Check Points In Case Of Error - Sony SX-M700 Service Manual

4-2-3. Check Points in Case of Error

(Assuming That the Input and Output
Stages are Normal)
1. Error-1
. Signal path from the input stage to IC504
. IC504
. Signal path from IC504 to IC505
2. Error-3
. Signal path from IC504 to IC505
. IC505
3. Error-4
Error-4 may be caused by a software problem. If Error-4
occurs frequently, there may be a hardware problem such
as:
. Signal path from IC505 to IC504
. IC505
SX-M700 4-3(E)