Troubleshooting - Sony DSC-D700 Service Manual

4-11. TROUBLESHOOTING

1. When no power is turned on
(No display appears on the LCD panel.)
START
Is there voltage of more
than 5 V at pin 1 of CN551 on
KC-47 board?
YES
Are fuses F551 to
F553 on KC-47 board normal?
YES
Is output voltage of
each system on RM-177
board normal?
YES
Is operation normal
after replacement of
SY-264 board?
YES
. Defective operation of device on
the SY-264 board
→ Replace the SY-264 board.
* The adjustment after board replacement
must be performed.
END
4-22
. Decrease in the supply voltage of battery pack
. Defective connection of connector CN551
NO
. Replace fuses F551 to F553.
(The power system must be confirmed.)
NO
. Defective operation of IC652 on the RM-177 board and
NO Q601 and Q607 on the PS-536 board
→ Replace the RM-177 or PS-536 board.
. Defective operation of IC401 on the FM-63 board
→ Replace the FM-63 board.
NO
* The adjustment after board replacement must be
performed.
DSC-D700 (UC,CE)