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JVC UX-G70A Service Manual page 44

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Video control section
GVA10128-A6
R4041
200
R4051
R4042
270
NI
R4043
200
0.5V
R4052
R4044
NI
0V
R4045
200
620
R4046
NI
R4053
R4047
270
R4048
150
200
1.1V
R4049
*
R4050
*
R4054
0V
620
3.1V
R-Y/R_OUT
1
0V
VGND
2
3.1V
B-Y/B_OUT
3
0V
VGND
4
3.2V
5
Y/G_OUT
0V
VGND
6
3.2V
Y_OUT
7
5V
D5V
8
3.1V
C_OUT
9
11.8V
12V
10
B4004
L4001
NI
4.8V
VMUTE
VMUTE
1
VIDEORGB
0V
VIDEORGB
2
VIDEORGB
0V
VIDEOYC
VIDEOYC
3
VIDEOYC
4.7V
VIDEO-SW
VIDEO-SW
4
0V
SCART-RIN
5
0V
AGND
6
0V
7
SCART-LIN
0V
VS1
8
0V
VS3
9
BLANK_CTL
0V
10
0V
DGND
11
1.5V
GAMEPOS
1
0V
2
DGND
*
PART NO.
REFERENCE NO.
B/E/EE/EN/EV
J/C/UJ
OTHERS
QGF1205F2-11
QGF1205F2-04
QGF1205F2-04
CN402
NRSA63J-511X
NRSA63J-151X
NRSA63J-151X
R4050
R4049
NRSA63J-511X
NRSA63J-271X
NRSA63J-271X
0V
Q4006
RT1N140C-X
0V
Q4007
RT1N140C-X
VMUTE
**J/C/UJ VERSION
ONLY
VIDEO SW
C4455
C4456
VIDEORGB
10/50
470/6.3
6
5
4
VMUTE
1
2
3
C4458
C4457
100/16
470/6.3
R4060
R4061
SCREEN_MODE
R4062
DIGITAL TRANSISTOR
R1
R1
KRC111S-X
NOTES
10K
1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL
R1
R2
VOLT METER OR OSCILLOSCOPE WITHOUT INPUT SIGNAL.
R2
10K
10K
KRC102S-X
CONDITION --- DVD STOP MODE
R1
2. UNLESS OTHERWISE SPECIFIED.
ALL RESISTORS ARE 1/4W
R1
R2
KRA102S-X
OR 0.063W
5% THICK FILM CHIP RESISTOR
R2
R1
10K
10K
ALL CAPACITORS ARE CERAMIC CAPACITOR OR
MYLAR CAPACITOR.
VIDEO DRIVER
C4050
IC401
0.1/16
BH7868FS-X
C4105
C4150
4.9V
2.2V
470/10
VCC1
C OUT
0.1/16
0V
0V
S1
S-DCOUT
C4106
1.4V
0V
S2
CV OUT
470/6.3
C4051
2.1V
1.4V
C IN
CV OUT SAG
0.1/16
4.8V
0V
MUTE1
GND
C4052
C4104
10/50
1.5V
1.4V
CV IN
Y OUT
470/6.3
R4055
10K
1.4V
0V
YC MIX
Y OUT SAG
R4056
1.5V
0V
10K
Y IN
GND
C4101
C4151
2.2V
1.4V
BIAS
Py/G OUT
470/6.3
22/50
0V
1.4V
CLAMP
Py/G OUT SAG
C4053
1.5V
0V
Py/G IN
GND
1/10
C4102
0V
2.2V
GND
Pb/B OUT
470/6.3
C4054
2.1V
2.2V
Pb/B IN
Pb/B OUT SAG
1/10
4.8V
0V
MUTE2
GND
C4103
C4055
2.1V
2.2V
Pr/R IN
Pr/R OUT
1/10
470/6.3
2.2V
4.9V
VCC2
Pr/R OUT SAG
C4059
0.1/16
**J/C/UJ VERSION
ONLY
R4212
75
B4106
R4203
C4201
30K
NI
R4201
C4203
27K
330p/50
C4204
R4202
330p/50
27K
NI
C4202
R4204
30K
B4115
3K
3K
3K
11.1V
11.1V
Q4203
Q4201
RT1P141C-X
RT1N141C-X
4.9V
0V
0V
0V
0V
0V
Q4202
4.9V
RT1N141C-X
Q4204
0V
RT1N141C-X
0V
ALL RESISTANCE VALUES ARE IN OHM (
ALL CAPACITANCE VALUES ARE IN
ALL E.CAPACITORS ARE SHOWN IN THE FORM
OF CAPACITANCE(
F)/RATED VOLTAGE (V).
ALL INDUCTANCE VALUES ARE IN
5% CARBON FILM RESISTOR
ALL FERRITE BEADS ARE QQR0621-001Z
3. NI = NO INSERT
2-6
J4001
C4001
100p
R4001
75
C4002
100p
R4002
75
C4003
100p
R4003
75
R4004
75
QNN0557-002
C
R4005
4
75
2
C4005
100p
J4002
QNN0557-002
R4006
75
C4006
ALL EXP J/C/UJ
100p
VERSIONS
B4006
505
ALL EXCEPT EUROPE VERSION
R4210
75
CN403
C4011
33p/50
QNZ0625-001
R4013
75
R4205
NI
R4015
75
R4206
C4007
NI
100p
R4007
75
12.1V
C4008
R4008
100p
75
C4009
100p
10.9V
R4009
75
R4011
100
R4012
10K
C4010
100p
R4010
75
EUROPE VERSIONS ONLY
).
F(P=pF).
H(m=mH).
2
SGND
Y
1
J4001
QNN0779-001
7
4
Cb
3
6
Cr
5
QNN0779-001
J4002
Y
3
1
6
5
J4002
QNN0557-002
7
8
9
J4002
QNN0557-002
SGND
SGND
0V
(AUDIO ROUT)
1
0V
(AUDIO RIN)
2
0.3V
(AUDIO LOUT)
3
0V
(AUDIO AGND)
4
0V
GND
5
0V
(AUDIO LIN)
6
1.6V
7
B
8
FUNCTION
0V
9
GND
0V
NC
10
0.6V
G
11
0V
NC
12
0V
GND
13
GND
14
1.6V
R/C
15
0V
16
BLANKING
0V
17
GND
0V
18
GND
0V
COMPOSITE/Y
19
0V
NC
20
0V
GND
21
CN403
QNZ0625-001
22
CN403
23
QNZ0625-001

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