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JVC TH-C4 Service Manual page 8

Dvd digital theater system
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Block diagram
<Main body section>
DVD servo section
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
T901
IC901
POWER
SWITCH
TRANS.
REG.
DIODE
BRIDGE
P901
AC IN
FL display section
S531 to S540
KEY3, KEY4
DISC_KEY
VOL1
JS541
VOL2
VOLUME
DI-CK, DI-DT
DI-CS, DI-RST
IC501
ILLUMI
DISPLAY
DISC1 to 5
DIMMER
DRIVER
G1 to G14
P1 to P35
DI501
FL DISPLAY
2-1
LASER DRIVER
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
F1,F2
FL SW, -VDISP SW
-VDISP
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
Q561 to Q566
D511
STANDBY
D561 to D565
STANDBY
LED
DISC LED
LPCO1, LPCO2
CDLDCUR, DVDLDCUR
X301
27MHz
IC301
PANTERA-2
TRVSW
IC510
EEPROM
IC1
LSENSOR
POSITION
SENSOR
STEDSW
CLSWT1 to 5
STSTSW
MTOPSW
POSMUP
POSMDN
MTOP, MTCL
System control section
U2SDT
CS
B5V
D5V
SYS-PON, DVD-PON
M9V
DVD-5V
X4701
DVD-4V
8MHz
M9V
+12V
Q4821
-12V
AM-BEAT
CUT
RESET-IN/RST
Q4702
IC472
RESET
FL display section
(Operation key)
S522 to S523
KEY1
KEY2
S526 to S529
OPERATION
SW
EXADT0 to 15, EXADR16 to 20
NEXCE, NEXOE, NEXWE
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
COUT
S2UDT
U2SDT
YOUT
SCLK
CrOUT
SCS
CbOUT
CPURST
TX
UCS
RX
DISCSET
DISCSTP
IC452
EEPROM
EPDI,EPDO
EPCS,EPSK
DISPRST
DISPBUSY
IC451
DISPCS
MECHA
DISPCK
DISPD2S
LRMUTE
CONTROLLOR
DISPS2D
SWMUTE
CN701 CN702 CN703
CN403 CN401 CN402
IC473
DISPS2D, DISPBUSY
CPURST
INTP
SCLK
IC471
S2UDT
SELECT3, SELECT4
SYSTEM
MICOM
VOL-MUTE, VOL-DT, VOL-CK
SETUP, TU, L-R
AM-BEAT
Q4811, Q4812
SW-PON
Q4801, Q4802
S-MUTE
VOL-1, VOL-2
STAND-BY
REMOCON
KEY1, KEY2
KEY3, KEY4
DI-CK, DI-DT
DI-CS, DI-RST
HP-DET
ILLUMI
ECHOLEVEL
MICMUTE
MIC
AVC-OUT
AVC-IN
Q4703
AVVLR
TU-DI, TU-DO, TU-CK
TU-CE, RDS
TU-PON
Q4091, Q4092
TU9V
TU9V REG.
IC509
FLASH ROM
IC505
DRAM
IC704
ADC
AINL
AINR
IC701
to
IC703
DAC
FAOUTL
FAOUTR
RAOUTL
RAOUTR
CAOUT
SWAOUT
ADINL
ADINR
IC474
IC476
TV-SOUND
AMP.
/ AUX
SELECT
SW-PON
S-MUTE
DRIVER
IC475
IC478
TUNER
AMP.
J4891
AV
COMPULINK
Tuner
Pack

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