
MX-GA77
1-20
FM THD Adjustment
Output
Output
28 dB(
2dB)
60 dB
Minumum Distortion (0.4% below)
(Fig.2)
SSG FREQ.
Adjustment
point
(FM DET)
98 MHz
FM DETECTOR COIL
FM Search Level Adjustment
Adjust SVR1 (Fig.3)
Fig.3 FM Auto Search Level Adjustment
*Adjust FM S.S.G level to 28dB
Fig.2 IF CENTER and THD Adjustment
SSG FREQ.
Adjustment
point
(SVR1)
98 MHz
BEACON
SENSITIVITY
SEMI-VR(10K
)
FM S.S.G
GND
28 dB
FM S.S.G
Output
GND
Speaker
Terminal
FM
Antenna
Terminal
Distortion Meter
Input
SET
Input
output
Oscilloscope
FM IN
FM Antenna
SET
20 k
OUTPUT
AM SSG
450KHZ
INPUT
AM ANT
IN
Speaker Terminal
60cm
AM IF
VTVM
Oscilloscope
AM(MW) I.F Adjustment
Maximum output (Fig.4)
SSG FREQ.
Frequency
Adjustment
point
450 kHz
522 kHz
AM IF
Fig.4 AM I.F Adjustment
OUTPUT
Содержание MX-GA77
Страница 25: ...1 25 MX GA77 Troubleshooting 1 Amplifier Power malfunction No output ...
Страница 26: ...MX GA77 1 26 2 Tuner malfunction FM AM 3 Tape ...
Страница 27: ...1 27 MX GA77 4 CD ...
Страница 28: ...MX GA77 1 28 5 CD MP3 parts ...
Страница 43: ...1 43 MX GA77 M E M O ...
Страница 50: ...MX GA77 2 4 A B C D 1 2 3 4 5 To CW101 Sheet 1 5 MX GA77 fornt FL display System control section UCW03 UCW05 ...
Страница 51: ...2 5 MA GA77 E F G SHEET 2 5 To CW105 Sheet 4 5 UCW04 UCW02 ...
Страница 52: ...MX GA77 2 6 A B C D 1 2 3 4 5 Amp section To CW106 Sheet 1 5 To CW105 Sheet 1 5 MX GA77 JUS amp ...
Страница 54: ...MX GA77 2 8 A B C D 1 2 3 4 5 CD section To Switc To CW2 Sensor board ...
Страница 55: ...2 9 MA GA77 E F G SHEET 4 5 CD signal To CW104 SHEET 1 5 To UCW04 SHEET 2 5 To CW3 Switch board ...
Страница 56: ...MX GA77 2 10 A B C D 1 2 3 4 5 Tuner section To CW103 SHEET 1 5 ...
Страница 57: ...2 11 MA GA77 E F G FM TUNER signal AM signal SHEET 5 5 ...
Страница 58: ...MX GA77 2 12 A B C D 1 2 3 4 5 Main board M Printed circuit boards ...
Страница 59: ...2 13 MA GA77 E F G Main board ...
Страница 60: ...MX GA77 2 14 A B C D 1 2 3 4 5 CD switch boa Front board Front board ...
Страница 61: ...2 15 MA GA77 E F G h board oard ...
Страница 62: ...MX GA77 2 16 A B C D 1 2 3 4 5 Amp board ...
Страница 63: ...2 17 MA GA77 E F G ...
Страница 64: ...MX GA77 2 18 A B C D 1 2 3 4 5 CD servo board ...
Страница 65: ...2 19 MA GA77 E F G Fuse board Trans board Power supply board ...
Страница 87: ...MX GA77 3 21 M E M O ...