1-16 (No.MB349)
3.1.10 Removing the digital amplifier board
(See Figs.18 to 20)
Remove the top cover, AL panel L, AL panel R, front panel as-
sembly, rear panel, switching power unit, main board and mi-
com board.
(1) From the back side of the main body, disconnect the card
wire from the connector
CN313
on the digital amplifier
board assembly. (See Fig.18.)
Reference:
When connecting the wire, connect the wire to connector
CN313
on the digital amplifier board assembly after pass
it through the section
m
of the side cover L. (See Fig.18.)
(2) From the top side of the main body, remove the two screws
T
and two screws
U
attaching the bracket C. (See Fig.18.)
(3) Take out the bracket C with the headphone board from the
main body.
Reference:
When attaching the bracket C to the bottom chassis, at-
tach it after fitting the holes to the projections n of the bot-
tom chassis. (See Fig.18.)
(4) Take out the digital amplifier board assembly.
(5) Release the joints (
p
,
q
,
r
) of the deus case A and deus case
B, and remove the deus case A in the direction of the ar-
row. (See Fig.19.)
(6) Remove the screw
V
attaching the heat sink. (See Fig.20.)
(7) Remove the solder from the soldered sections (
s
,
t
) attach-
ing the digital amplifier board to the deus case B and bend
the joints (
u
,
v
) in the direction of the arrow. (See Fig.20.)
(8) Take out the digital amplifier board from the deus case B.
Reference:
When attaching the digital amplifier board to the deus case B,
fit the joints (
u
,
v
,
w
,
x
) of the deus case B to the holes of the dig-
ital amplifier board. (See Fig.20.)
Fig.18
Fig.19
Fig.20
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Summary of Contents for EX-A1
Page 10: ...1 10 No MB349 Fig 5 Fig 6 Fig 7 Ú É ßÔ Ô Ù Ù Ø Ø ßÔ Î ßÔ Ô ßÔ Î ï ï ï ï î î ...
Page 28: ...1 28 No MB349 SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...
Page 29: ... No MB349 1 29 ...
Page 31: ...ÝÑÓÐßÝÌ ÝÑÓÐÑÒÛÒÌ ÍÇÍÌÛÓ ÛÈóßï Ý º ÝßóÛÈßï ÍÐóÛÈßï ÔÊÌïîèìóðïîß Åßà ÒÍÌÎËÝÌ ÑÒÍ ...
Page 74: ...ïððìÍÕÓÓÑÜÖÍÝ ÛÈóßï ÝÑÓÐßÝÌ Ì ÝÑÓÐÑÒÛÒÌ ÍÇÍÌÛÓ îððì Ê Ý º Ö ô Ô ÛÒ ...
Page 75: ...ÝÑÓÐßÝÌ ÝÑÓÐÑÒÛÒÌ ÍÇÍÌÛÓ ÛÈóßï Ý º ÝßóÛÈßï ÍÐóÛÈßï ÔÊÌïîèìóððìß ÅÞà ÒÍÌÎËÝÌ ÑÒÍ ...
Page 121: ...îððì Ê Ý º Ö ô Ô ÛÒ ïððìÍÕÓÓÑÜÖÍÝ ÛÈóßï ÝÑÓÐßÝÌ Ì ÝÑÓÐÑÒÛÒÌ ÍÇÍÌÛÓ ...
Page 123: ... µó ø º ÐÉÞ ô ª µ ø ô ø ÝÐ ø º þ þ µ º º ò ...
Page 136: ...2 13 Í ...
Page 158: ...3 21 MEMO ...