JVC KD-AR270 Service Manual page 50

Standard schematic diagrams
Main amplifier section
C711
0.1
CN701
QGZ1601J1-15
2-21
J1
QNB0190-001
CD_R
CD_L
SW1
SW2
PSW
NPWDOWN
MSW
LM
NRST
IRQ
STAT
MLD
MDATA
MCLK
C712
0.1
DETACH
REMOCON
ENC1
ENC2
DIMOUT
LCDCLK
LCDDA
LCDCE
KEY0
KEY1
KEY2
(For KD-G321, KD-G322)
TU1
QAU0443-001
0
B6
L1
4.7u 0.22u
L2
RDSDA
R77 2K
R72 0
X71
47k
R755
AFS
NRST
POWER
R758
47k
R759 47k
47k
R760
R761 47k
RDSDA
4.3k
R762
47k R766
47k R767
0.1
C714
R708 47k
C8
0.1
R702 47k
C5
0.1
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
RDSCL
R74 100
0
R78
IC771
BR24L16F-W-X
R71
2.2K
R76
0
QAX0263-001Z
C771
0.047
IC701
MN101C49KST
47k
R765
X702
X701
QAX0667-001Z
27p
C701 C702
27p
1/50
C92
TU_L R91 15K
R81
TU_R
15K
C82
1/50
R1
R2
S
Q781
Q782
RT1P141C-X
RT1P141C-X
D782
UDZW11B-X
C
C
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 SW2
2.7K
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
R726
47k
47k
R721
47k
R719