JVC DX-T7 Service Manual page 152

Block diagram
(For DX-T5)
DVD servo and system control section
A,B,C,D,E1+F1,E2+F2,E3+F3,E4+F4
RF+,RF-,PD(CD),PD(DVD)
DVD traverse
LD(CD) LPCO1,LPCO2
Q101
mechanism LD(DVD) CDLDCUR,DVDLDCUR
to
F+/- Q104
IC301
T+/- X301
FM+/- DV3.2
WOUT 27MHz
VOUT SPDRV,TRSDRV
FODRV,TRDRV,FG
UOUT
IC201
COM /DRVMUTE,/SPMUTE
DVD traverse
DRVER
mechanism
TRVSW
DVD tray control section
TR1_CL to
R1
TRAY1 to 5 TR5_CL
POSITION
CLOSE SW
SENSOR
TRAY M.TR_OP
OPEN SW SUB TRAY
CN3
END SW
CN2
IC1, IC2
TRAY / POSITION
MOTOR DRIVER
SUB TRAY
POS_UP START SW
POS_DOWN
M
TR_OP,TR_CL S.TR_ST
TRAY POSITION
MOTOR
Tape A playback section
PB
HEAD
IC41 A_PBL,A_PBR
AMP
PBMUTE
SERIAL TO PARALLEL
SOLCTRL
VR37
IC1
MOTOR Q485,Q486
SW2,SW6
SPEED Adj.
REEL
SOLENOID
SWITCH
PULSE
PHOTO
SOL
M
PLAY,TAPE
PHOTO+B
MB
SOL
SOLENOID
Tape B record and playback section
REC/PB
ERASE
RECL,RECR
IC32
HEAD
AUDIO SIGNAL
REC/PLAY B_PBL,B_PBR
PROCESSOR
FREQUENCY
PBMUTE,RECH
RESPONSE Adj.
L301
Q302,Q305
RECB
BIAS
SERIAL TO PARALLEL
BIAS OSC/CONT.
OSC
SOLCTRL
VR37
Q375,Q376
IC1
MOTOR SW1,SW2
SOLENOID
SPEED Adj. REEL
SW5,SW6
SWITCH PULSE
SOL
RREC,FREC PHOTO
M
PLAY,TAPE PHOTO+B
MB
SOL
SOLENOID
DISPRST,DISPBUSY
DISPD2S,DISPS2D
MA0 to MA11,BA0,BA1,MCK DISPCS,DISPCK,TX
MDQ0 to 15,DQM0,DQM1 DAC1OUT (Y-2)
IC505
NCSM,NRAS,NCAS,NWE
DAC2OUT (Cb)
DAC3OUT (Cr)
SDRAM
DAC4OUT (Y-1)
DAC5OUT (C)
EXADT0 to 15
EXADR16 to 20
NEXCE,NEXOE
NEXWE
DISPRST
IC509
DISPBUSY
AOUT0
FLASH ROM DISPCS
BCK,LRCK
DISPCK DAC0CS
DISPD2S
DACPDN
DISPS2D
DACCK
DCLK
IC701
DADATA
IC451
DAC
LSENSOR
MECHA
CONT.
LRMUTE
EPDI,EPDO
STEDSW
EPCS,EPSK
IC452
EEPROM
CLSWT1 to 5
STSTSW
MTOPSW
POSMUP
POSMDN
MTOP, MTCL
SDATA,SCK
S-CK,S-DATA
STTA_A
A-STTA,B-STTA
A-PHOTO,B-PHOTO
IC43
A-PLAY,B-PLAY
A-KEY,B-KEY
PORT EXTENSION
MOTOR
TUDI,TUDO
Q481,Q482
TUCK,TUCE
TO
MOTOR
RECL,RECR
TUNER
DRIVE DRIVE
PACK
MB PLAYA
A-PBL
PHOTOA
A-PBR
KEY_A
B-PBL
RECL,RECR
B-PBR
B_PBL,B_PBR
TUL,TUR
AUXL
CN47 CN46
AUXR
AUX IN
CN34 CN33
SDATA
SCK External input, source selector
STTA_B
and system control section
IC33
FL display section
D5004
PORT EXTENSION
RHYTHM AX
MOTOR
LED
Q371,Q372
MOTOR
DRIVE DRIVE
S5000 to S5034
MB
PLAYB
PHOTOB KEY MATRIX
KEY_B
Video output section
Y-1,Y-2
IC920
C,Cb,Cr
VIDEO
DRIVER
DISPRST,DISPBUSY
DISPCS,DISPCK
DISPD2S,DISPS2D VIDEO-MUTE
CN920
CN760
FAN-SPEED
FAOUTL FAN-CTRL
FAOUTR
LRMUTE SMUTE
Q7798
FANOUTL
FANOUTR
Q8000
Q8100
SMUTE
DISPS2D
DISPBUSY
IC760
ADINL
DISPCS LEVEL
ADINR
FL
DISPCK
CONV.
FR
DISPD2S
IC810 VIDEO-MUTE
CS
SP-DA FAN-SPEED
DSP SW
U2SDT
SP-CK FAN-CTRL
LSELO CPURST
SP-WR
RSELO
SP-REQ SMUTE
SP-STR
IC850
SURROUND
MIC-IN
PROCESSOR
SDA
IC770
RECL SCL
RECR SYSTEM
CPU
IC771
IC860
LVRIN,RVRIN
EEPROM LOUT
EFFECTOR
ROUT
MIC-IN
IC820
V-DI
MAIN
V-CK
V-CEM
VOL
V-DI,V-CK,V-CEM MIC-IN,HPSW,HP-MUTE
REM,LED-STBY,LED-RHY,LED-ILLU,FL-DA
FL-LA,FL-CK,FL-BK,FL-KAOK,F-KEY1 to F-KEY4
CN720
CN500
LED-STBY
LED-RHYTHM
D5005
KARAOKE LED-KARAOKE
REM
SCORING
FL-DATA
LED
FL-CLK,FL-BK
F-KEY1 to F-KEY4 FL-LATCH
P1 to P35
D5006
IC500
FL500
LED-ILLUMINATION 1G to 10G
PRESET
FL
FL
LED +VPP
DRIVER
DIGITAL
TX
OPTICAL OUT
COMPONENT
Y,Cb,Cr
VIDEO OUT
S-VIDEO OUT
Y,C,CV
COMPOSITE
VIDEO OUT
D5V,D5.6V
S5V,M5V
M9V
DC regulator section
FAN SPEED
FAN CTRL
Audio output section
Q3901
Q3902
FLIN
F/L IN
IC401 FAN CONT.
Q8040 FRIN
F/R IN
FRONT
Q8140
AMP.
MAINL
F/L OUT
MAINR
S3
F/R OUT
S3CT
IC302 to IC308
VH+/-,VL+/-
CN401 CN301
TO
Q8910
Q8911 SUBWOOFER
SWOUT
TO
FRONT SPEAKER &
SURROUND SPEAKER
FL
CN200 CN201
FR
FL,FR
+VL
+/-VH S3
IC830 +/-VL S3CT
AMP.
FL,FR
+VH,-VH
S3,S3CT
IC881
+VL
AMP.
-VL
S2
D2001 to D2004
LOUT
+/- VL BRIDGE
ROUT
CN204
CN104
D1000 to D1003
S3
REGULATOR
BRIDGE
S3
D5007 S2,S3CT
STANDBY +VH,-VH
D1006,D1007
LED
D1010,D1011
IC510
+/- VH BRIDGE
REMOCON
S1
Q1000
RECEIVER
35V
Q1001
F+ REG.
FL BIAS
F-
FL1
VPP VPP
FL2 S4CT
Primary board with main transformer section
CN303
D5V
D5.6V
M5V
M9V
FAN12V
TO
FAN
REG.
Microphone circuit
section
HPL
Q9100
HPR
to Q9104
PHONES
HP MUTE
HP-MUTE HP-SW
MIC1
IC901
AMP.
MIC2
MICSIG
CN901
S1000
AC
VOLTAGE
INPUT
SELECTOR
SWTCH
CN101 CN102
S1
S2,S3
T1001
S3CT
TRANS.
S4
S4CT
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