Installation Of Accessories - Trio TS-530SP Instruction Manual

5.2 INSTALLATION OF ACCESSORIES
r REMOVING THE CABINET (See Fis. 5-11
Figure 5-1 illustrates cabinet removal. Remove the eight
top-cover and eight bottom-cover screws and lift away the
oanels.
NOTE:
This product uses metric hardware.
C A U T I O N :
The speaker lead is attached to the chassis, so be careful
when removing the top-cover.
The lead can be unplugged, if necessary.
Fig.5-1 Removing the Case
r OPTIONAL FILTER INSTALLATION
1. Using a number 2 Phillips screwdriver, remove the
topcover (eight screws). Unplug the speaker and set
the cover aside.
2. Remove the bottom cover (eight screws)
3. Remove the six screws holding the
lF
X 4 8 - 1 3 1 0 4 0 a n d s w i n g t h e p r i n t e d - c i r c u i t
over.
4. Using a 45-W (or less) soldering pencil, clear the six
holes for the filter, if they are filled with solder.
5. YK-88S, C or CN there is no polarity to the filter. In-
stall the filter into its position on the lF unit. Solder
the two mounting tabs and the four input and output
pins to the circuit boards. Solder sparingly, and heat
the connections only long enough to insure a good
solder joint.
Don't overheat the filter or circuit board.
6. Carefully inspect your soldering. Be certain that all
pins are actually soldered, and that you have not sol-
dered across any spots on the board or between any
of the pins on the filter. Clip the pins flush to the
board.
7. Replace the lF unit. Make certain no wires will be
pinched underneath the board. Replace the six
screws.
8. More the A and B connectors as illustrated, following
T a b l e 5 - 1 .
9. Reinstall the bottom cover. Reconnect the speaker
lead, and reinstall the top-cover.
1O. Apply power and verify your work. Filter installation is
now complete.
YK-llc
YK -ltct{
unrt
boad
Fffil,*,,*
O When two
CW filters, YK-88C and
YK-88CN are used, mount the YK-88C in
the SSB NARROW FILTER position and
the YK-88CN in the CW FILTER oosi-
t i o n .
Jumper connectors A and B (as shown)
according to the optional filters used.
Fig. 5-2
Filter installation
Table 5-1
Optional Filter Selection
In transmission, the SSB (WIDE) filter is used regardless
of MODE or NAR-WIDE switch positions.
r VFO-23O, VFO-24O CONNECTION (Fis.5-3)
Connect the VFO-230 or VFO-24O as shown.
Optional
Filter
YK-88XX
Jumper
connector
S S B
CW
NAR SW NAR SW
B
O F F O N OFF
O N
Without
filter
optional
CW
ssB
2.4kHz 2.4k{z
S N SSN SSB 2.4kHz 1 . 8 k H z 2.4 kt-l'z 1 . 8 k H z
c
CW
S S B
2.4 k{z
2.4kHz 5OO Hz
C N
CW
ssB
2.4kHz 2.4kHz 27O Hz
S N + C
CW
SSB 2.4kHz 1 . 8 k H z 2.4 kHz
5OO Hz
CW
SSN 2.4 kHz 1 . 8 k H z 1 . 8 k H z
5OO Hz
S N + C N
CW
SSB 2.4kHz
'1
.8 kHz 2.4kHz 27O Hz
CW
SSN 2.4kHz 1 . 8 k H z 1 . 8 k H z 27O Hz
C + C N
CW
SSN 2.4 kHz 5OO Hz
5OO Hz
27O Hz
* denotes no reception.
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F i g . 5 - 3 V F O C O N N E C T I O N
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