Block Diagram - JVC TH-M303 Service Manual

Block diagram

<Main body section>
DVD servo board
A, B, C, D, E, F, RF+, PD(CD), PD(DVD)
DVD traverse
mechanism
FM+/-
WOUT
VOUT
UOUT
COM
DVD traverse
mechanism
DVD changer mechanism section
TR1_CL to
TRAY1 to 5
TR5_CL
CLOSE SW
TRAY
M.TR_OP
OPEN SW
SUB TRAY
S.TR_ST
START SW
Power supply section
IC901 T901
SWITCH POWER
REG. TRANS.
AC IN
DIODE
BRIDGE
FL display section
S531 to S540
KEY3, KEY4
DISC_KEY VOL1
VOL2
X501
JS541
8MHz
DI-CK, DI-DT
DI-CS, DI-RST
IC501
ILLUMI
DISPLAY
DISC1 to 5
DIMMER
MICOM
G1 to G14
P1 to P35
DI501
FL DISPLAY
2-1
LD(CD), LD(DVD)
Q101 to Q104
F+/-
T+/-
SPDRV, TRSDRV, FODRV, TRDRV
IC201
/DRVMUTE, /SPMUTE, FG, WHALF
DRVER
SUB TRAY
END SW
IC1, IC2
M
CN3
TRAY / POSITION
CN2 TRAY
MOTOR DRIVER
POSITION
POS_UP, POS_DOWN
MOTOR
TR_OP, TR_CL
Q951, Q953
FL SW, -VDISP SW
IC953
B5V, D5V
B5V REG.
DVD-PON
SYS-PON
D5V
IC951
D970
D5V REG.
DVD3.3V
DVD5V
Q954,Q955
DVD5V SW
Q958 to Q961
A+12V
A-12V
A+/-12V REG.
IC511
F1,F2,-VDISP
REMOCON
B5V,D5V
REMOCON
STANDBY
Q503
FL display
section (P_key)
S521
KEY1 KEY1
POWER SW
D511
Q561 to Q566
STANDBY
STANDBY
LED
D561 to D565
DISC LED
LPCO1, LPCO2
CDLDCUR, DVDLDCUR
X351
27MHz
IC301
PANTERA-2
TRVSW
IC1
LSENSOR
POSITION
SENSOR
STEDSW
CLSWT1 to 5
STSTSW
MTOPSW
POSMUP
POSMDN
MTOP, MTCL
System control section
F1,F2
-VDISP
B5V
D5V
SYS-PON, DVD-PON
M9V
DVD-5V
X4701
DVD-4V
M9V
+12V
Q4821
-12V
AM-BEAT
CUT
RESET-IN/RST
Q4702
IC472
RESET
(LED) (Connect)
ILLUMI.
ILLUMI
LED
FL display section
(Operation key)
S522 to S529
OPERATION SW
EXADT0 to 15, EXADR16 to 20
NEXCE, NEXOE, NEXWE
EXADT0 to 15
NEXCE
MA0 to 10, BA0, BA1
MDQ0 to 31, DQM0 to 3
NCSM,NRAS, NCAS, NWE
INDEX, TRACK, COPY
AIN, AOUT 0 to 2, BCK, LRCLK
DACPDN, DAC0CS, DCLK, DDATA
S2UDT
U2SDT
SCLK
SCS
CPURST
UCS
DISCSET
DISCSTP
IC452
EEPROM
EPDI,EPDO
EPCS,EPSK
DISPRST
DISPBUSY
IC451
DISPCS
MECHA
DISPCK
DISPD2S
CONTROLLOR
DISPS2D
CPURST
INTP
SCLK
S2UDT
IC471
U2SDT
CS
SYSTEM
8MHz
MICOM
VOL-MUTE, VOL-DT, VOL-CK
AM-BEAT SETUP, TU, L-R
SW-PON
S-MUTE
VOL-1, VOL-2
STAND-BY
REMOCON
KEY1, KEY2
KEY3, KEY4
DI-CK, DI-DT
DI-CS, DI-RST
ILLUMI
HP-DET
AVC-OUT
AVC-IN
Q4703
TU-DI, TU-DO
TU-CK, TU-CE
TU-PON
KEY1
Q4091, Q4092
KEY2
TU9V REG.
IC509
FLASH ROM
LADD0 to 15
IC512, IC513
LATCH
IC505
DRAM
COUT
YOUT
CrOUT
CbOUT
TX
IC704
RX
ADC
AINL
AINR
IC701
to
IC703
DAC
FAOUT
FAOUT
RAOUT
LRMUTE
RAOUT
SWMUTE
CAOUT
SWAOU
CN703 CN701 CN702
CN403 CN401 CN402
ADINL
IC5
ADINR
AM
DIN, DOUT
C, CV-Y1, Y2-G
CB-B, CR-R
DISPS2D
IC473
DISPBUSY
Q4811, Q4812
SW-PON
Q4801, Q4802
S-MUTE
DRIVER
IC475
IC478
TUNER
AMP.
J4891
AV
AVVLR
COMPU
Tune
TU9V
Pack