Infinity Reference 1600a Service Manual page 29

1
1600a Reference Series
D
PWM
R2
20K
C
R40 C55 472
4.7K
SIG
1
2
3
4
C75
104
R191
100R
-5V
B
A
1
2
R64
100K
C100 D4
102 IN4148
R55
1K
SD
C104
2.2U/16V
R48
330R
+5V
+5V
R192
8 100R C77 R44
R31
7 C56 10K
U8 472 104 4.7K
1 5
081C 6 U16 R49
2
C57 R30 AO4G
3 4
5 104 10K
100R
6
5
+12V.D
4
2
3 4
R199 +12V.BIAS
680R
+5V.BLAS DZ1 R116
5.1V 680R
C60
104 E1
2.2U/16V
C59
104
R106
2.2K
D3 9
1 8 R105 IN4148 10
U9 2.2K 11
2 7W04 7 12
U10
D2 13
2010
3 6 IN4148 14
D? 15
4 5 16
R41
IN4148 C61 C62
4.7K 100P 100P
R3
Q30
10K
5401
D49
IN4148
+5V.BLAS
R29
30K
3
Q
R113
U17
1 7
NC DIS
220R
2
COM
6
THR
3
NC
4N35
C58
C43 100U/25V
47U/25V
ECN NO
DESCRIPTON
28
3 4
5
R193 D8
MUR120
10R
R117
C63 10R
104
R118 R198 R43
10R 10R 4.7K C92
104
C93
100U/50V
8
7
6
5
4
3
2
1
C94
100U/50V
R42 C91
104
4.7K
COM
R56
1.5K
4
R
2
TRIG
R57 U11
47.5K LM311
5
CVolt
R33 R58
10K 1K
U7
555
R45
C64
430R
332
-VCC
APPROVED DATA
PART NAME: SCALE:
AMP
UNIT:
PRODUCT MODE: SIZE:
infinity REF-1600
REV:
5
6
D
CN6
20
19
18
17
-VCC 16
15
COM 14
13
SD 12
+12V.BIAS 11
PWM 10
9
8
7
C
SIG 6
5
+12V1OU 4
+12V.D 3
+5V 2
1
CN-20P-180
-5V
B
A
DW GNO:
PART NO:
1:1 DRAWN BY: DATA:
MM CHECKED BY: DATA:
A4 APPROVED BY: DATA:
2.0
6