Text preview for : QUADX_MIDI_INTERFACE.pdf part of Carvin Quad X amp guitar amplifier
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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: