68
SC-57
1
2
3
4
A
B
C
D
E
F
1
2
3
4
(5) Connect the two pair board to board
extension jig cables. (GGD1762)
(DIGITAL MAIN CN1503 <-> AUDIO CN3901)
(DIGITAL MAIN CN1502 <-> AUDIO CN2861)
(6) Connect the two pair board to board
extension jig cables. (GGD1763)
(DAC HIGH CN2103 <-> AUDIO CN2502)
(DAC HIGH CN2104 <-> AUDIO CN3001)
(7) Connect the two pair board to board
extension jig cables. (GGD1682)
(DAC HIGH CN2102 <-> DIGITAL MAIN CN9003)
(DAC HIGH CN2101 <-> DIGITAL MAIN CN9002)
(8) Insert the Insulation Sheet.
(9) Connect the DIGITAL MAIN ASSY and the
DAC HIGH ASSY to the Rear Panel 57U
ground.
(Refer to the “Ground points”.)
Note1: In case of diagnosing DIGITAL MAIN ASSY
by this situation, do not connect HDMI
Cable from FRONT HDMI USB ASSY to
prevent breakdown of HDMI connector.
If the HDMI connection is necessary, use
another normal HDMI Cable and connect it
to DIGITAL MAIN ASSY without any stress
from HDMI Cable.
Note2: By placing the DAC HIGH ASSY on the
DIGITAL MAIN ASSY from the above
status, it is possible to perform diagnosis
both on the DAC HIGH ASSY and the
side-B of AUDIO ASSY simultaneously.
6
7
8
9
9
CN2101
CN2102
CN9003
CN2103
DIGITAL MAIN ASSY
DAC HIGH ASSY
CN1502
CN1503
CN3001
CN2861
CN3901
AUDIO ASSY
AUDIO ASSY
CN2104
Rear Panel 57U
DIGITAL MAIN ASSY
CN9002
CN2502
7P + 15P board to board
extension jig cable (GGD1762)
5
30P + 30P board to board
extension jig cable (GGD1682)
Insulation Sheet
28P + 14P board to board
extension jig cable (GGD1763)
DAC HIGH ASSY
Insulation Sheet