Front Panel Left Pcb (1 Of 2)) - Kurzweil sp5-8 Service Manual

SP5-8 Service Manual

Front Panel Left PCB (1 of 2))

6
Control Panel Bridge
1
SPANAIN_P SPANAIN_P
2
AGND
3
SPANAIN_N SPANAIN_N
4
AGND
5
LR4 LR4
6
LR5 LR5
7
LR6
LR6
8
LR7 LR7
9
SWR5 SWR5
10
SWR6
SWR6
11
SWR7 SWR7
12
COL0
COL0
13
D
COL1 COL1
14
COL2 COL2
15
COL3
COL3
16
COL4 COL4
17
COL5 COL5
18
SPREN_AN_L
SPREN_AN_L
19
SPD0 SPD0
20
SPD1
SPD1
21
SPD2 SPD2
22
SPD3 SPD3
23
SPD4
SPD4
24
VCC5
25
+15V
26
-10V
27
+10V
28
POWEROK POWEROK
29
GND
30
GND
J25
+5REF
C
Pitch Center
PITCH
1
LOW
2
WIPER
3
HIGH
J20
4
Wheels NC
MOD
5
LOW
6
WIPER 7
HIGH
B
+15V
POWEROK
R88
47K
R95
3
150k
1
A
2
3
Q22
1
MMBT2222
2
R99
10k
7-10
5
LEFT BOARD
+15V
LM78L05
U13
+15V
8
OUT
IN
C24
0.1UF
VCC5
+15V
-10V
+10V
C57 0.1uf
R101
R100 130.0k
10.0K
R103
R102
VR3 2
-
2
50K
1
30.1K
30.1K
3
+ U20-A
TLC2272A
R104
10.0K
C58 0.1uf
R105
130.0k
+5REF
C59
0.1uf
5
+
7
R106 30.1K
6 U20-B
-
TLC2272A
+15V
R87
2.2K
2 Q14
2 Q13
MMBT2907 MMBT2907
1
1 3
3
Q20
R90
MMBT2222 R89
2.2K
2.2K
R96
1.0K
DNS
Q21
MMBT2222 C1
R98
LLPMUTE
R97
0.1uf
4.7K
10K
+
C56
47uf
MUTE
4 3
COL5
COL4
COL3
COL2
COL1
COL0
NOMINAL
VARIATION ZONE1
5.1V
+5REF
D0
D1
1 2
1 2
+5REF
1
LR7
PROGRAM SETUP
D5 D6
1 2
R33 1 2
2.7K
LR6
LAYER
SPLIT
D10 D11
1 2 1 2
LR5
SHIFT2
SHIFT1
D16
D15
1 2 1 2
R34
33
LR4
VARIATION ZONE1
2 1 2 1
3 4 3 4
SW0 SW1
SWR7
PROGRAM SETUP
2 1 2 1
3 4 3 4
SW37 SW5
SWR6
SPLIT LAYER
2 1 2 1
3 4 3 4
SW39
SWR5 SW9
PITCH
MOD
2 Q16 2 Q17 2 Q18 2
Q15 2
Q19
MMBT2907
MMBT2907 MMBT2907 MMBT2907
1 1 1 1 1
3 3 3 3
3
MMBT2907
R93
R94
R91 R92
2.2K 2.2K
2.2K
2.2K
LLNMUTE RLPMUTE RLNMUTE PHLMUTE
2
LTR
ZONE2 ZONE3
ZONE4
D2 D3 D4
1 2 1 2
1 2
EDIT SETUP GLOBAL SAVE
D7 D8 D9
1 2 1 2
1 2 1
1
TRANSPOSE- TRANSPOSE+
OCTAVE SHIFT
1
D12
D13
D14
1 2 1
1 2
1 2
1
SHIFT3
D17 1
1 2
ZONE2 ZONE3 ZONE4 CONTROL SHIFT
2 1 2 1 2 1 2 1
3 4 3 4 3 4 3 4
SW2 SW3 SW4 SW36
M1
EDIT SETUP TRANSPOSE+ SAVE +
2 1 2 1 2 1 2 1
3 4 3 4 3 4 3 4
M2
SW6 SW7 SW8
SW38
OCTAVE SHIFT -
TRANSPOSE- GLOBAL
2 1 2 1 2 1 2 1
3 4 3 4
3 4 3 4
SW40
SW10 SW11 SW12
These components are DNS
+5REF
if the instrument does not
have Aftertouch Pressure
R113
+5REF
C66
2.49K
0.1uf
Sensitivity
U22-B
5
+
R111 - U22-A 7
2
-
1 6
1.00k -
VR4
TLC2272A
2 3
+
100K
TLC2272A
+
R114 4.99k
R112 J1 J2
1 1
C67 0.1uf
1.50K
R115
2 2
4.99k
3 3
4 4
Pressure Sensor(white key)
Pressure Sensor2(black key)
+5REF
Keyboard Pressure
COMPANY: Young Chang R&D Institute
PHRMUTE
TITLE:
SP5 FRONT PANEL LEFT BOARD
DRAWN: DATED:
QQG 2012-6-26
CHECKED: DATED:
CODE: SIZE:
<Code> A2
QUALITY CONTROL: DATED:
<QC By> <QC Date>
RELEASED: DATED:
<Released By> <Release Date> <Scale>
SCALE:
1
REVISION RECORD
ECO NO: APPROVED: DATE:
D
Mounting Holes
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1
1 1
1 1 1
1 1
1
1 M3
MARK-SMD
1 M4 1
C
KPSSR
R116 is DNS B
R116
0
if the instrument has
Aftertouch Pressure
A
DRAWING NO: REV:
REVA
<RD120545>
1 2
SHEET: OF