Fisher RS-913 - LA3401 IC Block Diagram

IC BLOCK DIAGRAM (Continued)
LA3401 BLOCK DIAGRAM
¥ec vCO STOP MUTE Y¥ec GNO
20 19) V9) Ne
ai} — Lf i
ot ee OETECTOR
FF : FF a FF
19KH2Z290°T $19KHzZ0"
DRIVER
=
7
MUTING
CONTROL
|
ob
DECODER
a
FM
AM
CHANGE
DOVER
FM AM CHANGE es ol
2 | 3 | g 5 | 6 | 7 |
AM INPUT FM INPUT L OUTPUT R OUTPUT
FM AM MUT ING
CHANGE OVER OUTPUT
LA1266
BLOCK
DIAGRAM
LA6458SS
BLOCK
DIAGRAM
Tg
to
ym
Oo
3
— tq
cr a] (3
NARROW SIGNAL LED
e3 e4 +9 be
Ve A-IN Y- B-IN Ve
A QUT A+IN B+IN B OUT
LA6458DS BLOCK DIAGRAM
VEE Vin be Vint- Vout 1
tg
4)