JVC XV-N50BK, XV-N55SL Schematics
XV-N50BK,XV-N55SL
SCHEMATIC DIAGRAMS
DVD VIDEO PLAYER
XV-N50BK,XV-N55SL
CD-ROM No.SML200304
TV DVD
STANDBY/ON
OPEN/
TV DVD
CLOSE
TV1 TV2 TV3
213
TV4 TV5 TV6
546
TV7 TV8 TV9
879
TV-/-- TV0 MUTING
010 +10
TITLE/
GROUP
U
N
E
CH
M
+
P
O
T
VOL VOL+
ENTER
C
CH
H
O
I
C
E
SELECTCLEAR
-
SLOW
3D
PHONIC
SUB TITLE
ANGLE
AUDIO
REPEAT
DIMMER
TV/VIDEO
CANCELRETURN
N
O
NEXTPREVIOUS
SLOW+
PROGRESSIVE
Area Suffix (XV-N50BK)
J -------------------------- U.S.A.
C --------------------- Canada
Area Suffix (XV-N55SL)
J -------------------------- U.S.A.
C --------------------- Canada
B -------------------------- U.K.
E ------ Continental Europe
EN ------- Northern Europe
EV --------- Eastern Europe
EE ---- Russian Federation
UF ---------------------- China
M
E
N
U
N
E
E
R
C
S
VFPZOOM
SCAN
AMP
VOL
Contents
Safety precaution ------------------------ 2-2
Block diagrams --------------------------- 2-3
Standard schematic diagrams -------- 2-7
Printed circuit boards -------------------- 2-15
COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LIMITED.
No.A0041SCH
2003/04
XV-N50BK,XV-N55SL
In regard with component parts appearing on the silk-screen pr inted side (par ts side) of
the PWB diagrams, the parts that are printed over with black such as the resistor ( ),
diode ( ) and ICP ( ) or identified by the " " mark nearby are critical for safety.
When replacing them, be sure to use the parts of the same type and rating as specified
by the manufacturer. (Except the JC version)
2-2
Block diagrams
Relay board section (SHEET 1)
XV-N50BK,XV-N55SL
FROM
Pick-up
Unit
FROM
Loading motor
assembly
FROM
Spindle motor
assembly
CN2 CN3CN1
T1CD T2CD F1CD F2CD RF+ RF- TR TC TD TA F2DVD F1DVD
LM+ LM- SWOPEN SWUPDN
FM+ FM- TRVSW VH SM1 SM2 SM3 H1+ H2+ H3+ H1- H2- H3-
FL Display & Operation switch section (SHEET 7)
FL Display
DI801
G1-G11
P1-P17
DIMMER1,2
IC801
PRORED PROGRN
K2
Power switch
S801
TO CN901
SHEET 8
F+ F-
STANDBY
CN801
-VDISP DOUT DIN CLK STB
Standby LED
D825
REMO
Remote controller
IC802
FL Display driver
K1
CN4
TO CN101
SHEET 2
CN802
CN852
DIMMER1,2
Q825,Q826,D822
Operation switch
S805,S806,S807
PROGRESSIVE LED
except Europe
K2
Operation switch
S802,S803,S804
D823
2-3
XV-N50BK,XV-N55SL
DVD Servo control & AV decoder section (SHEET 2,3,4)
TO SHEET 5
TO SHEET 6
TO SHEET 5
TO CN904
CN502
SHEET 8
TO CN902,CN903
SHEET 8
FW501
IC509
Flash ROM
LADD4-19
IC505
SDRAM
PWE0
AD0-15
IC512
IC513
27MHz
LA0-3
AD8-19
COUT
YOUT
X571
16.9MHz
CbOUT
CrOUT
S1OUT
CXI/O
LA0-LA3
AD0-AD3
OSC I1/O1
X301
GAINCNT
AOUTL
AOUTR
DA
IC402
converter
DOUTCNT AMUTE TX
PCMCLK
BCK
AOUT0
LRCLK
DACDENA
Decoder
IC501
AV
)
STD0-7
ADSCIRQ
ODCIRQ
ODCIRQ2
LSIRST
IC301
SODC
FG
SPDRV
SBRK
Super optical disc controller
(
DAC0CS
SSPCLK1
SSPOUT1
SODCCS
Spindle
motor driver
SCOMP
SPMUTE
IC251
S3.3V
TXD RXD TX INTP CPURST
TCLOSE TOPEN LMMUTE
S5V
D3.3V
A5V
D5V
M5V
M9V
-12V
+12V
2-4
BDO OFTR
TBAL TE RFENV
FBAL FE AS
ARF+ ARF-
TESTSG JLINE
FEPEN CPSCK SDOUT SLEEP
FEP
IC101
(Front end processor)
T1CD T2CD F1CD F2CD RF+ RF-
TR TC TD T A F2DVD F1D VD
T+ T-
FODRV
4CH Driver
F+ F-
TRDRV TRSDRV
IC201
TRVSW
FM+
FM-
CN101
TO CN4
SHEET 1
DRVMUTE
VH SM1 SM2 SM3
H1+ H2+ H3+ H1- H2- H3-
LM+
LM-
SWOPEN SWUPDN
Video signal output terminal section (SHEET 5)
XV-N50BK,XV-N55SL
TO SHEET 4
SCOMP
YOUT
COUT
L611
L601
TO SHEET 3
CbOUT
CrOUT
L612
L613
TO SHEET 6
AUDIOL AUDIOR
TO SHEET 4
S1OUT
Audio signal output terminal section (SHEET 6)
AMUTE
Q751,Q752,Q755,Q756,Q757,Q758
Y/COMPOSITE
G
B
R/C
MUTE
Pb
J602
S-VIDEO output
Composite video output
Y
Pr
J605
Component video
output
TO CN651
SHEET 8
CN631
TO SHEET 4
AOUTL AOUTR
GAINCNT
OP. AMP
IC751
TX DOUTCNT
OP. AMP
IC752
Only ver.
US,UB,UF,UP,UW,UG,UT,A
IC704
AUDIO-L/R
LCH RCH
J700
Front analog
audio output
TO SHEET 5
Coaxial digital
audio output
Optical digital output
J704
2-5
XV-N50BK,XV-N55SL
Power supply & system controller section (SHEET 8)
TO CN801
SHEET 7
FL ON/OFF
D951
AC-DC
F-
F+
CN901
Q951,Q952
C950
-VDISP
B3.3V
AC-DC
D952
C951,C953
5V
CN902,CN903
IC951
D5V REG.
D955
AC-DC
C958,C959
L952
AC-DC
M9V
D954
3.3V
+12V
-12V
L955
C967,C988
TO FW501
Q953
3.3V REG.
D953
AC-DC
C952,C955
SHEET 4
TO CN502
L951
SHEET 4
CN904
AC-DC
D956,L953
C963,C965
AC-DC
D957,L954
C964,C966
S902
REMO DIN DOUT CLK STB STANDBY
Interlace
J702
Progressive
PROG INT
AVCI AVCO
AV Compulink
Except ver.J/C
D901
AC-DC
L901
Line filter
AC IN
TCLOSE TOPEN SWUPDN SWOPEN RXD TXD INTP CPURST LMMUTE GAINCNT SCOMP
T901
Power
transformer
IC702
RESET
IC701
System controller
D904
C914
AC-DC
IC901
regulator
Switching
CN651
FEED BACK
SHEET 5
TO CN631
PC901
Y/COMPOSITE
GBR/C
AUDIOL/R
S1OUT
J603
SCART
X1
BLANKING
Terminal
(only Europe)
X2
X701
5MHz
S901
PAL
COMP/RGB
NTSCPAL
NTSC
Y/C
2-6
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