Tuner Adjustment - Akai UC-K2 Service Manual

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VI. TUNER ADJUSTMENT
R3f7
AFC P. C BOARD
DISTORTION
T201-o T20f-b
~~~~L
~ ;
I@) @)I
tTP~2l
0
O CENTER~
~
R210
~
S CURVE mTP20f TP203
"'
-
0 ..
LS C56 -
..J
STEREO
SEPARATION
( ~
II.IIJI
~
)
FM HIGH
IF/NJ~
RANGE
!=+======!==~=!-+=+-!
SCALE IND.
css
FM HIGH RANGE SENS
---FRONT END
C60
AM
~ } Tl
~ ~
FRONT ENO R107
RANGE (DISTORTION) O
IF AMP
GAIN
□---{]
D----0
D----0
AM HIGH
l
IF COIL
~
SCALE IND. (SKY)
@
~ = = l = ~ : l = L = 4 ~ = w ~ L 3 (
~ ~
r ✓;J)
AM HIGH ( /""7>, TIO!
~
RANGE SENS.
V
AM IF
0
C54
FM HIGH RANGE SENS
R516
SIGNAL
i;-=--.
LED SENS
0
(AM)
~
0 0
□□,
"----=-"'
R515
SIGNAL
LED SENS
(FM)
FM S. S.G
TERMINATION PAD
=
JC30f
C59 (RED>
Tt02
IBLK)
L2
MIB1\lllffiu
PLL
FREE-RUN
FREQ.
TP301
Leh
~: T ~~f
t
0
: :1
m
TI03
IRED)
~
9
AM LOW RANGE
SCALE IND.
AM IF
Fig. 4 Tuner P.C Board
FREQUENCY
COUNTER
INPUT
AC VOLTMETER
EXT. MOD
INPUT
( ) - t - - t - - 0
300 OHMS OUTPUT
OUTPUT
FM STEREO
GENERATOR
750HMS : 300 OHMS
-6dB
o-+--+-<>ANTENNA
TERMINAL
CENTER
TUNING METER
Reh
OUTPUT
DISTORTION
METER
INPUT
Leh
AC VOL TME TE R
~
Lc:t---J
Fig. 5 Instrument Connections
9