Sony HCD-SHAKE7 - Motherboard Troubleshooting Flowcharts (Continued); Motherboard Diagnosis Flow (Part 2)

HCD-SHAKE7
20
MOTHERBOARD Mount Diagnosis Flow (2/2)
END
Checks OUT Terminal 5V output of REG IC1006 or, Checks GND and OUT Terminal with Tester. Is it shorted out?
Assembles into the unit again then, checks whether there is the audio output from MOTHERBOARD Board.
Checks circumference circuit of REG IC1006. If there are no problems, exchanges IC1006.
Checks circumference circuit of REG IC1007. If there are no problems, exchanges IC1007. Replaces MOTHERBOARD Board Replaces MOTHERBOARD Board
A
B
Yes
Yes Yes
Yes
No No
No
No
Checks OUT Terminal -5V output of REG IC1007 or,
Checks GND and OUT Terminal with Tester. Is it shorted out?
Leave MOTHERBOARD Mount to a state of it only and, checks Power Audio Driver(MOS FET) with Tester.
Is it shorted out? (Refer to Page 21.)