Block Diagram - JVC XV-N420BEK2 Service Manual

Block diagram

FEP
(Front end processor)
IC101
5
SVREF
A B C D E F RF
CDPD DVDPD
FROM
Pick-up
T+ T-
Unit
F+ F-
4CH Driver
IC201
WOUT
VOUT
FODRV
UOUT
TRDRV
COM
TRSDRV
FM+
OPEN
FM-
FG SPDRV
4
RPBC
FROM AMPSTBY
Spindle motor
assembly
TRVSW
LM+ (
Super optical disc controller
LM-
AV Decoder
CLOSESW OPENSW
3
X301
VID_XO
VID_XI
64M SDRAM
IC302
2
CN1
Tray switch
S1
Scart terminal
1
Loading motor
A
AOUTL+ AOUTR+
2CH DAC
IC403
DFCT
SPDIF
BSUM
AOUTL-
FE CE
AOUTR-
MINTR
YOUT
SCLK
Cb/Pb
SDATA Cr/Pr
C/Cv/Y
SDEN
S1(FUNCTION)
INB IN
BLANKING
TE
RGB(VIDEOSW)
TO CN702
SHEET 3
AC IN
SODC
STBY
)
and
IC301
REMO
FLDIN
CLK
STB
LA0 to LA20
LWRL LOE
LCS3 LD0 to LD7
Flash ROM
IC303
LCH RCH Pr/R Pb/B FUNCTION BLANKING
G
2IN-1OUT SW
IC703
Y/COMPOSITE
Cv/Y VIDEOSW
B C
Y
L706
PbOUT
L730
PrOUT
L709
C/Cv/Y
L701
AOUTL+/-
AOUTR+/-
OP.Amplifier
IC701
BLANKING
FUNCTION
VIDEOSW
Y/G
Pb/B
Pr/R
Cv/Y
LCH RCH
AC-DC
Line filter
L901
D903
Power
transformer
T901
Switching
AC-DC
regulator
D906
IC901
C909
FEED BACK
PC901
TO CN904
SHEET 2
Tray illumination
Y/G
D1 D2
D E
2-1 2-2
SPDIF
IC704 L707
Operation switch
SG1 to SG4
S501 to S508
AC-DC
Q951
D951,C950
AC-DC
D952,C982
AC-DC
D955,C954,L952
AC-DC
D954,C955,L953
AC-DC
D953,C983,L951
Q952
-12V
AC-DC
D956,L954,C957,C985
+12V
AC-DC
D957,L955,C956,C966
GR1 to GR7
SG1 to SG9
FL Display
DI501
FL Display driver
IC501
K1 K2 SG1 to SG4 -VDISP STB FLDIN CLK
Remote controller
IC502
F G
J602
Coaxial digital
output
J601
Y
Pb Component
video output
Pr
Composite
video output
AUDIOL/R
Analog
audio output
K1,K2
F+
F-
-VDISP
B3.3V
REMO
FLDIN
CLK
STB
B5.7V
M9V
B3.3V
STBY
F+ F-
REMO