JVC LT-Z32SX4B Service Manual page 90

ANALOG SIGNAL CIRCUIT DIAGRAM (2/5) SHEET 3
SHEET2
FRONT CONTROL
PWB ASS'Y
CN100R(SHEET19)
CN000R
STB_5V
GND
5V
BS_A3V
CN0011 CN0011
QGF0508F1-50X QGF0508F1-50X
Q402
2SK1374-X
1
2
3 GND
TEXT_FB1
4
5 GND
Q403
TEXT_FG1
2SK1374-X
6
7 GND
TEXT_FR1
8
9 GND
10
Q404
11 GND
2SK1374-X
12
13
14
EE_CDS
15
MECA_SW0
16
POW_LED
17
M_MUTE
18 Q405
A_MUTE 2SK1374-X
19
20
STB3.3V
21
22 GND
BS_A5V BS_A3V
23
CONNECTOR PWB ASS'Y 24
D13_YS1
R409
25
2.2K
CN1011 (SHEET18)
26
MAIN_POW
27 R410
C401
LB_PRO5
3.3K
28 ( LB_PRO)
AC_IN
29
POW_GOOD
GND
30
STB_5V
31
32
33
34
GND
BSHS
35
BSVS
36
ONTIMER
37 ONTIMER
REMOCON
38 REMOCON
KEY2
39 KEY2
KEY1
40 KEY1
41 GND
TV_V1
42 TV_V1
43 GND
MAIN_L
44 TV_L1/MAIN_L
45 GND
MAIN_R
TV_R1/MAIN_R
46
9V
47 GND
TV_V2
48 TV_V2
LIP_L
49 LIP_L
50 9V
GND
SUB_C
SHEET2
SUB_VY
9V
IC803
OPEN
C828 C826
OPEN 22 /25
R853
18k C850
C853
47 /16
Q853 R850
NPN
R851 L851
390 L6R8
R854
CH CH
R859
8.2k
820
C851 C852
56p
5V
R839
OPEN
R840
OPEN
Q810
OPEN
GND
SHEET6
SHEET4
BS_A5V
R402
10K
BS_A5V
R406
OPEN C834 C833 C832
R403
OPEN OPEN OPEN
10K
BS_A5V
R835 R832 R829
OPEN OPEN OPEN
Q809 Q808 Q807
R404 OPEN OPEN OPEN
10K
SCL3A5
R846 R845 R844
OPEN OPEN OPEN
BS_A5V
R407
OPEN R815 R814 R813
OPEN OPEN OPEN
R405
10K
SDA3A5
5V
L807
CORE3
C818
10/50
C819
CH
10p
C814
X801
0.01
16.2MHz
NAX0621-001X
C820 R816
.47/10 27k
C821
TB1274AF
0.01
IC801
R819
10K
COLOUR DEMOD./
R817
SYNC SEP.
10k
C822 R818
2.2/16 3.3k
B1
R803
3.3k
R801
C823
2.2k
Q801 C824
0.015
PNP 0.01
R802
2.2k
C801
R806
0.1
3.3k
R804
2.2k
C827 C835 R856
Q802
0.01
100 /6.3 1M
PNP
CH
R805
2.2k
C825
18p
Y801
0
R867
0
C855 C864
C878
0.01 0.01
0.1
C880
100/10
L865
L22
C856
0.01
L861 C857
L22 0.01
C881 C863
0.01
100/10
C886
C879 C858
18P 10/50 R862
0.1 0.01
330
R855
6.8k
OPEN
C862
0.1 R877
C859 0.47 CH
820
NCB31AK-474X
Q851 C861
PNP 680p
R852 L864
L100
390 C895
68p
56p
C887 C888
C884 L855
0.1 100/10
100/10
L862
C882
L100 C860
0.01
0.01
NQL904J-560X
C877
C883
L863
0.01
0.01
L100
C885
100/10
IC802
TC90A69AF-X
SHEET2
SHEET4
C831 C830 C829
OPEN OPEN OPEN
R826 R823 R820
OPEN OPEN OPEN
Q806 Q805 Q804
OPEN OPEN OPEN
R843 R842 R841
OPEN OPEN OPEN
R812 R811 R810
OPEN OPEN OPEN
C809
4.7/16
CF1
R838
OPEN
BS_A5V
L809 R893
CORE3 6.8k
D711
OPEN
GND
C711
10 /16
F
C712
GND 0.1 /16
L866 L867
L22 L22
IC711
CH C892
CXA1875AM-X
Q854
18P R869 C868
NPN
R891 5.6k 0.1
OPEN
R864 L852 R866
390 L6R8 0
Q855
C889
PNP
10/50
CH CH
R863 C865 C866 R865
820 56P 56P 390
CH
C894
Q858
18P R879
NPN 5.6k C872
R892
0.1
OPEN
R874 L853 R876
390 L6R8 0
Q859
C890
CH
PNP
10/50
CH CH
R873 C869 C870
R875
820 56P 56P
OPEN
C891 47 /16
C874
15p
Q863 R887 R885
CH
NPN 1k 12k
Q862
C876 R883
L854
NPN
0.01 470
L27
CH CH
R889 R888 R886 R884 C875 C873
1k 1k 5.6k 1.5k 10p 33p
GND
(No.YA209)2-13 2-14(No.YA209)
SHEET4
SHEET4 SHEET2
C403 OPEN
C404 OPEN
C405 OPEN
B1
C406 OPEN
B1
R723
OPEN
R718
D712
100
OPEN
GND
GND
ANALOG SIGNAL PWB ASS'Y (2/5)
LCA90350-15B (SFL-1031A)
BS_A9V
CN0012 CN0012 QGF0508F1-50X QGF0508F1-50X
LIP_R 1
BS_A9V 2
GND 3
SDA3A5 4
SCL3A5 5
SDA3B5 6
SCL3B5 7
GND 8
REC 9
GND 10
TV_L2/LOUT
11
5V
R412
GND
12
OPEN
TV_R2/ROUT 13
R413
5V 14
OPEN BS_A5V
GND 15
BS_A5V 16
GND 17
COMP_R 18
19
GND
COMP_L 20
GND 21
22
23
24
CONNECTOR PWB ASS'Y
25
CN1012 (SHEET18)
26
GND 27
28
GND 29
YUVSWPR1 30
GND 31
YUVSWPB1
32
GND 33
34
35
36
GND 37
38
GND 39
40
41
GND 42
YUVSWY1 43
GND 44
45
46
GND 47
48
GND 49
50
DSPRST
SHEET5
TEMP
HP_VOL
CODECRST
SHEET5
HP_MUTE
HP_DET
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