User's Manual

TC-700 Disassembly and Assembly for Repair
26
Power supply is
normal?
VCO
Check
Exchange
Q306
NO
Oscillator CV voltage in
Rx is normal?
Yes
Check if Q305
works well.
NO NO
`
Check if Q304
output normally?
Yes
Exchange
Q305
Check
Q304
NO
Yes
Check if feedback
is normal.
Check
Q301
NO
Check power
supply circuit.
Check CPU data
circuit
Check if 16.8MHz
oscillates?
Yes
Yes
Yes
NO