JVC LT-17X475 Schematics

Page 1
SCHEMATIC DIAGRAMS
LCD FLAT TELEVISION

LT-17X475

CD-ROM No. SML200409
COPYRIGHT © 2004 Victor Company of Japan, Limited
No.YA035
2004/9
Page 2
LT-17X475 STANDARD CIRCUIT DIAGRAMS
USING P.W. BOARD ..................................................................................................................................................................... 2-1
SEMICONDUCTOR ........................................................................................................................................................................ 2-1
BLOCK DIAGRAM ......................................................................................................................................................................... 2-2
CIRCUIT DIAGRAMS ................................................................................................................................................................... 2-3
MAIN PWB CIRCUIT DIAGRAM ........................................................................................................................................................... 2-3
IR SENSOR PWB CIRCUIT DIAGRAM .............................................................................................................................................. 2-33
AV JACK PWB CIRCUIT DIAGRAM ................................................................................................................................................... 2-35
FRONT CONTROL PWB CIRCUIT DIAGRAM .................................................................................................................................. 2-35
TUNER PWB CIRCUIT DIAGRAM .....................................................................................................................................................2-35
PATTERN DIAGRAMS ............................................................................................................................................................... 2-37
MAIN PWB PATTERN ......................................................................................................................................................................... 2-37
IR SENEOR PWB PATTERN .............................................................................................................................................................. 2-39
AV JACK PWB PATTERN ................................................................................................................................................................... 2-39
FRONT CONTROL PWB PATTERN .................................................................................................................................................. 2-39
TUNER PWB PATTERN .....................................................................................................................................................................2-39

USING P.W. BOARD

MAIN P.W. BOARD DA-5097631900 (PWB-0692-1)
IR SENSOR P.W. BOARD DA-5097631900 (PWB-0692-2)
AV JACK P.W. BOARD DA-5098800682 (PWB-0693-1)
FRONT CONTROL P.W. BOARD DA-5098800683 (PWB-0693-2)
TUNER P.W. BOARD DA-5098800684 (PWB-0693-3)

SEMICONDUCTOR SHAPES

TRANSISTOR
BOTTOM VIEW
E C
B
ECB
(G)(D)(S )
IC
B OT TO M V I EW FR O NT V I EW T OP V I EW
OUT
E
IN
IN OUTE
CHIP IC
N
N
BCE
FRONT VIEW
1 N
TOP VIEW
ECB
1
ECB
1 N
TOP VIEW
CHIP TR
1
C
BE
N
N
1
N
N
(No. YA035) 2-1
Page 3

BLOCK DIAGRAM

P603
(Speaker)
FRONT
(Headphone)
P604
P604P602
(TPA1517)
Audio amp
CONTROL
P015 P016 P017
Audio Out
PWB
Port B
24bit
P008P005
LCD PANEL
LVDS I/F
Sync
INVERTER
P007 P003
(DS90CF383)
Scaler
(TP6760)
8bit
Port V
24bit
P002
Port A
PWB
IR SENSOR
P601
MCU
(W78E65)
PROM
2
E
(MSP3440G)
Audio Processor
&
CV Audio
MTS
TV
(Video)
TV
(Audio)
P001
P012
TUNER PWB
AV/SV Audio
PC Audio
(PI5V330)
AV
P020
ADC
(AD9883A-110)
CV
P006
De-
(Z86129)
V-Chip&C.C.
SV
AV
PWB
JACK
(PI5V330)
Macrovision
Y/C Sepa.
(TC90A65F)
AV
SV
CV
(SiI504)
De-Interlace
ADC
(SAA7118)
Video decoder
VGA
(AD9883A-110)
PJ01
12V
5V
12V
3.3V
2.5V
1.8V
Power
Supply
P020
AC
Adapter
50/60Hz
110/220V
MAIN PWB
No. YA0352-2
Page 4

CIRCUIT DIAGRAMS

MAIN PWB CIRCUIT DIAGRAM (1/15)

No. YA035
2-3 2-4
Power save
Sheet 2,7,11,12,13
MAIN PWB ASS'Y (1/15)
No. YA035
Page 5

MAIN PWB CIRCUIT DIAGRAM (2/15)

Sheet 9,10,11
Sheet 11
Sheet 11
FRONT CONTROL PWB P602
Sheet 3,4,6,7,8,9,10,13
Sheet 3,4,6,7,8,9,10,13
Sheet 11
Sheet 4
Sheet 14
Sheet 1,7,11,12,13
Sheet 8,10
Sheet 11
Sheet 11
Sheet 11
MPU
Sheet 15
MAIN PWB ASS'Y (2/15)
IR SENSOR PWB P601
No. YA035
2-5 2-6
No. YA035
Page 6

MAIN PWB CIRCUIT DIAGRAM (3/15)

TUNER PWB P012
Sheet 2,3,4,6,8,9,10,13
Sheet 2,3,4,6,8,9,10,13
MAIN PWB ASS'Y (3/15)
No. YA035 2-7 2-8
No. YA035
Page 7

MAIN PWB CIRCUIT DIAGRAM (4/15)

A/D CONVERTER
Sheet 12
Sheet 12
Sheet 12
Sheet 2,3,4,6,7,8,9,10,13
Sheet 11
Sheet 2,3,4,6,7,8,9,10,13
Sheet 11
Sheet 2
Sheet 11
No. YA035
2-9 2-10
MAIN PWB ASS'Y (4/15)
No. YA035
Page 8

MAIN PWB CIRCUIT DIAGRAM (5/15)

AV JACK PWB P020
Sheet 8,9
Sheet 9
Sheet 9
Sheet 6,9
Sheet 6,9
Sheet 6,9
Sheet 13
Sheet 13
Sheet 13
Sheet 13
MAIN PWB ASS'Y (5/15)
No. YA035 2-11 2-12
No. YA035
Page 9
NOTE: The circuit block in the bold line is included in the MAIN PWB circuit block. The service parts of the MAIN PWB is available including this circuit block.
Sheet 2,3,4,7,8,9,10,13
Sheet 2,3,4,7,8,9,10,13
Sheet 5,9
Sheet 5,9
Sheet 5,9
Sheet 11
Sheet 9
Sheet 9
Sheet 5,9
Sheet 5,9
MAIN PWB ASS'Y (6/15)
A/D CONVERTER
Sheet 11
Sheet 11
Sheet 11
Sheet 11
Sheet 15
Sheet 11

MAIN PWB CIRCUIT DIAGRAM (6/15)

No. YA035
2-13 2-14
No. YA035
Page 10
NOTE: The circuit block in the bold line is included in the MAIN PWB circuit block. The service parts of the MAIN PWB is available including this circuit block.
Sheet 9
Sheet 9
Sheet 2,8
MAIN PWB ASS'Y (7/15)
Y/C SEP.
Sheet 2,3,4,6,7,8,9,10,12,13
Sheet 2,3,4,6,7,8,9,10,12,13
Sheet 8

MAIN PWB CIRCUIT DIAGRAM (7/15)

No. YA035 2-15 2-16
No. YA035
Page 11

MAIN PWB CIRCUIT DIAGRAM (8/15)

Sheet 5
Sheet 5
Sheet 2,7
Sheet 9
Sheet 9
Sheet 9
Sheet 9
Sheet 2,3,4,6,7,9,10,12,13
Sheet 2,3,4,6,7,9,10,12,13
Sheet 9
Sheet 7
V-Chip, CC
MAIN PWB ASS'Y (8/15)
No. YA035
2-17 2-18
No. YA035
Page 12

MAIN PWB CIRCUIT DIAGRAM (9/15)

Sheet 5,8
Sheet 5,8
Sheet 8
Sheet 5
Sheet 5
Sheet 7
Sheet 7
Sheet 8
Sheet 5,6
VIDEO DECODER
COMB FILTER
Sheet 8
Sheet 10,11
Sheet 2,3,4,6,7,8,10,13
Sheet 2,3,4,6,7,8,10,13
Sheet 10,11
No. YA035 2-19 2-20
MAIN PWB ASS'Y (9/15)
No. YA035
Page 13

MAIN PWB CIRCUIT DIAGRAM (10/15)

Sheet 11
Sheet 2,3,4,6,7,8,9,13
Sheet 2,3,4,6,7,8,9,13
Sheet 2,9,11
Sheet 9,11
Sheet 9,11
Sheet 9,11
Sheet 9,11
Sheet 2,8
Sheet 11
Sheet 11
De -Interlace
Sheet 11
Sheet 11
No. YA035
2-21 2-22
MAIN PWB ASS'Y (10/15)
No. YA035
Page 14

MAIN PWB CIRCUIT DIAGRAM (11/15)

Sheet 2,9,10
Sheet 15
Sheet 6
Sheet 12
Sheet 12
Sheet 12
Sheet 9,10
Sheet 2
Sheet 4
Sheet 10
Sheet 2,5,7,10,13,14
Sheet 4
Sheet 9,10
Sheet 2
Sheet 2
Sheet 6
PC
MAIN
Sheet 4
Sheet 4
SCALER
Sheet 6
Sheet 6
Sheet 6
Sheet 12
Sheet 4
No. YA035 2-23 2-24
MAIN PWB ASS'Y (11/15)
No. YA035
Page 15

MAIN PWB CIRCUIT DIAGRAM (12/15)

Sheet 11
Sheet 11
Sheet 11
INVERTER
Sheet 11
Sheet 1,2,7,11,12,13
LCD PANEL
No. YA035
LVDS DECODER
2-25 2-26
MAIN PWB ASS'Y (12/15)
No. YA035
Page 16

MAIN PWB CIRCUIT DIAGRAM (13/15)

Sheet 5
Sheet 5
Sheet 2,3,4,6,7,8,9,10
Sheet 2,3,4,6,7,8,9,10
Sheet 5
Sheet 5
Sheet 1,7,11,12
MTS
Sheet 14
Sheet 14
MAIN PWB ASS'Y (13/15)
No. YA035 2-27 2-28
No. YA035
Page 17

MAIN PWB CIRCUIT DIAGRAM (14/15)

Sheet 2
Sheet 13
Sheet 13
AUDIO AMP
FRONT CONTROL PWB P604
No. YA035
2-29 2-30
MAIN PWB ASS'Y (14/15)
No. YA035
Page 18

MAIN PWB CIRCUIT DIAGRAM (15/15)

Sheet 6
Sheet 2
Sheet 11
MAIN PWB ASS'Y (15/15)
No. YA035 2-31 2-32
No. YA035
Page 19

IR SENSOR PWB CIRCUIT DIAGRAM

MAIN PWB (2/15) P003
IR SENSOR PWB ASS'Y
No. YA035
2-33 2-34
No. YA035
Page 20

AV JACK PWB/ FRONT CONTROL PWB/ TUNER PWB CIRCUIT DIAGRAMS

MAIN PWB (5/15) P006
AV JACK PWB ASS'Y
C026
330P
C034
330P
GND-IN
GND-IN
C032
330P
C025
GND-IN
330P
MAIN PWB (3/15) P001
ANTENNA
ANT
TUNER PWB ASS'Y
UT01
FQ1236
RT04
CT07
CT04
0
NC
CT02
CT05
1000P(NC)
0.1uF
0.1uF
CT01
RT07
1K (NC)
100uF/16V
RT08
0
RT06
0
CT08
47P (NC)
100UH
HH-1M2012-300(NC)
CT09
100uF/16V
27UH(NC)
0(NC)
LT10
100UH
CT10
47P(NC)
RT03
RT05
0
CT06
CT03
47P(NC)
5V_TUNER
5V_TUNER
5V_TUNER
100uF/16V
C029
C024
C027
C028
330P
330P
330P
330P
C033
C030
330P
330P
C031
330P
SPEAKERS
MAIN PWB (14/15) P005
MAIN PWB (2/15) P002
FRONT CONTROL PWB ASS'Y
No. YA035
2-35 2-36
No. YA035
Page 21

PATTERN DIAGRAMS

MAIN PWB PATTERN

TOP
No. YA035
2-37 2-38
No. YA035
Page 22
IR SENSOR PWB PATTERN
AV JACK PWB PATTERN
FRONT CONTROL PWB PATTERN
TUNER PWB PATTERN
No. YA035 2-39
Page 23
Victor Company of Japan, Limited
AV & MULTIMEDIA COMPANY VIDEO DISPLAY CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan
(No. YA035)
Printed in Japan
WPC
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