JVC LT-37DR1BJ Service Manual page 39

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 ........................................................................................................... 2-33
SW PWB CIRCUIT DIAGRAM .................................................................................................................. 2-35
LED PWB CIRCUIT DIAGRAM ................................................................................................................. 2-37
IR PWB CIRCUIT DIAGRAM .................................................................................................................... 2-39
PATTERN DIAGRAMS .............................................................................. 2-41
MAIN PWB PATTERN .............................................................................................................................. 2-41
POWER PWB PATTERN .......................................................................................................................... 2-45
SW PWB PATTERN ................................................................................................................................. 2-47
LED PWB PATTERN ................................................................................................................................ 2-47
IR PWB PATTERN .................................................................................................................................... 2-47
VOLTAGE CHARTS ................................................................................... 2-49
WAVEFORMS ............................................................................................ 2-51
USING P.W. BOARD
P.W.B ASS'Y name
MAIN P.W. BOARD
SW P.W. BOARD
LED P.W. BOARD
IR P.W. BOARD
POWER P.W. BOARD
SEMICONDUCTOR SHAPES
TRANSISTOR
BOTTOM VIEW
E
C
B
E C B
IC
BOTTOM VIEW
OUT
E
IN
CHIP IC
N
N
N
1
N
2-2(No.YA688<Rev.001>)
LT-37DR1BJ/PP
SFY-1008A-H3
SFY-7703A-H3
SFY-8603A-H3
SFY-8803A-H3
SFY-9007A-H3
FRONT VIEW
B C E
( G ) ( D ) ( S )
FRONT VIEW
1
IN E OUT
TOP VIEW
LT-37DR1BU/PP
E C B
E C B
1 N
N
1
N
TOP VIEW
CHIP TR
C
B E
TOP VIEW
1
N