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Kurzweil K2600 Series Service Manual
1
A
R1
24
10K
RESETOUT
1
2
58
AIN[7]
59
AIN[6]
60
AIN[5]
61
AIN[4]
62
AIN[3]
63
AIN[2]
64
AIN[1]
65
AIN[0]
P[7]
4
P[57]
P[6]
5
P[56]
P[5]
6
P[55]
P[4]
7
P[54]
P[3]
8
P[53]
P[2]
9
P[52]
P[1]
10
P[51]
C1
R2
P[0]
11
P[50]
.1UF
1M
23
SYNC
22
R/W
20
WR
21
RD
B
VCC
31
CLKOUT
29
XOUT
CLK10
28
XIN
RESET
26
RESET
69
VREFADC
68
VREFDAC
71
AVCC
70
AVSS
72
VCC
73
VSS2
32
VSS1
25
MODE
R3
100 OHM
C
J702
1
3
11
6
+12V
7
~12V
9
DGND
VCC
~12V
+12V
SCANNER POWER
5
--12V
4
+12V
D
3
AGND
2
+5V
1
DGND
GJ2
+
C2
1
2
J701
47UF,6.3V
1
7-22
Front Panel/Scanner Board (rack models)–Scanner, Front Panel I/F
2
3
VCC
P[7:0]
R8
10K
66
DAC2
67
DAC1
U1
74
37451
P[37]
75
P[36]
76
SMIDI_TxD
TxD/
P[35]
77
SMIDI_RxD
RxD/
P[34]
78
PWM/
P[33]
79
EV3/
P[32]
2
EV2/
P[31]
3
EV1/
P[30]
42
A15/
P[17]
43
A14/
P[16]
44
A13/
P[15]
VCC
45
/SLD7
A12/
P[14]
46
/SLD6
A11/
P[13]
47
/SLD5
A10/
P[12]
P[7]
48
/SLD4
A09/
P[11]
R4
49
/SLD3
A08/
P[10]
10K
/SLD2
P[6]
50
/SLD1
A07/
P[07]
51
/SLD0
A06/
P[06]
52
A05/
P[05]
53
P[5]
A04/
P[04]
54
A03/
P[03]
55
A02/
P[02]
56
P[4]
A01/
P[01]
57
A00/
P[00]
33
D7/
P[27]
34
D6/
P[26]
35
D5/
P[25]
36
D4/
P[24]
37
D3/
P[23]
38
D2/
P[22]
39
D1/
P[21]
40
D0/
P[20]
12
WE/
WR/
P[67]
13
RD/
E/
P[66]
14
CS/
P[65]
15
A0/
P[64]
16
VCC
RDY/
P[63]
17
INT3/
P[62]
18
INT2/
P[61]
19
INT1/
P[60]
U2
PRE
P[3]
2
D
P[2]
3
CLK
CLR
EXTIAK
2
EXTIRQ
EXTIAK
EXTIRQ
5
SMIDI_RxD
SMIDI_TxD
PCB Note:
12
CLK10
CLK10EN
J702-12 must run
next to J2-11.
10
+12
LCDCONT
--12
14
BATSNS
RESET
VCC
4 8 13
R13
R19
2.2K
20K
X1
GJ1
+
R18
1
2
100
2N2907
B
1
2
Q2
2
3
4
5
VCC
R9
10K
SP1
R11
C
100
1
PHASEA
2
1
B
2
COMMON
3
PHASEB
Q1
E
MMBT2222
VCC
EDIT
S9
R14
R15
R16
R17
1
2
10K
10K
10K
10K
LAYER UP
S10
1
2
LAYER DN
S11
1
2
11
9
10
8
P[3]
12
9
D
7
7
6
P[2]
13
6
C
5
5
4
P[1]
14
4
B
3
3
2
P[0]
15
2
A
1
1
0
74LS145
U3
R10
10K
5
Q
6
Q
74HC74
VCC
R6
34.8K
D10
2
R5
1N4128
RESET
10K
R21
10K
C3
10uF 35v
R7
4.99K
2N2907
B
Q4
Q3
B
R20
~12V
2N2222
4..7K
1
2
4
5
6
R12
D1
D2
D3
D4
D5
100
RED
RED
RED
RED
RED
MIDI
D9
DISK
SONG
MASTER
MIDI
EFFECTS
RED
S1
S2
S3
S4
S5
1
3
1
3
1
3
1
3
1
3
2
4
2
4
2
4
2
4
2
4
SOFT C
SOFT F
EXIT
CANCEL
ENTER
1
S14
S17
S22
S37
S38
S25
3
1
3
1
3
1
3
1
3
1
3
1
3
4
2
4
2
4
2
4
2
4
2
4
2
4
SOFT B
SOFT E
CURS UP
CURS<
INC
2
S13
S16
S19
S18
S24
S26
3
1
3
1
3
1
3
1
3
1
3
1
3
4
2
4
2
4
2
4
2
4
2
4
2
4
SOFT A
SOFT D
CURS DN
CURS>
DEC
3
S12
S15
S20
S21
S23
S27
3
1
3
1
3
1
3
1
3
1
3
1
3
4
2
4
2
4
2
4
2
4
2
4
2
4
PCB Note:
Pins 1&2 on switches S1 - S38 are connected internally. Do not need traces between them.
Pins 3&4 on switches S1 - S38 are connected internally. Do not need traces between them.
VCC
VCC
VCC
VCC
VCC
+12V
~12V
C4
C5
C6
C7
TP701
TP702
TP703
.1UF
.1uF
.1uF
.1uF
U1
U1
U2
U3
RAV4: Changed value of R6 and R7 for Tianma LCD.
RAV3: Updated version to match BOM. No schem changes were made.
6
7
8
D6
D7
D8
RED
RED
RED
A
Q ACCS
SETUP
PROGRAM
S6
S7
S8
1
3
1
3
1
3
2
4
2
4
2
4
4
7
+/-
S28
S31
S34
1
3
1
3
1
3
2
4
2
4
2
4
5
8
0
S29
S32
S35
1
3
1
3
1
3
2
4
2
4
2
4
6
9
CLR
S30
S33
S36
1
3
1
3
1
3
2
4
2
4
2
4
B
VCC
C
U2
PRE
12
9
D
Q
11
8
CLK
Q
CLR
74HC74
All resistors are 5% unless specified otherwise.
All capacitors are Z5U unless specified otherwise.
YOUNG CHANG CO., LTD.
D
TP704
Reproduction without the express written consent
of Young Chang Co., Ltd. is prohibited.
K2600 RACK SCANNER
Scanner, Front Pnl I/F
Filename:
021209A4
Date:
2000/11/02
Eng:
By:
Mike Richmond
Mfg:
Sht
1
of
1
Doc:
021209A4
Rev:
RAV4
7
8
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