Kurzweil K2600 Series Service Manual
7-31
Player Control Board (keyboard models)–Player Control Interface
1
1
2
2
A A
B B
B Ver 3
1
1
H. Chamberlin
021077
021077B3.DS3
K2500/X PLAYER CONTROL INTERFACE
7/31/101
BLACK
WHITE
MOD
CENTER
PITCH
CENTER
RIBBON
SENS.
-
+
4
5
12
3
2
LM339
a
U1
-
+
6
7
1
LM339
bU1
-
+
8
9
14
LM339
cU1
-
+
10
11
13
LM339
dU1
TLC2272
2
3
1
U4b
REF-
REF+
SEC3
SEC2
SEC1
SUPER
RIBBON
4
5
1
3
FLEXPC5PIN
J406
FSENSLO
FSENSHI
PSENS
REF-
REF+
MINI
RIBBON
5
4
3
2
1
FLEXPC5PIN
J405
MODLO
MODWIP
MODHI
PCHLO
PCHWIP
PCHHI
WHEELS
6
5
3
2
6PIN1ROW.098SP
J402
LOW2
LOW1
HI1
HI2
P-STRIP
4
3
2
1
4PIN1ROW.100SP
J403
LOW2
LOW1
HI1
HI2
P-STRIP
4
3
2
1
4PIN1ROW.100SP
J404
GND
-12
+5REF
MUXA2
MUXA1
MUXA0
MUXOUT
MODWHEEL
PITCHWHEEL
KEYPRESSURE
PLAYER
CONTROL
1
2
4
5
7
8
9
10
10PIN1ROW.098SP
J401
EN
A0
A2
AI0
AI1
AI7
Vee
GND
Vcc
AOUT
74HC4051
6
11
10
9
13
14
1
5
4
7
8
16
3
U2
R1
100K
R2
100K
R3
100K
R4
100K
R5
150K
R6
1.0K
R7
100K
R8
100K
R9
2.2K
R10
47ohm
R11
91ohm
R12
100K
TLC2272
6
5
8
4
7
U3a
R14
100K
1
2
3
1
2
3
JP1
10K
R16
100K
R18
1N270
D1
1N270
D2
TLC2272
2
3
1
U3b
200K
R19
10K
R20
TLC2272
2
3
1
U5b
240K
R22
240K
R23
390K
R24
390K
R28
TLC2272
6
5
8
4
7
U5a
240K
R26
240K
R27
10K
R29
10K
R30
2
1
.1uF
C1
2
1
.1uF
C2
D3
1N4148
D4
1N4148
D5
1N4148
D6
1N4148
Q1
2SA1271
R31
2.2K
21
.1uF
C4
21
.1uF
C3
100K
R25
100K
R21
50K R17
50K R15
50K R13
21
.022uF
C5
21
.022uF
C6
21
.1uF
C7
R34
150ohm
D7
1N4001
R33
150ohm
R32
1.5K
1N4148
D8
1N4148
D9
1N4148
D10
1N4148
D11
Q2
PN3904
PN3906
Q3
20K
R35
4.7K
R36
+5Vana
+5Vana
+5Vana
+5Vana
+5Vana
+5Vana
+5Vana
AGnd
AGnd
AGnd
AGnd
AGndAGnd
AGnd
TLC2272
6
5
8
4
7
U4a
+5Vana
AGnd
YOUNG CHANG CO., LTD.
Young Chang R&D Inst. - Waltham, MA, USA
Duplication without the express written
By:Eng:
Mfg:
Sht: of
consent of Young Chang Co., Ltd. is prohibited.
Rev:
Filename: Date:
Doc#:
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1
4
2
6
3
12
15
AI6
AI5
AI4
AI3
AI2
A1
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