Motorola GM340 Informasi Layanan - Halaman 27
Jelajahi secara online atau unduh pdf Informasi Layanan untuk Radio Motorola GM340. Motorola GM340 34 halaman. Gm series professional radio uhf (403-470mhz)
Juga untuk Motorola GM340: Panduan Pengguna (32 halaman), Informasi Layanan (32 halaman), Informasi Layanan (32 halaman)
Halaman Cetak
Troubleshooting Flow Chart for 25W Transmitter (Sheet 1 of 3)
Troubleshooting Flow Chart for 25W Transmitter (Sheet 3 of 3
2.2
Check Components
between ASFIC and
Q3441 before repla-
cing Q3441
ASFIC
YES
U0221 Pin 6
1-4V DC?
NO
Check Bias Tuning
before replacing ASFIC
U0221
Check Final PA Stage
Supply
Voltage
Bias 2 DC
0V
Voltage at
TP3406?
1-4V
NO
RF Voltage
at TP3401
>100mV?
YES
NO
RF Voltage
U3401 Pin 6
>3V?
YES
NO
RF Voltage
Q3421 Gate
>1V?
YES
RF Voltage
NO
Q3441 Gate
>4V?
YES
Check Components
between Q3441 &
Antenna Connector
)
Replace Q3441
Check FGU (U3301)
Check Components
between TP3401 &
C3417
Check Components
between C3417 &
Q3421
Check Components
between Q3421 &
Q3441
3-5