Contents
Introduction
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Chip Component Information . .
Circuit Board Access, Battery
&
Lamp Replacement
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1-1
2-1
3-1
4-1
Alignment ................... .
Block Diagram
&
Interconnection Diagram
Board Unit (Schematics, Layouts
&
Parts)
MAIN Unit ............................................ 5A-1
LOCAL Unit ........................................... SB-1
DDS-1 Unit ............................................. SC-1
DDS-2 Unit ............................................ SD-1
OSC Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................. 5El
REG Unit ............................................. SF-1
DISPLAYUnit .......................................... SG-1
LPF Unit
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SH-1
PA Unit .............................................. 51-1
VR-A/-B/-C/-D Unit ........................................ SJ-1
SW-A/-B/-C/-D Unit ....................................... SK-1
MIC Unit ............................................. 5L-1
PHONE Unit ........................................... SM-1
Exploded View
&
Miscellaneous Parts
. . . . . . . . . . . . . . . . . . . . 6-1
Accessory
&
Optional Board Units (Schematics, Layouts
&
Parts)
TCX0-4 Master Reference Oscillator (option) ......................... 7 A-1
FM Unit-747 (option) ....................................... 7B-1
YF-112A AM Crystal Filter (option) .............................. 7C-1
YF-112C CW Crystal Filter (option) , ............................. 7D-1
FC-10 Automatic Antenna Tuner (option) ........................... 7E-1
MH-lss Hand-Held Microphone (accessory)
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7F-1
MD-lcs Microphone (option)
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7G-1
YH-77ST Lightweight Headphones (option) .......................... 7H-1
Cut out the label to the right and place it
behind the clear plastic window in the
spine of the manual binder.
r---------------------------
:
FT-840
l
Technical Supplement
I
v
L
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Содержание FT-840
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