JVC LT-37R70BU Service Manual page 47

CONTENTS
SEMICONDUCTOR SHAPES ......................................................................2-2
BLOCK DIAGRAM ........................................................................................2-3
WIRING DIAGRAM ........................................................................................2-5
CIRCUIT DIAGRAMS ....................................................................................2-7
ANALOG PWB CIRCUIT DIAGRAM ........................................................................................................... 2-7
DIGITAL PWB CIRCUIT DIAGRAM .......................................................................................................... 2-19
MAIN POWER PWB CIRCUIT DIAGRAM ................................................................................................ 2-51
LED PWB CIRCUIT DIAGRAM ................................................................................................................. 2-55
SW PWB CIRCUIT DIAGRAM ................................................................................................................. 2-57
D-AMP PWB CIRCUIT DIAGRAM ............................................................................................................ 2-59
DC-DC PWB CIRCUIT DIAGRAM ............................................................................................................. 2-61
PATTERN DIAGRAMS .............................................................................. 2-63
ANALOG PWB PATTERN ........................................................................................................................ 2-63
DIGITAL PWB PATTERN ......................................................................................................................... 2-65
MAIN POWER PWB PATTERN ................................................................................................................ 2-69
DC-DC PWB PATTERN ............................................................................................................................ 2-71
D-AMP PWB PATTERN ............................................................................................................................ 2-72
SW PWB PATTERN ................................................................................................................................. 2-73
LED PWB PATTERN ................................................................................................................................ 2-74
VOLTAGE CHARTS .................................................................................. 2-75
WAVEFORMS ............................................................................................ 2-77
USING P.W. BOARD
PWB ASS'Y name LT-37R70BU
ANALOG P.W. BOARD SFL-1246A-U2
D-AMP P.W. BOARD SFL-6222A-U2
SW P.W. BOARD SFL-7209A-U2
LED P.W. BOARD SFL-8902A-U2
MAIN POWER P.W. BOARD SFL-9047A-U2
DC-DC P.W. BOARD SFL-9159A-U2
DIGITAL P.W. BOARD SFL0D263A-U2
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.YA406)
LT-37R70BU/B LT-37R70BU/P LT-37R70BU/Q
SFL-7206A-U2 SFL-7209A-U2
LCA10599-92C(SFL0D263A-SJ)
FRONT VIEW
B C E
( G ) ( D ) ( S )
FRONT VIEW
1
IN E OUT
TOP VIEW
LT-37R70SU LT-37R70SU/B
SFL0D263A-U2
E C B
E C B
1 N
N
1
N
LT-37R70SU/P LT-37R70SU/Q
SFL-7206A-U2 SFL-7209A-U2
LCA10599-92C(SFL0D263A-SJ)
TOP VIEW
CHIP TR
C
B E
TOP VIEW
1
N