Project 2 Display - SPHINX Project Two MKII Service Manual

SPHINX Project Two Mk2
VCC
R1
R2
61K9
IR1
2
+
C1
V+
1 C47U/16V
D
IR
C9
3
GND
100NMKT
Input-selector
GND
U5
4
PFI PFI
6
WDI
8
GND VBAT
U4
8,00000MHz
C5 C7
33p 33p
100NMKT
GND
R7
S1 S2 S3 S4
C8
Standby M ute Tape-m
MAX690
1
VOUT
5
PFO
7
RES
U3
10
Xtal
11
EXtal
12
MD1
VCC 13
MD0
14
NMI
15
C6
VCC
16
STBY
17
GND
18
nc
19
M P40
20 H8
P41
21
P42
22
P43
23
P44
24
P45
25
P46
26
P47
VCC
T2SC2240 T7
M2
T2SA970 T6
GND
OPTO
T3
T2SC2240
GND
VCC
R10 R8
LD8 LD2 LD3 LD4
60
P10
59
P11
58
P12
57
P13
56
P14
55
P15
54
P16
53
P17
52
U2
GND GND
51
ULN2804
nc
50 1
P20 IN8 IN1 IN1
49 2
P21 IN7 IN2 IN2
48 3
P22 IN6 IN3 IN3
47 4
P23 IN5 IN4 IN4
46 5
P24 IN4 IN5 IN5
45 6
P25 IN3 IN6 IN6
44 7
P26 IN2 IN7 IN7
8
IN8 IN8
H8/325 HD6413258CP10
IN1
VCC
T5 T2SC2240
M1
T4 T2SA970
Service Manual

Project 2 display

T1
T2SC2240
M
R
LD5 LD6 LD7 LD9
R11 R9
T8
T2SA970
GND
+24
18
OUT1 RL2
17
OUT2 RL8
16
OUT3 RL3
15
OUT4 RL4
14
OUT5 RL5
13
OUT6 RL6
12
OUT7 RL7
11
OUT8 RL1
GND
U1
MC7805
1
+24 Vin
R5
C4
PFI
100NMKT
R6
GND
R4
10K
T2
T2SA970
G
LD1
R3
CN1
RL1 18
M1 17
RL7 16
M2 15
RL6 14
13
RL5 12
11
RL4 10
9
RL3 8
7
RL8 6
5
OPTO 4
GND 3
RL2 2
+24 1
18PIN
3
+5V VCC
+
C3
C2
100NMKT
C25V/470U
PCB 02601B-AS-SISW
1
21