Sony STR-DA3000ES Service Manual page 9

DIGITAL BOARD SERVICE POSITION
In checking the digital board, prepare jig (extension cable J-2501-252-A: 1.25 mm Pitch, 35 cores, Length 300 mm).
D-AMP board
(CN1901)
CAUTIONS OF THE ATTACHMENT SCREW BUNDLE OF AUDIO BOARD
audio board
Connect jig (extension cable J-2501-252-A)
to the D-AMP board (CN1901)
and digital board (CN2004).
digital board
Note: Since the ground is concentrating here,
be careful especially in the case of a screw stop,
and tighten a screw firmly.
STR-DA3000ES
9