JVC InteriArt AV-2986ME Service Manual page 105

CONTENTS
SEMICONDUCTOR SHAPES ......................................................................2-2
USING P.W.BOARD.......................................................................................2-2
BLOCK DIAGRAM ........................................................................................2-3
CIRCUIT DIAGRAMS ....................................................................................2-5
MAIN PWB CIRCUIT DIAGRAM [AV-2986ME, AV-29MX76/G] (1/2)(2/2) .................................................... 2-5
MAIN PWB CIRCUIT DIAGRAM [AV-29MS26] (1/2)(2/2) ............................................................................ 2-9
CRT SOCKET PWB CIRCUIT DIAGRAM ................................................................................................. 2-13
FRONT CONTROL PWB CIRCUIT DIAGRAM .......................................................................................... 2-15
BASS PWB CIRCUIT DIAGRAM .............................................................................................................. 2-17
PATTERN DIAGRAMS .............................................................................. 2-19
MAIN PWB PATTERN .............................................................................................................................. 2-19
CRT SOCKET PWB PATTERN ................................................................................................................. 2-21
FRONT CONTROL PWB PATTERN ......................................................................................................... 2-22
BASS PWB PATTERN ............................................................................................................................. 2-23
VOLTAGE CHARTS .................................................................................. 2-25
WAVEFORMS ............................................................................................ 2-26
USING P.W. BOARD
PWB ASS'Y name
MAIN P.W. BOARD
CRT SOCKET P.W. BOARD
FRONT CONTROL P.W. BOARD
BASS P.W. BOARD
CHOKE P.W. BOARD
SEMICONDUCTOR SHAPES
TRANSISTOR
BOTTOM VIEW
E
C
B
IC
BOTTOM VIEW
OUT
E
IN
CHIP IC
N
N
N
1
N
2-2(No.YA447)
AV-2986ME AV-29MS26
SCW-1926A-H2 SCW-1927A-H2
SCW-3037A-H2
SCW-8019A-H2
SCW-6003A-H2
SCW-9001A-H2
FRONT VIEW
B C E
E C B
( G ) ( D ) ( S )
FRONT VIEW
IN E OUT
TOP VIEW
AV-29MX76/G
SCW-1933A-H2
E C B
1
1 N
1
N
TOP VIEW
CHIP TR
C
B E
E C B
TOP VIEW
1
N
N