Block Diagram - JVC TH-C9 Service Manual

Block diagram

<Main body section>
DVD servo section
A, B, C, D, E, F, RF+, PD(CD), PD(DVD)
DVD traverse
mechanism
LASER DRIVER
LD(CD), LD(DVD)
Q101 to Q104
FM+/-
WOUT F+/-
VOUT T+/-
UOUT SPDRV, TRSDRV, FODRV, TRDRV
IC201
COM /DRVMUTE, /SPMUTE, FG, WHALF
DVD traverse
DRVER
mechanism
DVD changer mechanism section
TR1_CL to
TRAY1 to 5 SUB TRAY
TR5_CL
CLOSE SW
END SW
TRAY M.TR_OP
OPEN SW
IC1, IC2
M
CN3
TRAY / POSITION
CN2 TRAY
MOTOR DRIVER
POSITION
POS_UP, POS_DOWN
SUB TRAY
MOTOR
S.TR_ST TR_OP, TR_CL
START SW
Power supply section
Q951, Q953
FL SW, -VDISP SW
-VDISP
IC953
B5V, D5V
B5V REG. DVD-PON
SYS-PON
T901
IC901
POWER
SWITCH
TRANS.
REG. D5V
IC951
D970
D5V REG.
DVD3.3V
DVD5V
DIODE
Q954,Q955
BRIDGE
DVD5V SW
P901
Q958 to Q961
A+12V
A-12V
A+/-12V REG.
AC IN
FL display section
IC511
F1,F2,-VDISP
REMOCON
B5V,D5V
S531 to S540
KEY3, KEY4 REMOCON
DISC_KEY
STANDBY
VOL1
JS541
VOL2
Q503
VOLUME FL display
section (P_key)
DI-CK, DI-DT
DI-CS, DI-RST
IC501
ILLUMI
S521
KEY1 KEY1
DISPLAY
DISC1 to 5 POWER
DIMMER
DRIVER SW
G1 to G14
Q561 to Q566
D511
P1 to P35
STANDBY
DI501 D561 to D565 STANDBY
LED
FL DISPLAY DISC LED
EXADT0 to 15, EXADR16 to 20
NEXCE, NEXOE, NEXWE
LPCO1, LPCO2
CDLDCUR, DVDLDCUR
MA0 to 10, BA0, BA1
MDQ0 to 31, DQM0 to 3
IC301
X301 NCSM,NRAS, NCAS, NWE
27MHz PANTERA-2
INDEX, TRACK, COPY
AIN, AOUT 0 to 2, BCK, LRCLK
TRVSW DACPDN, DAC0CS, DCLK, DDATA
S2UDT
U2SDT
SCLK
IC510
SCS
EEPROM
CPURST
UCS
DISCSET
IC1
LSENSOR
DISCSTP
POSITION
IC452
SENSOR
EEPROM
STEDSW
EPDI,EPDO
EPCS,EPSK
CLSWT1 to 5 DISPRST
STSTSW DISPBUSY
IC451
MTOPSW DISPCS
MECHA
POSMUP DISPCK
POSMDN DISPD2S
CONTROLLOR
MTOP, MTCL DISPS2D
System control section
U2SDT
IC473
CS DISPS2D, DISPBUSY
F1,F2
BUFF.
B5V
D5V
SYS-PON, DVD-PON
CPURST
INTP
SCLK
M9V
DVD-5V IC471
S2UDT
X4701
DVD-4V
SELECT3, SELECT4
8MHz
SYSTEM
M9V
MICOM
+12V Q4821 VOL-MUTE, VOL-DT, VOL-CK
AM-BEAT SETUP, TU, L-R
-12V
AM-BEAT
CUT
SW-PON
RESET-IN/RST
Q4702
S-MUTE
IC472
VOL-1, VOL-2
RESET STAND-BY
REMOCON
KEY1, KEY2
KEY3, KEY4
DI-CK, DI-DT
DI-CS, DI-RST
HP-DET
ILLUMI
ECHOLEVEL
MICMUTE
FL display section MIC
(Operation key)
AVC-OUT
AVC-IN
S522 to S523
KEY1
KEY2
S526 to S529
TU-DI, TU-DO, TU-CK
OPERATION
TU-CE, RDS
SW
TU-PON
Q4091, Q4092
TU9V REG.
Audio & Digital input section
IC509
FLASH ROM
HPOUT_L
HPOUT_R
IC505
S.MUTE
DRAM
S_MUTE
VOL_MUTE
COUT
YOUT
CrOUT
OUT-SL IC154
CbOUT
OUT-SR
SOUND
TX
IC704
RX BOOSTER
ADC
L-R
AINL
Q1251
TUNER
AINR
Q1252
IC701
TU_L, TU_R
to
IC703
OUT-L
DAC
IC531
OUT-R
OUT-C IC581
FAOUTL
OUT-SW
IC591
FAOUTR
AMP.
RAOUTL
LRMUTE
RAOUTR
SWMUTE
CAOUT
SWAOUT
CN701 CN702 CN703 CN442 CN441
CN403 CN401 CN402 CN412 CN411
OUT-L, OUT-R
VIDEO-MUTE1
VIDEO-MUTE2
ADINL
VIDEO-YCMIX
ADINR
VIDEO-RGB
DIN, DOUT
VIDEO-LPF
C, CV-Y1, Y2-G
CB-B, CR-R
IC474
IC476
AUX-L, AUX-R
TV-SOUND
AMP.
/ AUX
SELECT
Q4811, Q4812
SWPON
SW-PON
Q4801, Q4802
SMUTE
S-MUTE
TU-L, TU-R
DRIVER
TU-SW
HPOUT-L
VIDEO-SW
HPOUT-R
IC475
IC601
IC478
HP
TUNER
AMP.
AMP.
HP-L
HP-R
CN460
Q4703
J4891
CN701
AV
AVVLR
COMPULINK
HP-L, HP-R, HP-DET
Tuner
TU9V Pack
<Subwoofer section>
SW.P.ON, SETUP
SYSTEM
SYSTEM
CONN.
IC158
Q1131
CONN.
C,SW
Q1133 to
SL,SR
Q1135 IC160
L, R
AMP.
C-ch
IC103
SW-ch
AMP.
SW_SIG, C_OUT
VOL_DT
IC153
SW_OUT1
VOL_CK
6CH
SW_OUT2
VOL.
C_PWMOUT
SW_PWMOUT1
SW_PWMOUT2
L_PWMOUT
R_PWMOUT
SL_OWMOUT
DIGITAL
DIN
SR_PWMOUT
IC151
IN
C_PWMOUT
IC152
TU-SW
SW_PWMOUT1
AUDIO SW_PWMOUT2
SW
IC301
to
IC307
J1101
POWER
AUX IN
AUX-L
AMP.
AUX-R
IC251
Video input/output
POWER
section
AMP.
Terminal section
IC431
VIDEO
DRIVER Mother section
CR-R Cr
COMPONENT
CB-B Cb
VIDEO OUT
Y2-G Y
IC601
MICOM
C
S-VIDEO OUT
SP RELAY
Y
COMPOSITE
P.ON
VIDEO OUT
CV-Y1
C
IC411
+7.5V
VIDEO
-7.5V
SW1
C
S-VIDEO IN
Q151, Q152
+7.5V REG.
Y
COMPOSITE
-7.5V REG.
VIDEO IN
+5V
Q153
+5V REG.
Jack section
HEADPHONE
OUT AC IN
Amplifier section
FL-ch
FR-ch
IC101
TX/RX A/D IN L
P_ON
A/D IN R AMP.
A/D IN SL, A/D IN SR L_PWMOUT
R_PWMOUT
SL-ch
IC102
SR-ch
AMP.
SSS_AMP_IN_SL
SSS_AMP_IN_SR
SL_OUT
SR_OUT
SSS_AMP_IN_L
SSS_AMP_IN_R
SL_PWMOUT
LOUT
SR_PWMOUT
R_OUT
CN112 CN111
CN312 CN311
SW_OUT1
TO SW
SW_OUT2
LOUT
SPEAKER
R_OUT
J3001
SL_OUT
SR_OUT
LchOUT
LOUT
RchOUT
R_OUT RY301
SL_OUT
to SLchOUT
SR_OUT
RY303
SRchOUT
C_OUT
CchOUT
Cch_OUT
SW_SIG
FAN+
A/D_C
FAN-
A/D_SW
FAN
SP_RELAY+
SP_RELAY-
CN301 CN302
CN501 CN502
P.ON, TX/RX, A/D_C
A/D_SW, A/D_L, A/D_R
A/D_SL, A/D_SR
TO
LED
LED
FAN ON FAN+
Q531 to Q535
/FAN STOP FAN-
FAN CONTROL
SP_RELAY+
Q521 to Q525 SP_RELAY-
PROTECTOR
Q531 to Q535
PPOTECT
POWER CONTROL
& PROTECTOR
+12V
-12V
Q706, Q708
+12V REG.
+B, -B
-12V REG.
D151
CN151
W151
T101
POWER
RY101
TRANS.
2-1