Block Diagram - JVC MX-JD8 Service Manual

Block diagram

DVD control section
A, B, C, D, E, F, RF+, PD(CD), PD(DVD)
DVD pickup
LD(CD)
LPCO1, LPCO2
mechanism
LD(DVD)
CDLDCUR
Q101
DVDLDCUR
to
Q104
X351
IC301
27MHz
DV2.2
FM+/- SPDRV, TRSDRV
WOUT FODRV, TRDRV
F+/-
/DRVMUTE
VOUT
T+/-
UOUT /SPMUTE
IC201
COM FG, VHALF
DVD traverse
DRVER
mechanism TRVSW
Video output section
NTSC/
NTSC/PAL
PAL
AM
VMUTE1
SWITCH IC100
VMUTE2
Tuner
VIDEO
INT/PROG
DRIVER FM
Cr Cr_OUT
COMPONENT
Cb_OUT
Cb
VIDEO OUT
Y CY
Y Y-OUT
S-VIDEO
CY, CbOUT, CrOUT
V
COMPOSITE
COUT, YOUT
VIDEO OUT
C C-OUT
VMUTE1, VMUTE2
INT/PRG, NTSC/PAL
External input / Source selector switch
System control section
OPTICAL
SPDIF
OUTPUT
AUXL, AUXR
AUX IN
X801
Except for UW
OSC
COMPU
AVC AVCI,AVCO
Q806
AV LINK
OPENDET
CLOSEDET
DVD
OPEN
LM+
IC410
MECHANISM CLOSE
LM-
DRIVER
Tape mechanism section
MOTOR
Q307, Q309
MOTOR
DRIVE
Cassette
mechanism MTR+,SOL A,SOL B
SLCKEY1, SLCKEY2, END SW1, END SW2
EXADT0 to 15, EXADR16 to 20
NEXWE, /FL_RST
MA0 to 10
BA0, BA1
IC512,IC513
EXADT0 to 15 LADD0 to LADD15
MDQ0 to 31
ADDRESS
DQM0 to 3
NEXCE
LATCH IC506
NCSM, NRAS
NEXOE
NCAS, NWE
MCK IC505
AOUT 0 to 2, BCK, PCMCLK
SDRAM LRCLK, DACPDN, DAC0CS
DAC1CS, DAC2CS, DCLK, DDATA IC701 to IC703
DAC
IC704
AIN AINL, AINR
ADC
DAC1OUT
S2UDT, U2SDT,
to TX
SCLK, SCS, CPURST
DAC5OUT UCS, LRMUTE
CN522 CN523 CN531
SPDIF
U2SDT
SCLK
TUCLK,TUCE S2UDT
UCS
TUDATA,SDATA SCS
IC815
CPURST
LRMUTE
BUFF.
TUL, TUR
LRMUTE
DSPDATA
DSPCLK
IC510
DSPCE
VIRTUAL
SURROUND
S.BOOSTER
IC480
SOUND
BOOSTER
IC460
AUXL
VOLUME
AUXR
S2UDT,U2SDT
VOLDA
SCLK,SCS
VOLCLK
UCS,CPURST
VOLCE1
PBL
IC810 AUXL
PBR
AUXR
SYSTEM UW only
MICOM
EEDATA
EECLK IC801
EEPROM
SOLB SOLA
A/B, RMUTE IC300
Q312, Q313 Q310, Q311
PBMUTE
MECHA
SOLENOID SOLENOID
MICOM
DRIVE B DRIVE A
Q360,Q362 to Q366
RECH
HEAD SWITCH
DC regulator section
IC509
FLASH ROM
IC250
DVD5V
DVD5V REG.
/CE
/OE
MOTOR 9V
FAOUTL, FAOUTR
RAOUTL, RAOUTR
IC270
CAOUT, SWAOUT
5.6V MICOM 5.6V MICOM
REG.
SLC12V
IC290
9V REG.
9V REG.
CN524
FAOUTL+
FAOUTR+
IC400,IC401
FW207
LPF &
CN217
PRE-AMP
SLIN
SRIN
VOLDATA
VOLCLK
VOLDATA
Q410, Q420
VOLCE2
VOLCLK
SURL
Q421
IC590 VOLCE3
SURR
LR MUTE
VOLUME
FL IC500
C
RECL
FR
RECR VOLUME
IC530
IC550,IC551
RECL
IC531
SWFB
RECR
Q550 to Q552
INPUT
AHB CONTROL
AMP
IC575 IC580
SWITCH HPF
Except for UW
RECL
IC521
RECR
MIC
Q585 to Q587
MIX
SYSTEM
MUTE
Q520, Q521
MIC MUTE
SMUTE
MIC_MUTE
SBLED, AUXLED,TUNERLED
DVDLED,TAPEALED,TAPEBLED
KEY1 to 3,ECHO1, ECHO2/AUXR
FLBK, FLDATA, FLCLK,FLLATB,REMIN
KEY4,SBYLED, VOL+, VOL-,FLLED
CN880
CN890
FL display section
D925
STBYLED
PBL,PBR
STANDBY LED
RECL,RECR FLLATB
PLAY
L+, R+
S920
BACK
KEY1
IC920
HEAD POWER SW
DISPLAY
JS920
VOL+/-
L+, L–,
MICOM
MAIN VOLME
R+, R–
RP
MECHA
IC930
REMIN
HEAD
REMOCON
Primary section
Q2010
S1
37V REG.
IC260
MOTOR
D2010 to D2013
9V REG.
DIODE BRIDGE
FL1
S1
FL2
S2
37V
IC280
CN101 CN119
SLC12V
REG. FW109
S4H
S4H
S4L S4L
SLOUT
SROUT
COUT
IC121
SURROUND
SRELAY
POWER AMP.
S1
D201 to D204
DIODE BRIDGE
CIN
VH,-VH
F.SPEED
CN202
SRELAY
CN212
IC602,IC701
SWIN
POWER AMP.
SWIN
SWFB
PRT
MAINL
MAINL
MAINR
MAINR
Amplifier
PRT
section
F.SPEED
SRELAY
User control keys
Microphone circuit section
MIC
SBLED, AUXLED, TUNERLED
DVDLED, TAPEALED, TAPEBLED
UW only AUXL
AUXR
AUXL
CN454
AUXR
FLDATA
FL1 ECHO1
FLCLK
ECHO2/AUXR
FL2
FLBK
37V
DI,BK
IC900
CLKB
MIC/AUXL, ECHO2/AUXR
BUFFER
P1 to P37
G1 to G11 FL910
FL DISPLAY
FLLED D926
LED
AC IN
T001
S500
POWER
VOLTAGE
TRANS.
SELECTOR
SWITCH
S4H
S4L
SPEAKER
Audio output section
TERMINAL
(Surround / Center output)
SURR L/R OUT
RY240
RY241 CENTER OUT
FANSPEED
IC230
S4H
FAN12V REG.
S2
D211 to D214
DIODE BRIDGE FAN12V
VL,-VL
Audio output section
SPEAKER
(Main / Sub woofer output)
TERMINAL
MAINLOUT
MAINROUT
MAIN L/R OUT
SWLOUT
RY160
SWROUT
SUB WOOFER
RY170
L/R OUT
Q190 to Q194
HPMUTE
H/P MUTE
Q181
FAN+/-
FANCONTROL
FAN
DRIVER
TO FAN
STATUS
CN105
FW116
HPL
HEADPHONE
HPR
JACK
D933 to D938
SOURCE LED
S939 to S955
KEY1 to 33 MIC JACK
S960 to S967
SWITCH KEY
Except for UW
IC970 IC971
ECHO MIX MIC AMP.
MIC JACK /
AUX JACK
2-1