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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
17
17
Ver. 1.1
For Schematic Diagrams.
Note:
•  All capacitors are in 
μF unless otherwise noted. (p: pF) 50 
WV or less are not indicated except for electrolytics and 
tantalums.
•  All resistors are in 
Ω and 1/4 W or less unless otherwise 
specifi ed.
THIS  NOTE  IS  COMMON  FOR  PRINTED  WIRING  BOARDS  AND  SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
For Printed Wiring Boards.
Note:
• 
 : Pattern from the side which enables seeing.
  (The other layers’ patterns are not indicated.)
Caution:
Pattern face side:
(Conductor Side)
Parts face side: 
(Component Side)
Parts on the pattern face side seen 
from the pattern face are indicated.
Parts on the parts face side seen from 
the parts face are indicated.
•  Circuit Boards Location
POWER board
MAIN board
IR board
HDMI board
WS T board
VFD board
BT board
Note: 
The components identi-
fi
 ed by mark 0 or dotted 
line with mark 0 are criti-
cal for safety. 
Replace only with part 
number specifi ed.
Note: 
Les composants identifi és 
par une marque 0 sont 
critiques pour la sécurité. 
Ne les remplacer que par 
une pièce portant le nu-
méro spécifi é.
HT-CT260H
HT-CT260H
18
18
3-3.  PRINTED WIRING BOARD - MAIN Board -
MAIN BOARD  
(COMPONENT SIDE)
MAIN BOARD  
(COMPONENT SIDE)
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
10
Ver. 1.1
• 
 : Uses unleaded solder.
• See page 17 for Circuit Boards Location.
HT-CT260H
HT-CT260H
19
19
3-4.  SCHEMATIC DIAGRAM - MAIN Board (1/7) -
0.6*(30+15)/15=1.80V
POWER IN
PCON  L:  POWER OFF
      H:  POWER ON
450MA
VCC
DV33
A+5V
VCC
+25.5V
+25V
VCC12V
STB+5V
STB+5V
STB+5V
+3.3V_STB
M-24V
VCC
+12V
VCC12V
+12V
+25V
VCC
HD+2.1V
STB+5V
M-24V
-24V
1
2
3
4
5
6
7
8
9
10
1
2
3
5
6
4
8
7
1
3
2
3
2
1
4
1
4
3
5
2
1
2
3
4
5
1
2
3
1
2
3
4
5
6
7
8
9
10
BS
IN
SW
FB
COMP
GND
SS
EN
G
D
S
VI
VO
GND
VO
EN
VIN
LX
VFB
GND
VIN
GND
EN
NC
VOUT
C537
NC
C537
NC
R58
10K
R58
10K
22uF/16V
C983
22uF/16V
C983
C151
0.1uF/25V/Y5V
C151
0.1uF/25V/Y5V
C5
44
0.
1uF/
50V/
X
7R
C
544
0.
1uF/
50V/
X
7R
R829
100K
R829
100K
C83
0.1uF/50V/Y5V
C83
0.1uF/50V/Y5V
FB502
FB80@100MHz
FB502
FB80@100MHz
XP10
10PIN/2.0mm
XP10
10PIN/2.0mm
R1548
1K
R1548
1K
R77
680
R77
680
FB26
300/2A
FB26
300/2A
FB24
500/800mA
FB24
500/800mA
U2
 
EUP3482
U2
 
EUP3482
C
1009
0.
1uF/
50V/
Y
5V
C
1009
0.
1uF/
50V/
Y
5V
C5
53
0.
1uF/
50V/
X
7R
C
553
0.
1uF/
50V/
X
7R
100pF/
5
0V/
N
P0
100pF/
50V/
N
P0
Q6
P_AP2305
Q6
P_AP2305
100uF/16V
CE51
100uF/16V
CE51
R837
10K
R837
10K
R549
NC
R549
NC
C566
0.1uF/50V/Y5V C566
0.1uF/50V/Y5V
C6
0.
1uF/
50V/
Y
5V
C
6
0.
1uF/
50V/
Y
5V
Q224
PNP_3CG3906M
Q224
PNP_3CG3906M
C5
49
0.
1uF/
50V/
X
7R
C
549
0.
1uF/
50V/
X
7R
C188
NC/100pF/50V/NP0
C188
NC/100pF/50V/NP0
R552 2.2
R552 2.2
Q7
NPN_3DG3904M
Q7
NPN_3DG3904M
C390
2.
2uF/
10V/
Y
5V
C390
2.
2uF/
10V/
Y
5V
C545
3300pF/50V/X7R
C545
3300pF/50V/X7R
D16
BAT54S
D16
BAT54S
FB29
500/800mA
FB29
500/800mA
R1
9
56K/
1%
R1
9
56K/
1%
Q754
NPN_3DG3904M
Q754
NPN_3DG3904M
C191 0.1uF/50V/X7R
C191 0.1uF/50V/X7R
C58
0.1uF/25V/Y5V
C58
0.1uF/25V/Y5V
R220
51K
R220
51K
R18
11K
R18
11K
U12
CW1117-3.3V
U12
CW1117-3.3V
C565
NC
C565
NC
R825
10K
R825
10K
C189
0.1uF/25V/Y5V
C189
0.1uF/25V/Y5V
C550
0.1uF/50V/Y5V
C550
0.1uF/50V/Y5V
C981
10uF/
10V/
Y
5V
C981
10uF/
10V/
Y
5V
C65
0.1uF/25V/Y5V
C65
0.1uF/25V/Y5V
R12
7.5K
R12
7.5K
R827
10K
R827
10K
ZD751
ZMM27/27V
ZD751
ZMM27/27V
FB23
500/800mA
FB23
500/800mA
ZD752
BZV55C5V1
ZD752
BZV55C5V1
R23
22K
R23
22K
C985
22uF/
10V/
Y
5
V
C985
22uF/
10V/
Y
5
V
R836
10K
R836
10K
U17
 
G5725
U17
 
G5725
D543
MBRX140/40V/1A
D543
MBRX140/40V/1A
U712
 
LDO_G9091-330T11U
U712
 
LDO_G9091-330T11U
R762
4.7K
R762
4.7K
C59
0.1uF/25V/Y5V
C59
0.1uF/25V/Y5V
C66
0.1uF/25V/Y5V
C66
0.1uF/25V/Y5V
470uF/16V
CE542
470uF/16V
CE542
C1
01
0
0.
1uF/
50V/
Y
5V
C
1010
0.
1uF/
50V/
Y
5V
C8
5
0.
1uF/
25V/
X
7R
C
85
0.
1uF/
25V/
X
7R
FB30
500/800mA
FB30
500/800mA
C1
50
0.
1uF/
25V/
Y
5VC1
50
0.
1uF/
25V/
Y
5V
L18
2.2uH
L18
2.2uH
Q3
NPN_3DG3904M
Q3
NPN_3DG3904M
C4
0.1uF/25V/Y5V
C4
0.1uF/25V/Y5V
C86
0.1uF/50V/Y5V
C86
0.1uF/50V/Y5V
R1549
0
R1549
0
22uF/50V
CE13
22uF/50V
CE13
D5
42
NC
D5
42
NC
47uF/16V
CE540
47uF/16V
CE540
C540
0.01uF/50V/Y5V
C540
0.01uF/50V/Y5V
ZD535
BZV85C12V
ZD535
BZV85C12V
R720
1K
R720
1K
L532
INDUCTOR_3P L532
INDUCTOR_3P
C986
22uF/
10V/
Y
5
V
C986
22uF/
10V/
Y
5
V
C12
1000pF/50V/X7R
C12
1000pF/50V/X7R
R230
15K/1%
R230
15K/1%
R105
47
R105
47
R57
10K
R57
10K
C
149
0.
1uF/
25V/
Y
5VC
149
0.
1uF/
25V/
Y
5V
R560
2K
R560
2K
CE612
220uF/
35V
CE612
220uF/
35V
C103
0.1uF/25V/Y5V
C103
0.1uF/25V/Y5V
C551
NC
C551
NC
R104
47
Ÿ
R104
47
Ÿ
++
++
++
+ +
++
++
DV33
VCC
+12V
POWER_ON/OFF
POWER_ON/OFF
C391
C391
(1/7)
MAIN BOARD
A
1
3
8
6
E
2
9
D
5
B
C
7
F
4
Ver. 1.1
HT-CT260H
HT-CT260H
20
20
3-5.  SCHEMATIC DIAGRAM - MAIN Board (2/7) -
FROM HDMI BOARD
A+5V
HD_STB3.3V
DV33
DV33
HD+2.1V
+3.3V_STB
HD_STB3.3V
DV33
STB+5V
DV33
STB+5V
2
3
5
4
13
14
6
7
8
9
11
12
10
1
15
16
21
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
21
1
3
2
AINL
CKS1
AGND
VCOM
PDN
DIF
VA
VD
DGND
SDTO
MCLK
SCLK
LRCK
AINR
CKS2
CKS0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
GND
GND
C25
0.1uF/25V/Y5V
C25
0.1uF/25V/Y5V
R1534
4.7K
R1534
4.7K
R15
4.7K
R15
4.7K
R17
4.7K
R17
4.7K
U5
 
ADC_AK5358A
U5
 
ADC_AK5358A
ESD1
PESD5V0S1BA_5.0V
ESD1
PESD5V0S1BA_5.0V
C364
10pF/50V/NP0
C364
10pF/50V/NP0
R464
100
R464
100
R1556
3.3K
R1556
3.3K
CN2
24PIN/0.5mm
CN2
24PIN/0.5mm
C172 10uF/10V/Y5V
C172 10uF/10V/Y5V
ESD2
PESD5V0S1BA_5.0V
ESD2
PESD5V0S1BA_5.0V
CE7
10uF/10V/Y5V
CE7
10uF/10V/Y5V
R1535
4.7K
R1535
4.7K
C16
0.1uF/25V/Y5V
C16
0.1uF/25V/Y5V
R21
4.7K
R21
4.7K
R20
NC/4.7K
R20
NC/4.7K
C95
2200pF//50V/X7R
C95
2200pF//50V/X7R
R465
0
R465
0
R1536
4.7K
R1536
4.7K
FB5
500/200mA
FB5
500/200mA
C96
2200pF//50V/X7R
C96
2200pF//50V/X7R
R14
4.7
R14
4.7
R1537
4.7K
R1537
4.7K
C26
0.1uF/25V/Y5V
C26
0.1uF/25V/Y5V
C7
10pF/50V/NP0
C7
10pF/50V/NP0
D21
BAT54C
D21
BAT54C
FB27
500/800mA
FB27
500/800mA
C365
10pF/50V/NP0
C365
10pF/50V/NP0
C24
0.1uF/25V/Y5V
C24
0.1uF/25V/Y5V
C173 10uF/10V/Y5V
C173 10uF/10V/Y5V
C366
10pF/50V/NP0
C366
10pF/50V/NP0
R16
4.7K
R16
4.7K
R842
0
R842
0
100uF/16V
CE6
100uF/16V
CE6
FB28
500/800mA
FB28
500/800mA
R850
33
R850
33
++
AD_DATA
OPT_IN
AUX_L
AUX_R
M_CEC
HD_RST
H_MAIN_SCL
H_MAIN_SDA
AUX_R
AUX_L
AD_DATA
AD_BCLK
AD_MCLK
AD_LRCLK
H_MAIN_SCL
H_MAIN_SDA
HD_MCLK
OPT_IN
HD_RST
M_CEC
HD_SCK
HD_LRCK
HD_SDA3
HD_SDA2
HD_SDA1
HD_SDA0
ARC
(2/7)
MAIN BOARD
A
3
6
2
5
B
1
4
Ver. 1.1
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