Panasonic RX-F20L - Audio Adjustment; Alignment Points

RX-F20L C40)
m@ SEPARATION ALIGNMENT
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MECHANISM
PARTS
LOCATION
| wr FM SIGNAL | EQUIPMENT | | |
GENERATOR CONNECTION Nes er aes eo pRibIE '
ITEM | SOURCE ELECTRONIC ADJUSTMENT SPECIFICATION REMARKS
CONNECTION !} COUNTER
| _ Sassi ¢ sith ee ee eee eee (Vere eee pale paar 8 M10 Te
Adjust
VR1,
for
19kHz
M9
Specification
than sp ec aaa ye ge VRI 19kHz (a0 1kHA readitig on pees
plot signal. (Mo ) vi electronics counter. | << oe Se ae a =
a RA aN aR al en aes Pressure of pressure roller | 360 + 60gr
m
AUDIO
ADJUSTMENT
|
Se
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ae
WERORENE i ee SEMENT IT =~ Takeup tension 50 + 15gr
MEA
U
ENT
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mip
ats
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.
|
nes
Sentero
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er
ai
pass
gt
a
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|
ITEM INPUT POINT SPECIFICATION POINT REMARKS +
Pca
Re
eae
CA
(Sct
ieee
ey
soaese
on
hae.
elec
TS
=
meee
Tension
of
detect
plece
|
65+
10gr
REMARKS
Azimuth
GEE
~20dB)
|
2
SP
Maximum
output.
Azimuth
screw.
|
Playback
mode.
Tape
aa
.
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=
a)
aes
=
,
=
Gara
Ue
meena
Pte
het
tece
neers
Saas
Aone
Sha
ae
eee
as
Be
spe
uctuation
+3%
Bias W..(+) Record mode
oscillation — ee oe 7040.5 KHz L301 Beat proof switch — |
Frequency. a Tape Selector ~ Metal _
. iw Lon (+) Meial...950+ i00nA Record mode
Joumen up Bias current Use metai tape |W ich (—) Node COwA | vRt05 Beat proof switch > |
: we Be) De Marrs Tape selector > Metal
LW Ren (=) | 4702 00yA | : maint
for maximum |
. Adjust L4 by
coil bobbin
errite core.
foc maximum @ ALIGNMENT POINTS FM ANT MWANT MW ANT LW ANT
-
steps
(2)
QOMHz
550kHz
|5OOkHz
I45kHz
wy
:
7 a a i
for
maximum
7
CO
“Adjust LS by a || T
aeriti cores: FM ANT LW ANT SW ANT MW OSC
Fosrassimun® 1 BIAS FM ist 1O6MHz 285kHz 5.9MHz 550kHz
| CURRENT 0. 7MHz
steps (4) VRIO5
for maximum @
ee ee eer
for maximum
steps (6) BIAS OSC
7
L301
(eXereZe)
EEE
REMARKS V_.. 101 WwW 10270
Lw OSC Mw OSC /Sw ANT 10.7MHz
285kHz ISOOkHz / I8MHz
for maximum
ide.
0 fig. 13.) [Fig. 12]
for maximum
ide.
0 fig. 14.)
for maximum
just for maxi-
im output. r
peat steps . .
yeas
[Fig.
13]
[Fig.
14]
[Fig. 15]