JVC KW-AVX900EU Service Manual page 57

TV section
DIVER-SELECT
IC901
CM0035AM
C901 R901 R902
0.01 22k 33k
5.0V 3.1V
EO VIDEOIN
4.8V 0.2V
VCOIN CSYNC
DIV FREQUENCY
VR901 4.7k
R903
4.0V 0.3V
RREF VDIN
10k 3.0V 0V
CREF ADV
C902 27p
0V 0.1V
AGND VMODE
0V 5.0V
TP906 DGND AVDD
TP905
0V 5.0V
NSOUT DVDD
R904
2.5V 5.0V
OMODE RESB
NI R905 1k 5.0V -.-V
ADET1 ANT1
R906 1k 5.0V -.-V
ADET2 ANT2
R907 1k 5.0V -.-V
ADET3 ANT3
R908 1k 5.0V -.-V
ADET4 ANT4
C925
0.001
J901
NNS0007-001X
C918 D901
0.001
1SS390
PRE-AMP
C924
0.001
C926
J902
NNS0007-001X C919 D902
0.001
0.001
1SS390
L903 L904
C923
NI NI
0.001
J903
C920
NNS0007-001X
D903
0.001
R927
1SS390
820
C922
L902
R928
0.001
1.5u 100
J904
NNS0007-001X
C921 D904
C931
R929
1SS390
0.001
820
0.001
ANT JACK
TV-TUNER
TU901
C915
R917
100
C914 470p 0.022
R916
C913
0.0033
47k
15 14
R915 4.7k
C912 0.01
L901
5V
C911 0.01 15u
R912 330
C979
R911 330
R910 330 0.1
R909
330
C938
0.001
5V
R934
82
R933
15k
8.0V
C927
0.9V Q902
2SC3585
0.001 /R/-A-X
0V
C928
9V
NI
9.1V
4.0V
Q901
2SD2114K
/VW/-X
3.5V
12 13
C948
R938
C966
10 0.01
0.047
RFAGC
C947 C967 0.001
6 5 4
R959 VR902
8.3V
0.001
C945
1.9V 1k
Q903 4.7k
*
2SC2404/CD/-X
C968 0.047
0.001 2.6V
1.1V
3.1V
1 2 3
C969
R961
3.1V
2k
0.1 2.6V
C970
2.6V
0.001
0V
2.5V
2.5V
C973 0.047 4.1V
1 2 3
C971 0.01
4.9V
*
C972 10/16
0.3V
R945
56k
6 5 4
R946 R947
2.2k 56k
NOTES
1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL.
CONDITION --- TV MODE.
2. UNLESS OTHERWISE SPECIFIED.
ALL RESISTORS ARE 1/10W +5% METAL GLAZE RESISTOR.
ALL CAPACITORS ARE 50V,25V OR 16V CERAMIC CAPACITOR.
ALL RESISTANCE VALUES ARE IN OHM.
ALL CAPACITANCE VALUES ARE IN uF(P=pF)
ALL E.CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE(uF)/RATED VOLTAGE(V)
F --- FILM CAPACITOR
3. NI STANDS FOR NOT MOUNTED PARTS
* MARK
REF U/UN/A/EU(PAL) EE(SECAM)
TU901 QAU0370-002 QAU0441-002
SF901 NAX0680-001X NAX0809-001X
SF902 NAX0681-001X NAX0810-001X
L908 NQL093K-1R2X NQL093K-1R2X
L909 NQR0510-001X NQR0591-001X
CF901 NAX0679-001X NAX0806-001X
X901 QAX0803-001Z QAX0889-001Z
(Fosc) (22.700MHz) (20.800MHz)
R913 NI NI
R971 NRSA63J-331X NRSA63J-391X
C965 NDC31HJ-100X NDC31HJ-120X
C980 NDC31HJ-100X NDC31HJ-120X
S-METER
TP907
(SOFT MUTE)
VR903
NI
R957
1k
TP908
C959
33 32 31 30 29 28 27 26 25 24 23
S DET
0.001
NQR0507-001X
C960 8
0.001
0V
RFAGCDL GND2
34 22
0V
IFAGCOUT 2NDLMT
35 21 R972 R973
R956 0V
0.4V
IFAGCIN SMA2
36 20
6.8k 39k 56k 9.1V
1.7V
SIFIN1 SMA1
37 19
9.1V
VIF/SIF 9.1V
SIFIN2 SIFC
38 18
9.1V C958
GND1 VCC2
39 17 0.01
IC902
4.1V C957
VIFIN1 AFCOUT
AN5186FB 0.1
40 16
0V
VIFIN2 AMDCOUT
41 15
R955
1.3V
2.2k
RFAGCOUT AMDC
42 14
C956
1.8V
VIFVREF AMDCIN
10/16
43 13
3.1V C955
AFTOUT SMETER
44 12 0.022
L911 9.1V
R971
1 2 3 4 5 6 7 8 9 10 11 15u
2.3V Q904
9.1V
R962 2SC2404
*
/CD/-X
1.6V
82 1 3
R948 2.7k R954
2
33k
CF901
*
R967
2.8V
R968
R953
68k
6 5 4 8
C975
2.3V
3.3k 68k
560p
L909
TP920
1 2 3 7
V DET
10.7M 7
L910
0V
TP916
0V
TP917
9.1V
TP918
QGA2001F6-13X
TP914
CN901
1 ENBL in
2 CLK in
R958
DATA in
3
2.2k
4 GND
+5V in
5
9V
6 +9V in
SD out
7
AUDIO R
8
9 GND
10 AUDIO L
11
GND
VIDEO out
12
AGC out
13
5.0V
Q905
TP915
2SD2114K
TP912
/VW/-X
TP911
TP910
TP909
TP913
LVA10739-A1
2-7