Sanyo FXR-725GD Servise Manual page 8

GENERATOR
STEP
FREQUENCY
1 Non-Mod.
2 Non-Mod.
3 1000kHz, 999kHz
400Hz
30% MOD
SG att: 20dBµ
4 1000kHz, 999kHz
400Hz
30% MOD
SG att: 30dBµ
SETTING UP TEST MODE AT STEP 4 - SEE PAGE 9
FM RF & IF
ALIGNMENT OF
Set the radio for FM reception. FM signal generator should be coupled with antenna receptacle, through dummy (see Fig.5-2).
FM SG
&
STEREO SG
RADIO DIAL OUTPUT
SETTING INDICATOR
530kHz DC VTVM to test
531kHz point
VT
1710kHz DC VTVM to test
1602kHz point
VT
AC VTVM across
1000kHz speaker(L or R) or 4
999kHz ohms load
Adjust so that the
1000kHz
"ST" mark of LCD
999kHz
Display appears
TEST MODE
SECTION
VTVM
T.P
(See Fig. 1.2)
FM
SET
DUMMY
ANTENNA
Fig. 7
— 6 —
ADJUST-
MENT
—
Check the voltage more than 2.5V.
— Check the voltage less than 7.5V.
L108 Adjust for Maximum Level.
AM IF
L111
AM IFT2
R124 Sensitivity of the seeking fre-
AM SD quency.
DISTORTION METER
AC VOLTMETER
(See Fig. 1.3)
DUMMY
LOAD &
SW BOX
* SG frequency should be as accurate as possible.
REMARKS