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Note:
pall
All capacitors are in uF unless otherwise noted. pF: uur
50WV
or less are not indicated except for electrolytics
and tantalums.
Alt resistors are in Q and 1/,W or less unless otherwise
specified.
A
: internal component.
*A-B: See page 3 "Note on ceramic
filter replacement and
diode connection".
Voltages are dc with respect to ground unless otherwise noted.
Readings
are
taken
under
detuned
conditions
with
a VOM
(50kQ/V).
No Mark: FM Mode
Voltage variations
may
be noted
due
to normal
production
tolerances.
Waveforms are taken to ground in no-signal mode by using
oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
> B+ bus,
: B— bus.
: adjustment for repair.
+ FM signal path.
>» MW
signal path.
: LW.
signal path.
C101
=LA1265
LI
FM IF AMP
@
1C201
LA3401
3)
(6)
@)
@)
@
(0)
LED
POST
QUADRATURE
DET
[eases 7} —f}—
a
fe
Pie |
:
a ee |
e@
Switches:
ST-7O07RM
Position
n Ww = nN
ODNANBWN
=!
MEMORY
0)
ENTER
MEMORY
SCAN
TUNING
+
TUNING
-
BAND
STEREO
MUTING
43
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
TC9172P
N2 COUNTER
(4BiT)
FLIP — FLOP
|
iF COUNTER
CONTROL
PORT
10401
HYSTERESI:
COMPRRAT
CX20106A
INTEGRATOR,
®
Semiconductor Lead Layouts
US1060M
HZS6C3L
'
|-" cathooe
s
anode
b
KV1310
\
| anode 2
'ethode
3
i
PH302C
—
——\
cathode
2S8C2724-C
2$C2724-D
28C3391
2SC634SP
M50760-421P
20 18
16
14 12
19.17
15
13011
12345678910
{Top view)
BA1A4M
BA1F4Z
BN1A4M
BN1F4Z
AA =
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