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Sanyo FXD-770GD Service Manual page 7

Full panel detachable high power fm/am stereo receiver compact disc player
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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 7
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
ELECTRICAL ADJUSTMENTS
RADIO DIAL
OUTPUT
SETTING
INDICATOR
530kHz
DC VTVM to test
531kHz
point
VT
1710kHz
DC VTVM to test
1602kHz
point
VT
1000kHz
AC VTVM across
999kHz
speaker(L or R) or 4
ohms load
1000kHz
Adjust so that the
999kHz
"ST" mark of LCD
TEST MODE
Display appears
SECTION
VTVM
T.P
(See Fig. 1.2)
FM
DUMMY
ANTENNA
Fig. 3
ADJUST-
MENT
L108
AM IFT1
L111
AM IFT2
R124
AM SD
(See Fig. 1.3)
DUMMY
SET
LOAD &
SW BOX
* SG frequency should be as accurate as possible.
— 5 —
REMARKS
Check the voltage more than
2.5V
Check the voltage less than 7.5V.
Adjust for Maximum Level.
Sensitivity of the seeking
frequency.
DISTORTION METER
AC VOLTMETER

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