Kurzweil K2600 Series Service Manual
7-30
Scanner Board (keyboard models)–Power, Dig I/O (2 of 2)
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
A
B
C
D
A
B
C
D
R89
10K
13
2
Q3
MMBT2222A
B
CE
Q4
MMBT2907
B
CE
Q2
MMBT2907B
CE
J709
SCANNER POWER
2
+5V
5
--12V
3
AGND
1
DGND
4
+12V
J710
1
6
2
5
3
4
J713
1
6
2
5
3
4
J712
1
6
2
5
3
4
J711
1
6
2
5
3
4
GJ2
12
DGND
J714
4 8 13
6
+12
7
--12
9
BATSNS
11
CLK10
10
LCDCONT
3
SMIDI_RxD
5
SMIDI_TxD
12
CLK10EN
1
EXTIAK
2
EXTIRQ
14
RESET
VR1
78L05ACM
2
G1
3
G2
6
G3
7
G4
8
IN
1
OUT
J707
1
2
5
6
3
4
J706
1
2
5
6
3
4
C20
1000pF,X7R
12
D18
1N4148
21
D9
SS12
21
D8
SS12
21
J708
1
3
5
2
4
C13
1000pF,X7R
12
C16
1000pF,X7R
12
C11
1000pF,X7R
12
C26
1000pF,X7R
12
C25
1000pF,X7R
12
C24
1000pF,X7R
12
C23
1000pF,X7R
12
D17
4148
21
D16
4148
21
D15
4148
21
D12
4148
21
D13
4148
21
D11
4148
21
D10
4148
21
D14
4148
21
D6
4148
21
D5
4148
21
D4
4148
21
D3
4148
21
D2
4148
21
D1
1N4148
21
D7
SS12
21
+
C22
10UF 35V
12
+
C15
100uF,16V
12
+
C17
100uF,16V
12
+
C18
100UF,6.3V
12
+
C10
100uF,6.3V
12
+
C9
22uF,16V
12
TP2
TP3
TP4
TP5
TP6TP1
+
-
U9
TL072CD
5
6
84
7
+
-
U9
TL072CD
3
2
1
Q1
MMBT2907
C
B
E
R103
4..7K
12
R101
100
12
R91 100ohm
12
R79 10K
12
R80 10K
12
R95
1K
12
R94
1K
12
R99
10K
12
R93
1K
12
R98
10K
12
R97
10K
12
R92
1K
12
R96
10K
12
R73 4.7K
12
R76
1.0M,1%
12
R77
100
12
R82
1.1M,1%
12
R84
165.0K,1%
12
R83
100.0K,1%
12
R86
100.0K,1%
12
R87
10K
12
R81
20.0K,1%
12
R78
49.9K
12
R75 10K
12
R104
10K
12
R88
34.8K
12
R90
4.99K
12
R102
20K
12
R100
2.2K
12
R74
1M
12
R85
1.5M
12
C36
.1uF
12
C35
.1uF
12
C34
.1uF
12
C27
.1uF
12
C28
.1uF
12
C29
.1uF
12
C30
.1uF
12
C31
.1uF
12
C32
.1uF
12
C33
.1uF
12
C14
.1uF
12
C19
.1uF
12
C12
.1uF
12
C21
.1uF
12
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:
K2600 KEYBOARD SCANNER
POWER, DIG I/O
Mike Richmond
021208A3 RAV3
021208A3 2000/11/02
22
+5Vref {1-A1,B1}
CPDL1SNS {1-A1}
CPDL1 {1-B1}
CPDL2SNS {1-A1}
CPDL2 {1-B1}
BRTHSNS {1-A1}
VCC
VCC
PDL4 {1-D1}
+5Vref {1-A1,B1}
+5Vref {1-A1,B1}
+12V
VCC
PDL3 {1-D1}
~12V
~12V
+12V ~12V
VCC
VCC
PDL2 {1-D1}
VCC
PDL1 {1-D1}
+5Vref {1-A1,B1}
VCC ~12V +12V VCC
VCC +12V ~12V
+5Vref {1-A1,B1}
VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC
EXTIRQ {1-B7}
SMIDI_TxD {1-A7}
VCC
EXTIAK {1-D1}
VCC
SMIDI_RxD {1-A7}
VCC
+12V ~12V
RESET {1-D1}
BATSENSE {1-A1}
RESET {1-D1}
~12V
RAV3: Changed value of R90 for Tianma LCD.
Switch Pedal 1
Switch Pedal 2
Switch Pedal 3
Switch Pedal 4
NC
Breath Control
Control Pedal 2
Control Pedal 1
DNS
All resistors are 5% unless specified otherwise.
All capacitors are Z5U unless specified otherwise.
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