47
Step
Subject
Signal
generator
setting
Set
frequency
setting
Equipment
connection
Adjustment
point
Adjust for
1
Tunning
voltage
87.5kHz
87.5kHz
DC voltmeter
87.5 MHz : 1.35 ~ 1.65V
108.0 MHz : 6.5V ~ 8.5V
2
FM DET.0V
and
Distortion
Adj
98.1kHz
98.1kHz
FD1 , FD2
R17
Minimize 0V and distortion
3
STEREO
Separetion
98.1kHz
98.1kHz
AC voltmeter
oscilloscope
DC voltmeter
tape monitor
L/R
AC voltmeter
oscilloscope
DC voltmeter
tape monitor
L/R
AC voltmeter
oscilloscope
tape monitor
L/R
MIX coil CO4
SVR02
Minimize STEREO distortion
and Maximize separatio
Separation L to R
Separation R to L
4
Seek
stop level
98.1kHz
98.1kHz
108kHz
108kHz
SVR 01
Scan stop point to 22dBu
2-4. FM Alignment
Output of signal generator should not be greater than necessary to obtain an optimum output reading.
Signal generator modulation .................. MAIN : 53.5%, PILOT : 10% (K,N)
MAIN : 90%, PILOT : 10% (U)
Signal frequency .......................................... 1kHz / Deviation : 40kHz (K,N)
1kHz / Deviation : 75kHz (U)
Modulation frequency .................................. 90.1MHz, 98.1MHz, 106.1MHz
Switch ........................................................... press the BAND Button to FM
Содержание SR7200
Страница 5: ...3 4 2 WIRING DIAGRAM SR7200 PS7200 only SR7200 PS7200 only SR5200 SR6200 SR7200 only ...
Страница 6: ...3 BLOCK DIAGRAM 5 6 SR7200 only SR7200 only SR7200 only SR7200 only SR7200 only ...
Страница 7: ...7 8 4 SCHEMATIC DIAGRAM 7020 06075 000 3 ...
Страница 8: ...9 10 7020 06140 000 1 ...
Страница 9: ...11 12 POWER SW with TACT SW 7020 06076 000 3 7020 06076 004 0 7020 06076 003 0 7020 06076 002 0 ...
Страница 11: ...15 16 7020 06076 001 1 ...
Страница 12: ...17 18 7020 06079 000 2 ...
Страница 13: ...7020 06009 000 1 7020 06106 001 0 7020 06088 000 1 19 20 ...
Страница 14: ...21 22 7020 06078 001 2 7020 06078 001 2 ...
Страница 15: ...23 24 To repair the Tuner circuit board replace the whole Tuner B D Assy Refer to the Parts list ...
Страница 22: ...34 SPEAKER A SPEAKER B PS7200 SR7200 ONLY Q901 IC898 COMPONENT VIDEO PS7200 SR7200 ONLY IC899 ...
Страница 24: ...36 Q806M IC805M IC806M Q821 Q871 Q822 Q873M Q870 Q805M Q851M VIDEO ...
Страница 25: ...37 TUNER K U ONLY To repair the Tuner circuit board replace the whole Tuner B D Assy Refer to the Parts list ...