JVC KD-S31 Service Manual page 48

QQ
3 7 63 1515 0
Standard schematic diagrams
Main amplifier section
TE
L 13942296513
QGZ1601J1-15
www
2-13
http://www.xiaoyu163.com
J1
QNB0190-001
R33
1.5k
R38 4.7M
C33
R34 R35
1k 10k
2.2/50
C32 0.001
Q31
2SD601A/QR/-X
Q32
2SD601A/QR/-X
CD8V
CD_R
9V
CD_L
CDON
SW1
SW2
PSW
NPWDOWN
MSW
LM
NRST
IRQ
STAT
MLD
MDATA
MCLK
SW5V
CN701
C711 C712
0.1 0.1
DETACH
ACC5V
REMOCON
ENC1
ENC2
DIMMEROUT
R719 0
LCD.SCK
LCD.SO
LCD.CE
KEY0
KEY1
KEY2
x ao
y
. i
http://www.xiaoyu163.com
8
(For J2 version)
L1
4.7u
R31 1k
R32
1k
Q5
2SB1197K/QR/-X
R11
Q6
2SB709A/QR/-X
10k
Q4
UN2211-X
Q Q
3 6 7 1 3
R715 47k
LM
C702
0.01
NRST
DIMMEROUT
R712 4.7K
SCL
SDA R713 4.7K
R716 47k
R717 47k
R718 10k
R703 47k
R704 47k
u163
.
2 9 9 4 2 8
TU1
QAU0394-001
R91
R81
C96 0.1
C97 0.1
Q2
UN2211-X
Q782
UN2111-X
Q1
UN2211-X
1 5 0 5 8 2 9 9 4
IC701
LC723748-XXXX
R721
R749
R733
R732
R730
R731
R729
R756
R755
m
co
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
9 9
Q781
UN2111-X
2 8 9 9
C703 22p
X701
QAX0406-001Z
C704 27p
R37 0
FM.O
I
R740 10k
KEY0
R739 10k
KEY1
R736 10k
KEY2
47k
47k
47k
1K
10K
10K
47k
47k
47k