JVC AV-56WP74 Service Manual page 78

MAIN PWB CIRCUIT DIAGRAM (9/12) SHEET 9
-M2
PIN NO.
IC1703
1
2
3
4
5
6
7
8
SHEET 12
STB_3.3V
SDA1
SCL1
SDA0
SCL0
R1712
27k
R1713
D1712
SHEET 10 12k
Q1712 MA111-X
2SB709A/QR/-X
R1714
12k
X_RAY
D1713
0 C1712
10 /50
NRSA63J-0R0X
R1715 Q1713
33k
2SC2785/JH/-T
B1_POW
VOLTAGE (V)
IC1703
AT24LC32-48WP74
0
0
0
0
D1702 D1703
2.6
MA111-X MA111-X
2.6
0
3.1
R1702
100
C1702
1 /16 R1703
NCB11CK-105X 100
B1
D1704 D1705
MA8100/M/-X MA8100/M/-X
D1891
MA8082/M/-X
D1892
MA8082/M/-X
D1893
MA8051/M/-X
D1894
MA8051/M/-X
R1896
R1897
CN100C
QGA2501F1-06
No.52105
AV-48WP74 AV-48WP74
AV-56WP74 AV-56WP74
C1853 D1851
OPEN OPEN
CF1851
OPEN
R1851
OPEN
R1844
OPEN
IC1852
P20 R1845
OPEN
OPEN
P17
R1855 OPEN D1852 OPEN
R1856 OPEN D1853 OPEN
R1857 OPEN
IC1851
OPEN
C1854 R1860 R1858 R1859
R1846
OPEN OPEN OPEN OPEN
OPEN
R1847 OPEN
R1848 R1849
OPEN OPEN
C1851
OPEN R1868 R1869 C1857
OPEN OPEN OPEN
R1853
R1852
OPEN
OPEN
Q1851
D1854
OPEN
OPEN
Q1854
OPEN
R1861
OPEN
R1871
R1870
OPEN
OPEN
C1855
OPEN
R1872
OPEN
C1858 R1862
OPEN OPEN
Q1853
OPEN
C1859
C1872 R1854 R1863 R1873
OPEN
OPEN OPEN OPEN OPEN
C1722
OPEN
R1722
OPEN
IC1854
OPEN
C1724 R1724
OPEN OPEN
R1723
OPEN
56k
56k
CN10C1
OPEN
2-23 2-24
R1883
OPEN
R1880
OPEN
Q1860
OPEN
R1881
OPEN
R1882
OPEN
R1887
OPEN
R1886
OPEN
Q1861
C1871 OPEN
OPEN
R1875
OPEN
R1884
OPEN
R1876
OPEN
C1870
OPEN
C1861
OPEN IC1853
OPEN
R1877 OPEN
R1874
OPEN
OPEN
R1878
R1879
OPEN R1885 OPEN
R1888 OPEN
D1855 D1856
OPEN OPEN
C1723
OPEN
R1725 R1726
OPEN OPEN
No.52105
BASS_MU CN100G
QGF1201C2-17
HP_VOL
MECA_SW
REMO
STBVCC
ON_TIM
POW_LED
BS_5V
BS_5V
STB3.3V
STB3.3V
FRONT RELAY PWB
STB_GND
STB_GND
SHEET 23
EE_CDS
KEY1
KEY2
SCL0
SDA0
12V
12V
LOB_POW
X_RAY
AP_REQ
AP_CLK
SHEET 10
AP_DATA
ODU_PRO
FAN_LOCK
NOT USE
15/11_SW
ODU_SW
HP_MU
GR_RST