DOWNLOAD Sony HT-CT770 Service Manual ↓ Size: 5.34 MB | Pages: 74 in PDF or view online for FREE

Model
HT-CT770
Pages
74
Size
5.34 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-ct770.pdf
Date
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HT-CT770
13
2-10.  MAIN  BOARD  BLOCK-1
•  Continued on next page.
colored line
colored line
Insert is straight to the interior.
Insert is incline
flexible flat 
cable
flexible flat 
cable
connector
connector
Note: When installing the flexible flat 
 
cable, ensure the colored line.
 
No slanting after insertion.
4 connector
 (CN1005)
 
(See Fig. A, B)
MAIN board
7 connector
 (CN3502)
8 connector
 (CN2005)
2 cover (MAIN PWB)
 
(See Fig. B)
cover (MAIN PWB)
1 screw
 (BVTP3 
u 8)
MAIN board
POWER board
3 Remove the wire from 
 
the coating clip.
 (See 
Fig. 
A)
coating clip
Wire is under the bracket (main). 
coating clip
3 Remove the wire from the coating clip.
 (See 
Fig. 
A)
5 flexible flat cable (19 core)
 (CN3501)
6 flexible flat cable (14 core)
 (CN2001)
‡:LUHsetting
)LJ$!
)LJ%!
Wire is over the bracket (main). 
Wire is under the bracket (main). 
Arrange the wire, as shown in the 
following figure.
Wire is sticking out from the bottom cabinet.
OK
NG
NG
OK
NG
HT-CT770
14
2-11.  MAIN  BOARD  BLOCK-2
2-12.  MAIN  BOARD
4 connector
 (CN3001)
5 connector
 (CN3002)
1 four screws
 (BVTP3 
u 8)
1 screw
 (BVTP3 
u 8)
1 screw
 (BVTP3 
u 8)
1 screw
 (BVTP3 
u 8)
2 coating clip
3 Remove the MAIN board block
 
in the direction of the arrow.
6 MAIN board block
1 sheet radiation (T1)
4 MAIN board
IC3001
2 two screws
 (BVTP3 
u 8)
3 heatsink (main)
 Note: When you install the heatsink (main), 
 
 
spread the compound referring to “NOTE 
 
 
OF REPLACING THE IC3001 ON THE 
 
 
MAIN BOARD AND THE COMPLETE
 
 
MAIN BOARD” on servicing notes 
  
(page 
4).
HT-CT770
15
2-13.  CONNECTION  CABLE  WITH  SPEAKER (L-CH,  R-CH) (SPC1,  SPC2)
1 acoustic absorbent (B)
2 connection cable with speaker (R-ch)
 (SPC2)
2 connection cable
 
with speaker (L-ch)
 (SPC1)
connection cable with speaker (L-ch)
(SPC1)
1 acoustic absorbent (B)
acoustic absorbent (B)
ditch
rib
rib
rib
– Top view –
‡ Connection cable with speaker (L-ch) (SPC1) setting
connection cable with speaker (R-ch)
(SPC2)
acoustic absorbent (B)
– Top view –
‡ Connection cable with speaker (R-ch) (SPC2) setting
rib
rib
rib
ditch
hook
HT-CT770
16
2-14.  POWER  CORD (AC1)
2-15.  POWER  BOARD
1 connector
 (CN901)
5 Draw out the power cord 
 
from the hole.
6 power cord 
 (AC1)
2 Remove the cord bushing (FBS001)
 
in the direction of the arrow.
4 cord bushing (FBS001)
3 claw
1 screw
 (BVTT3 
u 6)
1 screw
 (BVTT3 
u 6)
1 two screws
 (BVTT3 
u 6)
2 Remove the POWER board block 
 
in the direction of the arrow.
4 POWER board
3 cushion (H)
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