JVC KD-LHX505 Service Manual page 48

Q Q
Standard schematic diagrams
3 7 6 3 1 5 1 5 0
Main amplifier section
R1601
20k
SB
DAC_FL
DAC_FR
DSP-INITIAL
R2601
20k
CODE1
CODE2
CODE3
PM+
PM-
PMKICK
RDS_CLK
RDS_DATA
RESET_7730
(SHEET 2) DSP_TUNER_IIC_SCL
DSP_TUNER_IIC_SDA
BUSENABLE
RFON
AFCK
PON
CDRESET
CDREQ
CDMUTE
DAB_ANT_POWER
T E
Chenger-L
L 1 3 9 4 2 2 9 6 5 1 3
Chenger-R
V-FR
V-RR
V-RL
V-FL
3.3V
(SHEET 3)
V-ATT1
V-MUTE
V-NAR
V-BUSY
V-ST
V-RESET
V-SD
V-SCK
V-ATT2
8V
GND
3.3V
9V
SW5V
C720
VDD5V
0.01
GND
C719
330/6.3 R716
(SHEET 2)
R717
R7002
KEY 47k
DETACH
DISPCE
DISPDA
DISPCK
C716
10V
PSAVE2
470p
ACC5V
P-VDD5V
RST_101E
REMOCON
w w w
C3804
2.2/50
R3805
R3803
27k
820
C3806
0.0082
R3807 R3810
R3808 0
2.2k
10k
R1602
33k C1604
120p C1605
R1603
4.7/25 Q3802
UN2111-X
12k
IC365
BD3805F-X
R3654
10k
R3655
39k
R2603
C2605
4.7/25
12k
C2604
R2602 120p
C3601
47/16
33k
R747 47k
R768 220k
R769 220k
R770 220k
R733 1k
R757 1k
R731 0
R729 1k DIM
R730 1k
R736 270
R735
10k
R796 R734 270
R719 0 BUSENABLE
0
R795 0 V-SCK
IC701
R748
MN101E01LCZ1
0
1k
1k
R751
12k REMOCON
R750 1k
R760 1k RDS_CLK
R752 KEY
1k
R759
1k BUSINT
R727 0
PSAVE2
R723 100
R724 100
R722 100
x a o
y
. X701 i X702
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C1801 C2801 R1801
0.1 0.22 100
R2801
100
CN381
QGA2501C1-03
R3922 470
R2924 R2925
10k 10k
C2921 R2921
4.7/25
10k
V-FR
C2922 R2922
1 10k
IC271
NJM2160AV-X
C2902 R2902
C2722
1 10k
0.1
V-RR
C3721 47/6.3
R2722
C2901 R2901 R2905
4.7/25 10k 10k 24k
R2904
D3921
10k
UDZS4.7B-X
R2702
24k
R3902 470
R1924 R1925
C1921 R1921 10k
10k C2702
4.7/25
10k 0.1
C3722
47/10
V-RL R2704
R1922
C1922
1 10k
R1724
IC171
NJM2160AV-X
C1722
0.1
C1902 R1902
1 10k
V-FL C3701 47/6.3
R1722
24k
C1901 R1901 R1905 R1705
R1904 10k 1k
4.7/25 10k
10k R1702
D3901 C3901
UDZS4.7B-X 47/10 24k
C1701
4.7/25
C1702
0.1
C3702
47/10
Q Q
3 7 6
L701
47
IC971
NAL0024-001X
IC703
BR24L32F-W-X C710
0.047
IC901
R943
100
D702 Q907
1SS355-X
UN2111-X
R754 R913
22k
1k
Q903
Q703
R704 R708 UN2213-X 2SB709A/QR/-X
47k
27k
ANTCONT
L702
47
C705 Q906
100/16
UN2211-X PON
JBUS_SI/SO
JBUS_SCK
R7116 100k
R7117 100k
R7118 6.8k
IC710
SN74AHCT126PW-X
u 1 6 3
C7101
0.01
R7107
100
R7111
100k
R7110
100
2-2
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2 4
8 9 9
R1451 820 R1453
R1452 820 R1454
Q1451
Q1452
2SD2114K/VW/-X
2SD2114K/VW/-X
Q2452
Q2451
2SD2114K/VW/-X
2SD2114K/VW/-X
R2451 820 R2453
R2452 820 R2454
R2724
36k
R2723
R951 2.2k
C2725 47k
Q952
2.2/50
UN2211-X
C2705
R2703
2.2/50
C2751
47k 1
C2771
1 FR-
36k FR+
C952
0.01
RR-
RR+
C953
10/16
36k
C1751
1
C1771
1 C954
R1723 4.7/25
RL+
C1725
47k
2.2/50
RL-
C1705 R1703
2.2/50
47k FL+
FL-
R956
R1704 36k 47k R953 R954
10k 0
R955
47k
3 1 5 1 5 0 8 9
IC975 IC973
BA033FP-X
TA48033F-X
C901
3300/16
D901
1N5401-F64
R9002
10k
D904 RB160M-30-X
R910
HA13164A
1k
Q901
UN2111-X
R917 10k
Parts are safety assurance parts.
Chenger-L
m
When replacing those parts make
R1501
100
sure to use the specified one.
c o
GND
.
Chenger-R
R2501
100
2
8 9 9
180
180
180
180
IC951
TB2901H
Q953
UN2213-X
Q954
UN2113-X
2 4 9 8 2 9 9
CN901
QNZ0611-001
SHEET 1