Yaesu FT-890 - Meter Functions Detailed; Reception and Transmission Metering; Top Panel Controls Detailed; CW Keyer & Break-in Operation

Circuit Board Access, Lamp & Battery Replacement
RF Unit ;
| Tuner Control Unit
&
Tuner Main Unit
Tuner Control Unit ;
Tuner Main Unit Local Unit
LPF
Unit
1O00W
PA
Unit
Battery & Pilot Lamp Replacement
© Disconnect all cables and remove the top © Pilot lamp location is indicated below. To
and bottom covers. change the backup cell, use your fingers to
; remove the old cell from its holder (do not
O Remove the 4 screws from both sides of the grab it with metal tweezers or pliers, as that
eee eemorated below. for, pilot could short it out). Replace only with Sony
lamp replacement, the bottom two screws lithium type CR2032 (Yaesu part number
can be just loosened). Q900564), or equivalent.
O Gently pull the front panel away from the
chassis (or just fold it down for pilot lamp
replacement).
2a,
4 remove
® ioosen
2-2 FT-890 Technical Supplement