Kurzweil SP5-8 - Edit Setup Mode - Display and Navigation; Display Information and Navigation Controls; Chan;Param Buttons and Alpha Wheel Usage

SP5-8 Service Manual
7-7
Engine PCB—Power Circuitry, Test Headers , Reset (5 of 5)
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
2.5 Turn Ferrite Bead
Reset
NMI
Low ESR
POWER CONN
PWRUPRST_L
PWRUPRST_L
VCC
+12V
VCC
VCC33
VCC VCC
VCC33
VCCVCC
VCC33
VCC
VCC
VCC33
VCC12
VCC
VCC33
VCC25
VCC18
VCC33
-12V
VCC
VCC33
RESET sh.1
RESET_L sh.1,3
CPU_NMI_L sh.1
Size
Document Number
Rev
Date:
Sheet
of
Reproduction without the express written consent of Young Chang Co., Ltd. is prohibited.
By
Title
021402
F V1
PC3LE ENGINE BOARD
Young Chang R&D Institute
1432 Main St.
Waltham MA 02451
Wednesday, April 04, 2012
USA
Copyright 2010 Young Chang Co., Ltd.
R. Folk
Power Circuitry, Test Headers, Reset
5 5
C154
10uf
TP25
PTH
1
C153
0.1uF
R69
200
TP23
PTH
1
U27C
74VHC05
5 6
147
TP3
HEADER_POST
DNS
1
J27
HEADER3
DNS
1 2 3
R84
20K
J29
HEADER 2
DNS
1
2
TP9
HEADER_POST
DNS
1
C151
10uf
+
C163
10uF
R85
1.0K
TP24
PTH
1
R68
121
+
C143
220uF
TP5
HEADER_POST
DNS
1
TP17
PTH
1
U27E
74VHC05
11 10
147
R70
0
J30
HEADER 2
DNS
1
2
+
C145
22uF
R79
2.0K
DNS
TP2
HEADER_POST
DNS
1
TP13
PTH
1
U28B
74HC14
3 4
R75
60.4
U27B
74VHC05
3 4
147
R81
1.0K
J22
HEADER3
DNS
1 2 3
C159
0.1uF
C161
0.1uF
C157
22uf
U23
LM1086-ADJ
VIN
3
ADJ
1
VOUT
2
TP26
PTH
1
R71
0
D6
BAS40
13
2
TP28
PTH
1
R77
20K
TP11
PTH
1
U28A
74HC14
1 2
7 14
TP16
PTH
1
J28
HEADER3
DNS
1 2 3
TP27
PTH
1
R76
2.0K
DNS
TP15
PTH
1
J23
HEADER 6
Molex 26-60-4060
DGND
1
5VDIG
2
-12V
3
AGND
4
+12V
5
/PWRUPRST
6
R80
1.0K
TP4
HEADER_POST
DNS
1
TP22
PTH
1
C152
10000pF
C160
10uf
DNS
U28C
74HC14
5 6
TP7
HEADER_POST
DNS
1
R83
20K
C149
10uf
DNS
R74
10K
+
C155
22uF
L12
FBEAD_SMT
C162
0.1uF
+
C147
100uF
+
C158
100uF
C150
0.1uF
U27F
74VHC05
13 12
147
TP21
PTH
1
D5
BAS16
13
U24
LP2992-V2_5
VIN
1
BYPASS
4
ON_OFF
3
VOUT
5
GND
2
U28E
74HC14
11 10
C146
0.1uF
TP18
PTH
1
U28D
74HC14
9 8
TP19
PTH
1
R72
0
U26
LP3891-V1_2
SD
1
VIN
2
GND
3
VOUT
4
BIAS
5
U25
LM1117-ADJ
VIN
3
ADJ/GND
1
VOUT
2
PAD
4
R67
0
1206
R78
1.0K
TP8
HEADER_POST
DNS
1
TP29
PTH
1
R73
121
L15
600 OHM @ 100MHz
R82
1.0K
+
C164
10uF
U27D
74VHC05
9 8
147
L16
600 OHM @ 100MHz
C156
0.1uF
TP14
PTH
1
TP12
PTH
1
U27A
74VHC05
1 2
147
J25
HEADER3
DNS
1 2 3
U28F
74HC14
13 12