Kurzweil K2000 Service Manual page 110

SECTION
7
WIRING.DOC 12114/92
J20
-
Pin No. Color To/From
1 blue Power Xfmr Secondary 2 pin
9
2 white " " " 2 " 10
3
blue " " " 2 " 11
4 red " " " 1 " 6
5 black " " " 1 "
7
6 red " " " 1 " 8
J21
-
Pin No. Color To/From
1
yellow
Jurnpered to J21-2
2 yellow LCD (twisted pair)
3 no connection
4 yellow LCD (twisted pair)
7.3
ENGINE BOARD
Jl - Not used in standard configuration
J2 - Header connector to AUDIO/POWER SUPPLY BOARD J7
J3 - Not used in standard configuration
J4 - Ribbon cable to LCD
J9 - Not used in standard configuration
JI0 - Ribbon cable to disk drive
J11
-
Pin No. Color To/From
1 red Disk drive
2 black
"
"
3
black " "
4 no connection
J12 - Not used in standard configuration
J16 - Not used in standard configuration
7.4
WHEELS INTERFACE
Jl
-
Pin No.
Color To/From
1 brown Audio/Power Supply J5-1
2
red " " " J5-2
3
orange " " " J5-3
4 black "
" " J5-4
5
black (large) " " "
J5-5
6
blue " " J5-6
7 white
" " " J5-7
Wire connections:
Tl
red Pitch Wheel
T2
black "
"
T3
orange
" "
T4
red Modulation Wheel
T5 black "
"
T6
orange " "
2