TC-700P Service Manual
74
Transmitter Circuit
No output power
Power supply
works well?
Check power
supply circuit
Check Q607
Check drive
stage
Check transistor,
offset voltage &
low pass network
Repair the
transmission
network
Check the
matching network
Check VCO
Replace Q404
Replace Q409
Finished
Finished
Finished
Control voltage is
normal?
The current is
normal?
Drive stage is
normal?
The power is
normal?
The power is
normal?
The power is
normal?
NO
Yes
NO
Low
High
Yes
NO
NO
Yes
Yes
Yes
Yes
NO
NO
Summary of Contents for TC-700P
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