JVC LT-20J50SJ Service Manual page 50

CONTENTS
SEMICONDUCTOR SHAPES ......................................................................2-2
BLOCK DIAGRAM ........................................................................................2-3
WIRING DIAGRAM ........................................................................................2-5
CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM ................................................................................................................ 2-7
SIDE CONTROL PWB CIRCUIT DIAGRAM ............................................................................................. 2-17
LED PWB CIRCUIT DIAGRAM ................................................................................................................. 2-17
AV JACK PWB CIRCUIT DIAGRAM ......................................................................................................... 2-18
PATTERN DIAGRAMS
MAIN PWB PATTERN .............................................................................................................................. 2-19
SIDE CONTROL PWB PATTERN ............................................................................................................. 2-23
LED PWB PATTERN ................................................................................................................................ 2-23
AV JACK PWB PATTERN ........................................................................................................................ 2-24
USING P.W. BOARD
P.W.B ASS'Y name
MAIN P.W. BOARD
AV JACK P.W. BOARD
SIDE CONTROL P.W. BOARD
LED P.W. BOARD
SEMICONDUCTOR SHAPES
TRANSISTOR
BOTTOM VIEW
E
C
B
IC
BOTTOM VIEW
OUT
E
IN
CHIP IC
N
1
2-2(No.YA413)
LT-20J50SJ
VE-20255339
VE-20239086
VE-20235650
VE-20247127
FRONT VIEW
B C E
E C B
( G ) ( D ) ( S )
FRONT VIEW
IN E OUT
TOP VIEW
LT-20J50SU
E C B
1
1 N
1
N
TOP VIEW
CHIP TR
C
E C B B E
TOP VIEW
1
N
N