Sony HT-CT780 Service Manual ▷ View online
HT-CT780
17
2-11. MAIN BOARD
1 connector
(CN601)
2 flexible flat cable
(14 core) (FFC1)
(CN301)
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terminal face
IC503
connector
(CN301)
(CN301)
5 two screws
(BVTP3
u 10)
6 heat sink amp
Note
3: When you install the heat sink amp,
spread the compound referring to “NOTE
OF REPLACING THE IC503 ON THE
MAIN BOARD AND THE COMPLETE
MAIN BOARD” on page 5.
3 connector
(CN103)
8 three screws
(B3
u 5)
8 screw
(B3
u 5)
7 two screws
(BV3
u 7)
7 five screws
(BV3
u 7)
0 cushion (CZ)
qa MAIN board
9 Remove the MAIN board
in the direction of the arrow.
4 flexible flat cable
(24 core) (FFC2)
bottom block
Insert only part way.
Insert straight into
the interior.
the interior.
connector
Insert at a slant.
connector
connector
connector
connector
connector
OK
NG
NG
+RZWRLQVWDOOWKHFRQQHFWRU
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.
Note 4: Please use the short screwdriver.
–%RWWRPYLHZ–
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
+RZWRLQVWDOOWKHIOH[LEOHIODWFDEOH
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.
short screwdriver
Note 1: When removing the MAIN board, you need the full length is
short screwdriver.
If that has not been available a short screwdriver, remove the
MAIN board after removing the bottom chassis block, refer to
“2-14. BOTTOM CHASSIS BLOCK” on page 20.
“2-14. BOTTOM CHASSIS BLOCK” on page 20.
Note 2: When the complete MAIN board is replaced, refer to “NOTE
OF REPLACING THE IC503 ON THE MAIN BOARD AND
THE COMPLETE MAIN BOARD” and “NOTES ON THE
WIRELESS CONNECTION (LINK) AFTER REPAIRS ARE
COMPLETE” on page 5.
THE COMPLETE MAIN BOARD” and “NOTES ON THE
WIRELESS CONNECTION (LINK) AFTER REPAIRS ARE
COMPLETE” on page 5.
HT-CT780
18
2-12. POWER CORD (AC1)
&RUGEXVKLQJ)%6VHWWLQJ
Insert only part way.
Insert straight into
the interior.
the interior.
connector
connector
Insert at a slant.
connector
connector
connector
connector
OK
NG
NG
+RZWRLQVWDOOWKHSRZHUFRUGFRQQHFWRU
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.
1 connector
(CN901)
3 Draw out the power
cord from the hole.
6 power cord
(AC1)
hole
2 Remove the cord bushing (FBS001)
in the direction of the arrow.
5 cord bushing
(FBS001)
4 claw
3RZHUFRUGVHWWLQJ
power cord
(AC1)
(AC1)
cord bushing
(FBS001)
(FBS001)
claw
80 +5, -0 mm
to POWER board
Note: When installing the power cord (AC1),
check the direction of claw of cord bushing
(FBS001) and install correctly.
bottom block
claw
power cord
cord bushing
(FBS001)
(FBS001)
HT-CT780
19
2-13. BLUETOOTH MODULE (BT1)
6 bluetooth module
(BT1)
4 cushion (CZ)
3 flexible flat cable (14 core)
(FFC1)
5 cushion (QV, A)
)OH[LEOHIODWFDEOH))&VHWWLQJ
bluetooth module
(BT1)
(BT1)
bluetooth module
(BT1)
(BT1)
flexible flat cable
(14 core) (FFC1)
(14 core) (FFC1)
Terminal face is
below side.
below side.
Pull out the flexible flat cable
(FFC1) to the front side.
(FFC1) to the front side.
guide line
guide line
cushion (CZ)
cushion (QV, A)
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2 Remove the bluetooth module
block in the direction of the arrow.
1 claw
Note: Do not pinch the flexible flat
cable (FFC1) under the
bluetooth module (BT1).
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
+RZWRLQVWDOOWKHIOH[LEOHIODWFDEOH
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.
bottom block
HT-CT780
20
2-14. BOTTOM CHASSIS BLOCK
3 flexible flat cable
(24 core) (FFC2)
2 connector
(CN103)
1 cushion (CZ)
4 cushion absorbent
bottom panel block
7 bottom chassis block
6 CZ3 - FFC holder board
5 two screws
(BVTP3
u 10)
5 two screws
(BVTP3
u 10)
5 eight screws
(BVTP3
u 10)
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.
bottom block
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OK
NG
5HSODFHWKHIOH[LEOHIODWFDEOHZLWKWKHFXVKLRQWRWKHIOH[LEOHIODWFDEOHZLWKRXWWKHFXVKLRQ
5HSODFHWKHIOH[LEOHIODWFDEOHZLWKWKHFXVKLRQWRWKHIOH[LEOHIODWFDEOHZLWKWKHFXVKLRQ
5HSODFHWKHIOH[LEOHIODWFDEOHZLWKRXWWKHFXVKLRQWRWKHIOH[LEOHIODWFDEOHZLWKRXWWKHFXVKLRQ
5HSODFHWKHIOH[LEOHIODWFDEOHZLWKWKHFXVKLRQWRWKHIOH[LEOHIODWFDEOHZLWKWKHFXVKLRQ
5HSODFHWKHIOH[LEOHIODWFDEOHZLWKRXWWKHFXVKLRQWRWKHIOH[LEOHIODWFDEOHZLWKRXWWKHFXVKLRQ
Note: Flexible flat cable (24 core) (FFC2) have been changed to without the cushion from the midway of production.
When replacing the flexible flat cable (24 core) (FFC2), check whether the cushion is affixed, and be careful about the following notes.
Ver. 1.2
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