WM-FX373/FX375
– 15 –
– 16 –
– 17 –
– 18 –
5-3.
SCHEMATIC DIAGRAM
•
See page 19 for IC Block Diagrams.
Note on Schematic Diagram:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 3 V and fed with regulated dc power
supply from external power voltage jack.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : PB (TAPE)
(
) : FM
〈〈
〉〉
: AM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
: FM
f
: AM
E
: PB (TAPE)
• Abbreviation
CND
: Canadian model.
EA
: Saudi Arabia model.
EE
: East European model.
IT
: Italian model.
E
: Radio Section (ST/MONO)
5E, 6E : Radio Section (DX/LOCAL)
Ver 1.2
