Project 12 Protection Diagram - SPHINX Project Twelve Service Manual

SPHINX
+15V
IC201
7805
1
12 Vin
R223
390R
C203
C201 +
100n
10µ/25V
R224
6 390R
7
8
9
10
11
5
-15V
REL1B
SIG-1
SIG-2
SIG-
R2
AGND_1 2k2
INP1
AGND
INP3
R3
22k2
SIG+_1
SIG+
SIG+1
SIG+2
REL1C
R1
314R
SHA-2XWIS
S1.2
S1.1
DC detection
R222 R221
16
10k 10k
D207
5V1
D206
5V1
GND
Project Twelve
+5V
+5V
3
Vout
R201
4k7
R202
C204
NTC1+
4k7
100n
NTC1-
GND
+5V
GND
R203
4k7
R204
NTC2+
4k7
NTC2-
GND
R205 R206
+63V 15
10k 47k
21
C220
STANDBY
100n
22
GND
+5V
OVER CUR.
1
R229
4k7
U200A
3
2
R230
390R
LM324
+ C219
R220
U200B
330µ/6V3
1M GND R231
5
390R
6
GND
LM324
R232
10k
R233
4k7
-15V
Service Manual
+5V
C203
100n
R208
4k7
C208
16
X1
1n 15
X2
GND
17
RA0
18
RA1
1
RA2
2
RA3
C206
3
RA4
100n
4
/MCRL
PIC16C71
+5V
R235
1k
R207
C207
4k7
100n
R234 R217
V++MCLR RB6 RB7 Vss
4k7 4k7
GND
R218
C218
10k
100n
R219
4k7
D202
1N4148
C217
100n
D204
1
1N4148
GND
U200C
10
8
9
GND LM324
D205
7
U200D
1N4148
12
14
13
GND LM324

Project 12 protection diagram

R209
560R
C209
1µ5/16V C211
100n
GND
GND GND
C210
R210
560R
100n
C212
100n
GND
R211
IC282
560R
6
RB0 C213
7
100n
RB1
8
RB2
9
RB3
10 +5V
RB4 GND
11
RB5
12
RB6
13 R212
RB7
100k
C214
100n
GND
GND
R213
560R
R214
C215
2k2
100n
Q203
BC807 GND
R215
2k2
R216
C216
2k2
100n
GND
R225
1k
GND
Q204
BC807
+5V
R226
4k7
U200E
4
D203
LM324 BYD77
11
R227 R228
-15V
1k 1k
-15V
18 LED red
19
20 LED green
D201
OPTOUT
Q201
OPTIN
17 STANDBY
14 RELAY
Q202
BC879
GND
REL1A
MT2 6V
17