JVC XV-NA7SL Schematics
XV-NA7SL
In regard with component parts appearing on the silk-screen printed side (parts 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)
2-1
XV-NA7SL
Block diagrams
DVD Servo control & AV decoder section (SHEET 1,2,3)
TO SHEET 5
TO SHEET 4
TO CN1
SHEET 6
CN511
TO JT911,JT912
SHEET 7
FW901
TO JT913
FW903
SHEET 7
IC505
SDRAM
IC509
AD0~15
Flash ROM
LADD4~19
27MHz
PWE0
LA0~3
IC512
X571
AD8~19
IC513
MUTE
AOUT0~2 SPDIF
CXI/O
IC501
AV Decoder
STD0~7
IC301
SODC
WAIT
(Super optical disc controller)
YOUT
/WR
COUT
CbOUT
/RD
CPUD0~7
CrOUT
S1OUT
SSPIN0
DECIRQ
CPUA0~17
ADSCIRQ
SSPCLK0
SSPOUT0
ODCIRQ
ODCIRQ2
LSIRST
REQ
INT/PROG
SRST
CLP
CPURST
IC451
EPROM
EPDO EPDI
EPSK EPCS
P. O N
AVCOMP
TCLOSE TOPEN LMMUTE
M9V
D3.3V/S3.3V
D5V/S5V/M5V
+12V
-12V
BDO OFTR
TBAL TE RFENV
FBAL FE TG AS
ARF+ ARF-
TESTSG JLINE
FEPEN CPSCK SDOUT SLEEP
FEP
IC101
TDOFS FODRV
IC201
4CH Driver
(Frontend prosessor)
T1CD T2CD F1CD F2CD
TR TC TD TA F2DVD F1DVD
T+ T-
F+ F-
CN101
FROM
Traverse
mechanism
(Pick-up unit)
FG
SPDRV
IC251
Spindle
IC401
Unit CPU
motor driver
SBRK SPMUTE
OSCI/O
DRVMUTE
TRVSW
VH
SM1~3
H1+~H3+
TRDRV TRSDRV
FM-
FM+
H1-~H3-
LM+
LM-
X401
13.5MHz
SWOPEN SWUPDN
CN201 CN202
FROM
Traverse
assembly)
mechanism
(Spindle motor
FROM
Loading
mechanism
2-2
Video signal output section (SHEET 4) For Asia
XV-NA7SL
TO SHEET 2
TO SHEET 3
COUT
YOU T
CbOUT
CrOUT
CYin
Cbin
CLP
NTB
PRO/INT
Cin
Vin
Yin
Crin
IC801
Cout
Vou t
Yo u t
CYout
Cbout
Crout
Video signal output section (SHEET 4) For Europe
TO SHEET 2
COUT
YOU T
Cin
Vin
Yin
CYin
IC801
Cout
Vou t
Yo u t
CYout
J802
S-VIDEO OUT
Composite OUT
Y
Cb
Component OUT
Cr
J801
S801
PAL NTSC
INT
S802
REMO
PROG
J802
S-VIDEO OUT
Composite OUT
CV/Y
G
CbOUT
CrOUT
TO SHEET 5
TO SHEET 3
Cbin
Crin
LCH RCH MUTE2
CLP
NTB
PRO/INT
Cbout
Crout
B
R/C
TO CN902
SHEET 7
CN801
J801
Y
Component OUT
Cb
Cr
S801
RGB
/COMPOSITE Y/C
NTSC
S802
REMO
PA L
2-3
XV-NA7SL
DAC & Audio signal output section (SHEET 5)
TO
SHEET 3
TO CN401
SHEET 8
TO
SHEET 4
CN704
LCH RCH
MUTE2
MUTE3
AOUT0 BCK
DCLK LRCK
DAC0SC DDATA
MUTE2
Front audio
DAC
IC703
OUT1C
OUT1D
OUT2C
OUT2D
LPF
IC741,IC751
MUTE LMMUTE
Q705,Q791
Q743
Q753
MUTE
Front analog
audio OUT
J700
TO
SHEET 3
Surround audio section (SHEET 8)
REAR
AUDIO DAC
IC411
CENTER/
SUB WOOFER
AUDIO DAC
IC412
TO CN704
SHEET 5
CN401
AOUT2
BCK
LRCK
D DATA
AOUT1
BCK
LRCK
D DATA
SPDIF
OUT1C
OUT1D
OUT2C
OUT2D
OUT1C
OUT1D
OUT2C
OUT2D
IC704
LPF
IC812,IC811
LPF
IC821,IC822
MUTE2
MUTE2
MUTE
Q401,Q402
MUTE
Q403,Q404
Coaxial digital
OUT
J701
Optical digital
OUT
J703
J401
REAR
ANALOG
AUDIO OUT
CENTER
SUB WOOFER
ANALOG
AUDIO OUT
2-4
System control & LCD display section (SHEET 6)
XV-NA7SL
Standby LED
D2
Remote control
IC3
Power switch
S1
Illumination
light 1
D4
Progressive LED
Q6~Q9
D3
DVD AUDIO LED
D5,Q5
Operation switch
S2~S7
STANDBYIND
REMO
POWERSW
EL1IND
PRORED
PROGRN
DVDAUDI O
CN7
FW3
Q2
CN2
KEYI0 KEYI1
CN3
P. O N
System
controller
IC2
BL
P. O N
AVCOMP P.ON INT/PROG CPURST
MUTE CLP TCLOSE TOPEN
SWUPDN SWOPEN LMMUTE
OSC1,2
NRST
SEG46~0
Q4,Q13
Illumination
OSC
X1
Reset
IC2
COM0~3
CN6 CN5 CN4
CN11 CN10 CN9
light 2
D11
LCD Display
DI1
Back
light 2
D10
Back
light 1
D9
TO CN511
CN1
SHEET 3
Power supply section (SHEET 7)
SCART Terminal
J902
Q910
AC IN
Line filter
L901
Switching
regulator
IC901
FEED BACK
Q911
AC-DC
PC901
LCH,RCH,MUTE2
AC-DC
D901
D904
C914
Q991
TO CN801 SHEET 4
R/C,G,B,CV/Y
Power
transformer
T901
CN902
AC-DC
D956
C982,C984
L957
AC-DC
D957
C987,C989
L959
AC-DC
D908
C965,C966
L952
AC-DC
D954
C979,C980
L955
AC-DC
D981
C975,C976
L960
D5V REG.
3.3V REG.
IC952
AVCOMP
IC951
J901
AV
COMPULINK
-12V
+12V
TO FW903
SHEET 3
D5V
JT911,JT912JT913
M9V
D3.3V
P. O N
B3.3V
TO FW901
SHEET 3
D998
C978
2-5
XV-NA7SL
< MEMO >
2-6
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