Watchman FD-30A - Exploded Views and Parts List

FD-30A FD-30A
SCHEMATIC DIAGRAM
A
B
Cc
D
E
F
G
H
I
J
K
L
M
N
Oo
P
1C201 /MBI364P Q202 2SC2785E-F 254 2SC536SP
SWITCHING
{
A
BOARD
]
Q2or
2sca7i2
Qi52 Qis3 Qi5! a
2SAI1626 2SA11626 28c27l2 set Sze
SWITCHING SWITCHING SWITCHING a
Q25!
2SC536SP
SWITCHNG
4.2V.
(4)
VIF VIF VIF
[aL
PL
g2se
2SC536SP
MUTING
Q253
2SC536SP
BUFFER
{mox 3.4V fmin OV
fncainy Jmox 4.2V(VHF HIGH :0N) peal
0602
Q152
Q53
R54
-
iia
Ope
C154
wt)
Th
ok
0022
C}
C158
{|
CI57]
C56
|
CI55
A)
R152:
R15)
C152
0.01
10.068}
0.068
|
0.068
0.0047
_
'
eee
a]
<
ek
—_——__—-
--
38. QI54 2SAI162G 9402 DTCII4EK
00 SWITCHING 2SC2712 2sc27l2 U. BLANKING
pss ee eee Ee vince.
QI55 — 157
2sc27i2
SWITCHING
Q803 2SCc27i2t
CONVERTER DRIVE mon
Q804 250763
SIS!
[Bano sevect] SELECT
a ee
(3) POSITION
SuB 8S
r
|
DISCRIMINATE
ORIVE
SWITCH
SWITCH
VOLUME
(1) VOLUME Swit VHF] === | UHF wae aie ine CONVERTER OUT 34vp-p i \ }
(Samet Aeon ey 2 ¢ Oe al ee beoreoe / @608srens , ‘ge
C5740 isa [~ 4.2v 56 RO7.5EN2 DUMPER
(2) PCS74U ria
{ia :3¥ IC151_ANS700 ne ) ay asciszea E188
Jmin
215V
.
BAND SELECT
9158 2sAli75 :
WITCH! 2201 =
+
cell
D809
dies BOARD 01 GS
(172)
D808
D803
Issii9#8Y
RDG.2E!
D501
1$2835
R861
00k Rees Q
R551
R552
12k
_ 9.ik
Vu 2a Reo! |, 22
ev Ay C) bs
R05:
R306
us
:
RBE
FLL 9801 a7
0.55Vp-p
ey 801 2SC2712L..4.. C36 802 250763 856 250999
30! C514, | 680 D502 9552 Q554 258624 ee : H.DRIVE | ae ¢ HOUT See ouT
!
2SC2712
2
2SAl162
heey
RD3.9EBI
score
VOUT
-
=
985!
Q852
Q853,854
L.8Vp-p
T
D851
9855
‘
aaaes
aetste
RSIS
2k
*
2SANl62
—2sC27I2
2SD596
1SS123
2SC162z
-
KEYSTONE
\A4A
DYNAMIC
FOR
QI 2SKI93F Q2 2SC2839E Q4 2SC2839E
FM RF AMP FM MIX Sav FM IF AMP
R3
1Ci_ TAT640AF
ie ae FM IF /DET,AM MIX/IF/DET -
atk
FM
DX
—®
FM
LOCAL
=
AM
c2
Ful
a.
66
LED
BOARD
DI D6 |0.001 focz dl i> oy 3p a
apr
) 2SC536SP [srt | : ios
B
Eee
g
:
SWITCHING
|
a
nae
Tey
2h me S| cvisthere hee 98
2 3
28C2712
a
ec
<a
eae
:
25
o
$8153
R55
=
33k TO
[BAR ANT BOARD) 7" ie
. STEREO
ANT2 ] DECORDER
43 FERRITE-ROD
+ 00047 ANT,
4¢
Hs
:
{C51
TA7343AF
MPX B56 +