Kurzweil K2600 Series, Руководство по обслуживанию

Страница: 158 / 172

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
1
3
2
Q3
MMBT2222A B
C
E
Q4
MMBT2907
B
CE
Q2
MMBT2907 B
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
1 2
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
1 2
D18
1N4148
2
1
D9
SS12
21
D8
SS12
21
J708
1
3
5
2
4
C13
1000pF,X7R
1
2
C16
1000pF,X7R
1
2
C11
1000pF,X7R
1
2
C26
1000pF,X7R
1
2
C25
1000pF,X7R
1
2
C24
1000pF,X7R
1
2
C23
1000pF,X7R
1
2
D17
4148
2 1
D16
4148
2 1
D15
4148
2 1
D12
4148
2 1
D13
4148
2 1
D11
4148
2 1
D10
4148
2 1
D14
4148
2 1
D6
4148
2 1
D5
4148
2 1
D4
4148
2 1
D3
4148
2 1
D2
4148
2 1
D1
1N4148
2 1
D7
SS12
2 1
+ C22
10UF 35V
1
2
+
C15
100uF,16V
12
+
C17
100uF,16V
1
2
+
C18
100UF,6.3V
1
2
+
C10
100uF,6.3V
1
2
+
C9
22uF,16V
12
TP2
TP3
TP4
TP5
TP6 TP1
+
-
U9
TL072CD
5
6
8
4
7
+
-
U9
TL072CD
3
2
1
Q1
MMBT2907
C
B
E
R103
4..7K
1 2
R101
100
1 2
R91 100ohm
1 2
R79 10K
1 2
R80 10K
1 2
R95
1K
1 2
R94
1K
1 2
R99
10K
1 2
R93
1K
1 2
R98
10K
1 2
R97
10K
1 2
R92
1K
1 2
R96
10K
1 2
R73 4.7K
1 2
R76
1.0M,1%
1 2
R77
100
1 2
R82
1.1M,1%
1 2
R84
165.0K,1%
1 2
R83
100.0K,1%
1 2
R86
100.0K,1%
1 2
R87
10K
1 2
R81
20.0K,1%
1 2
R78
49.9K
1 2
R75 10K
1 2
R104
10K
1
2
R88
34.8K
1
2
R90
4.99K
1
2
R102
20K
1
2
R100
2.2K
1
2
R74
1M
1
2
R85
1.5M
1
2
C36
.1uF
1
2
C35
.1uF
1
2
C34
.1uF
1
2
C27
.1uF
1
2
C28
.1uF
1
2
C29
.1uF
1
2
C30
.1uF
1
2
C31
.1uF
1
2
C32
.1uF
1
2
C33
.1uF
1
2
C14
.1uF
1
2
C19
.1uF
1
2
C12
.1uF
1
2
C21
.1uF
1
2
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
2 2
+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.