Page1of 8
Filename:Amp-e1.tcw
AMP-E
SCHEMATIC
ac
ac
-
+
7812
REG.
7912
REG.
C17
C19
C18
C20
C21
0.1uF
0.1uF
+12V
-12V
GROUND
FROMAC
DISTRIBUTION
BOARDOR
TRANSFORMER
PINS3, 4&5
28VAC
#1
GROUND
28VAC
#1
BR3
BRIDGE
RECTIFIER
BR805D
28VAC#1
GROUND
CHASSIS
GROUND
ac
ac
-
+
7812
REG.
7912
REG.
C10
C12
C11
C13
C14
0.1uF
0.1uF
+12V
-12V
FROMAC
DISTRIBUTION
BOARDOR
TRANSFORMER
PINS6, 7&8
GROUND
#2
28VAC
#2
BR1
BRIDGE
RECTIFIER
BR805D
ac
ac
-
+
7824
REG.
470uF
50V
C15
C16
0.1uF
24VOLT
BIAS
VOLTAGE
FROMAC
DISTRIBUTION
BOARDOR
TRANSFORMER
PINS1&2
24VAC
BIAS
BR2
BRIDGE
RECTIFIER
BR805D
VR3
VR4
VR5
VR2
VR1
2
2
POWERSUPPLY#2 ISA
+12V AND -12VSUPPLY
BIASED24VOLTSABOVE
GROUNDPOTENTIALBY
VR3OFTHEBIASPOWER
SUPPLY. THISSUPPLY IS
USEDBYTHEFID, PID,
DELCDANDFPDDETECTOR
AMPLIFIERS.
28VAC
#2
THEBIASPOWERSUPPLY
MAINTAINSA24VOLTDC
POTENTIALBETWEEN
GROUND#1ANDGROUND#2.
POWERSUPPLY#1 IS
THEPRIMARYPOWER
SOURCEFORALLFUNCTIONS
OFTHEAMPBOARDAND
ALSOPROVIDES+12VAND -12V
TOTHEA/DBOARD.ONLYTHE
TCDCIRCUITREQUIRESAN
ADDITIONALACVOLTAGE INPUT.
SEEPAGE2.
POWERSUPPLYSECTIONOFAMPBOARD
POWERSUPPLY#2
POWERSUPPLY#1
BIASPOWERSUPPLY
+12V
-12V
28V#2
28V#1
28V#1
CT
CT
24VBIAS
24VBIAS
28V#2
ECD
SECTION
TCD
SECTION
DELCD
SECTION
DELCD
AMP
FID
AMP
FPD
AMP
18VOLTSAC
FROM
TRANSFORMER
PID
AMP
TOA/DBOARD
(GROUNDFROM
CHASSISGROUNDSTUD)
POWER
SUPPLY
SECTION
FROMAC
DISTRIBUTION
BOARDOR
TRANSFORMER
AMPLIFIERBOARDLAYOUT
28VAC#2
FLOATINGGROUND
Date: 12/20/97
By:M.Watts
1000 uF
35 V
1000 uF
35 V
10uF
50V
1000 uF
35 V
1000 uF
35 V
10uF
50V
By:R. Fenske
Rev.Date:10/08/03
