JVC NX-F3B Service Manual page 30

Standard schematic diagrams
Front section
1
STANDBY
LED
R5501
91
F7 ONLY
ILLUMI
K2 LED
LED
R5512 R5522
150 120
R5514 R5524
150 120
0.24V
0.2V
RT1N231C-X RT1N231C-X
Q5511 Q5521
3.2V 3.2V
0.1V
RT1N431C-X 0.15V RT1N431C-X
Q5512 Q5522
3.2V
R5513 R5523
330 150
MIC2 MIC1
J3005 J3004
QNS0188-001 QNS0188-001
NQR0022-005X
K3801
DI511
QLF0195-001
FL DISPLAY
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
3.2V STANDBY G10
3.2V
K2 G11
3.2V ILLUMI IC501 G12
PT6315
3.2V DIMMER VEE
2.1V OSC S16
R5011 82K NC
S15
R5012 0
DI_DT 0V FL DRIVER
DI_DT S14
0
DI_CK R5013 0V
DI_CK S13
DI_CS R5014 0
2.9V DI_CS S12
0V
K1 S11
0V
K2 S10
3.2V
Ver.US/UT/UX/UW/UG/UA/EE
MIC AMP
R3901
1K
R3902
IC301
4.7K R3904 C3901
NJM4565E-X
C3907
8 R3915
3
1K
0.47/10
R3903 1 1K
3.3/50
4.7K 4
2
C3902
Q3901
2SC3928A/QR/-X
82P Q3902
2SC3928A/QR/-X
R3907 D3902
R3913
560K
10K MA111-X
R3805
22K
IC301
NJM4565E-X C3804 D3802
0.1/50 MA111-X
R3804
5
7
R3806 0
22K
6
C3803
NI
R3802
510K
TO MAIN PWB
CN411 OF
LVA10822-A1
CN561
QGF1208F1-19
REMOCON
IC531
GP1UE271XKC1
1 2 3 4 5
C5003
NI
G10
S17
-21.5V C5004
S5201 - S5216
0.1
QSW0683-001Z
S16
S15 R5201
3.3k
S14
S13
S5201 S5202
S12
OPEN/
S11 POWER
CLOSE
S10
R5211
3.3k
S5211 S5212
STOP SOURCE
FRONT JACK PWB
USB HEADPHONE
4 3 2 1
C3701
15p
C3702
15p
C3703 R3751
0.0018 1k
K3953
C3704
NQR0022-005X
0.0018
K3952
D3701
3
NQR0022-005X
K3951
1
2
NI NQR0022-005X
CN301 CN302
QGF1208C1-11
QGA2016C1-05
TO DVD MODULE TO MAIN PWB
FMU-MB8-21 CN203 OF
CN811 OF LVA10822-A1
LVA10629-A1
2-2
LVA10821-A1
FL PWB
Ver.US/UT/UX/UW
EE/UG/UA
MIC VOLUME VOLUME
ENCODER ENCODER
JS561 JS541
QSW0963-001 QSW0975-001
4 1 3 2 5 4 1 3 2 5
*S5203
F7:K2
F3:SURROUND
R5202 R5206
2.7k *
MODEL F7
S5203
K2/ R5206 62k
SURROUND*
KARAOKE KARAOKE
R5216 39k
R5212 R5213 R5214 R5215 R5216
2.7k 3.9k 6.8k 12k *
S5213 S5214 S5215 S5216
PLAY F.SKIP B.SKIP PAUSE
LVA10821-A2
R L
EP301
QNZ0136-001Z
F3
NI
NO
KARAOKE
NI