JVC NX-F3B Service Manual page 31

Local regulator section
LVA10822-A 1
MAIN PWB
DISCHARGE
Q9002
0V
NI
DISCHARGE
Ver.C/ J
SHORT WIRE FOR 120V SETTING
3 2 1
Ver.US/UT/UX/UW/UG/UJ
VOLTAGE
SELECT
S9901 QSW1255-001
V_HIGH V_LOW
1 2 3 LVA10821-A5
VOLSEL PWB
Ver. U
3 2 1
W991
QGA2001C1-03
3 2 1
3 2 1
CN4
CN981
QGA2501C1-06
3.3V B3.3V
+3.3V
6 6 6 6
0V BGND
POWER UNIT GND 5 5 5 5
0V TH_SAFETY1
ASS'Y THERMO 4 4 4 4
2.8V SYS_PON
P.CONT 3 3 3 3
QAL1059-001 1.8V INH
SYNC 2 2 2 2
3.0V AMPPWR_SPLY
VOLT 1 1 1 1
CN2
4 3 2 1
TO AMP PWB
CN103 OF
LVA10823-01A
DC/DC
CONVERTER
NI
11 10 9 8 7 6
D9003 GS1J-X
HS901
HEATSINK
IC901
SI-8008HFE-F3
21.9V 7.1V
VIN SW
1 2
3 4 5
1 2 3 4 5
R9002 R9003
2.7k 2.7k
R9004
100
C9011
R9005 1000/25
10k
0V
Q9001
RT1N141C-X
P.ON DRIVE
R9602
1k
0V
2.8V
Q9602
0V RT1N141C-X
FL
FILAMENT
UNF
1/4W
D9101 CP911
R9101
SK14-GA-X ICP-N10-T
2.2 F+
CP
C9101
330/16
F-
-VDISP
Q9111
ISA1530AC1/QR/X
-31.8V -21.6V
-VDISP
-25V
-22.2V
5 4
D3.3V
1 2 3
SYS_PON
!
Q9501
R9501
KTC3203/OY/-T
10
FR 13.2V 0.2V
1/4W
0.3V
TU9V
Q9502
RT1P141C-X
R9503
13.2V 1.4V
1k
13.1V
0V
Q9503
RT1N141C-X
AGND
F_TU
SYS_PON
F_IPOD
VSAFETY1
7 6 5 7 6 5
VSAFETY2
iPod
A5V
5V
V_
SAFETY2
1 2 3 4 1 2 3 4
Ver.C/ J
B3.3V
+B
GND
F+
F-
-VDISP
FLGND
D2V
D4V
A13V
M9V
MGND
D6V
D3.3V
DGND
TU9V
AGND
V_
SAFETY1
Q9801
RT1N141C-X
2.1V
0V
IPOD_5V
DGND
A5V
VGND
POWER_SUPPLY
K2
B3.3V
VIDEO
DAC
BGND
MICOM
! Parts are safety assurance parts.
When replacing those parts make FRONT
REGULATOR
FRONTJACK
sure to use the specified one.
VOLUME
PRE AMP POWER
KARAOKE
AMP
4
HEADPHONE
2-3