JVC TH-P3A Service Manual page 38

Block diagram
DVD servo contro section
A, B, C, D, E, F
RF+ , LPC1, LPC2
DVD pickup
mechanism
LPCO1
Q101 LPCO2
LD(CD) CDLDCUR
to
LD(DVD) DVDLDCUR
Q104
LASER
DRIVER
FM+/-
WOUT
F+/-
VOUT SPDRV, TRSDRV
T+/-
UOUT FODRV, TRDRV
COM IC201
SPMUTE, FG
DVD traverse
DRIVER
TRVSW
mechanism
SDA
SCL
IC510 WP
EEPROM
X301
27MHz
IC303,X302
48MHz
Front section
USB
KEY1, KEY2
D511
S531 to S538
STANDBY LED
PANEL SW
IC511 REMOCON
REMOCON
F+/-, -VDISP, D5V, B5V
S1 to S17
DI501 IC501 DI-DT, DI-CK, DI-CS
G1 to G11
FL DISPLAY FL DRIVER
HEAD
PHONE
Regulator section
D9001
T901
AC
L901
D9002
D901 POWER
IN L902
TRANS.
D9003
IC953,Q9041
+5.6V DC/DC
CONVERTER
Q9001,Q9003
IC901
+12V DC/DC
SWITCH REG.
CONVERTER
Q9011,Q9013
Q9031,Q9032
+9V DC/DC
IC951,PC901
CONVERTER
SYS_P.ON
S2UDT, U2SDT, UCLK, SCS, UCS
CPURST, DAC1OUT, DAC2OUT
DAC3OUT, DAC4OUT, DAC5OUT
CPURST
EXDT0 to 15,EXADT0 to 15
D1.2V
EXADR16 to 20
IC509
NEXCE, NEXOE, NEXWE
FLASH
ROM
MA0 to 11, MDQ0 to 15
BA0, BA1, MCK, DQM0, DQM1 S3.3V
NCSM, NRAS, NCAS, NWE IC505 P3.3V
SDRAM
IC301
IC706,IC707 DACCK+/-
DVN DACCK
DACCK BUFFER
AUTO0 to 2, ADIN, BCK, LRCK, LRMUTE
IC801,Q801
NEN, NOC
5V REG.
D5.6V
IC811
NOE, RCV USB TRANSCEIVER
VP, VM, SPD
D+/- VBUS
SUSPEND
VPO, VMO
CN811
CN801
DVD loader section
D+/-
VBUS
KEY1
KEY2
STANDBY STANDBY
DI-DT
DI-CK
DI-CS
REMOCON
F+/-, -VDISP
D5V, B5V
HP-L/R HP-DET
HP-DET
HP_L/R
+33V
Q9039 +33V
Q9036
F+/-
FL SW
D5.6V
Q9037
-VDISP
D5.6V
-VDISP
B5.6V
D5.6V
B5.6V
12V
D5.6V
12V
12V
SYS_P.ON
M9V
M9V
12V
Micom / Audio section
C(DAC5OUT), Y1(DAC4OUT), Y2-G(DAC1OUT)
CB-B(DAC2OUT), CR-R-C(DAC3OUT)
DVD_PWR, DVD_S2UDT, DVD_SCS, DVD_RST
U2SDT, SLCK, UCS
IC302
DVD_PWR
D1.2V
DVD_CK
REG. D2V
DVD_UCS
IC473
DVD_U2SDT
LEVEL
IC305
SHIFT
3.3V
REG. D4V
DACCK+/-
IC461
A/D
ADIN, BCK, LRCK
CONVERTER
AUTO0 to 2
BCK, LRCK
PWM_MUTE
LRMUTE
Q4601
LO_CLOSE
IC493
TRAY+/-
LO_OPEN
S1 LOADER
DRIVE
LOADING
MOTOR
LO_SWOP
LO_SWCL
EEP_DT
EEPWP
IC477 EEP_CK
EEPROM
IC472 RESET
RESET
X4701
8MHz
HP_MUTE
IC109,IQ1001
HP MUTE
IC492
D3.3V D3.3V
REG.
PWM_MUTE
IC491
PWM_RST
A5V A5V
REG.
IC105
IC494
Q1101,Q1201
A9V A9V
HP AMP &
REG.
DEMODURATOR
Video Output, AUX Input section
C, Y1, Y2-G, CB-B, CR-R-C
V_LPF, V_RGB, V_YCMIX
V_MUTE1, V_MUTE2
V_LPF
V_RGB
V_YCMIX
V_MUTE1
V_MUTE2
A_SW1
A_SW2 IC652
ADIN-L/R
ADIN-L/R Q6601
A_LEVEL
Q6701
TU_DTO
BUFFER
TUCK
TU_DTI
TU_CE
A_SW1
A_SW2
A_LEVEL
TU_DTO
TUCK
TU_DTI
TU_CE
FAN
M
IC471
CN417
SYSTEM
MICOM FAN_STOP
FAN_ON Q4201 to Q4203
FAN DRIVE
PWM_DT
PWM_CK
Q1002
SAFETY3
Q1003
IC108
SDA
Q1701
SCL
to
AUTO0 to 2
Q1704
BCK, LRCK
SD
DC DET.
PWM_MUTE
OTW
DACCK+
IC103
VALID1
POWER
PWM1, PWM2
AMP
IC102
PWM
VALID2
PROCESSOR IC104
PWM3, PWM4
POWER
PWM5, PWM6
AMP
Pr
Pb
VIDEO OUT
Y
IC601
(COMPONENT)
VIDEO
DRIVER
C
Y
VIDEO OUT
CV
(S-VIDEO/
COMPOSITE)
IC651
Q6501
AUX_L/R
AUX IN
Q6502
INPUT
SELECT
TU_L/R
CN652
TUNER
SP_MEAS
Q1103, Q1203
Q1303, Q1403
Q1503, Q1603
SIGNAL DET.
C+
SW+
RL+ SPEAKER
RR+
TERMINAL
FL+
FR+
2-1