Crate_DX-212_Preamp_(06S850)_Schematics电路图.pdf

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1、DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD!

2、2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 S

3、ignatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Wed Oct 11, 2000 A 7-7-99 1 RLB ADDED -03 P1 WAS 50KL C B 3-7-00 1-14-00 INITIAL ISSUE RLB RL

4、B N00242 C of Drawing Title: Drawing Number: NONE 4 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 6-30-99 11880 Borman Drive, St. Louis, MO 63146 Chgd By RLB Appvd by F DX112/212 06S850-XX 2 PRE-AMP SCHEMATIC Date 4 3 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSON

5、NEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES

6、IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED O

7、N THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Wed Oct 11, 2000 A 7-7-99 1 RLB ADDED -03 P1 WAS 50KL C B 3-7-00 1-14-00 INITIAL ISSUE RLB RLB N00242 C of Drawing Title: Drawing Number: NONE 4 Ecr(s)/Ecn(s) First

8、Used On: ST. LOUIS MUSIC, INC Date: 6-30-99 11880 Borman Drive, St. Louis, MO 63146 Chgd By RLB Appvd by F DX112/212 06S850-XX 2 PRE-AMP SCHEMATIC Date 4 3 DATA5 DATA4 DATA3 DATA2 DATA1 DATA0 ADDRESS_BUS DATA_BUS FT_SW1 FT_SW2 SW5 SW4 SW3 RE SW_SEL1 R20 100K R19 100K100K R17R18 100K R23 100K R22 100

9、K R21 100K DATA7 DATA6 C_GND+5VL SW0 SW1 SW2 1 G1 19 G2 5 A4 6 A5 7 A6 8 A7 9 A8 15 Y4 14 Y5 13 Y6 12 Y7 11 Y8 2 A1 3 A2 4 A3 18 Y1 17 Y2 16 Y3 U13 74HC541 C23 16 V 0.1 uF G1 G2 A4 A5 A6 A7 A8 Y4 Y5 Y6 Y7 Y8 A1 A2 A3 Y1 Y2 Y3 U7 74HC541 10 11 12 13 14 15 16 17 18 RC2:B C43 0.1 uF 16 V DATA3 DATA4 10

10、0K R32 C_GND C_GND DATA1 DATA2 DATA6 DATA7 DATA0 100K R31 +5VL RE SW_SEL2 DATA5 +5VL 3 4 5 1 2 S10 88-605-16 4-BIT ENCODER 100K R28 100K R27 100K R26 100K R25 100K R29 100K R30 3 4 5 1 2 S9 88-605-16 4-BIT ENCODER 34 PA0/IC3 33 PA1/IC2 32 PA2/IC1 31 PA3/0C5/IC4/OC1 30 PA4/OC4/OC1 29 PA5/OC3/OC1 27 P

11、A7/PAI/OC1 28 PA6/OC2/OC1 9 PC0/ADDR0/DATA0 10 PC1/ADDR1/DATA1 11 PC2/ADDR2/DATA2 13 PC4/ADDR4/DATA4 14 PC5/ADDR5/DATA5 15 PC6/ADDR6/DATA6 16 PC7/ADDR7/DATA7 42 PB0/ADDR8 41 PB1/ADDR9 40 PB2/ADDR10 39 PB3/ADDR11 38 PB4/ADDR12 37 PB5/ADDR13 36 PB6/ADDR14 35 PB7/ADDR15 19 IRQ 17 RESET 18 XIRQ/Vppe 2 M

12、ODB/VSTBY 3 MODA/LIR 6 STRB/R/W 4 STRA/AS 8 XTAL 5 E 7 EXTAL 20 PD0/RxD 21 PD1/TxD 25 PD5/SS 23 PD3/MOSI 22 PD2/MISO 24 PD4/SCK 45 PE1/AN1 48 PE6/AN6 43 PE0/AN0 47 PE2/AN2 49 PE3/AN3 46 PE5/AN5 44 PE4/AN4 50 PE7/AN7 12 PC3/ADDR3/DATA3 MC68HC11E0CFNW C45 16V 0.015 uF D-GND R24 100K XTALADDR12 ADDR15

13、ADDR11 ADDR9 ADDR10 ADDR13 ADDR14EN UP_CLK +5VL C_GND DATA4 DATA6 DATA1 ADDR8 DATA0 DATA2 DATA7 RESET1 IN/TH_SEL POWER_LED PAGE_0 PAGE_1 DATA5 DATA3 C_GND D-GND R34 10K HREQRST R36 10K R37 10K XIRQ GPIO0 AS R/W MIDI_RX MIDI_TX MISO MOSI SCK 10K 5%1/8 W, R70 1 OC 3 2D 2 1D 11 CLK 9 8D 8 7D 7 6D 6 5D

14、5 4D 4 3D 17 3Q 16 4Q 15 5Q 14 6Q 13 7Q 12 8Q 19 1Q 18 2Q U3 74HC573 +5V AS DATA3 DATA4 DATA5 DATA7 DATA6 DATA1 DATA2 DATA0 C_GND ADDR3 ADDR0 ADDR1 ADDR2 ADDR7 ADDR4 ADDR6 ADDR5 +5V D-GND R48 100K C_GND+5V C49 16V 0.015 uF DATA0 DATA7 DATA2 DATA3 DATA4 DATA1 DATA6 DATA5 C_GND+5VL 0.1 uF C42 16 V C_G

15、ND LED_LTCH LED_EN +5V 35V 10 uF C11 PAGE_1 C50 16V 0.015 uF 2 9 8 3 7 6 4 5 +L 11 1 OC 3 2D 2 1D 11 CLK 9 8D 8 7D 7 6D 6 5D 5 4D 4 3D 17 3Q 16 4Q 15 5Q 14 6Q 13 7Q 12 8Q 19 1Q 18 2Q U10 74HC573 ADDR7 ADDR1 ADDR2 ADDR4 ADDR5 ADDR6 ADDR0 ADDR3 ADDR11 ADDR12 ADDR14 ADDR13 ADDR10 ADDR9 ADDR8 PAGE_0 DAT

16、A0 ADDR14 ADDR13 EN DATA1 R/W ADDR15 ADDR12 DATA1 DATA0 DATA3 DATA4 DATA5 DATA7 DATA6 RE WE FLASH_/CE DATA2 WE SW_SEL2 DSP_SS ADC_SS FLASH_/CE UP_CLK LED_LTCH RE SW_SEL1 D-GND 9 I8 8 I7 7 I6 6 I5 5 I4 4 I3 3 I2 2 I1 12 I/O8 14 I/O6 13 I/O7 16 I/O4 15 I/O5 17 I/O3 18 I/O2 19 I/O1 1 I10/CLK 11 I9/OE U

17、17 ATF16V8B +5VC_GND +5VL +5V C51 16V 0.015 uF 10 11 12 13 14 15 16 17 18 RC1:B POWER_LED R50 680 R39 220 R49 10K R45 10K 16 V C59 0.1 uF Q4 BC847BLT1 BC847BLT1 Q2 1 R43 330 THIS SCHEMATIC IS FOR -03 FERRITE L2 RadioFans.CN 收音机爱 好者资料库 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED

18、 PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR

19、VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONT

20、AINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Wed Oct 11, 2000 A 7-7-99 2 RLB ADDED -03 P1 WAS 50KL C B 3-7-00 1-14-00 INITIAL ISSUE RLB RLB N00242 C of Drawing Title: Drawing Number: NONE 4 Ecr(s)/Ecn(s)

21、 First Used On: ST. LOUIS MUSIC, INC Date: 6-30-99 11880 Borman Drive, St. Louis, MO 63146 Chgd By RLB Appvd by F DX112/212 06S850-XX 2 PRE-AMP SCHEMATIC Date 4 3 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO

22、 QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGO

23、HM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Sche

24、matic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Wed Oct 11, 2000 A 7-7-99 2 RLB ADDED -03 P1 WAS 50KL C B 3-7-00 1-14-00 INITIAL ISSUE RLB RLB N00242 C of Drawing Title: Drawing Number: NONE 4 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 6-30-99 11880 Borman Drive, S

25、t. Louis, MO 63146 Chgd By RLB Appvd by F DX112/212 06S850-XX 2 PRE-AMP SCHEMATIC Date 4 3 1 2 3 4 RC3:A FLAT CABLE MUTE AUDIO_IN C_GND C_GND A GND GAIN 0.01 uF C29 50 V C30 0.01 uF 50 V CW P2 50K L CW P3 50K L ADJUSTTREBLEBASSREVERBLEVELMID C35 0.01 uF 50 V C33 0.01 uF 50 V C46 0.01 uF 50 V C52 0.0

26、1 uF 50 V C48 0.01 uF 50 V C47 0.01 uF 50 V CW P4 50K L CW P5 50K L CW P6 50K L CW P7 50K L CW P8 50K L CW P9 50K L C67 50 V 0.22 uF 50 V C16 47 pF 0.22 uF C68 50 V C17 50 V 220 pF R44 47K R40 47K R54 1M D31 5226BLT1 D30 5226BLT1 R3 470K R46 1K 9 - 10 +8 TLO-74 U16:C G D S Q3 MMBFJ177 A GND A GND A

27、GND C_GND 5 6 7 8 RC3:B FLAT CABLE AUDIO_IN MUTE R5 47K R4 47K 47 pF 50 V C53 47 pF 50 V C54 RING_SW TIP_SW SLEEVE TIP RING J4 INPUT 1 RING_SW TIP_SW SLEEVE TIP RING J5 INPUT 2 16 V C58 0.1 uF 16 V C55 0.1 uF R58 10K 10K R47 INININ 79L05 A GND M GND RESET D-GND RESET1 MUTED MUTED R59 470 MUTE D-GND

28、RF GND +5VA 50 V C14 0.001 uF 50 V C20 0.001 uF A GND 16 V C21 0.1 uF 16 V C22 0.1 uF 1 2 3 4 5 6 7 J1 W100-9H D1 1N914 35V 10 uF C24 89 74HC04 U6:D 1011 U6:E 74HC04 14 13 - 12 + TLO-74 U16:D C13 16V 22 uF MUTE R55 100K 50 V C19 0.022 uF 1N914 D18 D15 1N914 A GND D16 1N914 1N914 D17 R2 470 50 V C69

29、0.22 uF GAIN_SEL A GND +5VADC FX LEVEL ADC_SS MOSI SCK MISO +5VADC 10 uF 35V C4 +5VADC +5V C44 16 V 0.1 uF FERRITE L1 1 CH_0 2 CH_1 3 CH_2 4 CH_3 5 CH_4 6 CH_5 7 CH_6 8 CH_7 9 COM 12 VREF 17 DI 14 DO 15 SARS 16 CLK 18 CS 13 SE U9 ADC0838 R53 120 R51 4.75K 1% 10 uF 35V C9 C8 16 V 0.1 uF R56 1K R57 1K

30、 A GND A GND C70 50 V 0.22 uF +5VA-5VA -18V CW P1:B 50K A CW P1:A 50K A C10 50 V 0.0022 uF C18 16 V 0.1 uF 6 - 5 + 7 U16:B TLO-74 2 - 3 + 1 TLO-74 U16:A FERRITE L5 6 AIN_L- 1 VREFH 2 VREFL 5 AIN_L+ 4 AIN_R- 3 AIN_R+ 9 ADIF0 10 ADIF1 11 LRCK 12 SCLK 13 ASDT_IN 14 ASDT_OUT 15 MCLK 16 DEM0 17 DEM1 18 T

31、EST3 19 TEST2 20 TEST1 23 PWDA 24 PWAD 25 CMODE 26 AOUT_L 27 AOUT_R 28 VCOM U14 AK4520A 16 V 0.1 uF C6 10 uF C7 35V C71 50 V 0.22 uF SDI0 SDO0 CLK_OUT DSP_CLK LR_CLK +5VDC +5VDC A GND A GND D-GND RESET +5VA +5VDC D-GND R1 4.7 A GND R52 4.75K 1% C3 16 V 0.1 uF C2 0.1 uF 16 V 10 uF 35V C1 C5 16 V 0.1

32、uF A GND 35V 10 uF C25 -5VA D33 S1A D34 S1A RadioFans.CN 收音机爱 好者资料库 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS D

33、ISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICIN

34、G BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Wed Oct 11, 2000 A 7-7-99

35、 3 RLB ADDED -03 P1 WAS 50KL C B 3-7-00 1-14-00 INITIAL ISSUE RLB RLB N00242 C of Drawing Title: Drawing Number: NONE 4 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 6-30-99 11880 Borman Drive, St. Louis, MO 63146 Chgd By RLB Appvd by F DX112/212 06S850-XX 2 PRE-AMP SCHEMATIC Date 4 3 DCBA

36、 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) U

37、NLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signa

38、tures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Wed Oct 11, 2000 A 7-7-99 3 RLB ADDED -03 P1 WAS 50KL C B 3-7-00 1-14-00 INITIAL ISSUE RLB RLB N0

39、0242 C of Drawing Title: Drawing Number: NONE 4 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 6-30-99 11880 Borman Drive, St. Louis, MO 63146 Chgd By RLB Appvd by F DX112/212 06S850-XX 2 PRE-AMP SCHEMATIC Date 4 3 BC847BLT1 Q1 D-GND MIDI_TX RF GND R60 6.8K +5V R68 4.7K R69 4.7K 5% 1/8 W 1

40、2 3 4 5 6 7 J6 W100-9H R6 220 R7 220 C62 220 pF 50 V C61 220 pF 50 V C60 220 pF 50 V RF GND Vb A K Vo Ve 6N138 U8 R67 220 +5V 0.1 uF C72 16 V D3 1N914 FERRITE L4 FERRITE L6 FERRITE L7 FERRITE L3 6 4 5 U5:B 74HC00A M GND D2 S1A 7805 D32 S1A 220 R64 RF GND 220 pF 50 V C65 220 pF 50 V C12 MOUT CH 1 68-

41、826-01 +L +11V FERRITE L11 M GND 0.1 uF C81 16 V 0.1 uF 16 V C80 FERRITE L9 C26 10 uF 35V CH 6 TAP MANUAL CH 3 CH 4 CH 5 CH 2 FT_SW1 SW4 SW2 SW5 SW3 FT_SW2 SW1 SW0 C_GND 1 2 3 4 5 6 7 8 9 RC2:A R63 470 D-GND 50 V 33 pF C28 R38 1M C_GND C_GND C_GND D-GND LR_CLK +5V D-GND C56 0.015 uF 11 RESET 9 Q1 7

42、Q2 6 Q3 5 Q4 3 Q5 2 Q6 4 Q7 13 Q8 12 Q9 15 Q11 1 Q12 14 Q10 8 GND 16VCC 10 CLK U19 74HC4040 X2 12 MHZ 74HC04 43 U6:B 74HC04 21 U6:A 74HC04 C39 33 pF 50 V CLK_OUT +5V DSP_CLK C57 0.015 uF UP_CLK 1 2 3 4 5 6 7 8 9 RC1:A D25 GRN D6 GRN R10 47 D7 GRN R11 47 D8 GRN D4 GRN 1 R15 47 D11 YEL R12 47 R14 47 D

43、9 GRN R13 47 D10 GRN 4 2 7 9 5 6 8 3 D23 YEL D22 GRN D21 GRN D26 GRN D27 GRN D14 GRN D19 GRN D20 GRN FERRITE L10 FERRITE L8 16 V 0.1 uF C73 C64 16 V 0.1 uF D-GND C74 10 uF 35V +5VM 10 uF 35V C75 10 uF C76 35V +5VA A GND +5V C63 0.1 uF 16 V 100 R8 MIDI_RX +5V D-GND +5V IN/TH_SEL MIDI_TX +5VC_GND C15

44、16 V 0.1 uF 11 12 13 U5:D 74HC00A 3 1 2 74HC00A U5:A 8 9 10 U5:C 74HC00A D2 D5 D4 D3 D7 D6 A11 A9 A8 A7 A6 A5 A4 A3 A0 A2 A1 A10 D0 D1 DATA1_BUS ADDRESS1_BUS RESET R42 100K MISO SCK MOSI C_GND MUTED GAIN_SEL R41 100K SDI0 SDO0 2 MCS0 3 MA15/MCS3 4 MA14 5 MA13 7 MA12 11 MA11 12 MA10 45 SDO2 46 SDO1 4

45、7 SDO0 49 SCKT 50 WST 51 SCKR 55 WSR 56 SDI1 57 SDI0 77 MRD 78 MWR 79 MA17/MCS1/MRAS 80 MA16/MCS2/MCAS 14 MA8 16 MA7 18 MA6 20 MA4 19 MA5 23 MA2 22 MA3 25 MA0 62 MD7 63 MD6 64 MD5 67 MD3 65 MD4 68 MD2 69 MD1 71 MD0 73 GPIO3 42 SS/HA2 60 DSCK/OS1 43 HREQ 41 MOSI/HA0 35 MISO/SDA 26 SCK/SCL 76 GPIO0 75

46、 GPIO1 74 GPIO2 36 RESET 37 MODA/IRQA 38 MODB/IRQB 39 MODC/NMI 32 PCAP 30 PINIT 27 EXTAL 58 DSO 59 DSI/OS0 61 DR 24 MA1 13 MA9 EXTERNAL MEMORY INTERFACE SERIAL AUDIO INTERFACE SERIAL HOST INTERFACE OnCE IRQS GPIOPLL U11 DSP56009 R16 47 D12 YEL R9 47 D5 GRN DSP_CLK LR_CLK WR CS0 A16 A12 A13 A14 A15 R

47、D C41 16V 0.015 uF +5V R61 100K DSP_SS HREQ OS1 DSI DSO +5V DSP_CLK +5V D24 YEL D13 GRN 2 1 J3 L100-2V 0.47 uF 16 V C77 0.015 uF C38 0.015 uF C37 0.015 uF C36C34 0.015 uF C32 0.015 uF C31 0.015 uF R33 10K D-GND +5V C_GND XIRQ DSI OS1 1 2 3 4 5 J2 100-5V GPIO0 100K R35 DSO +5V +5V A0 A1 C40 0.015 uF

48、+5VC_GND A2 A3 A9 A8 A11 A7 A6 A5 A4 A14 A10 A12 A13 A16 A15 2 A_16 3 A_14 4 A_12 12 A_0 11 A_1 10 A_2 9 A_3 8 A_4 7 A_5 6 A_6 5 A_7 23 A_10 25 A_11 26 A_9 27 A_8 28 A_13 31 A_15 22 CE1 1 N/C 13 I/0_0 14 I/0_4 15 I/0_2 17 I/0_3 18 I/0_4 19 I/0_5 20 I/0_6 21 I/0_7 24 OE 29 WE 30 CE2 N341024 U21 D7 D6

49、 +5V WR D5 D4 D3 D2 D1 RD D0 CS0 RST +5V D-GND +5V 16V 0.015 uF C78 16V 0.015 uF C79 R62 100 D-GND Q5 BC847BLT1 BC847BLT1 Q6 LED_ENMUTED D-GND R65 10K 1M R66 D28 1N914 D29 1N914 22 uF 16V C66 65 U6:C 74HC04 1 RST DS1811 U2 RadioFans.CN 收音机爱 好者资料库 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PAR