Fostex FD-4 Service Manual page 45

MIXER A (4/6)
C603
100P
C602
R602
10/16
100
R603
100k
J601
INPUT6
R601
C601
100k
100P
REC MUTE6
REPRO6
R636
22
+12V
AGND
-12V
R637
22
INPUT SEL
+12V
C630
*INPUT
0.1
*OFF
*TAPE
C604 R604
S602A
47/10 100
INPUT FADER C611
100P
C610
U601A
47/10
4558
R640
50KA
S602B
C631
-12V
0.1
R613
200k
U610
DTC143
R612
2k
+12V
AGND
-12V
C612
R617 R620
R616
100P HI GAIN
10k 10k 1.3K
MID GAIN
R641
R615
10KB
10k
C616
C613 C617
100P
0.022 0.0068
R618
R622
2K
+12V 9.1K
C634
R642B
0.1
U601B
50KCC
4558 LO GAIN
C615
100P
U602A
4558
R642B
MIDFRQ
50KCC
C621
C635
-12V 22P
0.1
R614
R619
9.1k C614
2K
0.012
R643
C622
R621 R625 R627
50KB
47/10
PAN
1.3K 27K 36K
STEREO L
R645
50KB R628
36K
C619
C618
STEREO R
0.015
0.0068
R626
R630
27K
36K
R644 R647 AUX1
R623
50KB
100KB
9.1K
R631
R629
36K
27K
AUX2
C620
22P
U602B
4558
R632 R634
R648
27K 36K
20KB
MON L
MON PAN
R646
MON
50KB
R635
36K
MON R
R633
27K
AGND