SPHINX
Project Two Mk2 Service Manual
19
Project 2 right pre-amp
T29
K389
T28
J109
R129
100R
R123
100R
R125
100R
R127
100R
LD14
LED red
LD12
LED red
T33
C2240
T23
C2240
T27
A970
T32
A970
R115
2K21
R114
2K21
R113
2K21
R112
2K21
T37
A970
R137
243R
R117
2K21
LD18
LED red
LD17
LED red
T36
C2240
R110
2K21
R139
33K2
R134
243R
R136
200R
R135
200R
R121
200R
R120
200R
R116
51R0
R95
600R
R111
51R0
R94
600R
T18
C2705
D15
D14
R99
18R0
R98
18R0
R91
4K75
C57
470P
AGND
R101
10R0
C59
47P
R86
10R0
R84
10R0
R88
243R
R82
243R
R81
100R
R89
100R
R87
51R0
R83
51R0
R85
4K75
P4
50R
T13
A1306
T12
C3298
LD13
LED red
C55
C54
AGND
AGND
1
4
CN11
4PIN
1
4
CN10
4PIN
1
4
CN7
4PIN
1
2
3
4
5
6
7
8
CN15
8PIN
C72
10N
C71
10N
AGND
T20
C2705
T19
A1145
D13
D16
T21
A1145
P3
50R
LD11
LED red
+22V
R-INPUT
+R-OUT
R140
600R
AGND
+R-OUTR
1
2
J4
+
C75
330U/50V
C76
+
C68
+
C67
+
C63
+
C62
AGND
AGND
-22V
± 4mA
± 4mA
-22V (+/-1V)
± 7.5mA
± 7.5mA
+22V (+/-1V)
LED voltage approx. 1.8V
