Block Diagram - JVC UX-G68E Service Manual

Block diagram

DVD section
A, B, C, D, E, F
RF+, LPC1, LPC2
DVD pickup
LPCO1
mechanism
LPCO2
CDLDCUR
Q101 to Q104
LD(CD)
DVDLDCUR
LD(DVD)
LASER
DRIVER
FM+/-
WOUT
F+/-
VOUT SPDRV, TRSDRV
T+/-
UOUT FODRV, TRDRV
COM IC201 SPMUTE, FG
DVD traverse
DRVER
mechanism
TRVSW
IC510
SDA,SCL
EEPROM
X301
27MHz
X302,IC303
48MHz
Loader section
Transformer section
AC
INPUT
Front panel section
(Headphone,AUX,USB)
HEADPHONE
HPL/R
OUTPUT
HPSW
AUX IC850,IC851,Q850
INPUT AUX AMP. & QP-LINK
AUXSW
QPL
D+/-
USB INPUT
CN803
CN811
DP
DM
5V
IC801,Q801
NEN
5V REG.
BCK, LRCK, DACCK
AOUT0, DAC0CS, DCLK
FAOUTL/R
DDATA, DACPDN IC701
AUDIO DAC
MA0 to 11, MDQ0 to 15
IC301
BA0, BA1, MCK, DQM0, DQM1
DV5 IC505
NCSM, NRAS, NCAS, NWE
SDRAM
S2UDT, U2SDT, UCLK, UCS
SCS, TX, DAC1OUT
DAC2OUT, DAC3OUT
DAC4OUT, DAC5OUT
IC302
IC453
D1.2V
NEXCE
3.0VDET
NEXOE
REG.
NEXWE
CPURST
EXDT0 to 15
IC705
EXADT0 to 15
IC509
EXADR16 to 20 A5V
FLASH
REG.
ROM
OEPNSW
S1
CLOSESW
TRAY SWITCH
TRAY+/-
LOADING MOTOR
RY101 T101
RELAY
TRANSFORMER
ECO1
SUB1
T102 SUB2
TRANSFORMER
B6V
Audio amplifier section
HPL/R
Q500,Q501,Q510
SYSTEM MUTE
AUXL/R AUXL/R
DVDL/R
S1
D580 to S583
DIODE BRIDGE
Q580
SAFETYBRIDGE
Q581
USB6V
QPL
SAFETYBRIDGE
HPSW
AUXSW
USB6V
S2UDT, SCS, CPURST, DVDPWR
UCS
DVDPWR SCLK
U2SDT UCS
SCLK
IC340
U2SDT/RX
CONVERTER
IC305
3.3V to 5.5V
WP
3.3V
EEP-SCL
REG.
IC365 EEP-SDA
EEPROM
TOPEN
IC380
TCLOSE
TRAY+/-
DVD
LOADER
OPENSW, CLOSESW
DVDPWR
IC260 IC270 IC240
DVD5V USB6V A9V
REG. REG. REG.
S1
S2
S2 D210 to S213
S3
DIODE BRIDGE
S2CT
SUB1, SUB2
IC200
B6V REG.
B6V
ECO1
Q205
Micon, Video driver, Regulator section
D555,D556
Q561
L+/-, R+/-
GAIN
IC501
H/P MUTE
CONTROL
POWER AMP.
TEMP
INL/R
SMUTE
Q503 to Q507
PRT
PROTECTOR
Q641,Q642 AHB
AHB
LOUT
ROUT
IC600
E.VOLUME
&
HPF FANCTRL
VOLCLK
VOLDATA
VOLCE
SCART-LIN
SCART-RIN TUL/R
FW213 CN217 CN220 CN219
CN203 CN207 CN209 CN210
TUL/R
VOLCLK
VOLDATA
TUCE, TUDI, TUDO, TUCLK
VOLCE
TUAMSW, RDSDATA, RDS-CLK
TEMP
SPKRLY
SMUTE
SWMUTE
AHB
PRT
FANST
FANCTL
COUT, YOUT
YGOUT, CBOUT, CROUT
VMUTE, VIDEORGB
SCART-LIN
SCART-RIN
VS1, VS3
BLANK-CTL Q430 to Q433
SCREEN_MODE
RESET Q371
IC301
RESET
Front panel section (Key,Volume,LED)
SYSTEM
REMOCON
MICON
STANDBYLED S751 to S759
FLCLK, FLATCH
KEY MATRIX
FLDATA
KEY1
KEY1, KEY2, VOL+/-
KEY2
F1, F2
IC250 IC280
M9V M12V
REG. REG.
S700 to S703
KEY MATRIX
Q230 to Q232
VOLTAGE CTRL
S2CT
S3
IC701
B5V REMOCON
ECO
Front panel section (FL)
Q550,RY550 OUTL/R
TO
SPK RELAY SPEAKER
SPKRLY
Q650 to Q652
SUBWOOFER
S.W.OUT OUT
SWMUTE
FANST
FAN
M
Q680,Q681 +FAN
MOTOR
FAN DRIVER
TUNER
UNIT
OPTICAL
TX
DIGITAL
OUT
Py/G OUT
Pb/B OUT
IC450
Pr/R OUT COMPONENT
VIDEO
VIDEO OUT
CV OUT
DRIVER
BLANKING SCART
FUNCTION
TERMINAL
D750 JS750
STANDBY LED VOLUME
KEY21 STANDBYLED VOL+/-
FW700,FW710
FW700,FW710
F1
DI700
F2
FL DISPLAY
KEY21
P1 to P16
FLCLK G1 to G11
FLDATA
FLLATCH IC700
FL DRIVER
REMOCON
ILLUMI1
D751
BACKLIGHT
2-1