JVC KD-AR270 Service Manual page 50

QQ
3 7 63 1515 0
Standard schematic diagrams
Main amplifier section
TE
L 13942296513
C711
0.1
CN701
QGZ1601J1-15
www
2-21
http://www.xiaoyu163.com
J1
QNB0190-001
CD_R
CD_L
SW1
SW2
PSW
NPWDOWN
MSW
LM
NRST
IRQ
STAT
MLD
MDATA
MCLK
R759
R760
R761
C712
0.1
DETACH
R762
REMOCON
ENC1
ENC2
DIMOUT
LCDCLK
LCDDA
LCDCE
KEY0
KEY1
KEY2
x ao
y
Parts are safety assurance parts.
. i
When replacing those parts make
sure to use the specified one.
http://www.xiaoyu163.com
8
(For KD-G321, KD-G322)
TU1
QAU0443-001
0
B6
L1
4.7u 0.22u
L2
RDSDA
R77
2K
R71
R72 0
R76
X71 QAX0263-001Z
47k
R755
Q Q
3 6 7 1 3
AFS
NRST
POWER
R758
47k
47k
47k
47k
RDSDA
4.3k
47k R766
47k R767
0.1
C714
R708
47k
C8
0.1
R702
47k
C5
0.1
u163
.
2 9 9 4
TU_L
TU_R
RDSCL
R74 100
0
R78
IC771
BR24L16F-W-X
2.2K
0
C771
0.047
1 5 0 5 8 2 9
IC701
MN101C49KST
47k
R765
X702
R726
R721
R719
X701
QAX0667-001Z
C701 27p C702
27p
m
co
2 8
9 9
1/50
C92
R91
15K
R81
15K
C82
1/50
R1
R2
S
Q781
Q782
RT1P141C-X
RT1P141C-X
D782
UDZW11B-X
C
C
9 4 2 8 9 9
220
R748 VSCL
220
R747 VSDA
220
R746 TUSCL
220
R745 TUSDA
MCLK
STAT
MDATA
CH
MLD
10k
R744 DIMOUT
R742 R743 CD
100k
SW1
100K
2.7K
10k R741
DETACH
V
R740
47k R739
PSW
V
R738
47k 2.7K SW2
R737
R735
LCDCE
R736 47k PS
2.2k
22K
R734 RDSCL
STEERING
R733
2.2k
IRQ
PS2
4
INT
R
10k
REMOCON
R729
T
TP5
P
TP2
C
L701
R728
4.7u
47k
47k
47k
47k