
+24VI
(p2B4)
R12
10k
(p2A4)
f wdi
C15
1uF
10V
(p5C2)
+5VA
*ORC
ATN
Q2
BCX19
*PANT
inpref
C8
47n
R11
220k
(p2B4)
inp
*ATN
+
-
U1B
LM358D
5
6
7
(p3B2,p5B3)
inpcmp
f wdb
pant
aav bd
pf wd
C2
47n
(p5C2)
VR
(p3A4)
R6
6.8k
C
*OUTR
agnd
R13
22k
f wdp
R8
10k
(p5D2)
rf li
(p5B2)
R3
10k
n/c
R19
1k
1%
C4
1uF
10V
(p2B2)
(p3A4)
paav
C3
1n
R111
220k
Top View
D2
BZX84C4V7
temp
+
-
U2B
LM393D
5
6
7
D6
BZX84C4V7
+5VA
(p2B2)
+
-
U2A
LM393D
3
2
1
8
4
Q1
BCX19
R1
2.2k
C78
47n
BCX19
f wdr
C1
1n
R7
220k
f wd
R5
33k
+
-
U3A
LM393D
3
2
1
8
4
+
-
U1A
LM358D
3
2
1
8
4
(p2B4)
R9
10k
U6C
ULN2003D
3
14
C10
1n
C
+5V
D4
BZX84C4V7
aav
R17
100k
R20
2k
1%
C16
100n
f wdb
D5
BAS16
C18
47n
(p2A4)
paav
D3
BAS16
E
BAS16
aav i
C7
100n
R2
2.2k
R4
100k
D1
BZX84C4V7
R21
560
(p5C2)
R16
2.2k
JP2
MTA100-8
TUBE DECK
1
2
3
4
5
6
7
8
A
paav r
VR
R18
33k
f wd
temp
+5VA
C9
1n
*INR
(p4C3)
JP1
MTA100-6
WATTMETER
1
2
3
4
5
6
BZX84C4V7
aav b
+5VA
C6
100n
R15
2.2k
rf l
tempi
f wdd
pf wd
C12
1n
*GRIDRF
+5VA
aav b
(p2B4)
B
R14
2.2k
(p5C2)
+48V
+
-
U3B
LM393D
5
6
7
(p2B4)
R10
4.7k
*ATNF
C13
1n
C5
47n
(p6B3)
VR
C14
1n
(p5A1)
Top View
+5V
agnd
C17
10n
FHI
inpi
CONTROL 1/9