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IFT F2
3-3.
Fig. 3-8
Adjusting parts location
(1)
Preparation:
Base Bias Voltage of Q06.
R29
must
be
selected
to
obtain
0.36 ~
0.40V at the emitter of Q06.
R29:
144W 5% carbon resistor
1-240-494
7,5002
1-240-497
10k2
1-240-501
15k
1-240-504.
20k
1-240-506
24k
1-240-508
30k2
TFM-8100W
TFM-8100W
SECTION
4
MOUNTING
AND SCHEMATIC
DIAGRAMS
CT4
tAM ose trimmer}
4-1.
RESONANCE
INDICATOR
CIRCUIT
BOARD
— Conductor Side —
L06
AM
ant
(Coit ee )
L04
(FM osc coil)
D202
L03
fe)
(FM rf coil)
cT1
(FM rf
trimmer
LO7
(AM osc coil)
L104
CcT2
(FM osc trimmer)
(Ue we
L107
tripler coin
(ee ney
L102
osc coil
(oe Wey
L101
rf coil
VHF WB
(antcoil-?
103
CT3
=
a
WwB 1)
(AM ant trimmer)
tripler coi
Fig. 3-9
Adjusting parts location
(2)
D202 : Mounted on the Conductor side.
4-2.
VHF
WB TUNER
CIRCUIT
BOARD
— Conductor Side —
2.
Base Bias Voltage of Q05
R20
must
be
selected
to
obtain
0.36 ~
0.39V at the emitter of QOS.
R20:
14W
5% carbon resistor
1-240-509
33k
1-240-510-
36k
1-240-511
39ka
1-240-512
43k
1-240-513-
47k
1-240-514
51k
Note:
Adjust the bdse bias of QOS only
after the base bias of Q06 is adjusted.
Q101;
2SC668
Q102, 103;
2SC710
Q201;
HS
EC
B
/ \
B
C
E
(a)
Cc
E
E
— Component Side —
C204
lOOF6E.3V ||
=
LOY
YH
20!
R205
16K
100
Printed circuit board
Part No.
1-539-653-12
— Component
Side —
Cus
Rig?
[] Lio6 |OMH
|
9p
GEE)
aN Oni
L107 VHF_WB
aan.
;
cuz
Cuz
0,002 eo}
Or
LI04 0.002
22K 0
cia
8P |
Cit
Cios 35
Cig 10P
Printed circuit board
Part No.
1-539-517-11
28C633
D201;
181555
D202;
GPR-1
snode
cathode
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