Kenwood KRC-778R Service Manual page 7

Set the controls and switches as follows.
BALANCE :center position
FADER :center position
No ITEM INPUT SETTINGS
FM SECTION
98.1MHz
1kHz,±40kHz dev
SEPARATION
1 Pilot:±6.0kHz dev
(NARROW)
Selector:L or R
60dBµ (ANT input)
S METER
98.1MHz 0 dev
2
VOLTAGE
35dBµ (ANT input)
AM SECTION
(1) SD VOLTAGE
35dBµ (ANT input)
CASSETTE DECK SECTION
TCC-153
[1] AZIMUTH
PLAY BACK
[2] TCC-130
LEVEL
TEST MODE : ON While holding the "FM" key and preset "6" key, reset the unit.
(Forced Narrow) Press "SRC" key. Tuner mode ON.
Press preset "6" key. "NEWS" goes OFF.
KRC-778R/RV/RY/RYV,878R,PS978R
ADJUSTMENT
BASS :center position
TREBLE :center position
OUTPUT
SETTINGS
Connect a
AC voltmeter
to SP OUT
–
990 kHz
0% mod –
Connect a
AC voltmeter
10kHz
to SP OUT
Connect a
AC voltmeter
to CN2
X14-618X-XX A/2
X87-301X-XX
LOUD :OFF DOLBY NR :OFF
TUNER
ALIGNMENT
(RECEIVER)
POINTS
SETTINGS
TEST MODE:ON
(Forced Narrow) VR1
(X14-)
FM 98.1MHz
TEST MODE: ON
Preset "1" key,
and
FM
preset "6" key
98.1MHz
TEST MODE: ON
Preset "1" key,
and
AM
preset "6" key
990 kHz
Head Azimuth
TAPE PLAY
Screw
VR1 (L)
TAPE PLAY VR2 (R)
(X87)
VR1 (sep.)
F/E
VR2
(R ch)
VR1
(L ch)
L
CN2
G
(a) 387.5mV
R
AC voltmeter
ALIGN FOR
Adjust it so that the
crosstalk from L to R and
R to L become minimum.
While holding preset "1"
key, press and hold preset
"6" key for a few seconds.
"ADJ OK" is displayed if
the adjustment is OK and
"ADJ NG" is displayed if it
is not good.
While holding preset "1"
key, press and hold preset
"6" key for a few seconds.
"ADJ OK" is displayed if
the adjustment is OK and
"ADJ NG" is displayed if it
is not good.
Adjust the azimuth for
each Lch/Rch or
FWD/RVS becomes
maximum
387.5mV (-6dBm)
FIG.
(a)
7