Sanyo FXR-725GD Servise Manual page 5

FM RF & IF
ALIGNMENT OF
Set the radio for FM reception. FM signal generator should be coupled with antenna receptacle, through dummy (see Fig.1-2).
FM SG
&
STEREO SG
For RADIO DIAL SETTING in the table below, settings marked
the (50 kHz step) mode.
In steps 1 to7, no mark frequency means that is common for both (200 kHz step) and (50 kHz step) mode.
GENERATOR
STEP
FREQUENCY
1 Non-Mod.
2 Non-Mod.
3 98.1MHz, 97.1MHz
1kHz, 75kHz dev.
SG att:66dB (1mV)
4 98.1MHz, 97.1MHz
1kHz, 22.5kHz dev.
SG att:Less than 8dB
5 88.5 MHz
SG att: 8~12dB
87.5 MHz
97.1 MHz,
6 98.1MHz, 107.1MHz
88.5 MHz
SG att: 11dB
SECTION
VTVM
(See Fig. 1.2)
FM
DUMMY
ANTENNA
RADIO DIAL
SETTING INDICATOR
87.5MHz DC VTVM to test
point
87.5MHz DC VTVM to test
point
AC VTVM across
98.1MHz
speaker or 4 ohms
97.1MHz
load
AC VTVM across
98.1MHz
speaker or 4 ohms
97.1MHz
load
88.5 MHz AC VTVM across
87.5 MHz speaker or 4 ohms
97.1MHz load
11dB
98.1 MHz AC VTVM across
107.1 MHz speaker or 4 ohms
88.5MHz load
T.P
(See Fig. 1.3)
DUMMY
SET
LOAD &
SW BOX
Fig. 3 * SG frequency should be as accurate as possible.
are for the (200 kHz step) mode and those marked
OUTPUT ADJUST-
MENT
L105
FM OSC
VT
(L105)
VT
L151
FM DET
L104
FM IFT
L101
FM ANT
L103
FM RF
L101
FM ANT
L103
FM RF
— 3 —
DISTORTION METER
AC VOLTMETER
REMARKS
Adjust for 7.3V.
Check the voltage more than 1.1V.
Adjust for Minimum Distortion.
Adjust for Maximum Level.
Adjust for Maximum Level.
(Adjust for Minimum Distortion.)
Check for SPEC.
are for