Hytera MD78X Service Manual

Troubleshooting Flow Chart
UHF1 (400
–
470 MHz)
36
[3] The emitter voltage of Q106, Q110, Q100 and Q103 is about 1.8 V.
[4] The CV of TP124 ranges from 0.5 V to 4.5 V.
[5] PLL U100 is supplied by 5 V and 3.3 V normally.
[6] The power of the signal from TP109 to PLL is about -15 dBm.
[7] TP110 outputs 19.2 MHz signal.

Hytera MD78X Specifications

General

Brand	Hytera
Model	MD78X
Category	Radio
Language	English