JVC AV-56WP74 Service Manual page 81

MAIN PWB CIRCUIT DIAGRAM (12/12) SHEET 12
POWER & DEF
PWB(1/2)
SHEET 19
CN1002
QGB1506L1-16
PIN NO. VOLTAGE (V) PIN NO. VOLTAGE (V)
IC1511 IC1991
1 5.1 1 13.2
2 3.2 2 11.7
3 0 3 0
4 5.1 4 2.4
IC1801 IC1993
1 5.2 1 4.9
2 3.1 2 0
3 0 3 0
IC1941 4 1.6
1 25.9 5 9
2 9.3 6 0
3 0 7 9
4 9 Q1981
5 2.1 E 9.1
IC1942 C 9.1
1 26.9 B 9.8
2 5.3 Q1982
3 0 E 0
4 4.9 C 0
5 2.1 B 3.1
IC1943 Q1983
1 28.5 E 0
2 3.4 C 6.2
3 0 B 0
4 1.2 Q1984
5 6.7 E 5.1
IC1981 C 5.1
1 28.5 B 0
2 2.7
3 0
4 1.2
5 6.1
POWER & DEF
SHEET 11
IC1991
PQ12RD11
H1991
OPEN
R1971
OPEN
R1991
D1991 R1993 470
OMR
OPEN
MA111-X
R1992 D1992
Y1952 C1991
C1993 OPEN
1.8k
0 100 /25
OPEN
GND GND GND GND
QRN143J-0R0X
C1992 Y1991
470 /16 0
IC1941 SI-8090S
H1941
L1941
GND
QQR1129-003
QRK126J-5R6X
L1952
OPEN
C1943
OPEN
C1942 R1941
GND 1000 /16 5.6
1/2W
D1941
R1972
8.2 RK34-LFC4
OMR K1943
R1943 R1942
CE42050-001Z
1.5k 1.5k
C1941
GND
1000 /35
IC1942
SI-8050S
D1946
MA111-X
H1942
CEHT11B-002QS
D1945
MA111-X
L1942
GND QQR1129-003
R1973
10
GND C1946 R1944 22 1/2W
QRK126J-220X
OMR OPEN
GND
GND
C1945
D1942
L1951 QEZ0256-128
OPEN D3S4M-F1P20 C1987
1200 /10
OPEN
K1944
CE42050-001Z
GND
R1945
1k
C1944
1000 /35
GND
IC1943
PQ1CG21H2FZ
R1974
OPEN
PTZ6.8B-X
OMR
L1947
L1950
GND QQR1129-003
0
QRN143J-0R0X
C1951
R1952
1000 /35
D1943 330 R1948
RK34-LFC4 GND OPEN
GND C1952
1/2W
1000 /10
Q1964
R1953 2SD601A/QR/-X
C1955
.1 /25
NCB31EK-104X R1949
220k
1.2K 0.5%
R1954
NRSA63D-122X
GND
Q1965
0
UN2213-X
GND
C1956
R1955
OPEN
OPEN
GND
D1811 D1812
OPEN OPEN
R1956
OPEN
Y1813 Y1814
OPEN OPEN
No.52105
AV-48WP74 AV-48WP74
AV-56WP74 AV-56WP74
PWB(1/2) LINE FILTER PWB
SHEET 19 SHEET 21
SHEET 10
CN100F
F QJB003-044214
CN1001
QGB1506L1-16
Y1821
GND
0
D1802 MA111-X
R1841 Q1841
OPEN
OPEN
R1801 OPEN
R1842
OPEN
Q1842 IC1801
OPEN TA48M033F-X
C1802
10 /50
GND C1805
OPEN
D1801
1SR35-400A-T2
Y1994
0
D1803
C1803
MA111-X
GND
47 /25
Y1995
0
L1943
R1968
33
1k
QQL26AK-330Z
R1969 C1947
1k
470 /16
GND
D1965
L1944
C1986
R1957 R1966
OPEN 33
OPEN
12k
MA111-X QQL26AK-330Z
QRK126-181K
C1948
470 /16
QETN1CM-477Z
R1967
GND GND
1.2k
GND GND
GND
R1947
Q1962 L1953 OPEN
1.5k 2SD601A/QR/-X
D1944
C1957
R1961 OPEN
OPEN
1k
GND
QQL26AK-220Z
R1965
1k
L1945
22
QQL26AK-220Z
D1964
R1958
OPEN MA111-X
R1962 C1949
1000 /6.3
6.8k
L1946
GND
22
QQL26AK-220Z
R1964
22k
R1963
C1961
1.8k
1 /50
R1946 GND C1950
GND
1k 1000 /6.3
D1962
MA3030/H/-X GND GND
Q1961
2SD601A/QR/-X
D1967
PTZ6.8B-X
L1948
10
D1968 QQL26AK-100Z
GND
C1988 R1811
R1959 IC1811
OPEN
1.8k OPEN
OPEN
0.5%
R1812
H1811
OPEN
OPEN OPEN
R1950
8.2k R1813 R1814
D1813
OPEN
R1815
OPEN
R1818
C1811
OPEN
OPEN OPEN R1817
OPEN
R1816
C1812
OPEN
GND
R1819
OPEN
2-29 2-30
-M2
14V
21V
32V
STBVCC
LB_PRO
STB_3.3V
12V
D1993
MA111-X
LOB_POW
TU_9V
IC1993 A5V
MM1565AF-X A5V
QRN143J-0R0X
C1999
Y1992
OPEN
0
Y1993
GND
OPEN
C1998 GND
OPEN
C1994
2.2 /16
GND
C1995 C1996
GND
2.2 /16 2.2 /16
9V
Q1981
AV_9V
2SC4685
BS_9V
TU_5V
R1981 C1981
SCL0
180 100 /16 SCL0
GND
R1921
1/2W
OPEN SDA0
SDA0
IC1921
R1922 R1923
OPEN
OPEN OPEN C1922
OPEN
C1921
OPEN
D1921 SDA +VS
OPEN
SCL A0
L1949
R1925
22
OPEN
D1923
OPEN 0.5 A1
R1926
OPEN
C1954
GND A2
1000 /6.3
R1927
Y1912 OPEN
GND OPEN
GND GND
5V
R1986 Q1984
330 1/2W 2SC4682-T
Y1954
C1983 0
OPEN QRN143J-0R0X
Y1955
OPEN
GND
BS_5V
IC1511 H1511
PQ3RD13 OPEN
A3.3V
A3.3V
D1511
OPEN
C1540
R1571 R1572 C1580
100 /10 R1573 OPEN D1512
0
OPEN OPEN
C1579 OPEN
47 /25 Y1953
OPEN
GND GND GND GND GND
3.3V
C1953 R1574
GND
OPEN
1000 /6.3
IC1981
PQ1CG21H2FZ L1982
22
QQL26AK-220Z
2.5V
GND
L1983 0
QRN143J-0R0X L1981
C1984
470 /35 R1984
8.2k
C1989 R1983
R1987 D1981 C1985
1000 /10 1.2k
220k RK34-LFC4 D1982 1000 /6.3
PTZ6.8B-X 0.5%
Q1811
NRSA63D-122K
QQR1129-003
OPEN
15/11_SW
Q1983
2SD601A/QR/-X
R1985
0
Q1982
C1982
UN2213-X
OPEN
GND OPEN
D1814
ODU_PRO
GND
D1815 OPEN
15/11V
ODU_SW
TU_POW
No.52105
SHEET 1
SHEET 9
SHEET 10
SHEET 9
SHEET 1,11
SHEET 10
SHEET 1
SHEET 10
SHEET 1,7,12
SHEET 5
NOT USE
SHEET 1,8
SHEET 1,11
SHEET 2
SHEET 10
NOT USE
NOT USE
SHEET 10
NOT USE
SHEET 1