TC-700P Service Manual
75
Receiver Circuit
No receive
Baseband
IC outputs
normally?
Baseband IC
inputs normally?
Replace
AK2346
U403 outputs
normally?
The second
local oscillator is
normal?
Z402 voltage
is normal?
Check IF
input and PIN16
output
Check
output of Q415
Replace Z402
Replace X401
Check U201
Replace U609
Replace Q615
Check U403
Check VCO
Check volume
switch and AF
MUTE
Yes
NO
NO
Yes
NO
NO
NO
NO
NO
NO
Yes
Yes
Yes
NO
Yes
Yes
Yes
Check Q410 path
Yes
Power
Supply of audio IC
is normal?
Control
voltage PA_MUTE
is normal?
Summary of Contents for TC-700P
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