Adjustment - Kenwood KRF-V7771D Service Manual

I T E M
N o .
FM SECTION : SELECTOR : FM
1 DISCRIMINATOR
70dBf (ANT. input)
DISTORTION
2
±40kHz dev. MONO
(MONO)
70dBf (ANT. input)
DISTORTION
3
(STEREO) Selector : L or R Pilot
70dBf (ANT. input)
4 TUNING LEVEL
1kHz, ±40kHz dev.
25dBf (ANT. input)
AUDIO SECTION
<1> IDLE CURRENT
SYSTEM CONNECTIONS
PRE OUT
R
FRONT
R
SURROUND
CENTER
AM
WOOFER
REC
OUT
CD2 /
GND
TAPE 2
MONITOR
-
FM 75
PLAY
IN
ANTENNA
REC
OUT
MD/
PHONO
TAPE 1
PLAY
IN
L
R
CD1
R AUDIO
Dummy antenna

ADJUSTMENT

I N P U T OUTPUT
S E T T I N G S S E T T I N G S
*Adjust NO.1 and NO.2 repeat.
(A) Connect a
98.0MHz 1kHz, DC voltmeter
±40kHz dev.
between CN12 1
and CN12 2 (X11)
(A)
98.0MHz 1kHz,
(C)
98.0MHz 1kHz,
±40kHz
dev.
: ±6kHz
dev.
(A)
98.0MHz MONO
SPEAKER : A
Connect a DC
voltmeter across
CN1 (each port)
1, 2 pin : L
—
5, 6 pin : R
3, 4 pin : SL
7, 8 pin : SR
9, 10 pin : C
VIDEO4 6CH. INPUT
L CENTER SUBWOOFER
L
VIDEO S VIDEO VIDEO 2 VIDEO 3 VIDEO 4
COAXIAL COAXIAL OPTICAL
MONITOR
DIGITAL IN
OUT
SURROUND
PLAY
VIDEO 4
SUB IN
FRONT
PLAY
VIDEO 3
IN
PLAY
VIDEO 2
IN
REC
OUT
VIDEO 1
PLAY
IN
L R AUDIO L
FM SG AG (A)
FM SG MPX
KRF-V7771D/V7771DE
RECEIVER
S E T T I N G S
MONO
98.0MHz
MONO
(B)
98.0MHz
AUTO
(B)
98.0MHz
MONO
(B)
98.0MHz
PREOUT : OFF
(FRONT 2ch
MODE)
Volume:0
( SL 16 )( XS 8 )
VIDEO 4
SL 16 XS 8 INPUT
6CH
CD 1
SL 16 SYSTEM
OPTICAL
2CH
TEXT
CONTROL
FRONT SPEAKERS
A (4-16 ) B
R L R L
AC voltmeter
(C)
AG
ALIGNMENT
ALIGN FOR F I G .
P O I N T S
L604
0V
(X11)
L605 Minimum
(X11) distortion
Minimum
IFT(RF
distortion
FRONTEND
(L or R)
: A601)
Adjust VR601
and stop at the
VR601
point where ED1
(X11)
(TUNED) goes
on.
PROLOGIC : ON
VR1(L)
VR2(R)
VR3(SL)
10mV
VR4(SR)
VR5(CENTER)
(X07-)
SWITCHED TOTAL
90W MAX.
SURROUND SPEAKERS CENTER
SPEAKER
(4-16 )
R L
(4-16 )
C
+
-
Oscilloscope
Distortion meter
(B)
(a)
(a)
(a)
(a)
13