JVC HM-DH30000U Service Manual page 96

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4.22 DIGITAL (AUDIO AD/DA) SCHEMATIC DIAGRAM
5
4
TO MAIN(MAIN-TERMINAL)
CN7107
CN9801
NC
D/A_OUT[R]
GND
D/A_OUT[L]
GND
A/D_IN[R]
GND
A/D_IN[L]
GND
C_IN
GND
Y_IN
TO VIDEO IF
3
Y_IN
GND
C_IN
2
1
A
5 0
DIGITAL(AUDIO AD/DA)
R1827
4.7k
R1825
10k
C1830
100p
C1832 R1823
0.1 10k
C1834 C1836
OPEN OPEN
R1829
220
VCC
IC1803
BA15218F
VEE
R1830
220
C1835 C1837
OPEN OPEN
C1831
R1826
100p C1833
10k
R1824
0.1
10k
R1828
4.7k
C1838
0.001
R1832
10
C1839
OPEN
C1826 R1819 C1822
OPEN 10k 100p
R1815
10k
R1817 C1820 C1824
10k OPEN 100p
R1813
10k
VEE
IC1802
BA15218F
VCC
R1814
10k
C1821 C1825
R1818 OPEN 100p
10k
R1816
10k
R1820 C1823 C1827
10k 100p OPEN
R1840
0Ω
INPUT
VCC
R1841
GND C1842
100k
0.1
IC1804
GP1F32T
#DIFFERENCE TABLE : Used : Not used
SYMBOL Q1801 ~Q1804 SYMBOL IC1804
R1833 ~R1839 R1840
C1840 ,C1841 R1841
MODEL MODEL C1842
JPN /US YES
OPTICAL
OUT
EU/EK /MS NO
B C
The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
Note :
When replacing the parts , refer to the Parts List.
# #
R1837 Q1803
100k 2SC4081/QRS/
# R1833
10k R1843
0Ω
C1843
C1828
#
470p
C1840
0.1
#
R1835
390
B1801
OPEN
R1821
4.7k C1819 C1818
47 /16 47 /6.3
TO DIGI (VIDEO IF)
WR901
R1822
4.7k
#
R1836
390
C1816
#
10 /16
C1841
0.1
C1829
470p C1817
10 /16
# R1834
10k
# #
R1838 Q1804
100k 2SC4081/QRS/
R1802 1.8k
R1801 1.8k
R1803
1.8k
Published in Heiloo Holland
D
4-45 4-46
L1803
10µ L1802
10µ
R1831
330
L1801
# Q1801
10µ
DTA144WUA
#
R1839
TO DIGI (VIDEO IF)
1k
WR902
# Q1802
DTC144WUA
R1812
OPEN
T
C1814 C1815
0.1 4.7 /6.3
R1810 R1809 R1808 R1807
10 10k 10k R1811
1k
10
C1813
22 /6.3
R1842
0Ω
C1812
0.1
IC1801
AK4522VF
C1809
0.1
C1802
R1805
10 /16 R1806
0Ω 0Ω
C1801
10 /16
T
C1811 C1810
22 /16 0.1
T T
R1804
1.8k
C1808 C1806 C1805 C1807
4.7 /6.3 0.1 0.1 4.7 /6.3
E F
29/11/2016
TO
VIDEO_IF
SW5V
AL5V
AUDIO[-]
SW3.3V
GND
TO LAPRAS
DEM17[H]
DEM0
DEM1
DADI
ADDO
ASCLK
ALRCK
ACLK
LAPRAS_RESET
IEC
p20182001a_rev0.1
G H