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
5
MODEL  IDENTIFICATION
Distinguish by Part No. and destination code on the bottom side of a main unit.
– Bottom view –
MODEL LABEL
Part No.
Destination code
Destination
Part No.
Destination code
US, Canadian
4-528-424-0[]
UC2
AEP, UK
4-528-426-0[]
CE
Singapore
4-528-826-0[]
SP1
Chinese
4-528-827-0[]
CN4
Australian
4-528-828-0[]
AU1
Taiwan
4-528-829-0[]
TW2
Mexican
4-528-830-0[]
MX2
Saudi Arabia
4-531-454-0[]
EA3
DISCRIMINATION  FOR  TYPE-12/-13  OF  DISPLAY  BOARD
The DISPLAY board has been changed in the midway of production.
Distinguish the type by referring to the following fi gure.
– DISPLAY Board (Conductor Side) –
Type-12: 1-889-796-12
Type-13: 1-889-796-13
Ver. 1.2
HT-CT770
6
SERVICE  POSITION
MAIN board
POWER board
HT-CT770
7
SECTION  2
DISASSEMBLY
• 
This set can be disassembled in the order shown below.
2-1.  DISASSEMBLY  FLOW
Note: Follow the disassembly procedure in the numerical order given.
2-2.  PANEL  TOP  BLOCK-1
•  Continued on next page.
SET
2-15. POWER BOARD
 (Page 
16)
2-14.  POWER CORD (AC1)
 (Page 
16)
2-13 . CONNECTION CABLE WITH SPEAKER 
 
(L-CH, R-CH) (SPC1, SPC2)
 (Page 
15)
2-12. MAIN BOARD
 (Page 
14)
2-17. HDMI BOARD
 (Page 
18)
2-11.  MAIN BOARD BLOCK-2
 (Page 
14)
2-3.  PANEL TOP BLOCK-2
 (Page 
8)
2-2.  PANEL TOP BLOCK-1
 (Page 
7)
2-7. DISPLAY 
BOARD
 (Page 
11)
2-8.  NFC MODULE (NFC1)
 (Page 
12)
2-10.  MAIN BOARD BLOCK-1
 (Page 
13)
2-4.  LOUDSPEAKER (6 cm) 
 
(L-CH, R-CH) (SP1, SP2)
 (Page 
9)
2-5.  TW ASSY (L-CH, R-CH) 
 (SP3, 
SP4)
 (Page 
10)
2-6. DISPLAY 
BOARD 
 BLOCK
 (Page 
11)
2-9.  RF MODULATOR (RF1)
 (Page 
12)
2-16.  BRACKET (MAIN) BLOCK
 (Page 
17)
2-18.  BRACKET (POWER) BLOCK
 (Page 
18)
2-19.  BLUETOOTH MODULE (BT1)
 (Page 
19)
– Bottom view –
1 six screws
 (BVTP3 
u 10)
1 nine screws
 (BVTP3 
u 10)
1 nine screws
 (BVTP3 
u 10)
Note: Please spread a sheet under a 
 
unit not to injure panel top.
– Rear view –
HT-CT770
8
2-3.  PANEL  TOP  BLOCK-2
colored line
colored line
Insert is straight to the interior.
Insert is incline
flexible flat 
cable
flexible flat 
cable
connector
connector
OK
– Rear view –
1 Remove the panel top block 
 
in the direction of the arrow.
6 panel top block
4 
terminal [gray]
 (wide 
side)
3 
terminal [gray]
3 
terminal [black]
3 
terminal [black]
4 
terminal [black]
 (narrow 
side)
4 
terminal [black]
 (narrow 
side)
3 
terminal [black]
3 
terminal [red]
3 
terminal [red]
3 
terminal 
 [red]
3 
terminal [black]
4 
terminal [red]
 (wide 
side)
5 flexible flat cable (24 core)
 (CN1002)
NG
‡ :ire VeWWiQJ
‡ :ire VeWWiQJ
[red]
(wide side)
[black]
(narrow side)
[black]
[black]
[red]
loudspeaker (6 cm) 
(R-ch) (SP2)
TW assy (R-ch) (SP4)
[black]
(narrow side)
[gray]
(wide side)
[gray]
[black]
[black]
[red]
[red]
loudspeaker (6 cm) 
(L-ch) (SP1)
TW assy (L-ch) (SP3)
2 
cushion (A)
2 
cushion (A)
cushion (A)
cushion (A)
Note: When installing the flexible flat cable, ensure the colored line.
 
No slanting after insertion.
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