Exciter - GE Mastr II Maintenance Manual

LBI-4732
UIUZ
TRANSMITTER AUDIO 1 C
I ,------
E~S<S >---<~_:1>--HO,,
DE-
P0S~-LJN ~"~
.... ( aOA
..;P.
rt.IIIPttASIS
~
FILTER
~~
z~o
;<"'
~1----------{~
P902
6
r
r - 1
!J. ..
~
Cl49
I
!
1
Rl!51
;rt~
"'26
6.~
...
SPARE
f-
I K
~
430
i62:
~~MOO:;;;;;--+-'
f.~ ~
CHAN. GUARD AOJUST
CG HI
ziC-~---r--r-----r---ri~,U~FI!~~~r------------"M~O~O~A~01J<J~S:T
__
+------+------~
~~CII6
RI2B
·a;
!50K
C G LO 3
<:---+--+--f---+--+-+-+--"4-------_::.:::_.
BUFFER
QIOI
RI04 Rt53
68 IK
A-
•(~--+-+---t-~~~~----~----~--~---+--~
r'""'"'•+--t-r• .---,
;~;·;g
I
~•~v
I
7f-i---r-t---~--------~~----+-~--~~----------------~
CIOI
.00!11
I
I
~~
TXOSC
CONTROL
12(--4---f---t-----------~.---~~----~--+--1------~-----------, RIOZ
6.81(
~
C
153
L-----f-) f---.,"~·~Wfvj_jO/I''([_ '
MIC LO/TX AUDIO LOj 5 Cl 5 2. Cl:54 .o!UF • .J$V .,
~
, .OII.F ' .OIUf "
_g:u::~ ~
MIC HI/TX AUDIO HI
I
6
<--+-_j
V~l~l
COMPENSATI':>NI 13
(--j----------------------+--1--+-•
I
~----
- - r -,
F I
1
:' 1
f---+-----------;--o
1 YIOI
L .!_ _ !5 4 3 2 I _IXYIOI
r - - - - t - - - - l
f2
c
2
FREQ
DIVIDER
(+
4)
IC
' I
u1o:
12
13
:; i7
I
L.r
10
oJ
..
I.
II
Rl5<4
IK
""'
"''
CI02
470
CI03
.OOIUF
9
<:----+-------~""--<>
1 YI02
;f:_·~!:::_s __ ~ - ~ ~ _
I _JXYI02
,--r-
- - - - l
*
COMPONENT VALUES AS FOLLOWS:
10
<:----+--------,-.,.,.,-<>
1 Yl03
DA-t··;t:~L ~
5 _ 4 3 2 I _JXYI03
I ·--
-r=--c:c-:r- ---
r-
I
II
f(-f-~-------c>"~""""'s§o'-~~
5 3 2 I
1 x~::
tLEEVED
OAL:_~-~--_:_-::
_ _
r--
_ J
' ,--- -r-
I
I<
(-·~~------.,>!l;...,liid'lt---0
I Y"'
!
OA"""L_t_:~-~--~--~
!S
~ ~ 5 -2_
I _JXYI05
, - - - - - - l
' "f(-f-~~---------,~ ......
,;--o
1 YI06
QA .... ( ...
-..IfL_
6 5 <4 3 2 I tXYI06
••
"
F6
L-' - ------.=-.-
c- - -
c-
, - - - - - , -l
F< IS
((-t-i ------o.-...
-,~-~~~.:~~~-~,_----~-~ C-
=t-
2_
l_:x~:~;
' j
-----+-
l
F8
i
I 7 (
~~-!!;lsi ~
I YI08
L____
OA
:_~~~-~-~ :;_~
2
_ ! _ I _ _JXYIOS
OSCILLATOR MODULE
SCHEMATIC DIAGRAM
25--50 MHz, EXCITER BOARD l9D416659Gl-G8
16 Issue 3
• NJTD:
I .
IN TliD-REQ..VICT
[XC
I lERS ( GR0..PS I -4:)
Cl!iT IS CLif'PED OOT rCR CQIBI*TI(JICS;
lllni 2 TRIHSMIT IC!Hi. OA ..IM'£RS All£
F'RESEHT 0o1 rREJ:A.EJ«:Y SIIIT041PG Lli'ES CF
OTl£R SIX ICCJ4 CIRCliiTS.
2. IN Ellff'T-f'RE[J.EHCY
EXCITERS(~
S·U,
CAPAC IT~ CI57·CI63 #I£ CLIP'PEO QJT
AS REQUIRiD TO I£ET TK: CUSltMJ!
FlEW I R9ENTS F'(Jf FJIEQ...U«: I ES EXNFI.£;
IF nJST1JoER WN(TS ICOCS Fat Fl. F2,
1"5,
N£ LLF"T IH.
COMPON£NT LL
ID£NTIFICATION 25-30MHZ
Cll2
Cl23
Cl24
Cl25
Cl26
Cl27
Cl29
Cl
Cl31
Cl34
Cl35
Cl36
Cl37
CJ41
Ll04
Rl43
Rl44
RI07
Rl22
Rl23
680
91
,.,
91
I 8
91
47
47
47
I
0_68
r3
100
2.7
100
"
2
20K
20K
L
680
62
1.0
62
62
33
B2
2.2
100
I
15K
"'
A
MS[
cM>o:w:ns
lilT
1~[!-[U ~ ;,.~ HLITU
M
1000
56
1.0
,.
,.
22
0.56
12
0.39
__[Q_O
1.!5"
.47
15K
"'
:~
io!Ol Sf'A(( UITJ:
ClM!U.TIC.~.
H
1000
43
a.az
43
43
I
"
0.47
7
0.39
100
I K
RI06
IK
MOO
RI09
lOOK
LIO~
RI07
*
~.
RI08
4701< ;
RHO
22K
CI06
OOZT\1
Rill
15
MOO AMPL-1
QI02
RH<4
010
Rll3
3.31< • • •
'~
..
~'tl.J
E
CIOI
-~7\.IF
Rll1
820
Rll2
680
CRI02 CRJ03
CI04
330
;f.~
Rl50
33K
VOLTAGE READINGS
I"
~
110'-TAG£ READINGS ARE TYPICAL READINGS MADE
WITH THE TIUNSMITTER
KEY£0,
AND MEASURED
WITH A 20,000 OHMS-Pt:R·VOLT METER WITH
REfERENCE TO A- AND NOT CHAl"'liS GROUNil.
AN RF CHOKE 125-50 MlCROHENRYSI I~ USED IN
THE HOT METER LEAD TO AVOID OETUNING
Rr- CIRCUITS.
"'""
010
f----"\.J . .
IV CliO
Rill
I
.OOILF
Z.2.K
.lc
'I
··~Q
Rl21
ZZK
MOO
Rl25
IK
~ L~ Ll~ (f.)
[\JIJ1;}·~ ~
A12Z Rl23
~ Clll
.0101\Jf
* *
*
~r
CIIZ
Rl24
ZZK
Cll4
0021U"'1'
MOO AMPL-3
0104
Rl32
010
Rl31
3.31(
Rl30
680
"1.2V
Rl33
.471<
-
RIM
560
cno--f, ;f,
.047,... Cll9
Cll7
.047 UF
Uf' .047 UF
11145
33K
BUFFER
0105
CIOO
10
R!35 Rl3&
22K IK
MULT-I
(TRIPLER)
Q 106
Cl47
·.1UF
TIOI
Rl37
33
*
C1Z4
9.6V
_1: C~23
f
,
F---1!_~+-J
CIZ!;
*
Rl31 :;:~CIZI
180 .01 UF
-;:~CIZZ
01
UF
JIW A
I
METERINGL_~zc_ __ ~l __ _c'c_ __ ~8~_c9~-3:_ __ <~-7c__:6~
ll9fl.621327, Rev. 21)
c
c
•
•
•
c
•
~ ~-
N
~
0
~ ~ ~
2 I :::1: 2 2
•
• u 0 ...
~ ~ ~ ~
•
Cl27
;~
*
pi03L
H
6 + +I
7+ +2
8+ +3
9+ ...,4
TOP VIEW
TIC!
MULT- 2
(DOUBLER)
0107
8
ltl39
120
1.6~V
TI04
Rl40
2Z
Cl45
' .01
Rl47
33K
· UF
*
Cl30
MULT-3
(DOUBLER)
0108
TI05
8
fU41
68
E I.I~V
Tl06
Cl32
.01 UF
Rl48
33K
AMPL-1
Ql09
*
Cl30
Ll07
10
TIOB
LIOI
39
~"?;f,
00.1 UF
IN OAO(" TO A[UIIt AAT[O EQUif>M[NT
PEJ"OAMAitC[, ft[PLAC[M[NT 0# Al'f'f
SUIVIC( PAlO' SHOULO M MADE ONlY WITH
A COIIIPO!It(NT 1-U.VING THE SPECIFICATIONS
S~ ON THE PA.IITS LIST FQIIII TMolof PA.IIT.
*
LI04
*
Rl44
RI4SI
33K
*
TCI41