SPHINX Project Twelve - Project 12 Protection Diagram

SPHINX Project Twelve Service Manual
17
Project 12 protection diagram
RA2
1
RA3
2
RA4
3
/MCRL
4
GND
5
RB0
6
RB1
7
RB2
8
RB3
9
RB4
10
RB5
11
RB6
12
RB7
13
VCC
14
X2
15
X1
16
RA0
17
RA1
18
IC282
PIC16C71
C208
1n
R208
4k7
C210
100n
+
C209
1µ5/16V
+5V
GND
GND
R201
4k7
R202
4k7
C203
100n
NTC1+
NTC1-
+5V
R203
4k7
R204
4k7
C206
100n
NTC2+
NTC2-
+5V
GND
GND
R205
10k
R206
47k
R207
4k7
C207
100n
+63V 15
GND
C220
100n
21
22
STANDBY
GND
R234
4k7
+5V
R235
1k
R217
4k7
R218
10k
R219
4k7
C218
100n
C217
100n
Q203
BC807
3
2
1
U200A
LM324
5
6
7
U200B
LM324
10
9
8
U200C
LM324
12
13
14
U200D
LM324
4
11
U200E
LM324
R229
4k7
R230
390R
R231
390R
R232
10k
R233
4k7
-15V
+5V
GND
+ C219
330µ/6V3
R220
1M
R221
10k
R222
10k
GND
D207
5V1
D206
5V1
GND
16
DC detection
D204
1N4148
D205
1N4148
D202
1N4148
1
GND
GND
+5V
-15V
GND
V++MCLR RB6 RB7 Vss
GND
R209
560R
R210
560R
R211
560R
C211
100n
C212
100n
C213
100n
18 LED red
GND
GND
19
20 LED green
GND
GND
D201
OPTOUT
Q201
OPTIN
R212
100k
C214
100n
GND
+5V
C215
100n
R214
2k2
R213
560R
GND
17 STANDBY
Q202
BC879
R215
2k2
R216
2k2
C216
100n
GND GND
14 RELAY
R225
1k
R226
4k7
R227
1k
R228
1k
Q204
BC807
D203
BYD77
REL1A
MT2 6V
GND
-15V
Vin
1
GND
2
Vout
3
IC201
7805
R223
390R
R224
390R
C203
100n
C204
100n
+C201
10µ/25V
12
6
7
8
9
10
+5V
GND
11
+15V
5
-15V
REL1B
REL1C
SIG-
AGND
SIG+
SIG-2
SIG-1
INP1
INP3
SIG+1
SIG+2
R1
314R
SHA-2XWIS
R2
2k2
R3
22k2
AGND_1
SIG+_1
OVER CUR.
S1.2
S1.1