H Level Presels; E Dc Power Cable Fuse Replacement; Wpa Unit Fuse Replacement - Icom IC-707 Instruction Manual

MAINTENANCE AND ADJUSTMENT 7
W Level presets
Basic beep tone level, basic CW side tone level and 2) Adjust the following points.
CW break-in delay time can be changed.
3) Replace the top and bottom covers.
1) Remove the top and bottom covers.
R336: CW break-in delay
time adjustment
R336 adjusts delay time
according to keying speed or
operator's preference.
Shorter Longer
delay timer \gelay time
R180: Basic beep tone level
anaes output level for
R336
switch operation varies ac-
MAIN unit R
Basic CW
cording to the [AF] control.
2
325: Basic side tone
R180 adjusts basic beep tone O]
[|
level adjustment ut
level
output level.
ide tone output leve
varies according to the [AF]
/ N control. R325 adjusts the basic
Decrease Increase CW side tone output level.
fe)
R180 8 Decrease / OX Increase
R325
E DC power cable fuse replacement
If a fuse in the DC power cable blows, check for the
cause, then replace the blown fuse with a new one.
9 DC power cable fuses: FGB 20 A
If the power does not come ON even after fuse
replacement, the PA unit fuse may have blown.
Refer to the box below for details.
W PA unit fuse replacement
The PA unit fuse protects circuits except for the PA
unit. If the PA unit fuse blows, check for the cause,
remove the top cover and PA unit cover, then re-
place the blown fuse with a new one.
e PA unit fuse: FGB 4 A