HT-CT180
HT-CT180
20
20
4-3. SCHEMATIC DIAGRAM - MAIN Board (1/6) -
• See page 28 for IC Block Diagrams.
A
3
6
2
D
5
B
C
1
4
(1/6)
MAIN BOARD
PLEASE USE THE PARTS HAVING THE DESIGNATED PARTS NUMBER WITHOUT FAIL.
* CAUTION :
THE PARTS MARKED WITH ARE IMPORTANT PARTS ON THE SAFETY.
+18V
1
2
3
1
2
4
1
2
3
4
6
7
1
3
11
8
9
12
2
1
3
4
1
2
4
3
CY506
220pF/250VAC
CY506
220pF/250VAC
D532
FR104/1A/400V
D532
FR104/1A/400V
C531
1500pF/1KV
C531
1500pF/1KV
RV501
VDR/620V
RV501
VDR/620V
R571
150K
R571
150K
C549
0.1uF/50V/X7R
C549
0.1uF/50V/X7R
470uF/35V
CE533
470uF/35V
CE533
R568
150K
R568
150K
R502C
1M
R502C
1M
CY501
470pF/250VAC
CY501
470pF/250VAC
ZD536
NC
ZD536
NC
R544
68.1K/1%
R544
68.1K/1%
CX501
0.33uF/250VAC
CX501
0.33uF/250VAC
CN501
2PIN/7.92mm
CN501
2PIN/7.92mm
ZD533
NC
ZD533
NC
C533
1500pF/1KV
C533
1500pF/1KV
FB501
FB90@100MHz
FB501
FB90@100MHz
R569 0
R569 0
R502B
1M
R502B
1M
D533
MUR420/4A/200V
D533
MUR420/4A/200V
FB504
FB90@100MHz
FB504
FB90@100MHz
CE535
470uF/25V
CE535
470uF/25V
R567
150K
R567
150K
R546
100K
R546
100K
FB502
FB90@100MHz
FB502
FB90@100MHz
R541
1.5K
R541
1.5K
R502D
1M
R502D
1M
ZD531
BZX79C12
ZD531
BZX79C12
R536
2M
R536
2M
ZD535
NC/BZX79C27
ZD535
NC/BZX79C27
R539
100
R539
100
C534
0.1uF/50V/X7R
C534
0.1uF/50V/X7R
R502A
1M
R502A
1M
R557
12.1k/1%
R557
12.1k/1%
47uF/35V
CE532
47uF/35V
CE532
R572
150K
R572
150K
R566
22
R566
22
R542
3.3K
R542
3.3K
82uF/450V
CE502
82uF/450V
CE502
CY502
470pF/250VAC
CY502
470pF/250VAC
U531
TOP256EN
U531
TOP256EN
C536
100pF/1KV
C536
100pF/1KV
C537
NC/1500pF/1KV
C537
NC/1500pF/1KV
R538
5.6
R538
5.6
U533
AS431
U533
AS431
TR501
NTC/3ohm/5A
TR501
NTC/3ohm/5A
LIF501
LIF4-22-15
LIF501
LIF4-22-15
R537
2M
R537
2M
T502
EF25
T502
EF25
47uF/35V
CE531
47uF/35V
CE531
R570 0
R570 0
C532
0.1uF/50V/X7R
C532
0.1uF/50V/X7R
D531
FR207/2A/1000V
D531
FR207/2A/1000V
R543 100K
R543 100K
R565
22
R565
22
R510
NC
R510
NC
CY507
220pF/250VAC
CY507
220pF/250VAC
MUR420/4A/200V
MUR420/4A/200V
BD1
KBP306
BD1
KBP306
U532
LTV-817S
U532
LTV-817S
C535 220pF/50V/X7R
C535 220pF/50V/X7R
F501
T3.15AL250V
F501
T3.15AL250V
R533
0
R533
0
R540
15
R540
15
++
++
++
++
C
S
D
V
F
CONTROL
X
C
S
D
V
F
CONTROL
X
++
-
+
-
+
VDD
D
FB
HV
HV
GND
HV
1
2
D
P-GND
FB
VDD
N.C
A12
A9
A122
A13
E
F
8
7