Rolls RFX128P MIDI Buddy 电路图.pdf

《Rolls RFX128P MIDI Buddy 电路图.pdf》由会员分享，可在线阅读，更多相关《Rolls RFX128P MIDI Buddy 电路图.pdf（1页珍藏版）》请在收音机爱好者资料库上搜索。

1、1 ROLLS CORPORATION 5968 S 350 W MURRAY, UT84107 1 RFX128PB 16 SEPTEMBER 2001 Title Size:Document Number: Date: Rev: Sheetof RFX128P MIDI BUDDY Rb +5V +5V PHANTOM PWR 9 - 15 V AC OR DC MIDI OUT UPDOWN MIDI SHARE 0123 4 56789 +5V +5V +5V +5V +5V +5V +5V P23 P22 P21 P20 P02 P01 P00 P33 P32 P31 P25 P24

2、 P26 SW1 ASSIGNMENTS 5 = OPEN IS MIDI PRG CHNG OR SNG SEL CLOSED 6 = OPEN 1 - 128 CLOSED = 0 - 127 1 - 4 = BINARY MIDI CHANNEL ALL OPEN = 1 CLOSED = 16 C5 10U I 1 G 2 O 3 U8 7805 13 4 2 5 J1 DIN 5 Q2 2N3904 D1 1N4001 D2 1N4001 2 3 1 J3 JAPDC SW2SW3 SW4 SW5 SW7 SW6 SW8SW9 R37150 13 4 2 5 J2 DIN 5 2 H

3、2B 3 H2C 4 H2D 5 H2E 6 H2F 7 H2G 8 H2H 9 H2I 10 H2J 11 H2K 2 H1B 3 H1C 4 H1D 5 H1E 6 H1F 7 H1G 8 H1H 9 H1I 10 H1J 1 H1A A1 16 B1 15 C1 3 D1 2 E1 1 F1 18 G1 17 A2 11 B2 10 C2 8 DP1 4 DP2 9 CAT1 14 CAT2 13 D2 6 E2 5 F2 12 G2 7 U4 2DSC DSP R32 1K R31 1K R301K R291K Q1 2N3904 Q2 2N3904 R35 10K R3410K R3

4、610K R14 22K R15 22K 1 H2A R13 10K R12 10K R11 10K R? 470 R39 10K R10 10K C6 1000 16V R38150 R1 100K R2 100K R5 100K R6 100K R4 100K R3 100K R261K R271K R281K R8 10K R7 10K R9 10K R16 22K R17 22K R18 22K R19 22K R20 22K R21 22K R22 22K R23 22K R24 22K R25 22K X14MHZ RES 310 1 11 2 12 3 13 4 1 5 2 6

5、3 7 4 8 5 9 10 A 9 B 7 C 6 D 14 VCC 16 GND 8 U2 74HC147 1 11 2 12 3 13 4 1 5 2 6 3 7 4 8 5 9 10 A 9 B 7 C 6 D 14 VCC 16 GND 8 U3 74HC147 SW12SW13 SW10SW11 11 H1K 1 2 3 4 5 6 7 8 910 11 12 13 14 15 16 17 18 U1 ZILOG Z86E04 49 U?D SW DIP-6 58 U?E SW DIP-6 67 U?F SW DIP-6 211 U?B SW DIP-6 112 U?A SW DIP-6 C3 27PF C4 27PF RadioFans.CN 收音机爱 好者资料库