72
FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91
FM ADJUSTMENT
Modulation
M:MONO MOD., 400Hz 30%(22.5kHz Dev.)
S1:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.)
S2:STEREO MOD., 1kHz, L or R=60%(40.5kHz+7.5kHz Dev.)
NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow
the circuits to stabilize.
FM SSG
Displayed
Adjustment
Adjustment Method
No.
Frequency(MHz)
Level(dBf)
Frequency(MHz)
Point
(Switch Position)
TUN Volt
1
•••••
•••••
108.0
L5
DC V Meter(1) : 6.0V
Center 1
98.1 M
65-85
98.1
L52
Center Meter : 0
Meter
IFT
1
98.1 M
5-15
98.1
T31
mV Meter(1) : Maximum
ANT
1
89.9 M
5-15
89.9
L2
mV Meter(1) : Maximum
Coil
RF Coil
1
89.9 M
5-15
89.9
L4
mV Meter(1) : Maximum
RF Trimmer
1
129.3 M
60-80
107.9
TC1
mV Meter(1) : Minimum
Separation
1
98.1 S
65
98.1
VR101
mV Meter(1) : Maximum
ARC
1
98.1 S
40
98.1
VR154
mV Meter(1) : Separation 5dB
Separation
Interstation
1
98.1 M
65
98.1
•••••
mV Meter(1) : AdB
Noise
2
98.1 M
-
∞
98.1
VR151
mV Meter(1) : A-20dB
Search
1
98.1 M
27
98.1
VR156
DC V Meter(2) : more than 3.5V
Sensitivity
2
98.1 M
26
98.1
VR156
DC V Meter(2) : 0V
3
Repeat steps 1 and 2 until the adjustment standards are satisfied.
RDS SL ADJUSTMENT
FM SSG
Displayed
Adjustment
Adjustment Method
No.
Frequency(MHz)
Level(dBf)
Frequency(MHz)
Point
(Switch Position)
TUN Volt
1
104.1 S2
35
104.1
VR251
DC V Meter(3) : 1.75V+0.05V
-0.35V
DOLBY NR ADJUSTMENT
No.
Test Tape
Adjustment Point
Adjustment Method
(Switch Position)
1
NCT-150
VR301(Lch),VR302(Rch)
mV Meter(2) : –8.24dBm(300mV)±1dB
(400Hz,200nwb/m)
(DOLBY NR Switch : OFF)
Содержание SC430
Страница 4: ...4 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 2 EXPLODED VIEWS AND PARTS LIST 2 1 EXTERIOR A B C Q ...
Страница 7: ...7 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 2 2 CD MECHANISM D E F G H I J K L M ...
Страница 10: ...10 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 2 3 CASSETTE MECHANISM MODULE O P N ...
Страница 21: ...21 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 5 6 7 8 A B C D 5 6 7 8 IC2 PA4024A B ...
Страница 35: ...35 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 5 6 7 8 A B C D 5 6 7 8 Q A MAIN UNIT ...
Страница 38: ...38 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 A 1 2 3 4 B C D 1 2 3 4 A A MAIN UNIT ...
Страница 39: ...39 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...
Страница 41: ...41 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 1 2 3 4 A B C D 1 2 3 4 B B FM AM TUNER UNIT SIDE B ...
Страница 43: ...43 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 1 2 3 4 A B C D 1 2 3 4 C SIDE B C KEYBOARD UNIT A CN804 ...
Страница 45: ...45 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 1 2 3 4 A B C D 1 2 3 4 CD CORE UNIT SERVO UNIT E SIDE B E ...
Страница 47: ...47 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 1 2 3 4 A B C D 1 2 3 4 CD CORE UNIT STS UNIT G SIDE B G ...
Страница 49: ...49 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 1 2 3 4 A B C D 1 2 3 4 1 41 G CN801 G MOTOR PCB A F F SIDE B ...
Страница 51: ...51 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 5 6 7 8 A B C D 5 6 7 8 M M4 CARRIAGE 1 12 E CN301 D ...
Страница 59: ...59 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 1 2 3 4 A B C D 1 2 3 4 CONTROL UNIT Q SIDE B Q ...
Страница 94: ...94 FX MG8156ZT MG8156ZT 91 MG8317ZT MG8317ZT 91 7 2 2 DISPLAY CAW1691 COMMON SEGMENT ...