JVC TH-M508 Service Manual page 41

Block diagrams
<Main body section>
DVD servo board
A, B, C, D, E, F, RF+, PD(CD), PD(DVD)
DVD traverse
mechanism
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
F1,F2
FL SW, -VDISP SW
-VDISP
IC953
B5V, D5V
B5V REG.
DVD-PON
SYS-PON
T901
IC901
M9V
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 REG. A-12V
AC IN
FL display section
IC511
F1,F2,-VDISP
REMOCON
B5V,D5V
S531 to S540
KEY3, KEY4 REMOCON
DISC_KEY
VOL1
STANDBY
VOL2
X501
JS541 Q503
FL display
8MHz
section (P_key)
DI-CK, DI-DT
DI-CS, DI-RST
IC501 ILLUMI
S521
KEY1 KEY1
DISPLAY POWER
DISC1 to 5
DIMMER SW
MICOM
G1 to G14 Q561 to Q566
D511
P1 to P35
STANDBY
DI501 D561 to D565 STANDBY
LED
FL DISPLAY DISC LED
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EXADT0 to 15, EXADR16 to 20
NEXCE, NEXOE, NEXWE
LPCO1, LPCO2
CDLDCUR, DVDLDCUR
EXADT0 to 15
X351
NEXCE
27MHz
IC301
MA0 to 10, BA0, BA1
PANTERA-2
MDQ0 to 31, DQM0 to 3
NCSM,NRAS, NCAS, NWE
INDEX, TRACK, COPY
AIN, AOUT 0 to 2, BCK, LRCLK
TRVSW DACPDN, DAC0CS, DCLK, DDATA
S2UDT
U2SDT
SCLK
SCS
CPURST
UCS
IC1 DISCSET
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
CN703 CN701 CN702
CN403 CN401 CN402
System control section
IC473
DISPS2D, DISPBUSY
U2SDT
CS
B5V
D5V
SYS-PON, DVD-PON
CPURST
INTP
SCLK
DVD-5V IC471
S2UDT
X4701
DVD-4V
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
(LED) (Connect) MIC
AVC-OUT
ILLUMI.
ILLUMI AVC-IN
Q4703
LED
TU-DI, TU-DO, TU-CK
FL display section
TU-CE, RDS
(Operation key)
TU-PON
KEY1
KEY2
S522 to S529 Q4091, Q4092
OPERATION SW TU9V REG.
Audio input/output section
SW.P.ON, SETUP
IC509
FLASH ROM
LADD0 to 15
IC512, IC513
LATCH
IC505 Q1131
S_MUTE Q1133
DRAM
Q1135
TU-SW
S.MUTE
COUT
+IN 1, +IN 2
IC581
YOUT
C IN, SW IN
CrOUT
IC591
CbOUT
VOL_MUTE
AMP.
TX
IC704
RX
ADC
AINL
AINR
IC701
L-R
Q1251
to
TUNER
Q1252
IC703
DAC TU_L, TU_R
IC531
FAOUTL
OUT-L
AMP.
FAOUTR
OUT-C
OUT-R
RAOUTL
LRMUTE
OUT-SW
RAOUTR
SWMUTE
OUT-SL
CAOUT
SWAOUT OUT-SR
CN442 CN441
CN412 CN411
Video input/output section
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
SELECT3, SELECT4
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
J4891 CN701
AV
AVVLR
ECHOLEVEL
COMPULINK
MICMUTE
MIC
HEAD
Tuner
DIDITAL ECHO
PHONE
TU9V
Pack
OUT
HP-L, HP-R, HP-DET
<Subwoofer section>
Speaker terminal section
SYSTEM
C, SW
IC101
CONN.
SL, SR
POWER
L, R
IC158
AMP.
to
HPOUT_L
IC160
HPOUT_R
IC102
AMP.
POWER
DIGITAL
DIN
AMP.
IN
DIGITAL
DOUT
C
IC153
OUT
FL, FR
6CH
SL, SR
VOL_DT
Mini Din
VOL.
VOL_CK
CONN. SW
IC151 CN121
AUDIO
CN502
SW
FAN+
FAN-
FAN
Sig.In
IC201
J1101
AUX-L
AMP.
AUX-R
AUX IN
IC203
AMP.
SP+
TO SW
SP-
SPEAKER
IC431
VIDEO
Amplifier section
DRIVER
CR-R Cr
COMPONENT
CB-B Cb
VIDEO OUT
Y2-G Y
C
S-VIDEO OUT
Y
COMPOSITE
VIDEO OUT
CV-Y1
C
D5001
LED
LED
IC411
VIDEO
SW1
C
S-VIDEO IN
Q34704 to Q3707
Y
COMPOSITE
PROTECTOR
VIDEO IN
Jack section
AC IN
RY311
IC701
MIC
IC761
MIC
IN1,2
AMP.
Power/Micom
section
J1002
FROUT
RY101
FLOUT
RY102 COUT
SROUT
RY103
SLOUT
IC105 IC104 IC103
Sig.Out
AMP. AMP. AMP.
FL
C, SR
SL, SW FR
TX.RX
FAN+, FAN-, CLK
CN133
CN501
FAN+, FAN-
CLK
SW, C
Sig.Out
FL, FR
SL, SR
TX.RX
IC271
CLK
AMP.
IC601
MICOM
IC204, IC205
CLOCK
GENERATOR
FAN.ON
+5V
Q3714 to Q3718
FAN CONTROL
Q3903
+5V REG.
+7V +12V
R3907 Q3901
+7V +12V REG.
-7V -12V
R3908 Q3902
-7V -12V REG.
+VH, -VH
PROTECT +VL, -VL
D3201, D3202
CN231
T101
POWER
TRANS.
2-1