JVC LT-26DR7BJ Service Manual page 56

BLOCK DIAGRAM
ANALOG SIGNAL PWB
UD3001
SIF_OUT
RF
TU3002
SPLIT
MONO
U/V FRONTEND
TV_MAIN
TV_L/
TV_R
DTU Y/DTU VIN/
DTU_Cr/DTU_Cb
DIGITAL
TUNER
DTU_RIN/DTULIN
UNIT
DIGITALTUNER UNIT
IC105
AMP
V TV OUT
V1/Y1 IN
J401 C1/R IN
EXT-1 LV1/RV1 IN
G1 IN
B1 IN
LTV OUT/RTV OUT
G2 IN
B2 IN
V2/Y2 IN
V SEL OUT
J402 C2/R IN
V2 L IN/V2 R IN
EXT-2
L SEL OUT/R SEL OUT
V3_C IN
J403
EXT-3
V3_Y IN
S
V3_V IN
V
V3_L/R IN
L/R
J405
V4_L/R IN
EXT-4
AUDIO IN
J405
AUDIO OUT
V4_G_Y
Q440~Q442
Y IC103
IN/OUT
V4_B_Cr
J405
AMP
Cb
SW
EXT-4
V4_R_Cr
VIDEO4 IC104
Cr
AMP
J410
PC IN
PC_R/B/G
VIDEO3
IC3501
MULTI SOUND PROCESS
AGC A-D DEMOD.
SOUND
DSP A-D
SELECT
OUTPUT
SELECT
D-A VOL MATRIX
IC101
VIDEO/AUDIO SELECT
DTU_V IN
DEC_Y
V1_VIN
MAIN_VY
V2_VIN
V3_VIN
SUB_VY
V3_YIN
Y/C
V1_YIN
V2_YIN MIX
DTU_YIN
V3_CIN
V1_CIN
SUB_C
V2_CIN
DTU_CIN
MAIN_C
DTU_L/R
TV_L/R
V1_L/R
MAIN_L/R
V2_L/R
V3_L/R
V4_L/R
MON_L/R OUT
FIX_L/R
MON_COUT
MON_VOUT
Y/C
MIX
DIGITAL PWB
BASS VOL DA
HDMI
DIGITAL IN
<EXT-5>
A-D
HDMI
DIGITAL IN
<EXT-6>
IF
LIP
SYNC
IC3505
SUB_VY
-IC3510
YM_IN/
BYM_IN/
RYM_IN
IC7303
SDRAM
(TEXT DATA)
IC7302
FLASH ROM
(PROGRAM)
IC102
VIDEO/AUDIO SELECT
MAIN_VY
DTU_Y
V1_G_Y
YMIN
V2_G_Y
PC_G
V4_G_Y
SUB_C
DTU_Cb
V1_B_Cb
BYMIN
V2_B_Cb
PC_B
V4_B_Cb
MAIN_C
DTU_Cr
V1_R_Cr
RYMIN
V2_R_Cr
PC_R
V4_R_Cr
VE/SURROUND/AUDIO CONTROL
VOL_L/R SURROUND
AGC VOL1
PROCESS
(No.YA408)2-3 2-4(No.YA408)
DV1_R0-7
DV1_G0-7
HDMI
DRIVER DV1_B0-7
DV1_R0-7
IC6401 IC6001
DV1_G0-7
A-D SUB CPU/
DV1_B0-7
A-D CONVERT / YC SEP./
CHROMA DEMOD./
FORMAT CONVERT/
Enhancer / NR
YC SEP./
A-D CHROMA DEMOD./
FORMAT
CONVERT/
Enhancer/
A-D
NR
MI_TX
MI_RX
MI_CLK
IC7301
MAIN MICOM OSDR3-5 /
OSDG3-5 /
OSDB3-5
IC751
AMP
HP_L/R
POWER_LED
IC601
VE TONE VOL2
IC6101
SD_DQ1-32
DDR-SDRAM
A0-21 IC7201
D0-15
FLASH ROM
A0-21 IC7203
D0-15
FLASH ROM
SUB CPU
IC6502
RGB
OSD
LVDS
PROCESSOR MIX
DRIVER
LCD
(PANEL)
SW PWB
KEY_1,2
SW
S7701~S7706
MECA_SW
POWER
S7707
HEADPHONE
J7001
LED PWB
D8905
POWER
REMOCON
IC8952
REMOTE
RECEIVER
SPEAKER(L)
IC6501 IC6661
AMP_L/R
HPF AUDIO OUT
D-AMP PWB
SPEAKER(R)