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

Sony HT-CT770 Service Manual ▷ View online

HT-CT770
57
Pin No.
Pin Name
I/O
Description
60
BCLK_OUT
O
Bit clock signal output to the stream processor and RF modulator
61
LRCLK_OUT
O
L/R sampling clock signal output to the stream processor and RF modulator
62
SBL/SBR_IN
I
Audio signal (for surround back L-ch/R-ch) input from the digital audio interface receiver
63
L/R_IN
I
Audio signal (for front L-ch/R-ch) input from the digital audio interface receiver
64
VDD_INT
-
Power supply terminal (+1.1V) (for core)
65
DIR_IN
I
Audio signal input from the digital audio interface receiver
66, 67
VDD_INT
-
Power supply terminal (+1.1V) (for core)
68
GND
-
Ground terminal
69
THD_M
O
Thermal detection signal output terminal    Not used
70
THD_P
I
Thermal detection signal input terminal    Not used
71
VDD_THD
-
Not used
72 to 76
VDD_INT
-
Power supply terminal (+1.1V) (for core)
77
FLAG0
O
Interrupt request signal output to the system controller
78, 79
VDD_INT
-
Power supply terminal (+1.1V) (for core)
80
FLAG1
I
Error detection signal input terminal    “L”: error
81
FLAG2
I
Audio setting signal input terminal    “L”: LPCM audio, “H”: HBR audio
82
FLAG3
-
Not used
83
MLBCLK
-
Not used
84
MLBDAT
-
Not used
85
MLBDO
-
Not used
86
VDD_EXT
-
Power supply terminal (+3.3V) (for I/O)
87
MLBSIG
-
Not used
88
VDD_INT
-
Power supply terminal (+1.1V) (for core)
89
MLBSO
-
Not used
90
TRST
I
Test reset signal input terminal (for JTAG)    Not used
91
EMU
O
Emulation status signal output terminal    Not used
92
TDO
O
Test data output terminal (for JTAG)    Not used
93
VDD_EXT
-
Power supply terminal (+3.3V) (for I/O)
94
VDD_INT
-
Power supply terminal (+1.1V) (for core)
95
TDI
I
Test data input terminal (for JTAG)    Not used
96
TCK
I
Test clock signal input terminal (for JTAG)    Not used
97
VDD_INT
-
Power supply terminal (+1.1V) (for core)
98
RESET
I
Reset signal input from the system controller    “L”: reset
99
TMS
I
Test mode selection signal input terminal (for JTAG)    Not used
100
VDD_INT
-
Power supply terminal (+1.1V) (for core)
58
HT-CT770
SECTION  6
EXPLODED  VIEWS
  #1 
7-685-647-79  SCREW +BVTP 3X10 TYPE2 IT-3
  Ref. No. 
Part No. 
Description 
Remark
Note:
•  -XX and -X mean standardized parts, so 
they may have some difference from the 
original one.
•  Items marked “*” are not stocked since 
they are seldom required for routine ser-
vice. Some delay should be anticipated 
when ordering these items.
•  The mechanical parts with no reference 
number in the exploded views are not sup-
plied.
•  Color Indication of Appearance Parts Ex-
ample:
  KNOB, BALANCE (WHITE) . . . (RED)
   
 
 
   
 
Parts Color  Cabinet’s Color
• Abbreviation
 AUS : 
Australian 
model
  CH 
: Chinese model
  CND  : Canadian model
  EA 
: Saudi Arabia model
  MX 
: Mexican model
  SP 
: Singapore model
 TW  : 
Taiwan 
model
6-1.  OVERALL  SECTION
• Bottom view
top panel section
not supplied
not supplied
MAIN board section
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
Ver. 1.2
The components identifi ed by mark 0 
or dotted line with mark 0 are critical for 
safety.
Replace only with part number specifi ed.
Les composants identifi és par une marque 
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce por-
tant le numéro spécifi é.
The components identifi ed by mark 9 con-
tain confi dential information.
Strictly follow the instructions whenever the 
components are repaired and/or replaced.
Les composants identifi és par la marque  
9 contiennent des informations confi den-
tielles.
Suivre scrupuleusement les instructions 
chaque fois qu’un composant est remplacé 
et / ou réparé.
59
HT-CT770
6-2.  TOP  PANEL  SECTION
• Bottom view
  51 
A-1979-510-A  DISPLAY BOARD, COMPLETE
 (Type-12) (Type-13: Except AEP, UK) (See Note)
  51 
A-2062-570-A  DISPLAY BOARD, COMPLETE (Type-13: AEP, UK)
 (See Note)
 52 
3-087-053-01 +BVTP2.6 
(3CR)
  53 
4-480-994-11  PANEL SIDE (Right side)
 54 
4-459-006-01 DOUBLE 
ADHESIVE 
TAPE 
(NFC)
  55 
4-480-994-01  PANEL SIDE (Left side)
 56 
3-077-331-21 +BV3 
(3-CR)
 57 
4-986-971-02 SCREW 
(3.5)
  58 
A-2045-218-A  TOP PANEL ASSY (for SERVICE) (US, CND)
  58 
A-2045-221-A  TOP PANEL ASSY (for SERVICE) 
(Except US, CND)
  FFC4 
9-885-198-96  FFC 24P DISPLAY-MAIN
  FFC5 
9-885-194-86  FFC 8P NFC-MAIN
  NFC1 
8-989-470-05  RC-S801 (NFC module)
  SP1 
1-858-969-11  LOUDSPEAKER (6 cm) (Woofer) (L-ch)
  SP2 
1-858-969-11  LOUDSPEAKER (6 cm) (Woofer) (R-ch)
  SP3 
X-2589-422-1  TW ASSY (Tweeter) (L-ch)
  SP4 
X-2589-422-1  TW ASSY (Tweeter) (R-ch)
  #1 
7-685-647-79  SCREW +BVTP 3X10 TYPE2 IT-3
  #2 
7-685-646-71  SCREW +BVTP 3X8 TYPE2 IT-3
  #3 
7-685-504-19  SCREW +BTP 2X6 TYPE2 N-S
  Ref. No. 
Part No. 
Description 
Remark
  Ref. No. 
Part No. 
Description 
Remark
not supplied
not 
supplied
not supplied
not supplied
(KEY board)
not supplied
not supplied
not supplied
not supplied
(IR board)
not supplied
not supplied
not supplied
NFC1
FFC5
FFC4
#2
#3
#3
#2
#2
#2
#2
#2
#2
#2
not supplied
not supplied
A
A
B
B
C
C
#2
D
D
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
#1
#1
#1
#1
#1
#1
#1
#1
51
52
52
53
54
55
56
56
SP1
57 57
57
57
58
SP3
SP4
SP2
57 57
57
57
Ver. 1.2
Note: Refer to the “DISCRIMINATION FOR TYPE-12/-13 OF DISPLAY BOARD” 
on page 5 for how to distinguish the type-12/-13 of DISPLAY board.
60
HT-CT770
6-3.  MAIN  BOARD  SECTION
 101 
A-1989-142-A MAIN BOARD, COMPLETE (US, CND) (See Note 2)
  101 
A-1989-146-A  MAIN BOARD, COMPLETE (AEP, UK) (See Note 2)
  101 
A-2046-181-A  MAIN BOARD, COMPLETE (TW) (See Note 2)
  101 
A-2046-183-A  MAIN BOARD, COMPLETE 
(AUS, CH, EA, MX, SP) (See Note 2)
  102 
4-528-208-01  SHEET RADIATION (T1)
  103 
A-1979-508-A  POWER BOARD, COMPLETE (US, CND, TW)
  103 
A-1989-271-A  POWER BOARD, COMPLETE 
(Except US, CND, TW)
0 104 
4-966-267-12  BUSHING (FBS001), CORD
0 AC1 
1-834-966-41  POWER-SUPPLY CORD (AEP, SP)
0 AC1 
1-835-068-21  CORD, POWER (AUS)
0 AC1 
1-837-308-11  CORD, POWER-SUPPLY (US, CND)
0 AC1 
1-837-344-11  CORD, POWER-SUPPLY (MX)
0 AC1 
1-837-345-11  CORD, POWER-SUPPLY (TW)
0 AC1 
1-837-822-21  CORD, POWER-SUPPLY (CH)
0 AC1 
1-839-999-21  POWER-SUPPLY CORD (UK, EA)
 FFC3  9-885-194-82 FFC 
24P 
TX-MAIN
  RF1 
1-492-347-11  RF MODULATOR (SWA12-4V TX)
  SPC1 
1-848-071-12  CONNECTION CABLE WITH SPEAKER (L-ch)
  SPC2 
1-848-071-22  CONNECTION CABLE WITH SPEAKER (R-ch)
  #2 
7-685-646-71  SCREW +BVTP 3X8 TYPE2 IT-3
  #4 
7-685-871-01  SCREW +BVTT 3X6 (S)
  Ref. No. 
Part No. 
Description 
Remark
  Ref. No. 
Part No. 
Description 
Remark
not supplied
not 
supplied
SPC1
#2
#2
#2
#2
#2
#2
#2
not supplied
not supplied
SPC2
not supplied
101
102
103
104
#4
#4
AC1
#4
#4
#2
#2
#2
#2
#2
RF1
G
I
I
F
E
J
G
H
F
J
H
not supplied
FFC3
not supplied
E
#2
bottom cabinet section
(See Note 1)
Ver. 1.2
Note 2: When the complete MAIN board is replaced, refer to “NOTE 
OF REPLACING THE IC3001 ON THE MAIN BOARD AND 
THE COMPLETE MAIN BOARD” on page 4.
Note 1: COVER (MAIN PWB) is deleted from the midway of 
production. (Except EA, MX and SP models)
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