JVC AV-27F577/R Service Manual page 37

CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM (1/2) SHEET1
CN002
ROUT
LOUT
R_ATSC
L_ATSC
AVSW PWB
CN5002
COUT
SHEET 3
YOUT
VOUT
Pr_GND
Pr
Pb_GND
Pb
Y_GND
Y
RTV
LTV
AGND
CN001 CN001
Y008
BW
Y004
BW10
DGND
K001
C001
BW
OPEN
K002
C002
OPEN
K003
C003
BW
OPEN
CN0E6
R008
4.7k
Q005
K008
0
L_ATSC
AGND
Y001 R_ATSC
BW
K004
C009
.01
COUT
YOUT
VOUT
Y
Pr
Pb
R003 0
Y_GND
R002 0 Pb_GND
R001 0
Pr_GND
DGND
Q004
C006 OPEN
C007 OPEN
C008 OPEN
C010 OPEN
Q003
C004
OPEN
Q002
Y009 BW10
C005
OPEN
K005
Q001 BW
Y002 BW10
C011 K006
OPEN BW
C012
OPEN
L001
C013
OPEN
C014
OPEN K007
Y007 Y015
BW BW TGND
CN0E7 CN0E5
OPEN
AGND
SDA2 Y103
BW15
R110
SCL2
3.9k
C121 C120 C119
R101 C118
.01 .01 .01
220 1/16
SDA2
C117
R102 10/50
220
SCL2
C116
4.7/25
C115
3.3/50
C101
AGND DGND 4.7/25
C114 R109
3k
IC101 .047
C102 R103
.0056 1M
R104
C113 R108
100k
.0027 3.3k
C103
.012/25
C104
1/16
C112
4.7/25
R105
SIF 10k
R106 C105
22k 4.7/50
R107
C110 C111
62k
4.7/25 4.7/50
C109
.01
TGND
C106 C107 C108
10/50 4.7/50 100/16
R291 R293 R294 R295 R296
OPEN 220k 100 100 100
2.5VD
C287
1.2VD 100 C288 C402 C282
.01 OPEN 100
C285
.01
3.3VD R289
150k C283
.01
R282
C222 R292 C237
.1/16 120k .1/16 3.9k
C286
.47/16
C284
2.2
TU_RST
IC201
Cr_IN
Cb_IN
Y_IN
C355
OPEN
Y016 BW15 L704
Y017 OPEN
L391 22
STB_5V
GND AGND
C016
OPEN
SDA1
SCL1
SDA2
SCL2
R319
2.5VA C301 1k
2.2/10
C302
R740
AGND .1
10k
Q352
*1
D305
OPEN
D306
R354
OPEN
0
D307
R355
OPEN
0
D352 C352
47
BT
R356
SIF
12k
Y010
BW
Y003
OPEN
CN0S3
CN00E
CRT SOCKET PWB
CN300E
SHEET 4
C626
OPEN
R623
OPEN
C621
4.7/50
ROUT R640
*
R649
R621 *
100
C640
*
R622
OPEN
AGND
*
R632
OPEN
C641
C631 *
R631
4.7/50
100
LOUT
R641
*
D681 Q682
DI *2
R683 R686 D683
15k DI
100k
R684
OPEN
C681 C682
OPEN OPEN R682
OPEN D684
Q681
DI
OPEN
C683 R685
R681 100/25 56k
OPEN
IC704
R707 R701
R739 L701 10k 10k
Y005 BW
BW15 100 C702 C701
10 10
R738 C710
4.7k .01
D705
L702
BW
C739
OPEN
IC703
C703
C708 C709
10/50
C704 22p 22p
100
R703 R710
100
4.7k
C728 D723 D702
.01 OPEN OPEN
C705
.01
R711 R811
C712 1k 1k
.01
C711
C706
100
.001
22
R729
100
C707
OPEN
R735
100k
Q730
R736
10k
C730 D730
.1/16 DI
GND
C807
.1/16
R769 R827
6.8k 1k
IC702
Q701
*2
R772
10k
CN00G
FRONT CONTROL PWB
CN600G
SHEET 5
(No.YA387)2-5 2-6(No.YA387)
NOTE : Refer to the part list for the part number of IC702.
R638
*
IC651
C647 C648
* * HS651
C642 C644
R642 R644
* * * * *
C651
4.7/50 R651 C652
4.7/50
8.2k
C654
R652
470
4.7k
R662
C661 4.7k C662
4.7/50
4.7/50
R661
8.2k
R636
*
Q651
R637
Q652 R655 OPEN
*
R643 R645 OPEN OPEN
C643 C645
* * * *
* * * *
Q661
OPEN
R656
OPEN
Y651
R639 BW15
*
Y652
OPEN
R690
3.9k AU_GND
R688
10k R689
R691
47k
1.2k
Y686 Y687
Q683
OPEN BW
Q684
*1
R672
15k
Q671
C671 R671
D685
10/50 OPEN
OPEN
Y688
BW15
R857 OPEN
R855 82
R868
OPEN
IC852
R869
L853
OPEN
R866
D863
C854 C853 OPEN
100 100 OPEN
L855
Q851
HS007 R867 OPEN
OPEN
GND
C861
GND 100/6.3
GND IC854
IC851
HS009
R853 R875
L854 L851 D854
R851 1.8k C859 L852 R856 OPEN OPEN
OPEN OPEN BW BW10
C851
D862 C860
470/25 C852
.1/25 OPEN C862
OPEN
D851
C858
IC855
R852 R854
12k 1.2k OPE N
GND
IC853
R858 D855
DI
HS010
C865
100/6.3
Y852
R859
OPEN
OPEN L859
D852
BW
DI
R872
OPEN
R873
OPEN
Y853 C857 C855
BW15 100/16 OPEN
C856
100/16 Q852 D884
R870 OPEN OPEN
OPEN
R871 D885 C878 R874
OPEN OPEN OPEN OPEN
IC856
GND
C873 C874
OPEN .027/25
C870
OPEN R865
10K
R862 L862
L860 L863 L861
3.3k D858 BW
OPEN
OPEN
R860
D861 C877
C871 OPEN
.01
C880 C879 D859
.01 OPEN R864 C875 OPEN
OPEN OPEN
C868 R861
R863
470/25 0
10k
D860
OPEN
MAIN PWB ASS'Y(1/2)
SGJ-1308A-M2 [AV-27F577/R]
SGJ-1302A-M2 [AV-27F577/S]
SGJ-1313A-M2 [AV-32F577/R]
SGJ-1301A-M2 [AV-32F577/Y]
SGJ-1307A-M2 [AV-32F577/Z]
CN00M
MAIN PWB(2/2)
AU_GND
SHEET 2
AU_VCC
Y685
OPEN
Y683
OPEN
9V
8V
15V
MAIN PWB(2/2)
STB_VCC
SHEET 2
EHT
EHT
V_OUT
V_OUT
H_OUT
H_OUT
FBP
FBP
EW
EW
BT
BT
LOB_PRO
3.3VD
L856
BW
2.5VA
R876
OPEN
C864
OPEN
R877
OPEN
R878
OPEN
GND
Y854
BW IC641 OPEN
C640 OPEN 4.7/25
C641 OPEN 4.7/25
C642 OPEN .0033
C643 OPEN .0033
L857
BW C644 OPEN .033
2.5VD
C645 OPEN .033
R879
2.2k C646 OPEN 22/50
C867 C647 OPEN 47/16
OPEN
C648 OPEN .1/16
R880 R881
2.2k 27k
C649 OPEN 10/50
R636 OPEN 10k
R637 OPEN OPEN
GND
CN0E3 R638 0 OPEN
R639 0 OPEN
LOB_PRO R640 OPEN 1k
R641 OPEN 1k
R642 OPEN 22k
R643 OPEN 22k
R644 OPEN 22k
R645 OPEN 22k
R646 OPEN OPEN
R647 OPEN 10k
R648 OPEN 10k
R649 OPEN 100
1.2VD
Y011 BW10
Y012
Y014 BW15 OPEN
Y018 BW15
AGND
DGND GND
AC
MAIN PWB(2/2)
SHEET 2
MAIN_POW
ABL