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+5VDC .01µf

C20
+5VDC

MASTER CONNECT MIDI INTERFACE 2 OF 2
-15VDC GND A H10-6 H10-5
N/U

40 27pf

C16
6MHZ

C21
.01 P2 . 7 28 A15 P2 . 6 27 A14 P2 . 5 26 A13 P2 . 4 25 A12 28 2 23 21 24 25 18 17 14 13 8 7 4 3 8D 7D 6D 5D 4D 3D 2D 1D EN 11 OE 1 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 CE/ 20 V C C 1 V P P PGM/ 27 +5

Y1

18 X2 19 X1

VCC

-15VDC
N/U

27pf

C17

GND B

H10-7

C23 680pf

S2

5 6 7 8

P1 . 7 P1 . 6 P1 . 5 P1 . 4 P1 . 3 P1 . 2 P1 . 1 P1 . 0

P2 . 3 24 P2 . 2 23 P2 . 1 22 P2 . 0 21 P0 . 7 32 P0 . 6 33 P0 . 5 34 P0 . 4 35 P0 . 3 36

A11 A10 A09 A08 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 ALE PSEN/

3.

D7 19 AD7 D6 18 AD6

H10-4 BINARY ENCODED PATCH H10-3 H10-2 H10-1 JMP15

4 3 2 1

31 EA/

P0 . 2 37 P0 . 1 38 P0 . 0 39

7 4 H C 3 7 3

8Q 19 7Q 16 6Q 15 5Q 12 4Q 9 3Q 6 2Q 5 1Q 2

A07 A06 A05 A04 A03 A02 A01 A00

3 4 5 6 7 8 9 10

2 7 C 6 4

D5 17 AD5 D4 16 AD4 D3 15 AD3 D2 13 AD2 D1 12 AD1 D0 11 AD0 NC 26 NC

+15VDC

+ 5VDC 150 D2 1N4733A + C19 470/16

C18 10µf

+

H10-8

R23

+5VDC

JMP14

9

RST

ALE

30

PSEN/ 29

U3
VSS 14

OE/ 22

R24
10K

+5VDC R21
J21 4 1 6 2 5 3 7

R22 2 8 270 6

8 0 C 3 1

P3 . 7 17 RD/ P3 . 6 16 WR/ P3 . 5 15 T1 P3 . 4 14 T0 P3 . 3 13 INT1/ P3 . 2 12 INT0/ P3 . 1 11 TXD P3 . 0 10

U4

220

VSS 20

U2

D1 1N914 6N138 3 7 NC 5

MIDI IN

U5

RDX

MIDI VERSION

J22 +5VDC R25 220
4 1

2 5 3

5 R26 220 4 U1.B 3 2 U1.A 9 1

U1.C

6

LAST USED LIST

U1.D

CARVIN
SCHEMATIC: 84-00117

8 C 15-23 2 10,11 21 14,15 21-24 2
1

12340 WORLD TRADE DR. SAN DIEGO, CA 92128 (619) 487-1600 FAX 487-6629

MIDI THRU 11 +5VDC 13 U1.E 10

D H

MIDI INTERFACE
DRAWN BY: DATE:

U1.F

J 12 JMP R

J. KENNEDY
APPROVED: DATE:

17JUN92

3. ADDED AS SECINDARY OPERATION. 2. ALL GROUNDS ARE B 1. ALL CAPACITORS ARE IN MICROFARADS, EXCEPT AS NOTED. NOTES: UNLESS OTHERWISE SPECIFIED.

S
U

PCB NO: ASSY. NO:

REV:

30-00107 80-00107 J. KENNEDY
REV:

D F 4MAR93

Y

1

REVISED BY:

DATE: