2-4
No. 56018
AV-21PS
CONTENTS
SEMICONDUCTOR SHAPES ........................................................... 2-4
BLOCK DIAGRAM ............................................................................ 2-5
CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM ............................................................................................... 2-7
AV SW PWB CIRCUIT DIAGRAM ............................................................................................ 2-9
IF PWB CIRCUIT DIAGRAM ................................................................................................... 2-11
FRONT CONTROL PWB CIRCUIT DIAGRAM ....................................................................... 2-13
CRT SOCKET PWB CIRCUIT DIAGRAM .............................................................................. 2-15
INNER PIN PWB CIRCUIT DIAGRAM .................................................................................... 2-17
ALC PWB CIRCUIT DIAGRAM .............................................................................................. 2-18
PATTERN DIAGRAMS
MAIN PWB PATTERN ............................................................................................................. 2-19
AV SW PWB PATTERN ........................................................................................................... 2-21
IF PWB PATTERN ................................................................................................................... 2-23
FRONT CONTROL PWB PATTERN ....................................................................................... 2-24
CRT SOCKET PWB PATTERN ............................................................................................... 2-25
INNER PIN PWB PATTERN .................................................................................................... 2-26
ALC PWB PATTERN ............................................................................................................... 2-27
E C B
E
C
B
IN E OUT
1
N
1
N
1
N
OUT
E
IN
E
C
B
TOP VIEW
FRONT VIEW
TOP VIEW
BOTTOM VIEW
IC
CHIP IC
TOP VIEW
CHIP TR
FRONT VIEW
BOTTOM VIEW
TRANSISTOR
E C B
B
(G)
C
(D)
E
(S)
C
B
E
N
N
N
1
N
1
N
SEMICONDUCTOR SHAPES