Block Diagram - JVC PD-42V475 Service Manual

BLOCK DIAGRAM

RECEIVER PWB
TV_A
TU3001
TV_V1
U/V FRONTEND
IC3104
FIX/VARI SW
AV JACK PWB ANALOG SIGNAL PWB
J2007
LOUT/ROUT
AUDIO OUT
J2001
Y1/C1
S-VIDEO
INPUT-1
V1
V
L1/R1
L/R
J2001
Y2/C2
S-VIDEO
INPUT-3
V2
V
L2/R2
L/R
J2004
V3
V
INPUT-2
L3/R3
L/R
J2005
CPY1
INPUT-1 Y
CPB1
COMPONENT
Cb
VIDEO
CPR1
Cr
J2003
CPY3
Y
INPUT-2
CPB3
Cb
COMPONENT
VIDEO CPR3
Cr
J2004
EUROL4/EUROR4
DEIGITAL_IN
AUDIO
(ANALOG)
FRONT CONTROL PWB
J1101
Y4/C4
S-VIDEO
INPUT-4
V4
V
L4/R4
L/R
J1401
PC_R,PC_G,PC_B
PC_HS,PC_VS
PC-INPUT
IC3101
MTS DEMOD./AUDIO CONTROL/AUDIO SELECT
MAIN
STEREO MAIN
LPF
LPF
SUB
SUB
LPF
SAP
SAP SAP
IC3105
LPF
BPF
AMP
LOUT_US
ROUT_US
VOL BASS/ AGC
TREBLE
LIP_L
LIP_R
IC3102
AMP
L/R
IC501
VIDEO/AUDIO SELECT
TV_V1
V1
V2
MAIN_VYO
V3
V4
SUB_C
SUB_VY
SUB_VY
Y1/C1
MAIN_C
Y2/C2
Y4/C4
SUB_C
CVBS_out
Y/C
IC802
PC_HS
3LINE
L1/R1
L_SWMAIN COMB FILTER
L2/R2
R_SWMAIN
L3/R3
PC_VS
L4/R4
L_SWSUB
R_SWSUB
No. YA099
DIGITAL INTERFACE
SIGNAL PWB
PWB
DE-
EMPHASIS
MATRIX
L/R L/R
DE-
EMPHASIS
L/R
IC801
COLOR DEMOD./SYNC SEP.
C Y S_Y
Cb S_B_Y
COLOR
Cr S_R_Y
DEMOD.
Y
YUVSWH2
YUVSWV2
S_HD
H.DRIVE
SYNC
SEP. S_VD
V.DRIVE
IC201
SYNC SEP./SW/DETECT
S_HD
YUVSWH2
S_VD
YUVSWV2
SYNC
SEP.
DETECT
YUVSWY1
IC301
COMPONENT VIDEO/
AUDIO SELECT
YUVSWY1
YUVSWPB1
CPY1/CPB1/CPR1
YUVSWPR1
CPY3/CPB3/CPR3
PC_R/PC_G/PC_B
YUVSWY2
YUVSWPB2
YUVSWPR2
COMP_L
COMP_R
CONVERT
EUROL4/EUROR4
DIGI_DL/DIGI_DR
2-7 2-8
IC6521
BBE/SURROUND/AOUDIO CONTROL
L/R SURROUND
AGC VOL1 BBE TONE VOL2
PROCESS
IC1001
A-D CONVERT/3D YC SEPARATE/COLOR DEMOD./SYNC SEP.
IC1502
SYNC
MAIN SCREEN
SEP.
INPUT SW
MAIN_VYO
DEC_Y
YUVSWY1
A-D
10bit
CONVERT
MAIN_C
YC SEP.
(3D/3L)
YUVSWPB1
A-D
YUVSWPR1
MULTIPLEX
8bit
CONVERT
8
8
IC4001
3DHS
IC3001
3DVS GAMMA CORRECTION/ COLOR MANAGEMENT/
RGB PROCESS/ OSD COMPOSITION
IPHS
IPVS
GAMMA
CORRECTION
IPY
3DY
IP PB
10
3DRB IP PR
FORMAT CONVERT
/MULTI-SCREEN
A-D
/NATURAL CINEMA
RGB
/DSD
PROCESS
IC4003
DQ ADRS
FLASH
CPU
MEMORY
YUVSWY2
IC3501
YUVSWPB2
YUVSWPR2
IC3502
IC4004
MEMORY
EEPROM
MI_RX
MI_TX
SCL
IC7002 IC7001
SDA WAKE
CHASSIS
CHASSIS
MEMORY
CPU
8
POWER
PLDR_UV
_LED
PLDG_Y
PLDB
PDP_RX
PDP_TX
SCL
IC805
SDA
PANEL
RX0+/-
DIN_HS
RX1+/- MEMORY
DIN_VS
RX2+/-
INTERFACE PWB
RXC+/-
HDMI DIGITAL_IN
DRIVER (VIDEO/AUDIO)
AUDIO SDTI
D-A
TEMP. SENSOR PWB
No. YA099
AUDIO PWB
SPEAKER(L)
IC6621
L
COMPALATOR
IC6661
IC6551 L/R IC6552
L/R DIGITAL
AMP AUDIO
HPF
R
OUT
SPEAKER(R)
DIGITAL SIGNAL PWB
3DHS
3DVS
Y Y
3DY 8
ITU-R656
R-Y
COLOR
8bit
DEMOD.
FORMAT 3DRB 8
B-Y
C
COLOR
MANAGEMENT
0+/-
LVR
1+/-
OSD
LVG
2+/-
IC6502
MIX LVB
8
3+/-
LVDS FORMAT
CONVERSION
OSDR
3
OSDG
OSDB
SCL
IC7601 IC7602
SDA
MAIN MAIN
CPU MEMORY
PDP
KEY1 REMO
KEY2 (PANEL)
FRONT LED PWB
POWER_LED
D1744
IC807
IC1742
PANEL
REMO
REMOTE
CPU
SENSOR
FRONT CONTROL
PWB
IC8101
KEY1
TEMP.
KEY2
SENSOR