NOV 
10  1977 SH-2000 
CONTENTS 
GUIDE 
ON 
ENGINEERING CHANGES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1 
1. 
SPECIFICATIONS.......................................................... 
2 
2. 
DISASSEMBLY 
AND 
UNIT 
LOCATION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  3 
3. 
BLOCK 
DIAGRAM 
AND 
WIRING 
DIAGRAM 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4 
4. 
OP-12.................................................................... 
5 
5. 
VC0-2 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7 
6. 
VG-7  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8 
7. 
AR-2  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9 
8. 
VCF-2A 
(SERIAL 
NO. 
578050 
AND 
HIGHER) 
................................... 
10 
VCF-2 
(SERIAL 
NO. 
UP 
TO 578049) 
........................................... 
10 
9. 
MX-1, 
PCB 
................................................................ 
11 
MX-1, 
CIRCUIT 
DIAGRAM 
.................................................. 
12 
MX-1, PARTS 
LAYOUT 
..................................................... 
13 
MX-1, 
DIODE 
MATRIX 
...................................................... 
14 
10. 
PS-14C-D 
(SERIAL 
NO. 608900 
AND 
HIGHER) 
.................................. 
15 
PS-14C 
(SERIAL 
NO. 
UP 
TO 608899) 
.......................................... 
15 
11. 
ADJUSTMENT 
AND 
CHECKING 
.............................................. 
16 
12. 
PARTS 
ILLUSTRATED 
..................................................... 
30 
PARTS LIST 
.............................................................. 
36 
I§? 
Roland