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Adjustment - Kenwood KRF-X7775D Service Manual

Audio video surround receiver
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KRF-X7775D/X7775D-S/VR-5080/5090
ITEM
No.
FM SECTION :
1
DISCRIMINATOR
DISTORTION
2
(MONO)
DISTORTION
3
(STEREO)
4
TUNING LEVEL
AUDIO SECTION
<1>
IDLE CURRENT
SYSTEM CONNECTIONS
VIDEO
DIGITAL OUT
DVD
CD1
MD/
TAPE1
CD-R
VIDEO
2
VIDEO
3
EXT.CONTROL
RS-232C
VIDEO
4
OPTICAL
DIGITAL IN
AC voltmeter
How to initialize
Insert the power cord to AC wall outlet
by pressing the "ON/STANDBY" key.
14

ADJUSTMENT

INPUT
SETTINGS
SELECTOR : FM
(A)
98.0MHz 1kHz,
±40kHz dev.
between CN2 1
and CN2 2 (X05)
70dBf (ANT. input)
(A)
98.0MHz 1kHz,
±40kHz dev. MONO
70dBf (ANT. input)
(C)
98.0MHz 1kHz,
±40kHz
dev.
Selector : L or R Pilot
: ±6kHz
dev.
70dBf (ANT. input)
(A)
98.0MHz MONO
1kHz, ± 40kHz dev.
30dBf (ANT. input)
SPEAKER : A
voltmeter across
each T.P.
CN1(9, 0) FLch
CN1(5, 6) Cch
CN1(7, 8) FRch
CN1(1, 2) SRch
CN1(3, 4) SRch
X07(A/5)
IR RECEIVER
IN
DC12V
R
L
R
L
R
L
R
L
SUB WOOFER CENTER
SURROUND BACK
SURROUND
FRONT
20mA
ZONE B PRE OUT
PRE OUT
COMPONENT VIDEO
S VIDEO
VIDEO
R
AUDIO
L
R
AUDIO
Y
REC
VIDEO1
OUT
P
/C
B
B
PLAY
IN
P
/C
R
R
REC
VIDEO
OUT
3 IN
VIDEO2
DVD
Y
IN
PLAY
IN
P
/C
B
B
PLAY
VIDEO3
IN
P
R
/C
R
PLAY
VIDEO4
IN
MONITOR
Y
DVD FRONT
OUT
PLAY
IN
DVD/
6CH.
P
/C
B
B
INPUT
MONITOR
SURROUND
OUT
P
/C
COAXIAL
R
R
CENTER
SUBWOOFER
Oscilloscope
Distortion meter
(B)
OUTPUT
RECEIVER
SETTINGS
SETTINGS
*Adjust NO.1 and NO.2 repeatedly.
Connect a
DC voltmeter
MONO
98.0MHz
MONO
(B)
98.0MHz
AUTO
(B)
98.0MHz
MONO
98.0MHz
PREOUT : OFF
Connect a DC
(FRONT 2ch
MODE)
Volume:
Minimum
IR REPEATER OUT/
IR RECEIVER
IR OUT
SL16 TEXT
SYSTEM
DVD CONTROL
IN
LCD
CONTROL
RF REMOTE
ANTENNA
IR OUT LCD
DC12V 20mA
REMOTE
REMOTE
A
B
L
PHONO
FM 75Ω
AM
GND
CD1
ANTENNA
REC
OUT
MD/
SURROUND
TAPE1
SPEAKERS
PLAY
IN
REC
OUT
CD2/
TAPE2
A
FRONT SPEAKERS
MONITOR
(6–16Ω)
PLAY
IN
REC
OUT
CD-R
PLAY
IN
Dummy antenna
X07 (A/5)
SR SL C FR FL
FRONT SIDE
ALIGNMENT
ALIGN FOR
POINTS
L4
(X05-)
L5
Minimum
(X05-)
distortion
IFT(RF
Minimum
FRONT END
distortion
: A1)
(L or R)
(X05-)
Adjust VR1
and stop at the
VR1
point where ED1
(X05-)
(TUNED) goes on.
PROLOGIC : ON
VR1(FL)
Adjust every
VR2(FR)
potentiometer
VR3(SL)
10 minutes later
VR4(SR)
after turned
VR5(CENTER)
the power on.
X07(A/5)
CENTER
SPEAKER
(6–16Ω)
C
AC 120V 60Hz
SWITCHED TOTAL
90W 0.75A MAX.
R
(6–16Ω)
L
B
R
L
(A)
FM SG
AG
FM SG
MPX
AG
10
FL
+
FR
+
C
+
SL
+
SR
+
1
CN1
FIG.
0V
(C)

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