JVC LT-23D50BK Service Manual page 78

CONTENTS
SEMICONDUCTOR SHAPES ......................................................................2-2
BLOCK DIAGRAM ........................................................................................2-3
CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM ................................................................................................................ 2-5
SIDE CONTROL PWB CIRCUIT DIAGRAM ............................................................................................. 2-29
LED PWB CIRCUIT DIAGRAM ................................................................................................................. 2-29
AV JACK PWB CIRCUIT DIAGRAM ......................................................................................................... 2-30
HEADPHONE JACK PWB CIRCUIT DIAGRAM ........................................................................................ 2-30
PATTERN DIAGRAMS
MAIN PWB PATTERN .............................................................................................................................. 2-31
SIDE CONTROL PWB PATTERN ............................................................................................................. 2-35
AV JACK PWB PATTERN ........................................................................................................................ 2-35
LED PWB PATTERN ................................................................................................................................ 2-36
HEADPHONE JACK PWB PATTERN ....................................................................................................... 2-36
USING P.W. BOARD
P.W.B ASS'Y name
MAIN P.W. BOARD
SIDE CONTROL P.W. BOARD
LED P.W. BOARD
AV JACK P.W. BOARD
HEADPHONE P.W. BOARD
SEMICONDUCTOR SHAPES
TRANSISTOR
BOTTOM VIEW
E
C
B
IC
BOTTOM VIEW
OUT
E
IN
CHIP IC
N
1
2-2(No.YA221)
P.W.B ASS'Y number
VE-20184629
VE-20174624
VE-20174629
VE-20177847
VE-20177874
FRONT VIEW
B C E
E C B
( G ) ( D ) ( S )
FRONT VIEW
IN E OUT
TOP VIEW
E C B
1
1 N
1
N
TOP VIEW
CHIP TR
C
E C B B E
TOP VIEW
1
N
N