CB251
CB231
W2151
CB232
CB233
W2152
W2153
W2154
IC234
IC237
IC236
IC233
IC232
IC235
W2251
IC238
CB235
CB234
CB253
CB255
CB257
CB252
CB254
CB256
W251B
W251A
W252A
W252B
A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
RX-V561/HTR-6050
68
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★
Components having special characteristics are marked
s
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
OPERATION 2/2
1.7
13.1
13.1
13.3
13.3
12.7
1.7
3.3
1.0
5.3
5.2
3.3
3.3
3.3
3.3
11.1
3.3
1.5
1.5
1.5
12.0
-11.8
-0.1
-0.1
-20.2
-20.4
AC 31.9
AC 10.7
AC 10.8
AC 5.1
-19.4
10.3
10.9
11.1
11.1
10.3
10.3
11.1
19.2
0
0
1.5
3.3
0
3.3
5.0
0
0
0
5.0
11.9
0
19.2
5.3
5.0
5.4
11.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5.5
5.5
AC 6.9
5.5
5.5
3.2
3.2
5.5
IC235
: NJM2388F05
Low dropout voltage regulator with ON/OFF control
ON/OFF
control
Over Voltage
Protection
Bandgap
Reference
V
IN
Cont
GND
V
OUT
Over Current
Protection
Thermal
Protection
IC232
: NJM2388F33
Low dropout voltage regulator with ON/OFF control
IC238
: LM61CIZ
Temperature sensor
IC236
: KIA7812API
Voltage regulator
R1
R2
R3
R4
R5
R6
R7
R8
Z1
Q12
Q13
Q18
Q17
Q14
Q19
Q10
Q8
Q16
INPUT
OUTPUT
COMMON (GND)
Q15
Q11-1
Q11
Q2
Q3
Q4
Q5
Q9
Q7
Q1
Q6
R12
R19
R10
R9
R15
R14
R16
R21
R20
R22
R23
R17
R13
R11
R18
C1
1
3
2
COMMON (GND)
IC237
: KIA7912PI
Voltage regulator
Q28
Q17
Q18
Q19
Q20
Q31
Q23
Q21
Q22
Q24
Q25
Q26
Q27
Q10
Q11
Q14
Q15
Q16
Q27-1
Q26-1
Q12 Q13
Q8
Q9
Q2
Q7
Q4
Q5
Q6
Q3
Q29
Q30
R0
R1
R2
R14
R17
R19
R20
R21
R22
R23
R24
R25
R26
R3
R4
R5
R6
R10
R11
R12
R13
D4
R9
R7
R8
C2
C1
R16
R15
R18
1
OUTPUT
INPUT
3
2
IC233, 234
: KIA7805API
Voltage regulator
R1
R2
R3
R4
R5
R6
R7
R8
Z1
Q12
Q13
Q18
Q17
Q14
Q19
Q10
Q8
Q16
INPUT
OUTPUT
COMMON (GND)
Q15
Q11-1
Q11
Q2
Q3
Q4
Q5
Q9
Q7
Q1
Q6
R12
R19
R10
R9
R15
R14
R16
R21
R20
R22
R23
R17
R13
R11
R18
C1
1
3
2
ON/OFF
control
Over Voltage
Protection
Bandgap
Reference
V
IN
1
4
3
Cont
GND
V
OUT
Over Current
Protection
Thermal
Protection
2
OPERATION (3)
OPERATION (2)
OPERATION (4)
AC IN
to OPERATION (1)_CB203
Page 67
K5
To POWER TRANSFORMER
To POWER TRANSFORMER
to MAIN (1)_CB103
P
age 69
I6
to HDMI_CB905
P
age 73
M7
to DSP_CB516
P
age 65
B9