Kurzweil PC2 Series User Manual

Kurzweil PC2 Series Service Manual
7-11
Connector Board (keyboard models)–Digital Interface (page 2 of 3)
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
A
B
C
D
A
B
C
D
L5
AES XFRMR
3
1
4
6
2
5
J303
MIDI & CPU
10
+VBAT
5
IACK
4
IRQ
2
CONT
8
DIG_OUT
9
GND
6
INT_RxD
7
INT_TxD
1
MIDI_RxD
3
MIDI_TxD
S1
3
1
2
535353414141
IN
222
OUT/THRUOUT
J320
MIDI
25 22 23 24 11 13 14 12
9
18 20 21 19 16
2 5
7 6 4 1 3 8
10 15 17
J315
JACK
1
3
5
2
4
U6
PC910
2
3
7
5
6
8
J300
SPDIF OUT
1
2
3
4
J305
SLIDER
1
+5VREF
7
AGND
2
CTRL1
3
CTRL2
4
CTRL3
5
CTRL4
6
VSLDR
U11
74HC4051
11
A
10
B
9
C
16
VDD
7
VEE
8
VSS
3
Y
13
Y0
14
Y1
15
Y2
12
Y3
1
Y4
5
Y5
2
Y6
4
Y7
6
G
U7
PC410
1
3
5
U5
74HCU04
9
8
U5
74HCU04
34
U5
74HCU04
1110
U5
74HCU04
12
U5
74HCU04
1312
R107
10K
13
2
C47
1000pF
12
C56
0.1uF
12
C25
1000pF
12
C22
1000pF
12
C14
1000pF
12
C15
1000pF
12
C16
1000pF
12
C21
1000pF
12
C20
1000pF
12
C19
1000pF
12
C17
1000pF
12
C18
1000pF
12
C12
0.1uF
12
C13
0.1uF
12
C11
1000pF
12
C10
1000pF
12
C8
1000pF
12
D16
LL4148
12
D5
LL4148
12
D3
LL4148
12
D13
LL4148
12
D4
LL4148
12
D1
LL4148
12
D2
LL4148
12
R13
10K
12
R10
10K
12
R9
10K
12
R106
3K
12
R5
56 5%
12
R4
56 5%
12
R148
1K
12
R3
10K
12
R68
110
12
R6
270 5%
12
R97
110
12
R96
56
12
R73
110
12
R74
110
12
R75
110
12
R108
10K
12
R109
10K
12
R101
220
12
R100
220
12
R98
110
12
R95
110
12
R93
56
12
R99
56
12
R102
56
12
R94
110
12
R69
110
12
R66
2.2K
12
Q1
MMBT2907
C
B
E
J314
JACK
1
6
2
5
3
4
J313
JACK
1
6
2
5
3
4
J317
JACK
1
6
3
4
J318
JACK
1
6
3
4
J319
JACK
1
6
3
4
+
C7
10uF 16V
12
C9
1000pF
12
D12
S1A
21
D9
LL4148
21
D11
LL4148
21
D10
LL4148
21
D8
LL4148
21
D7
LL4148
21
D6
LL4148
21
R71
1M
12
R72
1M
12
R81
150
12
R77
10K
12
R79
680K
12
R78
680K
12
R76
680K
12
R90
100K
12
R84
10K
12
R65
110
12
R85
10K
12
R86
10K
12
R64
165K 1%
12
R63
1.5M
12
R70
10K
12
R67
121.0K 1%
12
R80
20K
12
R87
1K
12
R88
100K
12
R91
100K
12
R89
100K
12
R82
1.5K
12
R83
270
12
Q3
MMBT2907
B
CE
Q18
MMBT2222
B
CE
Q2
MMBT2222
B
CE
RBN/XYZ
J316
TELMOD6PIN
2
REF+
1
REF-
6
SENSE
5
SEC1/X
3
SEC2/Y
4
SEC3
+
-
U4
LM339
9
8
14
+
-
U4
LM339
7
6
1
+
-
U4
LM339
5
4
2
+
-
U3
TL072
3
2
1
YOUNG CHANG CO., LTD.
of Young Chang Co., Ltd. is prohibited.
Reproduction without the express written consent
Filename:
Doc:
Mfg:
Eng:
Sht
By:
Date:
of
Rev:
PC88 II CONNECTOR PCB
Digital Interfaces
DMH
021221-000 C V4
021221C4 9/29/00
23
+5Vref {1-A1}
VCC
VCC
EXPDL1 {1-B1}
VCC
EXPDL2 {1-B1}
DIGITAL_OUT
MIDI_RxD
MIDI_TxD
VCC
+VBAT
+12V
INTMIDITxD {1-A8}
INTMIDIRxD {1-A8}
BREATH {1-B1}
IACK {1-C1}
IRQ {1-A8}
+5Vref {1-A1}
MUXA0 {1-B8}
MUXA1 {1-B8}
MUXA2 {1-B8}
~12V ~12V
VCC
VCC
RIBN_SLDR {1-B1}
VCC
FTSW1 {1-C1}
+5Vref {1-A1}
FTSW2 {1-C1}
TOUCH2 {1-C1}
TOUCH1 {1-C1}
TOUCH3 {1-C1}
FTSW3 {1-C1}
~12V
TOUCHSENS {1-A1}
~12V
THRU
OUT
OUT/THRU SELECT
Use either U6 or U7
CONTROL
BREATH
FOOTSWITCH "1"
FOOTSWITCH "2"
FOOTSWITCH "3"
LCD Contrast Adjust
SUPER
RIBBON
EXPRESSION
PEDAL "2"
EXPRESSION
PEDAL "1"

Kurzweil PC2 Series Specifications

General

Polyphony	64 voices
Sound Engine	VAST (Variable Architecture Synthesis Technology)
MIDI	In, Out, Thru
Multitimbral	16 parts
Velocity Sensitivity	Yes
Aftertouch	Yes
Year Released	1999
Display	LCD
Controllers	Pitch wheel, modulation wheel
Inputs	Sustain pedal, expression pedal
Memory	128 setups
Keyboard	76-note, semi-weighted
Outputs	Stereo outputs, headphone output