Read Sony SRS-X77 Service Manual online
SRS-X77
28
2-22. MAIN BOARD, CARD WLAN/BT COMBO
Note 1: Be sure to replace the complete NETWORK board and card
WLAN/BT combo at the same time. Be sure to also follow
“NOTE OF REPLACING THE COMPLETE NETWORK
BOARD AND CARD WLAN/BT COMBO” on page 3 dur-
ing replacement.
“NOTE OF REPLACING THE COMPLETE NETWORK
BOARD AND CARD WLAN/BT COMBO” on page 3 dur-
ing replacement.
Note 2: When replacing the complete MAIN board or card WLAN/BT
combo, refer to “CHECKING OF NETWORK CONNEC-
TION” on page 3.
TION” on page 3.
colored line
Insert straight into the interior.
flexible flat
cable
cable
connector
OK
colored line
Insert at a slant.
flexible flat
cable
cable
connector
NG
How to install the flexible flat cable
When installing the flexible flat cable, ensure that
the colored line is parallel to the connector after insertion.
When installing the flexible flat cable, ensure that
the colored line is parallel to the connector after insertion.
Insert only part way.
Insert straight into
the interior.
the interior.
connector
Insert at a slant.
connector
connector
connector
connector
connector
OK
NG
NG
How to install the connector
Insert the connector straight into the interior.
There is a possibility that using this unit without
the connector correctly installed will damage it.
Insert the connector straight into the interior.
There is a possibility that using this unit without
the connector correctly installed will damage it.
MAIN board
20 mm
1.5 to 2.0 mm
filament tape
(sub material)
(sub material)
flexible flat cable
(21 core) (FFC2)
(21 core) (FFC2)
CN304
MAIN board
connector
filament tape
(sub material)
(sub material)
cabinet rear
CN406
25 mm
:ire settinJ
groove
filament tape
(sub material)
(sub material)
5
jack wire connector
(CN302)
qa
MAIN board
1 filament tape
(sub
material)
8 WIFI wire connector
9 WIFI wire connector
(CN304)
7 filament tape
(sub
material)
4 flexible flat cable (21 core) (FFC2)
(CN406)
qd card WLAN/BT combo
6 flexible flat cable
(10 core) (FFC1)
(CN402)
(CN402)
0 screw
(BVTT
2.6
u 4)
– Rear view –
filament tape
(sub material)
(sub material)
MAIN board
groove
3 filament tape
(sub
material)
terminal
side
side
terminal
side
side
:ire settinJ
:ire settinJ
– MAIN board block rear bottom view –
2 cushion (heat sink M)
qs two sheets (1)
card WLAN/BT combo
Note 5: Twist the wire twice before
inserting the connector.
Note 3: Pass the wire between the
card
card
WLAN/BT
combo
and the cabinet rear.
Note 4: Twist the wire 1.5 times before
inserting the connector.
groove
groove
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