Alto_Altodrive_3.4_Crossover_Service_Manual电路图.pdf

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1、Service Manual Version: 1.1 Model: ALTODRIVE3.4 3-WAY STEREO DIGITAL X - OVER RadioFans.CN 收音机爱 好者资料库 CONTENTS 1. Specification. 1 2. Block Diagram. 0 3. Schematic Diagram.9 4. Printed Circuit Board. 19 5. Wiring Diagram. 1 6. Test Procedure. 0 7. Electrical Parts List 16 8. Exploded Views & Mechani

2、cal Parts List1 9. Troubleshooting. 0 10. Notes. 0 RadioFans.CN 收音机爱 好者资料库 Input Channel Digital Input Gain /+ 12 dB / step 0.5 dB 4 Parametric Filters Gain /+ 15 dB / step 0.5 dB Freq 20 Hz20 KHz step 1/12 oct BandWidth 0.05 oct3 oct / step 0.05 oct Delay line Up to 512 ms minimum step 21us Output

3、Channel Digital Out Volume /+ 12 dB / step 0.5 dB Delay line Up to 512 ms minimum step 21us 5 Parametric Filters Gain/+ 15 dB / step 0.5dB Freq 20 Hz - 20 KHz / step 1/12 oct BandWidth 0.05 oct - 3 oct step 0.05 oct High Pass filter type Butterworth Freq: 20 Hz - 20 KHz / step 1/12 oct Slope: Bypass

4、, 1 ord,2 ord, 3 ord, 4 ord st nd rd th Low Pass filter type Butterworth Freq:20 Hz - 20 KHz / step 1/12 oct Polarity Phase 0 or 180 Limiter Threshold29 dB up to 0 dB / step 1dB Release Time 0.4 s, 0.5 s, 0.7 s, 1.4 s Attack Time 0.05 s, 0.10 s, 0.20 s, 0.30 s Memory 1 Factory Preset 64 User Preset

5、Slope: Bypass, 1 ord,2 ord, 3 ord, 4 ord st nd rd th Digital Processor speed 36 MIPs DSP resolution 2432 bits Control Microprocessor MIDI section Connections Input/output/thru Sockets 5 poles DIN(female) Photocoupled Mode Analog Input Impedance40k Output Impedance97dBa The Whole Unit Inputs Outputs

6、2 XLR - F (BAL) 6 XLR - M (BAL) RadioFans.CN 收音机爱 好者资料库 1. S p e c i f i c a t i o n s Power Supply Connector type 3poles DIN (female) Type Servo controlled, Switching fuse 210240V: T250mAL 250VAC 95120V: 500mAL 250VAC AC Input 95240V6050Hz rated power consumption 15W User Interface Graphic display

7、128 64 dots Keyboard 14 user keys/ 8LEDs Vu meter 26 LEDs Physical Size Standard 19rack Mounting Dimensions 483(W)232.5(D)44(H)mm(199.31.7) weight3.5Kg(7.72lb) 12345678 A B C D 87654321 D C B A Q8 12 Q7 13 Q6 14 Q5 15 Q4 16 Q3 17 Q2 18 Q1 19 D1 2 D2 3 D3 4 D4 5 D5 6 D6 7 D7 8 D8 9 CLK 11 OC 1 U3A 74

8、HC574 2010 U3B 74HC574 A0 3 T/R 2 VCCA 1 VCCB 24 VCCB 23 GND 13 A1 4 A2 5 A3 6 A4 7 A5 8 A6 9 A7 10 GND 11 GND 12 /OE 22 B0 21 B1 20 B2 19 B3 18 B4 17 B5 16 B6 15 B7 14 U974LVX4245 Q8 12 Q7 13 Q6 14 Q5 15 Q4 16 Q3 17 Q2 18 Q1 19 D1 2 D2 3 D3 4 D4 5 D5 6 D6 7 D7 8 D8 9 CLK 11 OC 1 U1A 74HCT574 12 34

9、56 78 AR1 330R*4 12 34 56 78 AR2 330R*4 Q1 H2N6718L- A Q2 H2N6718L- A Q3 H2N6718L- A R2 10K R3R21R19R18 10K R20 10K DGND A0 A1 A2 A3 A4 A5 A6 A7 A0 A1 A2 A3 A4 A5 A6 A7 DGND 1 2 J3 2P- 2.5 +5VD DGND A0 A1 A2 A3 A4 A5 A6 A7 DGNDDGND +5VD 10E 1 1A 2 1Y 3 20E 4 2A 5 2Y 6 GND 7 3Y 8 3A 9 30E 10 4Y 11 4A

10、 12 40E 13 VCC 14 U874LVC125A U7 LM1117- 3.3 C19 100nF C18 10uF C20 100nF C21 10uF +3.3V +3.3V B0 B1 B2 B3 B4 B5 B6 B7 +3.3V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J1CON12 +3.3V B0 B1 B2 B3 B4 B5 B6 B7 TO GRAPHIC DISPLAY DGNDDGND C16 10uF R17 10K ZD1 DGND +5VD 2010 U1B 74HCT574 R4 10R R6

11、 10R C8 100nF C10 100nF +5VD (PG12864LRS- NRA- H) G3FP_L2.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 6-Nov-2002 C.C.LIN FRONT LEFT PANEL 21of GROUP3 VER020724 A3 10E 1 1A 2 1Y 3 20E 4 2A 5 2Y 6 GND 7 3Y 8 3A 9 30E 10 4Y 11 4A 12 40E 13 VCC 14 U10 74LVC125A +3.3V DGNDDGND 12 34 56 7

12、8 910 1112 1314 1516 CON1 HEADER 8X2 12 34 56 78 910 1112 1314 1516 CON2 HEADER 8X2 /RD /WR RESET_DIS SEL_574B SEL_DIS SEL_574A A0 A1 A2 A3 A4 A5 A6 A7 SEL_LCD DGND +5VD LED_A0 LED_A1 LED_A2 LED_A3 LED_A4 LED_A5 LED_A6 LED_A7 LED_A0 LED_A1 LED_A2 LED_A3 LED_A4 LED_A5 LED_A6 LED_A7 SEL_LCD /RD /WR RE

13、SET_DIS SEL_574A SEL_574B /RD SEL_DIS 1 2 3 4 5 6 7 CN1 CON7 1 2 3 4 5 6 7 CN2 CON7 LED_A0 LED_A1 LED_A2 LED_A3 LED_A4 LED_A5 LED_A0 LED_A1 LED_A2 LED_A3 LED_A4 LED_A5 3. S c h e ma t i c D i a g r a m 12345678 A B C D 87654321 D C B A Q8 12 Q7 13 Q6 14 Q5 15 Q4 16 Q3 17 Q2 18 Q1 19 D1 2 D2 3 D3 4 D

14、4 5 D5 6 D6 7 D7 8 D8 9 CLK 11 OC 1 U5A74HC574 2010 U5B 74HC574 LD7 LD8_1 LD11 LD12 LD13 LD14 LD9 LD10 12 34 56 78 910 1112 1314 1516 1718 1920 J2CON20A TO MFB4x4PRO DIAL1 DIAL2 SEL_574B SEL_574D SEL_DIS /RD/WR RESET_DIS SEL_573 SEL_574A R24 0R0 R25 0R0 R26 0R0 R28 0R0 R30 0R0 R31 0R0 R27 0R0 R29 0R

15、0 DGND SW1 30P- R- ENCODER S8 S9 S10 S11 S12 S13 S14 S1 S2 S3 S4 S5 S6 S7 C1 100PF C2 100PF C3 100PF C4 100PF C5 100PF C6 100PF C7 100PF Q8 12 Q7 13 Q6 14 Q5 15 Q4 16 Q3 17 Q2 18 Q1 19 D1 2 D2 3 D3 4 D4 5 D5 6 D6 7 D7 8 D8 9 CLK 11 OC 1 U2A 74HC573 DGND DGND A0 A1 A2 A3 A4 A5 A6 A7 A1 A3 A5 A7 A0 A2

16、 A4 A6 +5VD 2010 U2B 74HC573 A0 A1 A2 A3 A4 A5 A6 A7 R32 1K R33 1K R44 R45 34 U6B 74HC14 1011 U6E 74HC14 C15 100nF C17 100nF DGND DGND 12 U6A 74HC14 R34 5K6 R35 5K6 +5VD R22 5K6 R23 5K6 C13 10nF C14 10nF DGND 147 U6G 74HC14 R5 10R R7 10R R8 10R C9 100nF C11 100nF C12 100nF DIAL1 DIAL2 +5VD DRIVE34 S

17、1:UP S2:DOWN S3:LEFT S4:RIGHT S5:ENTER S6:ESC S7:UTILITY S8:EDIT S9:MUTE CH.1 S10:MUTE CH.2 S11:MUTE CH.3 S12:MUTE CH.4 S13:MUTE CH.5 S14:MUTE CH.6 DRIVE23 S1:UP S2:DOWN S3:LEFT S4:RIGHT S5:ENTER S6:ESC S7:UTILITY S8:EDIT S9:Do not mount S10:Do not mount S11:MUTE CH.3 S12:MUTE CH.4 S13:MUTE CH.5 S14

18、:MUTE CH.6 CONTROL60 S1:UP S2:DOWN S3:LEFT S4:RIGHT S5:ENTER S6:ESC S7:UTILITY S8:EQ S9:BYPASS S10:HP/LP S11:FLAT S12:AUX S13:CHANNEL S14:VU METER 89 U6D 74HC14 56 U6C 74HC14 DGND 12 34 56 78 AR3 10K*4 12 34 56 78 AR4 10K*4 LD8_2 R0 100R +5VD (PWR- ON LED) 1 2 J0 2P- 2.5 DGND G3FP_R2.Sch Titel Size

19、File: Date: Drawn By: Sheet RevisionModel No: 6-Nov-2002 C.C.LIN FRONT RIGHT PANEL 22of GROUP3 VER020724 A3 12 34 56 78 910 1112 1314 1516 CON3 HEADER 8X2 12 34 56 78 910 1112 1314 1516 CON4 HEADER 8X2 /RD /WR RESET_DIS SEL_574B SEL_DIS SEL_574A A0 A1 A2 A3 A4 A5 A6 A7 RESET RESET SEL_LCD SEL_LCD DG

20、ND +5VD SEL_573 LD9_2 1234 A B C D 4321 D C B A BOARDIN1 BOARDIN2 AUDIO INPUT 1/2 A-IN12.sch 12 34 56 78 J5 HEADER 4X2 ANALOG IN/OUT AGND BOARDOUT1 BOARDOUT2 AUDIO OUTPUT A-OUT.sch TO CN3 ON CPU AESOUT2 AESOUT1 MIDIIN MIDIOUT AESIN1 AESIN2 MIDI - AES/EBU MIDI-IO.sch 12 34 56 78 J3 HEADER 4X2 TO CN4

21、ON CPU R1 0R0 DGND 1 2 3 4 5 6 J1 6P- 2.5 1 2 J2 2P- 2.5 TO CN2 ON CPU TO DISPLAY/FRONT PANN. SUPPLY CONNECTOR AGND +5VD BOARDIN1 BOARDIN2 BOARDOUT1 BOARDOUT2 AESIN1 AESIN2 AESOUT1 AESOUT2 MIDIIN MIDIOUT C81 1000uF/25V C82 1000uF/25V C93 1000uF/25V 1 2 3 4 5 6 J7 6P- 3.9 (POWER CONNECTOR) +12V +5V +

22、5V GND GND - 12V (From switching power supply) +VCC -VCC JP3 J10MM ( CONNECT IN A STAR THE GNDS ) GND CONNECT STAR GNDS Connector GND (+12V) (- 12V) C83 100nF C84 100nF C96 100nF DGND JP1 J10MM JR1 G- PIN G3PU3.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 6-Nov-2002 C.C.LIN 2x2 HIGH

23、END ANALOG INTERFACE (2INx2OUT MAIN) 41of ALTO GROUP3(CONTROL60)VER020715 A4 1234 A B C D 4321 D C B A 2 1 3 4 S1 BAL- FEMALE BOARDIN1 ZD1 6V2 1W ZD2 6V2 1W ZD3 6V2 1W ZD4 6V2 1W 2 1 3 4 S2 BAL- FEMALE BOARDIN2 ZD5 6V2 1W ZD6 6V2 1W ZD7 6V2 1W ZD8 6V2 1W Connector GNDAnalog GND Connector GND C13 100

24、nF C14 100nF AGND +VCC -VCC BOARDIN1 BOARDIN2 NOTE:ALL 47uF=47uF/25V A- IN12- 1.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 6-Nov-2002 KEVIN LIN Analog-INput stages 1 (CH 1,2 Input) 42of ALTO GROUP3VER020501 A4 84 U2C 2068DD C75 100nF C76 100nF AGND +VCC -VCC CHANNEL L CHANNEL R L1

25、LF22UH L2 LF22UH R2 15.0K R3 15.0K 3 2 1 U1A 2068DD R515.0K C16 22P R18 39.2K R10 18.2K R34 10.0K C65 1.5N C73 47P 5 6 7 U1B 2068DD R26 10K R66 68R C20 22P R4 15.0K AGND AGNDAGND C39 47U C40 47U L3 LF22UH L4 LF22UH R6 15.0K R7 15.0K 3 2 1 U2A 2068DD R815.0K C17 22P R19 39.2K R11 18.2K R35 10.0K C66

26、1.5N C74 47P 5 6 7 U2B 2068DD R27 10K R67 68R C21 22P R9 15.0K AGND AGNDAGND C42 47U C41 47U AGND 84 U1C 2068DD CHL-IN1 CHL-IN2 CHR-IN1 CHR-IN2 1234 A B C D 4321 D C B A BOARDOUT1 L6 LF22uH L5 LF22uH 2 1 3 4 S3 BAL- MALE OUTPUT1 BOARDOUT2 L8 LF22uH L7 LF22uH 2 1 3 4 S4 BAL- MALE OUTPUT2 Connector GN

27、D BOARDOUT1 BOARDOUT2 A- OUT.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 6-Nov-2002 C.C.LIN Analog- OUTput 43of ALTO GROUP3(CONTROL60)VER020715 A4 R105 332R R117 2.43K AGND R104 332R R116 2.43K AGND AGND C44 47U R107 332R R119 2.43K AGND R106 332R R118 2.43K AGND AGND C46 47U 1 2 3

28、4 5 6 7 8 9 CN1 CH1- OUT 1 2 3 4 5 6 7 8 9 CN2 CH2- OUT +VCC-VCC +VCC-VCC AGND IN1 OUT1 IN2 OUT2 OUT3 +VCC - VCC AGND AGND IN1 OUT1 IN2 OUT2 OUT3 +VCC - VCC AGND RL1 RELAY- 2- 24 RL2 RELAY- 2- 24 AGND AGND D2 1N4148 D3 1N4148 Q1 C1815 Q2 C1815 R152 33K R140 1K5 R142 1K5 R143 100K R141 100K +VCC R153

29、 15R 1 2 CN7 CON2 C77 2200u CHL-IN1 CHL-IN2 CHR-IN1 CHR-IN2 +VCC 1234 A B C D 4321 D C B A 1213 U11F 74HC04 89 U11D 74HC04 56 U11C 74HC04 34 U11B 74HC04 12 U11A 74HC04 1011 U11E 74HC04 R157 4K7 L17 LF22uH L18 LF22uH R158 220R 1 2 4 5 3 6 S9 DIN- 5PIN L19 LF22uH L20 LF22uH L21 LF22uH L22 LF22uH R160

30、220R R159 220R R162 220R R161 220R 1 2 4 5 3 6 S10 DIN- 5PIN 1 2 4 5 3 6 S11 DIN- 5PIN +5VD +5VD 147 U11G 74HC04 C99 100nF +5VD 6 5 7 4 1 2 3 8 U13 6N138 D1 4148 R156 4K7 C98 47uF C97 100nF DGND DGND DGND +5VD MIDIIN MIDIOUT 12 43 T1 PE65612(LT0806M) 12 43 T2 PE65612(LT0806M) AESIN1 AESIN2 AESOUT2 A

31、ESOUT1 ZD17 6V2 1W ZD18 6V2 1W ZD15 6V2 1W ZD16 6V2 1W AESIN- AESIN+ AESING1 AESING2 R163 10R R164 10R AESOUT+ AESOUT- AESOUTG1 AESOUTG2 Connector GND AESIN1 AESIN2 AESOUT1 AESOUT2 1 2 3 J8 3P- 2.5 1 2 3 J9 3P- 2.5 MIDIIN MIDIOUT MIDI OUT MIDI THRU MIDI INPUT MIDI- IO.Sch Titel Size File: Date: Draw

32、n By: Sheet RevisionModel No: 6-Nov-2002 C.C.LIN MIDI IN- OUT & AES/EBU DIGITAL STAGE 44of ALTO GROUP(CONTROL60)VER020715 A4 TP2 OGND 12345678 A B C D 87654321 D C B A 1 2 3 4 5 6 7 8 CN3 1 2 3 4 5 6 7 8 CN5 1 2 3 4 5 6 CN2 DGND +5V +5VA J2 0R0 J1 0R0 J3 0R0 LEFT-IN RIGHT-IN RIGHT-OUT LEFT-OUT LEFT-

33、INA LEFT-OUTA RIGHT-OUTA RIGHT-INA J4 0R0 1 2 3 4 CN6 RIGHT-OUTB LEFT-OUTB SGND R35 0R0 R84 R88 R89 DACSB OVFA OVFM ERROR A0 10 A1 9 A2 8 A3 7 A4 6 A5 5 A6 4 A7 3 A8 25 A9 24 A10 21 A11 23 A12 2 A13 26 A14 27 CE 20 OE 22 VPP 1 O0 11 O1 12 O2 13 O3 15 O4 16 O5 17 O6 18 O7 19 U2A 27C512 Q8 12 Q7 13 Q6

34、 14 Q5 15 Q4 16 Q3 17 Q2 18 Q1 19 D1 2 D2 3 D3 4 D4 5 D5 6 D6 7 D7 8 D8 9 CLK 11 OC 1 U1A 74HC574 Y5 10 Y4 11 Y3 12 Y2 13 A 1 B 2 C 3 G2A 4 G2B 5 Y0 15 Y6 9 Y7 7 G1 6 Y1 14 U9A 74HC138 R79 100R R80 100R R81 100R R82 100R R90 100R R92 100R R93 100R 12 34 56 78 AR5 100R*4 12 34 56 78 AR6 100R*4 P 1.0

35、2 P 1.1 3 P 1.2 4 P 1.3 5 P 1.4 6 P 1.5 7 P 1.6 8 P 1.7 9 P 2.0 24 P 2.1 25 P 2.2 26 P 2.3 27 P 2.4 28 P 2.5 29 P 2.6 30 P 2.7 31 P 0.7 36 P 0.6 37 P 0.5 38 P 0.4 39 P 0.3 40 P 0.2 41 P 0.1 42 P 0.0 43 P3.0 11 P3.1 13 P3.2 14 P3.3 15 P3.4 16 P3.5 17 P3.6 18 P3.7 19 NC 1 NC 12 NC 23 NC 34 RST 10 EA 3

36、5 ALE 33 PSEN 32 XTAL1 21 XTAL2 20 U4A AT89C55 12 34 56 78 AR22 100R*4 12 34 56 78 AR7 100R*4 A00 A01 A02 A03 A04 A05 A06 A07 U5_11 U19_11 SEL245 SEL245A DREADYB EMPTYB /CSB AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 EMPTYA DREADYA EMPTY DREADY 12 34 56 78 AR8 100R*4 12 34 56 78 AR9 100R*4 A08 A09 A10 A11 A12

37、A13 A14 A15 C2 22pF C1 22pF Y1 12.000MHZ 1213 U8F 74HC04 R66 100R R3R4 0R0 12 U15A 74HC14 34 U15B 74HC14 R113 1K5 A00 A01 A02 A03 A04 A05 A06 A07 A08 A09 A10 A11 A12 A13 A14 A15 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 C57 47uF/16V D1 RL4148 A0 10 A1 9 A2 8 A7 3 A6 4 A5 5 A4 6 A3 7 A14 1 A13 26 A12 2 A11 23

38、A10 21 A9 24 A8 25 CS 20 R/W 27 OE 22 D0 11 D1 12 D2 13 D3 15 D4 16 D5 17 D6 18 D7 19 U20A BS62LV2565SC-70 R1100R R83 100R R43 100R R2100R R67 0R0 R68 100R A0 2 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 B7 11 B6 12 B5 13 B4 14 B3 15 B2 16 B1 17 B0 18 DR 1 E 19 U12A 74HC245 Q8 12 Q7 13 Q6 14 Q5 15 Q4 16 Q3

39、17 Q2 18 Q1 19 D1 2 D2 3 D3 4 D4 5 D5 6 D6 7 D7 8 D8 9 CLK 11 OC 1 U13A 74HC574 Q8 12 Q7 13 Q6 14 Q5 15 Q4 16 Q3 17 Q2 18 Q1 19 D1 2 D2 3 D3 4 D4 5 D5 6 D6 7 D7 8 D8 9 CLK 11 OC 1 U14A 74HC574 DGND DGNDDGND DGND +5V+5V DGND 1 2 3 4 5 6 7 8 CN4 DGND TXP TXN RXP RXN AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD0

40、 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 8 9 10 U7C 74HC08 /RD R69 100R /STRB 1011 U8E 74HC04 89 U8D 74HC04 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 A00 A01 A02 A03 A04 A05 A06 A07 A08 A09 A10 A11 A12 A13 A14 A15 34 U8B 74HC04 R85 R86 100R R87 100R R111 100

41、R R112 100R Y2 C9C10 CLK 3 D 2 SD 4 CD 1 Q 5 Q 6 U10A 74HC74 DGNDDGND +5V +5V R78 100R SYSCLK A00 A01 A02 A15 D10 D11 D12 D13 D14 D15 D16 D17 D10 D11 D12 D13 D14 D15 D16 D17 12 34 56 78 AR1 100R*4 12 34 56 78 AR2 100R*4 DGND DGND 12 34 56 78 AR3 100R*4 12 34 56 78 AR4 100R*4 D10 D11 D12 D13 D14 D15

42、D16 D17 12 34 56 78 AR26 100K*4 12 34 56 78 AR27 100K*4 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CN1 D0 D1 D2 D3 D4 D5 D6 D7 DGND RESET_DIS SEL_DIS SDL 5 SCL 6 E0 1 E1 2 E2 3 MODE 7 U6A AT24LC64 SDL 5 SCL 6 E0 1 E1 2 E2 3 MODE 7 U34A AT24LC64

43、 R70 4K7 R7 4K7 R8 4K7 R71 R72 0R0 R75 4K7 R73 0R0 R74 RESET_CONV DGND DGND +5V +5V DGND 56 U8C 74HC04 12 U8A 74HC04 DGND 89 U15D 74HC14 56 U15C 74HC14 DGND 1 2 3 U7A 74HC08 4 5 6 U7B 74HC08 DGND 2010 U12B 74HC245 2010 U13B 74HC574 2010 U14B 74HC574 147 U15G 74HC14 2814 U20B BS62LV2565SC-70 C54 100n

44、F C55 100nF C58 100nF C59 100nF C88 100nF DGND +5V C8 10uF C7 100nF C56 100nF C98 100nF 4422 U4B AT89C55 84 U6B AT24LC64 84 U34B AT24LC64 C46 100nF C47 100nF C50 100nF C51 100nF C52 100nF C53 100nF 2010 U1B 74HC574 2814 U2B KM62256 147 U7E 74HC08 147 U8G 74HC04 168 U9B 74HC138 147 U10C 74HC74 +5V +5

45、V DGND DGND A00:15 AD0:7 AD0:7 DI0:7 D0:7 A00:15 AD0:7 A00:15 11 12 13 U7D 74HC08 +5V 12AR23A 100R*4 34AR23B 100R*4 56AR23C 100R*4 78AR23D 100R*4 DIAL1 DIAL2 SEL574A SEL574B SEL574C SEL574D SEL573 /RD_DIS /WR_DIS SEL574X SEL574Y SEL245K MIDI-OUT MIDI-IN 2XSYSCLK IN-OUT.SCH IN-OUT.sch DASP.SCH DASP.s

46、ch (GLT725608-12J3) (MIT M61C256J-15) (KM62256) UC.SCH Titel Size File: Date: Drawn By: Sheet RevisionModel No: 2-Sep-2002 KEVIN LIN UC Stage 31of MFB4x4PROVER020412 A3 (3DSP) 12345678 A B C D 87654321 D C B A LRCIN 1 DIN 2 BCK 3 ML/IIS 28 MC/DM1 27 MD/DM0 26 CS/IWO 23 MODE 24 MUTE 25 RST 22 CLK0 4 XT0 6 XT1 5 VOUTR 13 EXTR 11 NC 17 ZERO 21 NC 12 VOUL 16 EXTL 18 U26A PCM1716 LRCIN 1 DIN 2 BCK 3 ML/IIS 28 MC/DM1 27 MD/DM0 26 CS/IWO 23 MODE 24 MUTE