Adjustment - Kenwood KRF-V7771D Service Manual

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I T E M
N o .
FM SECTION : Except M type
1 DISCRIMINATOR
DISTORTION
2
(MONO)
DISTORTION
3
(STEREO)
4 TUNING LEVEL
FM SECTION :M type only
TE
L 13942296513
DISTORTION
1
(STEREO)
2 TUNING LEVEL
SYSTEM CONNECTIONS
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.

ADJUSTMENT

I N P U T
S E T T I N G S
SELECTOR : FM
(A)
98.0MHz 1kHz,
±75kHz dev.
70dBf (ANT. input)
(A)
98.0MHz 1kHz,
±75kHz dev. MONO
70dBf (ANT. input)
(C)
98.0MHz 1kHz,
±67.5kHz dev.
Selector : L or R Pilot
: ±7.5kHz dev.
70dBf (ANT. input)
(A)
98.0MHz MONO
1kHz, ±75kHz dev.
15dBf (ANT. input)
SELECTOR : FM
(C)
98.0MHz 1kHz,
±67.5kHz dev.
Selector : L or R,Pilot
: ±7.5kHz dev.
70dBf (ANT. input)
(A)
98.0MHz MONO
1kHz, ±75kHz dev.
15dBf (ANT. input)
SECOND ROOM PRE OUT
R L
AUDIO VIDEO
PRE OUT
R L
VIDEO S VIDEO
MONITOR
SURROUND
OUT
R AUDIO L
SUB
PLAY
CENTER WOOFER VIDEO 4
AM IN
R AUDIO L R
REC
OUT PLAY
VIDEO 3
IN
CD2 /
GND
TAPE 2
MONITOR
-FM 75Ω
PLAY
IN
ANTENNA VIDEO 2
REC
OUT PLAY
IN
MD/
PHONO
TAPE 1
REC
PLAY
OUT
IN
VIDEO 1
L
R
PLAY
CD1
IN
x ao
FM SG AG
y
i
FM SG MPX
Dummy antenna
KRF-V7771D/V8881D/VR-2080/2090
8
OUTPUT RECEIVER
S E T T I N G S S E T T I N G S
*Adjust NO.1 and NO.2 repeat.
Connect a
DC voltmeter MONO
between CN12 1 98.0MHz
and CN12 2 (X11)
MONO
(B)
98.0MHz
AUTO
(B)
98.0MHz
MONO
(B)
98.0MHz
Q Q
3 6 7 1 3
AUTO
(B)
98.0MHz
MONO
(B)
98.0MHz
( SL 16 )( XS 8 )
IR
SL 16 XS 8 RECEIVER
IN
RELAY
CD1 VIDEO 4 VIDEO 3 VIDEO 2
CONTROL
SL 16
OPTICAL SYSTEM
COAXIAL COAXIAL OPTICAL OPTICAL
TEXT
CONTROL
DIGITAL IN DIGITAL OUT
IR REPEATER OUT
FRONT SPEAKERS
(6-16 Ω)
A
L
R R
u163
(A)
AC voltmeter
.
(C)
AG
2 9 9 4 2 8
ALIGNMENT
ALIGN FOR F I G .
P O I N T S
L604
(X11)
L605 Minimum
(X11) distortion
Minimum
IFT(RF
distortion
FRONTEND
(L or R)
: A1)
Adjust VR601
and stop at the
VR601
point where ED1
(X11)
(TUNED) goes
1 5 0 5 8 2 9 9 4
IFT Minimum
(TUNER UNIT distortion
: A601) (L or R)
Adjust VR601
and stop at the
VR601
point where
(TUNER UNIT)
ED1 (TUNED)
goes on.
IR
OUT
LCD
REMOTE
TV
ON/OFF
SENSOR
SWITCHED
SURROUND SPEAKERS CENTER
(6-16 Ω) SPEAKER
B
(6-16 Ω)
L L
R
C
+
-
m
co
Oscilloscope
Distortion meter
(B)
9 9
0V (a)
(a)
(a)
(a)
on.
2 8 9 9
(a)
(a)
17