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JVC AV28R25EKS/C Service Manual page 62

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MAIN PWB CIRCUIT DIAGRAM [2/2]
MAIN PWB
SJL-1005A-U2
D701
R731
R730
*3
0
2.2k
C701
R703
0.1
1k
Q719
*2
Q718
R701
*1
R706
220
220k
*DEFFERENCE_LIST(*PARTS)
SJL-1005A-U2
Q716
2SK1374-X
Q717
2SK1374-X
R735
10k
R736
10k
R737
10k
R738
10k
R761
47k
R762
47k
R767
10k
R768
0
R769
18k
QGA2501C5
CN016
-05Z
5V
NOTE
X
:
OPTION(NON MOUNT)
BW
:
IM-BW
0
:
NRSA63J-0R0X
*1
:
2SC2412K/QR/-X
:
*2
2SA1037AK/QR/-X
*3
:
MA111-X
*4
:
MA3100/M/-X
*5
:
DTC124EKA-X
*6
:
DTA124EKA-X
*7
:
2SC1740S/QR/-T
*8
:
2SA933AS/QR/-T
CN005
QGB1506L1-16
(2/2)
C708
100/10
STB_5V
IC705
STB3.3V
MM1478DF-X
C707
STB2.5V
.1/16
4.9V 4.9V 3.2V 0V
R702
C705
4.7k
Q714
.1/16
*5
3.1V 0V
0V
4.8V
C704
C711
.1/16
220/10
D706
MA3039/H/-X
IC703
JLC1562BF-X
C713
.1/16
0V
4.8V
A0
VDD
0V
2.3V
A1
SDA1
2.2V
0V
A2
SCL1
0V
0V
NC
DAC
R709
0V
LR/
0V
NC
CENT
R707
10k
R710
0V
2.4V
0V
0V
BBE
S_COR
R708
10k
ON/OFF
R711
C712
0V
220/10
REG
Y/V
D707
C709
R712
1.8V
.1/16
R704
MA3030/H/-X
C710
0V
4.7k
VSS
EXT1/OTH
100/10
3.4V
4.9V
0V
IC706
R1170H251B-X
9V
12V
GND
CN004
POWER & DEF PWB
QGB1506L1-16
No.51941
AV28R25EKS
AV28R25EKS
AV28R250EKS
AV28R250EKS
R752
R751
C715
10k
5.6k
560p
CH
R753
Q706
22k
4.1V
4.7V
-0.6V
3.3V
0V
R726
68k
0V
C721
1/50
R727
OPEN
R713
10k
Q715
DTC124EKA-X
3.1V
0V
R794
Q701
4.7k
C749
0V
.1/16
0V
0V
2.0V
2.0V 2.2V 0V
0V
0V
1.7V 0V
0V
3.1V 0V
2.4V 2.5V 0.8V
10k
10k
X
10k
2.2V 2.3V 2.9V 2.9V 3.1V 3.1V 0V
3.1V 2.4V 0V
0V
1.9V 2.4V 0V
C748
.1/16
R735
Q717
*
*
S
R736
0V
G
*
IC702
3.1V
BR24C16
3.1V
R737
*
S
D
0V
G
3.1V
-28R25EK
R738
*
Q716
D
4.8V
*
MEMORY
D_DATA
D_CLOCK
3.1V
0V
3.1V 3.1V
VDD
RC
SCL3 SDA3
R739
C718
47k
C714
10/25
Q702
.1/16
8.9V
2.6V
YORCV
2.0V
L707
R740
8.2
A0
A1
A2
GND
3.3k
R741
QQL244K-8R2Z
100
R742
22k
C730
R743
CH
150p
R744
390
470
R765
10k
R745
C719
1.8k
X
2.5V
OSD_HP
0V
Q703
R746
47k
0V
R747
6.8k
R748
15K
R749
Q707
PROTECT
22k
Q704
3.1V
R750
47k
0.1V
2.5V
OSD_VP
0.5V
3.0V
0V
R766
C720
2.2k
OPEN
CN0C1
QGA2501F1-06
2-7
2-8
CN0RT
IC551
LA6515 ROTATION
7.3V 7.3V 6.4V 6.3V 0V
5.8V 5.8V 5.4V 5.4V
11.8V
R551
10
1/2W
C553
R552
R560
47/25
120k
100k
R556
R553
150k
R551,561
68k
QRK126J-100X
C554
C551
.22/16
.22/16
R554
80%
R555
80%
33k
R558
4.7k
R557
C555
C552
5.6k
5.6k
.22/16
.22/16
80%
80%
Q705
C732
C733
33p
39p
L708
CH
CH
4.7
QQL244K-4R7Z
0V
0.2V 0V
0V
0.8V 0.3V 3.1V 0.6V 0V
3.1V
0V
0V
0V
IC701
SDA555XFL
MICOM&TEXT
R777
1.7V 0.1V 2.7V 0V
0V
3.0V 0V
3.1V 3.1V
0V
2.3V 2.8V
1k
HP_DET
R778
1.5k
REMOCON
R772
CH
100k
D703
D702
C738
150p
R764
100k
KEY1
KEY2
C747
.1/16
R705
OPEN
Q713
R789
R779
10k
C739
27k
4.9V
6.1V
Q708
1/10
R790
80%
4.9V
0V
6.1V
1k
4.7V
2.4V
4.2V
R773
D705
4.3V
220
Q709
R793
1k
4.9V
Q711
0V
Q710
-0.2V
0V
R780
0V
R782
10k
R792
R774
10k
R775
0V
10k
47k
1k
D704
R781
MA3068/M/-X
10k
C731
OPEN
C740
560p
R783
6.8k
R784
33k
R776
47k
4.8V
0V
C741
0V
R786
C743
1/50
Q712
R785
.1/16
OPEN
15k
R787
33k
C742
R788
1/50
8.2k
No.51941
CN016
*
CN001
QGF1220C2-19
STB2.5V
HP_DET
HP_DET
GND
GND
KEY2
KEY2
KEY1
KEY1
STB_5V
GND
GND
REMOCON
REMOCON
P_ON/OFF
GND
H/P_L
H/P_L
H/P_R
H/P_R
C677
A_GND
.1/16
A_GND
A_GND
A_GND
LINK_IN
R791
1.5k

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