2-1
SLV-478/677HF/678HF/688HF/L47/L48/L57/
L58/L67HF/L68HF/L77HF/L78HF/X50/X60HF
SECTION 2
DISASSEMBLY
NOTE : Follow the disassembly procedure in the numerical order given.
2-1. UPPER CASE, FRONT PANEL BLOCK ASSEMBLY
2-2. DS-79 BOARD, JK-161 BOARD
1
Tapping screws
2
Upper case
1
Tapping screw
3
Connector
(From CN423 on MA-317 board)
(Models built in JK-161 board only)
Front panel block assembly
secured points
4
Hooks
Front panel block assembly
Front panel block assembly
secured points
3
Connector
(From CN401 on MA-317 board)
5
2
4
Hooks
Front panel assembly
Jack cover
JK-161 board
DS-79 board
DS-79 board
+B2. 6
×
8
+B2. 6
×
8
+B2. 6
×
8
SLV-688HF/L57/
L58/L77HF/L78HF
/X50
SLV-L57/L58/
L77HF/L78HF/
X50
EXCEPT
SLV-L57/L58/
L77HF/L78HF/
X50
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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