JVC AV-21B116 Service Manual page 67

CONTENTS
SEMICONDUCTOR SHAPES ......................................................................2-2
BLOCK DIAGRAM ........................................................................................2-3
CIRCUIT DIAGRAMS ....................................................................................2-5
MAIN PWB CIRCUIT DIAGRAM [AV-21B116/B] (1/4)(2/4) .......................................................................... 2-5
MAIN PWB CIRCUIT DIAGRAM [AV-21B116/B] (3/4)(4/4) .......................................................................... 2-7
MAIN PWB CIRCUIT DIAGRAM [AV-V2160/B] (1/3) .................................................................................. 2-9
MAIN PWB CIRCUIT DIAGRAM [AV-V2160/B] (2/3)(3/3) .......................................................................... 2-11
PATTERN DIAGRAMS .............................................................................. 2-13
MAIN PWB PATTERN [AV-21B116/B] ....................................................................................................... 2-13
MAIN PWB PATTERN [AV-V2160/B] ........................................................................................................ 2-15
VOLTAGE CHARTS .................................................................................. 2-17
WAVEFORMS ............................................................................................ 2-19
USING P.W. BOARD
PWB ASS'Y name
MAIN 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.YA417)
AV-21B116/B AV-V2160/B
SCG-1550A-BK SCG-1557A-BK
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
B E
E C B
TOP VIEW
1
N
N