Block Diagram - JVC UX-QD70S Service Manual

Block diagram

MD servo control section
LM+, LM- IC411
SWITCH
LOADING
MOTOR
DRIVER
CAM1
CAM2
APCOM
MD LOADING
CAM3 LOAD
CAM4
MOTOR EJECT
SPDM, SPDP
LDON, CLV2
FODM, FODP
RFSWPG
TRDM, TRDP
RFSWHL
TVDM, TVDP
APCD, ADIP
TRACKING
AA, BB, CC
COIL
DD, FF1, FF2,
MON3T, NREC
A, B, C, D, E, F
FOCUS
BOTM, PEAK
RF1, RF2
COIL
ILCC, PD
IC310
NRFSTBY, TFMP
RF
PICKUP
LDRVON, DRVON
MHON
FCS+, FCS-
TRK+, TRK-
IC410
SWITCH
SM+, SM-
MOTOR
FM+, FM-
DRIVER
FEED
MOTOR
MAG MAG+, MAG-
SPINDLE
HEAD
MOTOR
DVD servo control section
A, B, C, D, E, F, RF+, PD(CD), PD(DVD)
DVD traverse
LD(CD)
Q101
LD(DVD)
mechanism
to
Q104
LPCO1
FM+/-
LPCO2
WOUT F+/-
CDLDCUR
VOUT T+/-
DVDLDCUR
UOUT
IC201
COM
DRVER
DVD traverse
SPDRV,
TRVSW
mechanism
TRSDRV
FODRV
TRDRV
/DRVMUTE
/SPMUTE
FG, WHALF
IC301
DV3.2
MA0 to 10
BA0, BA1 EXADT0 to 15
MDQ0 to 15 EXADR16 to 20
DQM0 to 3 NEXCE
NCSM, NRAS NEXOE
NCAS, NWE NEXWE
IC505 IC509
SDRAM FLASH ROM
IC390
DRAM
COMPONENT
RDT0A to RDT3A
VIDEO OUT
RAD0A to RAD11A
LRCKI
NWEA, NRASA
DATAI
XBCKI
IC350
DSP A
SDAR
SWS
SCL
FS384
DOUT
SSDR
DIN0
SSDW
DIN1
LOUTA/B
ROUTA/B
IC460
LIN, RIN
ADC
COMMAND
STATUS
COMCLK
STRDY
SET1, SET3
MODESE
RESET
CDTNO
CDCOPY
IC500
CDEMP
MCU
EFM DO, DI
SCL, CS
IC450
M.HEAD IC590
DRIVER
EEPROM
Jack section (Joint)
FAOUTL
IC701
FAOUTR
DAC
SPDIF
IC802
IC803
INDEX, TRACK
BUFFER
COPY, AOUT0
OUTL
BCK, LRCLK
OUTR
DOUT
SCLK
DAC1OUT
U2SDT, UCS
DAC2OUT
DAC3OUT
IC801
DAC4OUT
DAC5OUT BUFFER
S2UDT
LRMUTE, SWMUTE
SCS
UCS, SCS, SCLK
CPURST
U2SDT, S2UDT
CPURST
LED & DVD
loading section
(DVD loading)
TRAY
X301
SWITCH
27MHz
LOADING
MOTOR
LED & DVD loading section (LED)
D1, D2
LED
Jack section Main section
Y
Cb
Cr
OPTIN COMPLINK
OPTOUT
OPTIN
OPTICAL IN
OPTOUT
OPTICAL OUT
COMPLINK
AV COMPULINK2
IC601
COMPOSITE
VIDEO
S/COMPOSITE
SDC, YOUT
DRIVER
VIDEO OUT
AUXL AUXL
AUXR
AUXR
AUX
IC311
DVDL
FUNCTION INL, INR
DVDR
VOL IC
DOUT
VOLCK
VOLCE
Q1103
VOLDATA
Q1203
TUL
Q1302
TUR
S.MUTE
POUTAMP
SW10V
OPTIN LIN MDL
DOUT RIN MDR
FANON
MDSTAT
MDCMD
MDRESET
CN102 CN103
CN707 CN706
MDSTAT VS1, VS2, VIP, VMUTE1, VMUTE2
MDCMD SMUTE, VOLCK, VOLCE, VOLDATA
MDRESET COMPLINK, FANON, D2IP
POUTAMP
TUCLK, TUDATAO
TO
TUCE, TUDATAI
TUNER
LCDR, RCDR
LCDG, RCDG
LCDB, RCDB
QA781 to QA787
LED DRIVER
LLEDR, LLEDG, LLEDB
S2UDT, SCS, CPURST
RLEDR, RLEDG, RLEDB
FDVD, U2SCLK0
LCDSO, LCDRS
U2SO, UCS0
LCDSCL, LCDCSB
LCDXRESET
IC745
U2SCLK
BUFFER IC701 REM, KEYP
U2SDT
FKEY1, FKEY2
UCS
TRAY+
SYSTEM
JOGL, JOGR
TRAY-
MICON
DVDOPSW IC751 M+ E2CLK
DVDCLSW M- E2DATA
DVD
LOADER
System control section
Cassette mechanism section
PBL,PBR
IC32
RECL, RECR
RECL,RECR
PB/REC
TAPEL, TAPER
AMP
CYOUT
CBOUT
IC33
CROUT
SERIAL TO PARALLEL
COMPO
YOUT
PORT EXTENSION
SDC/CH
SOLCTL MOTOR
Q375,Q376 Q371,Q372
SOLENOID MOTOR
DRIVE DRIVE
KEY1
SOL MB
PLAY
STTA
PHOTO
SDATA
SCK
CBIP
CRIP
CN33
YIP CYOUT
CI, YI CBOUT
CROUT
D2
TERMINAL
D2IP
Main section (HP board)
IC101
POWER
AMP
Trans section (Regulator)
S1+ L+
R+
DVD4V
TO
L-
SPEAKER
R-
DVD5V
Q1401 S1+ DVDA6V
SW10V REG.
MD5.4V
Q6901
M
FAN
S1+
DRIVER
FAN
MOTOR
WR201
CN902
POUTRELAY
SCK, SDATA Q9001
STTA, KEY1
RELAY SW
PLAY, PHOTOOUT
System control section (LCD)
LLCR, RLCR
LLCG, RLCG
LLCR, LLCG, LLCB
LLCB, RLCB
RLCR, RLCG, RLCB
LCDSO, LCDRS, LCDSCL
LCDXRESET, LCDCSB
System control section (Key)
S5014
KEYP
POWER
IC741
REM
EEP ROM
IC501
REMOCON
HEAD
RP
SWITCH
L+, L–
MECHA
R+, R–
HEAD
FREC
RREC
PLAY
SW1,SW2
TAPE
SW5,SW6
SWITCH
IC1
PHOTO
REEL
PULSE
VR37
A,B
MOTOR
M
SPEED ADJ.
MB
SOLENOID
HP
JACK
Q2501
DVD4V REG.
IC281
DVD5V REG.
Q2901
DVDA6V REG.
Q2601
MD5.4V REG.
D2401 to D2408
AC-DC
Trans section (Trans.)
T9001
AC
INPUT
T9002 LF901
D5341 D5351
DI531
LCD DISPLAY
FKEY1 S5007 to
S5013
SW
S5001 to
FKEY2
S5006
JOGL
JOGR
JS501
2-1