JVC XV-N420BUJ2, Service Manual

Page: 9 / 29

A
1
2
3
4
5
B C D E F G
FEP
(Front end processor)
IC101
4CH Driver
IC201
SODC
(
Super optical disc controller
)
and
AV Decoder
IC301
CN101
A B C D E F RF
CDPD DVDPD
SVREF
T+ T-
F+ F-
FODRV
TRDRV
TRSDRV
OPEN
FG SPDRV
RPBC
AMPSTBY
DFCT
BSUM
FE CE
MINTR
SCLK
SDATA
SDEN
INB IN
TE
SPDIF
AOUTL-
AOUTR-
YOUT
Cb/Pb
Cr/Pr
COUT
C/Cv/Y
AVC
64M SDRAM
IC302
Loading motor
Tray switch
S1
Tray illumination
D1 D2
Flash ROM
IC303
CN302
FROM
Pick-up
Unit
FROM
Spindle motor
assembly
CN201
CN202
WOUT
VOUT
UOUT
COM
FM+
FM-
LM+
LM-
CLOSESW OPENSW
TRVSW
REMO
FLDIN
CLK
STB
STBY
X301
LA0 to LA20
LWRL LOE
LCS3 LD0 to LD7
VID_XO
VID_XI
J602
J601
S-VIDEO output
Coaxial digital
output
Component
video output
Composite
video output
Analog
audio output
C
SPDIF
AVC J901
AUDIOL/R
Y
Y
Pb
Pr
PbOUT
PrOUT
C/Cv/Y
L702
L706
L730
L709
L701
OP.Amplifier
IC701
AOUTL+/- AOUTR+/-
Block diagram
CN501
FL Display
DI501
FL Display driver
IC501
Remote controller
IC502
F+ F-
K1 K2 SG1 to SG4 -VDISP STB FLDIN CLK
GR1 to GR7
SG1 to SG9
REMO
L707 IC704
AC IN
Line filter
L901
AC-DC
D903
Power
transformer
T901
Switching
regulator
IC901
AC-DC
D906
C909
AC-DC
D952,C982
AC-DC
D955,C954,L952
AC-DC
D953,C983,L951
AC-DC
D954,C955,L953
AC-DC
D956,L954,C957,C985
AC-DC
D957,L955,C956,C966
FEED BACK
PC901
AC-DC
D951,C950
Q951
2CH DAC
IC403
Operation switch
S501 to S508
-VDISP
+12V
-12V
CN901
CN902
CN903
B5.7V
M9V
B3.3V
F-
STBY
F+
K1,K2
SG1 to SG4
B3.3V
REMO
FLDIN
CLK
STB
Q952
CN905
CN303
CN301
AOUTL+ AOUTR+
AV
COMPULINK
CN503
CN1
CN4
2-1 2-2