JVC AV-21M316 Service Manual page 59

CONTENTS
USING P.W.BOARD.......................................................................................2-2
SEMICONDUCTOR SHAPES ......................................................................2-2
BLOCK DIAGRAM ........................................................................................2-3
CIRCUIT DIAGRAMS ....................................................................................2-5
MAIN PWB CIRCUIT DIAGRAM (1/4),(2/4) ................................................................................................ 2-5
MAIN PWB CIRCUIT DIAGRAM (3/4),(4/4) ................................................................................................ 2-7
BASS PWB CIRCUIT DIAGRAM ................................................................................................................ 2-9
PATTERN DIAGRAMS ............................................................................... 2-11
MAIN PWB PATTERN ...............................................................................................................................2-11
BASS PWB PATTERN ............................................................................................................................. 2-13
VOLTAGE CHARTS .................................................................................. 2-15
WAVEFORMS ............................................................................................ 2-16
USING P.W. BOARD
P.W.B ASS'Y name
MAIN P.W. BOARD
BASS P.W. BOARD
SEMICONDUCTOR SHAPES
TRANSISTOR
BOTTOM VIEW
E
C
B
IC
BOTTOM VIEW
OUT
E
IN
CHIP IC
N
1
2-2(No.YA472)
AV-21M316/V
SCW-1633A-CK
SCW-6004A-CK
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