JVC AV-56WP74 Service Manual page 80

MAIN PWB CIRCUIT DIAGRAM (11/12) SHEET 11
C1623
OPEN
C1624
OPEN
C1621
OPEN
R1622
OPEN
AUDIO_L
AUDIO_L
R1640 C1626
OPEN OPEN
C1622
OPEN R1624
OPEN
AUDIO_R
AUDIO_R
R1625 C1627
OPEN OPEN
C1628 OPEN
R1626
OPEN
NOT USE
C1629 OPEN
GND
SDA0
SDA0
SCL0
SCL0
SUR_EFCT
SUR_EFCT
SUR_MONO
SUR_MONO
SUR_SW
SHEET 5
SUR_SW
BBE_SW
BBE_SW
BBE_LO
BBE_LO
9V
9V
SHEET 12
BS_5V
BS_5V
SHEET 5 AMP_MU
AMP_MU
12V
SHEET 12 12V
SHEET 1 S_MU
S_MU
SHEET 10 A_MU
A_MU
AS_MU
NOT USE
AS_MU
-M2
SHEET 1
R6011 R6012
0 0
IC1621
OPEN
C6001
R1629 C1630
10
OPEN OPEN
R1628
OPEN
IC6001
R1621 C1631
NJM2701M-X
OPEN R1631 OPEN
OPEN
C1632
OPEN
C1625
OPEN
R1630
OPEN
C1633
OPEN
GND
R1623
OPEN
C6005
R1627 4700P
OPEN
C1634
OPEN
R1632
OPEN
R6004
10K
GND R6006
1K
D1673 R1633 R6003
OPEN OPEN 1K
R6009
22K
D1674
GND OPEN Q6001
2SD601A/QR/-X
D1667
MA111-X
R1614
100k
C1695 C1696
OPEN 10 /50
QETN1HM-106Z
Q1673
R1613
2SB709A/QR/-X
1k
GND R1612
56k
Q1672
2SD601A/QR/-X
R1611
56k R1619
0
GND GND
CN100Z
OPEN
GND
No.52105
AV-48WP74 AV-48WP74
AV-56WP74 AV-56WP74
R6013 OPEN
R6010 OPEN
C6002
10
/50
/50 C6003 R1618
10 /50
N N OPEN
C6004 0.047
R1641 C1641
10 /50
R1642
1K 10 /50
22K
GND GND
R6001 R6002
10K 10K
EK
C6007
10 /50
C6006 C6008
GND
27000P 1 /50
C6009 R1651
100 /16 1K
R6007
R6008
5.6K
47K
R1652
C1651
22K
10 /50
0.047
R1644
Q6002
2SD601A/QR/-X OPEN
C6010
10 /50
GND
R1689 R1679
OPEN OPEN
R1690 R1678
OPEN OPEN
C1663
R1661 0
0
NRSA63J-0R0X
R1662 C1664
OPEN OPEN
R1657
C1661 OPEN
OPEN
IC1662
OPEN
GND
D1661 C1662
OPEN OPEN
C1667
10 /50
R1665
2.2k
R1664 C1666
OPEN OPEN R1666
N N 6.8K
R1663
0
C1670
R1669
10 /50
C1665 6.8K
0 GND
NRSA63J-0R0X
R1668
2.2k
C1686 R1695 R1697
OPEN OPEN OPEN
R1696
OPEN
IC1663
OPEN R1607
OPEN
Q1663
R1608
C1692
OPEN
OPEN
Q1664
C1683 GND R1609 GND GND
OPEN OPEN
Q1665
R1688 GND C1693
OPEN OPEN
C1684
OPEN R1610
GND GND
OPEN
C1697
47 /25 R1686
QETN1EM-476Z OPEN
C1694
OPEN
R1615
56k
GND GND
GND
R1616
15k
D1668 D1665
MA111-X OPEN
R1620 D1671
D1672 D1666
OPEN OPEN
OPEN OPEN
UN2213-X
D1669
MA111-X
R1656 D1670
0 OPEN
2-27 2-28
C1646 C1645
47 0.1 /16
/25
GND GND
C1642
C1643
/16 0.033 / 16
C1647
R1643
22 /50
22K
GND
IC1641
NJM2150AM- X
BBE
R1647
0
R1645
R1653
OPEN
C1652 22K C1653
/16 0.033 /16
R1649
10K
C1648
10 /50
GND
IC1661
H1661
AN5277
LC30145-001
C1669
1 /16
NCB11CK-105X
R1658
10k
CN10M1
C1690
R1667 OPEN R1699 BASS OPEN
2.2k OPEN
C1668
Y1661 0
100p
Y1662 0
Y1663 0
Y1664 0
C1671 C1678
100p 1000 /25 R1674 1k
C1672
QRK126J-102X
1 /16
R1659
R1670
10k
2.2k
C1688 C1677
OPEN 1000 /25 QGA2501C5-04Z
R1673
C1687 R1660 1k
OPEN OPEN QRK126J-102X
CN10AG
C1676
GND
0.12 OPEN
AU_GND QFV21HJ-124Z
OPEN
OPEN AU_GND
AU_VCC
R1601
OPEN OPEN
R1677
OPEN
Q1667
R1603 OPEN
R1691
OPEN
100k
R1676
R1602
OPEN
OPEN R1675
BLEV2
OPEN
BLEV1
Q1666 BASS_MU
OPEN
C1691
OPEN C1679
GND GND 4.7 /50
QETN1HM-475Z
R1682 R1680
10k
R1693 8.2k
Q1671
0 GND GND
OPEN
R1681
47k
Q1668 C1680
4.7 /50
GND GND GND
No.52105
PIN NO. VOLTAGE (V) PIN NO. VOLTAGE (V)
IC6001 8 0
1 4.5 9 0
2 4.5 10 0
3 4.5 11 0
4 4.5 12 0
5 4.5 13 0
6 9 14 0
7 0 15 4.7
8 0 16 0
9 0 17 0
10 4.5 18 0
11 4.5 19 29.5
12 4.5 20 0
13 4.4 21 10.5
14 4.4 22 0
IC1641 23 14.1
1 4.4 Q1668
2 0 E 0
3 0 C 0
4 4.4 B 2.5
5 4.5 Q1669
6 4.5 E 0
7 0 C 4.6
8 0 B -0.4
9 0 Q1672
10 4.8 E 0
11 0 C 11.6
12 9 B 0
13 4.5 Q1673
14 4.5 E 0
15 4.5 C 0
16 4.5 B 11.6
17 4.5 Q6001
18 4.5 E 0
19 4.5 C 1.3
20 4.5 B 0
IC1661 Q6002
1 0 E 0
2 0 C 0
3 0 B 0.6
4 0
5 28.2
6 0
7 0
NOT USE
AUDIO LR OUT
RECEIVER PWB
CN100M
SHEET 13
SHEET 12
NOT USE
SHEET 9