Block Diagram - JVC LT-37DR1BJ Service Manual

BLOCK DIAGRAM

TU2001
CVBS
DIGITAL/ANALOG
IF
(VHF/UHF) TUNER
IC3001
HDMI
SELECT
HM_ADT0PX/NX
EXT-4
HM_ADT1PX/NX
HDMI 1
HM_ADT2PX/NX
EXT-5
HDMI 2
EXT-6
HDMI 3
CA-MDI0-7
CA-MDO0-7
CI SLOT
USB_DP
IC3501
USB
USB_DN
(PHOTO VIEWER/
USB CONTROL
MUSIC PLAYER)
SPDIF_OUT
DIGITAL AUDIO
OPTICAL OUT
IC2501
VIDEO SW
TU_CVBS_SCART
VTV OUT
IC2503
AUDIO SW
AUDIO_CL_L/R
LTV/RTV OUT
EXT-1
R1/G1/B1
V1
L1/R1
V2/Y2
C2
L2/R2
EXT-2
V2 OUT
AUDIO_OUT_L/R
L2/R2 OUT
Y3/PB3/PR3
EXT-3
L3/R3
PC IN
RGB_VGA
(D-SUB)
IC2001
DVB(COFDM)
DECODE
CVBS_4 IF_P/N TNR_TSD10-17
CONDITIONAL ACCESS
INTERFACE
MPEG SYSTEM
PROCESS
MPEG AUDIO MPEG VIDEO
DECODE DECODE
PCI_AD0-31
D-A
CONVERT
HDMI
INTERFACE
AUDIO VIDEO
SPDIF_OUT
Y
Pb
CVBS1_Y
Pr
IC2506
AUDIO AMP
CV
AV1_Y/PB/PR
AV1_V_CVBS
AUDIO_IN1_L/R
I 2 S
INPUT
AV2_V_CVBS
AV2_C
AUDIO_IN2_L/R A-D SOUND
CONVERT DEMODULATE
D-A
CONVERT
IC2505
AUDIO AMP
A-D
AV4_Y/PB/PR
CONVERT
AUDIO_IN3_L/R
IC1001
MICROCOMPUTER/IF PROCESS/VIDEO PROCESS/AUDIO PROCESS/
VIDEO SELECT/AUDIO SELECT/A-D CONVERT/D-A CONVERT/
FORMAT CONVERT
(No.YA688<Rev.001>)2-5
IC1502
IC1503 IC1004
FRAME SETTING
MEMORY MEMORY
SCL2
SDA2
SUB(STAND-BY)
MAIN CPU
CPU
OSD MIX
SCALING/
FORMAT CONVERT/
RGB PROCESS
A-D CONVERT/
COMPONENT
INTERFACE
A-D VIDEO DECODE/
CONVERT 3D COMB FILTER
2
I S
OUTPUT
HP_L
HP_R
VOLUME/ D-A
BALANCE/ CONVERT
M_L
TONE CONTROL/
M_R
EQUALIZE/ D-A
SURROUND CONVERT
D-A
CONVERT
2-6(No.YA688<Rev.001>)
MAIN PWB
POWER_LED
REMOCON
TA1+/-
TB1+/-
IC4001
B_OUT0-7
TC1+/-
G_OUT0-7
2D NOISE REDUCTION/ TD1+/-
R_OUT0-7
TE1+/-
ENHANCE/
GAMMA CORRECT/
TA2+/-
COLOUR MANAGEMENT/ TB2+/-
TC2+/-
RGB DRIVE/LVDS DRIVE
TD2+/-
TE2+/-
CMOSI
CMISO
CSCLK
CCS
SCL1
SCL3
IC4101 IC4102
SDA1
SDA3
AV PROCESS SETTING
CPU MEMORY
KEY1/2/3
IC4602
HP_L/R
HEADPHONE
AMP
IC4651
L/R L/R
AUDIO
OUT
LED PWB
D8601
POWER
IR PWB
IC8952
IR RECEIVE
LCD PANEL
SW PWB
POWER/
CONTROL
SWITCH
S7701 - S7707
HEADPHONE
J7001
SPEAKER (L)
SPEAKER (R)