERR TCBLD PRO/C MUTETCBL OSCLK OLRCK SDOUT V/AUDIO S/AES OMCK DGND VD+ H/S TXN TXP DFC1 ORIG IC7 CS8420 + C14 22u T1 SPDIF1+ SPDIF1- SPDIF2- SPDIF2+ C1210n C13 10n TOSL1 TOSL2 RLY1 RLY2 RLY3 + RL2 + RL1 + RL3 DGNDDGND 1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 1

48、9 20 21 22 23 24 25 26 27 28 1 3 4 58 9 10 12 R5G 47K5 R5H 47K5 R5F 47K5 R5H 47K5 R7H 47K5 R7E 47K5 R7F 47K5 R7G 47K5 R7A 47K5 R7B 47K5 R7C 47K5 R7D 47K5 R8E 47K5 R5E 47K5 R8G 47K5 R5A 47K5 + C19 22u +5VD +5VA VinVout GND IC1MC78L05 C2 100nC5100n L1 +12V C6 100n C4 100n C3 100n F1 .30A +12FD L2 INOU

49、T GND IC2MC7805 +C1 100u DGND +5VD MCLK +12FD C7 100n +5.5VA C20100nF VinVout GND IC3 MC78L05 L3 D1 1N914 AGND C8 100n NC GNDOUT Vdd IC6 24.576 MHz 1 23 4 INRSET GND IC5 MC34064 R1 10K R2 10K +5VD +5VD RST1 RST2 R14 1K0 R9 221R R15 4K99 Q3 MMBT200A R17 1K0 R16 221R R36 4K99 Q4 MMBT200A INRSET GND IC4 MC34064 Vss SCK SDI STR Out1 Out2 Out3 Out4Out5 Out6 Out7 Out8 Vbb OE Vdd SDO IC9 MIC5891 SCLCK SDATA CS_DAC+12FD RLY1 RLY2 RLY3 RLY4 RST_SRC RST_DAC J1 J2 OPT2 SDATA SCLCK CS_DAC +12V DGND TOSL1 TOSL2 SPDIF1+ SPDIF1- OUT_L OUT_RSPDIF2+ SPDIF2- AGNDLAGNDL AGNDR DGND DGND DGND 1 2 3 4 5 6 7 89