JVC LT-42R90BU Service Manual

SEMICONDUCTOR SHAPES
CONTENTS
SEMICONDUCTOR SHAPES......................................................................2-2
WIRING DIAGRAM .......................................................................................2-3
BLOCK DIAGRAM........................................................................................2-5
CIRCUIT DIAGRAMS ...................................................................................2-7
MAIN PWB CIRCUIT DIAGRAM ................................................................................................................. 2-7
POWER PWB CIRCUIT DIAGRAM ........................................................................................................... 2-15
SW PWB CIRCUIT DIAGRAM .................................................................................................................. 2-19
LED PWB CIRCUIT DIAGRAM ................................................................................................................. 2-21
REMOTE PWB CIRCUIT DIAGRAM ......................................................................................................... 2-23
PATTERN DIAGRAMS .............................................................................. 2-25
MAIN PWB PATTERN .............................................................................................................................. 2-25
POWER PWB PATTERN .......................................................................................................................... 2-29
SW PWB PATTERN ................................................................................................................................. 2-31
LED PWB PATTERN ................................................................................................................................ 2-31
REMOTE PWB PATTERN ........................................................................................................................ 2-32
VOLTAGE CHARTS................................................................................... 2-33
WAVEFORMS ............................................................................................ 2-34
USING P.W. BOARD
IC
BOTTOM VIEW FRONT VIEW TOP VIEW
1 N
N
1
OUT
E
IN
IN OUTE
1 N
TOP VIEW
1
N
1
N
CHIP IC
TRANSISTOR
BOTTOM VIEW FRONT VIEW TOP VIEW
CHIP TR
E
C
B
ECB
C
BE
B
(
G
)
E
(
S
)
C
(
D
)
ECB
ECB
MAIN P.W. BOARD
POWER P.W. BOARD
SW P.W. BOARD
LED P.W. BOARD
REMOTE P.W. BOARD
SFT-1102A-H3
SFT-9053A-H3
SFT-7210A-H3
SFT-8210A-H3
SFT-7301A-H3
P.W.B ASS㵭Y name LT-42R90BU
2-2(No.YA596<Rev.001>)

JVC LT-42R90BU Specifications

General

Brand	JVC
Model	LT-42R90BU
Category	LCD TV
Language	English