Video Section - JVC NX-F7B Schematic Diagrams

Compact component system
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Video section

SCART_R
AGND
SCART_L
A13V
A5V
LINE_L
LINE_R
VGND
VGND
VIDEO_IPOD
M9V
MGND
MGND
D2V
D4V
D4V
A5V
VGND
VGND
CN661
QGF1040C1-27
Ver.
C4904
NC
J/C/UT
1
1
0.88V
DAC5(C)
2
0V
DGND
3
NC
4
0V
DGND
5
0.15V
DAC1(Y/G)
EP404
6
QZW0136-001Z
0V
DGND
7
0V
DAC3(Cr/R)
8
5.0V
S5V
9
0.3V
DAC2(Cb/B)
10
4.2V
D4V
11
0.4V
DAC4(Y)
12
2.0V
D2V
13
2.0V
D2V
14
0V
MGND
15
0V
MGND
16
0.3V
DIGI_IN
RX
17
9.3V
M5V
18
1.6V
DIGI_OUT
TX
19
9.3V
M9V
20
3.2V
DVDPWR
DVDPWR
21
3.3V
DVD_U2SDT
U2SDT
22
3.3V
DVD_S2UDT
S2UDT
23
3.3V
DVD_CK
SCLK
24
3.3V
DVD_SCS
SCS
25
3.3V
DVD_UCS
UCS
26
3.3V
DVD_RST
CPURST
27
DVD3
VIDEO
D3.3V
GND
DGND
VOLUME
K2
PRE AMP
VIDEO
KARAOKE
DAC
4
HEADPHONE
MICOM
FRONT
REGULATOR
FRONTJACK
A13V
VS1/MV1
VS3/MV2
BLNK/MDT
L6001
QQL25CK-221Z
220
C6001
470/10
VIDEO DRIVER
IC601
C6002
0.1/16
VCC
4.8V
VIDEO SW
C6221
C IN
2.0V
0.01
R6213
0
V_MUTE1
MUTE1 SW
3.1V
C6201
1/10
IC611
CV IN
NI
C6213
1.6V
NI
H
V_YCMIX
C6216
NI
VDD
YC MIX SW
0V
GND
C6212
C6211
1/10
V_SW/CALO
Y1 IN
SW
L
1.5V
NI
C6217
NI
GND
0V
C6003
BIAS
2.3V
22/50
V_LPF
LPF SW
3.1V
C6231
1/10
Y2 IN
2.2V
V_RGB
C6232
NI
RGB SW
3.1V
C6241
Cb IN
2.3V
1/10
V_MUTE2
MUTE2 SW
3.2V
C6251
Cr IN
2.3V
1/10
SIGN003153
NOTES:
POWER
1.VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER
AMP
OR OSCILLOSCOPE WITHOUT INPUT SIGNAL.
CONDITION
POWER-ON.
SOURCE:DVD/CD.DVD STOP.
2.UNLESS OTHERWISE SPECIFIED.
ALL RESISTANCE VALUES ARE IN OHMS.
1/16W, 5%.
ALL INDUCTANCE VALUES ARE IN H.
u IS uH.
ALL CAPACITANCE VALUES ARE IN F.
P IS pF.
3. "NI" MARKING PART IS NOT USED.
LVA10822-A1
LVA10821-A3
MAIN PWB
SCART PWB
Ver.B/E/EN/EV
CN601
QGF1208C1-17
CN641
Ver.E
QGF1208F1-17
0V
1
AUDIO_R
1
0V
2
AGND
2
Ver.E
0V
3
AUDIO_L
3
D6301
MA111-X
12.5V
4
+12V
4
0V
5
VS1
5
0V
6
6
VS3
5.0V
7
A5V
7
3V
8
BLANK
8
0V
9
VGND
9
1.5V
10
V/Y
10
0V
11
VGND
11
0.7V
12
G
12
0V
13
VGND
13
0.8V
14
B
14
0V
15
VGND
15
1.3V
16
R/C
16
0V
17
VGND
17
MM1623XF-X
C6004
0.1/16
VCC
4.8V
S-DC OUT
C OUT
2.34V
S1
Ver.E
L
H
R6302
75
S2
C6301
R6301
75
CV OUT
1.75V
470/10
GND
0V
Ver.E
R6332
75
Y1 OUT
2.0V
C6331
R6331
75
Y2 OUT
2.3V
470/10
R6342
75
GND
0V
C6341
Ver.E
Cb OUT
2.3V
470/10
R6341
75
GND
0V
C6351
R6352
75
Cr OUT
2.2V
470/10
Ver.E
GND
0V
R6351
75
J6401
QNZ0775-001
C6485
NI
C6451
0.01
22
R6485
0
C6482
C6475
NI
AUDIO R OUT
1/50
R6482
1
1k
AUDIO R IN
2
R6475
0
AUDIO L OUT
3
AUDIO AGND
4
C6472
C6411
47p
GND
1/50
R6472
5
1k
AUDIO L IN
6
R6411
0
B
7
R6455
1k
FUNCTION
8
1/4W
Q6453
GND
9
RT1N141C-X
11.5V
NC
10
Q6454
R6401
0
11.5V
0V
RT1N141C-X
G
11
C6401
47p
0V
NC
12
0V
GND
C6421
47p
13
0V
GND
R6421
0
14
R/C
15
5.0V
5.0V
BLANKING
16
Q6451
R6451
100
GND
RT1P141C-X
17
GND
0V
R6452
10k
18
CV/Y
19
3.0V
NC
R6441
0
20
Q6452
C6441
47p
GND
FUNCTION
SPEC(10kohm)
21
RT1N141C-X
0V
LEVEL
0
0-2V
23
1A(16:9)
4.5-7V
1B(4:3)
9.5-12V
BLANKING
SPEC(75ohm)
Y/C
0-0.4V
RGB
1-3V
R2114
R2836
91k
220
FR
C2142
12.5V
R2112
1/50
J6301
1k
6.3V
L-IN
C2814
Q2101
47/25
5.7V
2SC3928A
/QR/-X
R2113
C2141
R2111
100k
330p
NI
R2115
4.7k
R2215
4.7k
R2213
C2241
R2211
Q2201
100k
330p
NI
2SC3928A
5.7V
/QR/-X
J6301
6.3V
R-IN
R2212
12.5V
C2242
1k
1/50
R2214
91k
J6301
V
C6302
47p
1
Y
3
C6332
47p
4
Pb
6
C6342
47p
7
Pr
9
C6352
47p
IC261
GP1FAV30TK0F
C2063
C2061
47/25
0.1
0V
GND
3.3V
VDD
C2062
R2861
1.6V
NI
IN
DIGI_OUT
100
L2071
4.7
IC271
GP1FAV30RK0F
K2071
C2073
C2071
3.3V
NQR0502-001X
47/25
0.1
VDD
0V
GND
R2871
3.1V
OUT
C2072
100
NI
DIGI_IN
10K
75
AV
(SCART
TERMINAL)
AUDIO IN
VIDEO OUT
(COMPOSITE)
VIDEO OUT
(COMPONENT)
DIGITAL OUT
DIGITAL IN
2-9

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