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Tandy Radio Shack Realistic PRO-2004 Service Manual page 74

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SCHEMATrc
DIAGRAM (PLL
SECTie
, - - ®
TO UNEAR SECTlON
.....---..,
JI.2
R
336
-1
220
eJ
]
031
3PtCl
~C330
To.ool
-
R3ZZ
lOOK
R320
ZZO
R321
100
C3V
C3Z8
C329
IPI CI
IPICl
ZPICI
033
5P
0309
h:m
s
To.OOI
L328 FUZ9 :l330
I
bC4IS'
R31a 14PICl
zzo
\
-
R303
L304.305
220
2.5LN8-~7
R3
0S
CI4
ZZO
R302
0.001
1
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R304
r
47K
R307
~
0303
100
R309
155241
LJ04
L305
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OOK
r6
C311
5P
,. ..
~
CIG
R305
~
10PICI
0302
012
C313
C41G
,.
U
K
R30G
3P'Cl
5PtC)
3PICI
0304
ISS241
IK
C315
lSC3358
4PtCl
C3Z3b
0.
001
1
R
R315
317
-
R319
47K
100
47K
(
L30G
1
0p
R314
10
C319
lP
R312
33K
0305
2SC335a
L325 ~C409 aPlc
C406
~ICI
L323~
J
hl
L324
0
C4073PICJ
/
C379
100P-
-
2
1
r1
X-301
r.
TXla24
3
IOMHz
41-_ _... 3
51---.L._--.J
~~
af-
1C301
IIC145158
0315
RN2005
16
15
C372
r - -
14
0.001
13
1
2
,..-+--111
r---I---IIO
f--9
R357 l..::-_ _
.;;.rî
UK
C370
0.047
IMI
UI7
R355
2LNQ-253
33K
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R35G
0309
4.7K
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e
e369
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R354
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1
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1
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1
100
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470
R350
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N
,
o
~
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0
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1
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0.001
I
C41
1
.
~
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R346
1
1
00
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1
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0'001~0'001
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L32G
C383
1
0 9
;
0.01
To , o e
J"
C378
0.001
cmr
5P
1
~~~L318
,1C376
·.t
OJl
LW
PLL-Z LAT
CLOCK
PLL-I LAT
DATA
CAUTION
'
L
SINCE THE
C
O MPONEN T MARKEO 8Y
&.
ARECRITICAL
~~~y~AFETY,
USE ONESDESCRI8EO ON PARTS LIST
_
" l 9 8 7 6 l
J
3 1 2 1
<b
TO CPU
SECTION
.
-
CN503
---
L313 lOOp
..
••
U
l4
lOOp
,
,.
L315 lOOp
VCO
FILTERI
VCO
FILTERZ
VCO -I
LAST NO
IC-306
, 0-319
,0 -309 , C-
421,
R-371,
L-32Z
HOT USED
~~~
~ .~:'
...
.
!
.!~
~
~~~i
,355,
375,385,
390, 391
,3~
,40S,41
0 ,
412,415,417
NOTES
'
I. RESISTANeE VALUES IN OHMS IK:IOOO,M:IOOOOOO)
2.
CAPACITANCZ VALUES INpFI p: ppFI
3.ITl,TANTALUM CAPACITOR
4.
1M I
'MYLAR
OPACITOR
5.
IC
J.C
HIP TYPE CAPACITOR OR RESISTOR
6. NO SUFFIXED
e
~ R A M le
CAPACITOR
7.
O
DENOTES OC VOLTAGE MEASUREO WITH OC VOLTMETERIiOOKn/VI
UNOER FOL
LOWING
CONDITIONS
(j)Z5-Z20.';'j5M
"-:~) 220.5 - 520M
aJ760-1052.495M
,@1052 .5-1300M
8.
L323
- 330 ARE
C
OI L S ON
p.e.9.
'
PC-2
-76 -

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