Kenwood KR-4070 Service Manual page 20

KR-4070
20
ADJUSTMENT
NOTE:
* RF-SG is set to the lowest response possible on os-
cilloscope.
TEST | __sTESTEQUIPMENTS
ALIGN
ieee ae SETTING
95 MHz
1 kHz (Mod)
75 kHz (Dev)
Qanc®
95 MHz
1 kHz (Mod)
75 kHz (Dev)
95 MHz
Oar
1 kHz (Mod)
75 kHz (Dev)-
95 MHz
0 (Dev)
60 dB (Input)
95 MHz
1,000 kHz
400 Hz, 30% (Mod)
100 dB
600 kHz
400 Hz. 30% (Mod)
100 dB
ee eee
a a
ae SECTION
*Refer to page 19.
1,400 kHz
400 Hz. 30% (Mod)
VOLUME
is Its min.
RECEIVER
SETTING
: 95 MHz
—ditto— 1 kHz (Mod) = diie= ~ditto— Confirm output voltage
OUTPUT ditto 75 kHz (Dev) ditto ditto SMOG CAN
60 dB (input)
90 MHz
1 kHz (Mod) 90 MHz
Lg2. Tg1, 2
75 kHz (Dev) ,
TRACKING —ditto— Et Maxirnum
106 MHz defection
106 MHz
95 MHz
1 kHz (Mod) SSVM. scope and M
SEPARATION 68.25 kHz (Dev) —ditto—
distortion meter VRg2 im aim crosstalk
L or R (Select) to REC jack (L) (Maxirnum separation)
60 dB (Imput)
95 MHz
1 kHz (Mod) SSVM. scope and
DISTORTION 68.25 kHz (Dev) — ditto — distortion meter Tg3 Minmum
L (Select) to REC jack (L) distyrtion
60 dB (Input)
1,000 kHz
600 kHz
1,400 kHz
* Repeat TRACKING adjustment several times and con
firm the reception of broadcasting.
* Test point is shown in the schematic diagram.
OUTPUT
INDICATOR
ADJUSTMENT
POINTS
Maximum
deflection
SSVM and scope
to REC jack Tg3
Make the pointer posi-
tion in the center of the
meter
Maximum deflection
and minimum
distortion
SSVM. scope and
distortion meter
to REC jack (L)
CTgi ~ 3
Counter indicates
RG! 76tHz
Freq. counter via
20~ 30 dB amp
or SSVM to TP1(D
SSVM and scope
to REC jack
Maxm um deflection
(L)
Tg6
Bar antenna
~— dito —
CTg4. 5
Mette iradicates
56v @
— ditto —
DC volt meter or
BIAS current meter
(B31-0125-05)