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Model
HT-CT260H
Pages
42
Size
4.87 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-ct260h.pdf
Date
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HT-CT260H
HT-CT260H
33
33
3-19.  SCHEMATIC DIAGRAM - POWER Board -
1:NC
2:NC
3:+31.5V
4:+31.5V
5:+31.5V
6:GND
7:GND
8:GND
9:30V
10:30V
11:GND
12:GND
Alternative
Alternative
Alternative
FB
HV
V33
PGND
D
GND
HV
+31.5V
HV
N2
L2
N1
L1
+30V
+30V
+30V
L2
N2
N1
L1
V33
PGND
FB
D
HV
GND
C541
100pF/1KV
C541
100pF/1KV
RV501
VDR/470V
RV501
VDR/470V
C547
0.1uF/50V/X7R
C547
0.1uF/50V/X7R
R541
2M
R541
2M
D543 B20200/20A/200V
D543 B20200/20A/200V
1
2
3
R543
NC
R543
NC
R5642
15
R5642
15
U543
AS431
U543
AS431
3
1
2
R502
1M
R502
1M
TR501
NTC/3ohm/5A
TR501
NTC/3ohm/5A
FB503
FB80@100MHz
FB503
FB80@100MHz
+
150uF/250V
CE501
+
150uF/250V
CE501
C501
NC
C501
NC
FB504
FB90@100MHz
FB504
FB90@100MHz
ZD545
P6KE200A
ZD545
P6KE200A
FB502
FB80@100MHz
FB502
FB80@100MHz
LIF502
24mH
LIF502
24mH
3
2
4
1
L541
NC
L541
NC
R563
100K
R563
100K
R503
1M
R503
1M
T5311
PQ3230
T5311
PQ3230
A8
8
A11
11
D
3
P-GND
5
FB
6
VDD
1
N.C
2
A12
12
A9
9
R545
NC
R545
NC
R551
241
R551
241
ZD541
BZX79C33
ZD541
BZX79C33
C
S
D
V
F
CONTROL
X
U541
TOP260EN
C
S
D
V
F
CONTROL
X
U541
TOP260EN
R542
2M
R542
2M
R547
100
R547
100
D546
1N4148
D546
1N4148
ZD543
BZX79C12
ZD543
BZX79C12
CY501
NC
CY501
NC
ZD544
NC
ZD544
NC
C544
1500pF/1KV
C544
1500pF/1KV
+
47uF/50V
CE542
+
47uF/50V
CE542
R544
NC
R544
NC
C
543
0.
1uF/
50V/
X7R
C
543
0.
1uF/
50V/
X7R
U542
PS2561L1
U542
PS2561L1
1
2
4
3
T541
ER28
T541
ER28
A8
8
A10
10
D
3
P-GND
5
FB
6
VDD
1
N.C
2
A12
12
A9
9
R561
68.1K/1%
R561
68.1K/1%
+
47uF/
35V
C
E
541
+
47uF/
35V
C
E
541
D541
FR207/2A/1000V
D541
FR207/2A/1000V
XP501
12PIN/2.0mm
XP501
12PIN/2.0mm
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
R558
2.2K
R558
2.2K
R564
470
R564
470
CY502
470pF/250VAC
CY502
470pF/250VAC
FB501
FB90@100MHz
FB501
FB90@100MHz
CY503
470pF/250VAC
CY503
470pF/250VAC
R560
33.2K/1%
R560
33.2K/1%
C545
0.1uF/50V/X7R
C545
0.1uF/50V/X7R
+
820uF/50V
CE544
+
820uF/50V
CE544
R557
470
R557
470
LIF501
NC
LIF501
NC
4
3
1
2
R550
241
R550
241
R562
3.01K/1%
R562
3.01K/1%
F501
T3.15AL250V
F501
T3.15AL250V
R548
6.8
R548
6.8
C546 NC
C546 NC
CY505
220pF/250VAC
CY505
220pF/250VAC
R505
1M
R505
1M
R552
241
R552
241
R5641
15
R5641
15
CY504
220pF/250VAC
CY504
220pF/250VAC
+
820uF/50V
CE543
+
820uF/50V
CE543
D542
FR104/1A/400V
D542
FR104/1A/400V
R504
1M
R504
1M
CX501
0.33uF/275VAC
CX501
0.33uF/275VAC
R559
470K
R559
470K
CON501
2PIN/7.92mm
CON501
2PIN/7.92mm
1
1
2
2
D545
1N4148
D545
1N4148
C542
2200pF/400V
C542
2200pF/400V
ZD542
BZX79C
11V
ZD542
BZX79C
11V
-
+
BD501
KBP306
-
+
BD501
KBP306
2
1
3
4
R5643
15
R5643
15
+
22uF/50V
CE545
+
22uF/50V
CE545
R546
0
R546
0
R549
0
R549
0
POWER BOARD
A
1
3
8
6
E
2
D
5
B
C
7
4
Ver. 1.1
HT-CT260H
HT-CT260H
34
34
3-20.  PRINTED WIRING BOARD - IR Board -
IR BOARD  
(COMPONENT SIDE)
IR BOARD  
(CONDUCTOR SIDE)
A
B
1
2
3-21.  SCHEMATIC DIAGRAM - IR Board -
IR2
IR2
XP4
2PIN/2.0mm
XP4
2PIN/2.0mm
IR1
IR1
1 2
3
4
1 2
GND
GND
IR BOARD
A
B
1
15
M3
IN1A
V
L
CONFIG
PWRDN
FAULT
TRI-STATE
TH_WAR
IN1B
V
DD
V
DD
V
SS
V
SS
V
CC
SIGN
V
CC
SIGN
GND-Reg
GND-Clean
IN2A
PROTECTIONS
&
LOGIC
REGULATORS
29
23
24
25
27
26
28
30
21
22
33
34
35
36
M2
M5
M4
17
16
OUT1A
GND1A
OUT1A
V
CC
1A
14
12
10
11
OUT1B
GND1B
OUT1B
V
CC
1B
13
7
M17
M15
M16
M14
8
9
OUT2A
GND2A
OUT2A
V
CC
2A
6
4
2
3
OUT2B
GND2B
OUT2B
V
CC
2B
5
19
31
20
GNDSUB
1
IN2B
32
Ver. 1.1
• 
 : Uses unleaded solder.
• See page 17 for Circuit Boards Location.
•  IC Block Diagram
– MAIN Board –
U701  STA516B
SA-CT260H
35
•  IC Pin Function Description
MAIN  BOARD  U10  M0516 (MCU)
Pin No.
Pin Name
I/O
Description
1
MOSI_0
O
Muting signal output terminal
2
MISO_0
O
Selection signal output terminal
3
SPICLK0
O
Power on/off control signal output terminal (for power)
4
RST
I
Reset signal input terminal (for upgrade MCU)
5
RXD
I
Serial data input terminal (for Bluetooth)
6
AVSS
-
Ground terminal
7
TXD
O
Serial data output terminal (for Bluetooth)
8
STADC
I
IR signal input terminal (for VFD)
9
MCLK
O
Reset signal output terminal (for Bluetooth)
10
SDA/T0
I
Serial data input terminal (for HDMI)
11
SCL
I
Clock signal input terminal (for HDMI)
12
PWM3
O
LED drive signal output terminal (for Bluetooth)
13
CKO
I
CEC interrupt signal input terminal
14
RD
O
SPDIF rest signal output terminal (for CS8416)
15
XTAL2
O
System clock output terminal (12 MHz)
16
XTAL1
I
System clock input terminal (12 MHz)
17
VSS
-
Ground terminal
18
LDO_CAP
-
External capacitor connection terminal
19
PWM0
I
Thermal warning signal input terminal (for STA516)
20
PWM1
I/O
Two-way serial clock signal terminal (for STA309)
21
PWM2
I
Busy signal input terminal (for wireless)
22
PWM3
I/O
Two-way serial data terminal (for STA309)
23
PWM4
I
Interrupt request signal input terminal (for wireless)
24
PWM0
O
Interrupt acknowledge signal output terminal (for wireless)
25
PWM5
O
IR enable signal output terminal
26
PWM6
O
Chip select signal output terminal (for DSP)
27
PWM7
I
Power key input terminal (for VFD)
28
/CS
I
Not used
29
ALE
O
Reset signal output terminal (for DSP)
30
ICE_CLK
I/O
Two-way serial clock signal terminal (for upgrade MCU)
31
ICE_DAT
I/O
Two-way serial data terminal (for upgrade MCU)
32
SPICLK1
O
Serial clock signal output terminal (for DSP)
33
MISO_1
O
Serial data output terminal (for DSP)
34
MOSI_1
O
Serial data output terminal (for DSP)
35
SPISS1
O
Chip select signal output terminal (for DSP)
36
PWM1
I
Reset signal input terminal (for HDMI)
37
RTS0
I/O
Two-way serial clock signal terminal (for VFD)
38
CTS0
I/O
Two-way serial data terminal (for VFD)
39
RTS1
-
Standby signal terminal (for VFD)
40
CTS1
O
Selection signal output terminal
41
VDD
-
Power supply terminal (+3.3V)
42
AVDD
-
Power supply terminal (+3.3V)
43
T2
I
Power on/off control signal input terminal (for SAT516)
44
T3
I
Reset signal input terminal (for STA309)
45
RXD1
I/O
Two-way serial data terminal (for DIR)
46
TXD1
I/O
Two-way serial data terminal (for DIR)
47
SPISS0
O
Not used
48
PWM2
O
Busy signal output terminal (for DSP)
Ver. 1.1
36
HT-CT260H
SECTION  4
EXPLODED  VIEWS
  1 
A-1952-844-A  COVER OPT ASSY (US, CND)
  1 
A-1968-160-A  COVER OPT ASSY (AEP, UK, AUS)
  2 
A-1952-843-A  COVER HDMI ASSY (US, CND)
  2 
A-1968-159-A  COVER HDMI ASSY (AEP, UK, AUS)
 3 
A-1952-847-A SEAT 
ASSY
 4 
4-474-768-01 CUSHION 
(FOOT)
  #1 
7-685-546-19  SCREW +BTP 3X8 TYPE2 N-S
  #2 
7-685-751-09  SCREW +PTT 3X6 (S)
  Ref. No. 
Part No. 
Description 
Remark
  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
  CND  : Canadian model
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.
back case section
3
3
4
4
4
4
#2
#1
#1
#2
1
2
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.
4-1.  OVERALL  SECTION
•  Rear bottom view
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