Page7of 8
Filename:Amp-e7.tcw
AMP-E
POTS&ATTENUATORS
BLACK
RED
GREEN
BLUE
YELLOWWIREOF
PHONECABLE
TODISPLAYBD.
TCDPROTECT
"ACTUAL"
(VOLTAGE TO
GROUNDONRED
FILAMENT)
J1
SIGNAL+
SIGNAL -
R33
100
OHM
5W
ZERO
+
_
2K
POT
BK
R
B
G
TCD
HEAT
FROM
HEAT
BOARD
THERMO-
COUPLE
TO
HEAT
BOARD
CHASSIS
MOUNTED
TCDCELL
B
B
R
R
W
SCREW
TERMINAL
ONAMPBD.
2
3
-12V#1
6
+12V#1
+
-
U2
INA117P
(PINS1,5,8ALSO
GROUNDED)
C4 0.1uF
C5 0.1uF
4
7
R4
100K
ELIMINATER5 (1M)ANDC6 (0.1uF);
CHANGER4FROM499KTO1K;
ADD100KFROMWIPEROF20KPOT
1K
-12V
20K
ZERO
POT
+
_
B
R
SIGNAL+
SIGNAL -
BLK
R
B
W
3
2
-12V
6
+12V
-
+
U9
LF356
R14
1K
C12
0.1uF
R13
1M
R12
1M
ELIMINATER15 (1M)ANDC13 (0.1uF);
CHANGER14FROM1MTO1K;
ADD1MFROMWIPEROF20KPOT
+
_
B
R
SIGNAL+
SIGNAL -
100K
+12V
20K
ZERO
POT
R
B
W
ECDPOTANDATTENUATOR
TCDPOTANDATTENUATOR
W
2.4
RESISTOR
VALUES INOHMS
2.4
5.1
10
20
39
82
160
330
620
1200
RED
BLK WHT
ATTENUATORASSEMBLY
ZEROPOTASSEMBLY
RED
BLK
WHT
TCD: 2KPOT
ALLOTHERS: 20KPOT
Date: 12/20/97
By:M.Watts
By:R. Fenske
Rev.Date:10/08/03
FID,PID,DELCD, FPD,NPD,HID, TID
POTANDATTENUATOR
BLK
WHT
WHT
ATTENUATOR
ATTENUATOR
BLK
WHT
ATTENUATOR
