Block Diagram - JVC TH-S55 Service Manual

Block diagram

<Main body section>
DVD servo section
A, B, C, D, E, F, RF+, PD(CD), PD(DVD)
DVD traverse
LASER DRIVER
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
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 REG. A-12V
AC IN
FL display section
F1,F2,-VDISP
B5V,D5V
DI-CK
DI-DT
DI-CS
ILLUMI REMOCON
IC511
IC501
REMOCON
FL
DRIVER
(LED)
G1 to G14
P1 to P35
ILLUMI.
LED
DI501
FL DISPLAY
EXADT0 to 15, EXADR16 to 20
NEXCE, NEXOE, NEXWE
LPCO1, LPCO2
CDLDCUR, DVDLDCUR
X301
27MHz
IC301
MA0 to 10, BA0, BA1
PANTERA-2
MDQ0 to 31, DQM0 to 3
NCSM,NRAS, NCAS, NWE
TRVSW
DVD loading section
LOADING
MOTOR
TRAY
OPPEN
CLOSE
SW
CN1
CN408
System control section
IC493
TRAY DRIVE
F1,F2
B5V
D5V USDT
UCS
SYS-PON, DVD-PON
SCLK
M9V
IC471
DVD-5V
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
RESET
DI-CK
DI-DT
DI-SC
HP-DET
FL display section (Key)
TU-DI, TU-DO, TU-CK
KEY1
TU-CE, RDS
KEY2
S521 to S524,S526 to S529
TU-PON
OPERATION SW
Q4091, Q4092
TU9V REG.
ILLU-LED
Audio signal input/output section
IC509
FLASH ROM
Q1131
HPOUT_L
HPOUT_R Q1133
Q1135
S.MUTE
S_MUTE
IC505
VOL_MUTE
DRAM
DAC1OUT AOUT 0 to 2
DACPDN
DAC2OUT
OUT-SL
IC154
DAC0CS
DAC3OUT
OUT-SR
DCLK
AUDIO
DAC4OUT
DDATA
SW
DAC5OUT
TX
IC701 L-R
RX
Q1251
U2SDT TUNER
to
Q1252
S2UDT
IC704
UCLK
DAC TU_L, TU_R
USC
CPURST
OUT-L
AINL
IC531
OUT-R
AINR
IC581
OUT-C
FAOUTL
FAOUTR OUT-SW IC591
RAOUTL
AMP.
RAOUTR
LRMUTE
CAOUT
SWMUTE
SWAOUT
CN701 CN702 CN442 CN441
CN402 CN401 CN412 CN411
Video input/output section
OUT-SW,OUT-C
OUT-SR,OUT-SL
VIDEO-MUTE1
VIDEO-MUTE2
OUT-L, OUT-R
VIDEO-YCMIX
VIDEO-RGB
VIDEO-LPF
IC473 AUX-L
IC474
AUX-R
LEVEL
IC476 TV-SOUND
SIFT
AMP. / AUX
SELECT
Q4811, Q4812
SWPON
SW-PON
Q4801, Q4802
SMUTE
S-MUTE
TU-L, TU-R
DRIVER
TU-SW
HPOUT-L
HPOUT-R
IC475
IC601
IC478
HP
TUNER
AMP.
AMP.
HP-L
HP-R
CN420
FW601
Tuner
TU9V
Pack
FL display section (Headphone)
<Subwoofer section>
SW.P.ON, SETUP
SYSTEM
C,SW
IC158 SL,SR,L, R CONN.
to
IC160
AMP.
VOL_DT
IC153
VOL_CK
6CH
VOL.
Mini Din
DIGITAL
DIN CONN.
IC151
IN
TU-SW IC152
AUDIO
SW
AUX-L J1101
AUX-R
AUX IN
IC431
VIDEO
DRIVER
CR-R Cr
COMPONENT
CB-B Cb
VIDEO OUT
Y2-G Y
C
C
CV-Y1
CV
CV-Y1
IC441
VIDEO
SW
CV
C
R/C
G
R
SCART
B
CONNECTOR
SCART-LIN, SCART-RIN
HEAD
HP-L,HP-R,HP-DET
PHONE
AC IN
OUT
Amplifier section
J2702
IC201
FLOUT
POWER
RY271
AMP. FROUT
FCOUT
RY272
SLOUT
IC202
POWER
SROUT
AMP.
RY273
IC301
C, SW
SW_SIG
SL, SR AMP.
SR_SIG
L, R
IC302
AMP.
SP_RELAY+
AD_SL AD_L
SP_RELAY-
AD_C AD_R
CN273 CN272 CN271
CN502 CN372 CN501
TO SW
SW_SIG
SPEAKER
Q523 to Q525
IC303
PROTECTOR
AMP.
PROTECT
SP_RELAY+
SP_RELAY-
Q603
IC601
Q604
MICOM
P.ON_SIG
Q542
P.ON_SIG
LOW VOLTAGE
DETECTOR
P.ON_SIG
Q501 to Q505
POWER CONTROL
& PROTECTOR
+5V
Q152
5V_REG.
+7V
D165 -7V
7V_REG.
+VH, -VH D166
-7V_REG.
+VL, -VL
D151, D152
CN152
T101
RY101
POWER
TRANS.
Mother section
2-1