No.52105
AV-48WP74
AV-56WP74
2-2
CONTENTS
USING P.W. BOARD .......................................................................................................... 2-3
SEMICONDUCTOR SHAPES ........................................................................................... 2-3
BLOCK DIAGRAM ............................................................................................................. 2-4
CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM ....................................................................................................................... 2-6
RECEIVER PWB CIRCUIT DIAGRAM ............................................................................................................. 2-30
R CRT SOCKET PWB CIRCUIT DIAGRAM ..................................................................................................... 2-32
G CRT SOCKET PWB CIRCUIT DIAGRAM ..................................................................................................... 2-34
B CRT SOCKET PWB CIRCUIT DIAGRAM ..................................................................................................... 2-36
VM PWB CIRCUIT DIAGRAM ......................................................................................................................... 2-38
DEF OSC PWB CIRCUIT DIAGRAM ............................................................................................................... 2-40
POWER & DEF PWB CIRCUIT DIAGRAM ...................................................................................................... 2-42
LINE FILTER PWB CIRCUIT DIAGRAM ........................................................................................................... 2-46
CONVEREGENCE OUT PWB CIRCUIT DIAGRAM ......................................................................................... 2-48
FRONT RELAY PWB CIRCUIT DIAGRAM ....................................................................................................... 2-50
REMOCON SENSOR PWB CIRCUIT DIAGRAM ............................................................................................. 2-50
FRONT CONTROL PWB CIRCUIT DIAGRAM ................................................................................................. 2-52
PATTERN DIAGRAMS
MAIN PWB PATTERN ..................................................................................................................................... 2-54
RECEIVER PWB PATTERN ............................................................................................................................ 2-58
R CRT SOCKET PWB PATTERN .................................................................................................................... 2-60
G CRT SOCKET PWB PATTERN .................................................................................................................... 2-60
B CRT SOCKET PWB PATTERN .................................................................................................................... 2-61
VM PWB PATTERN ........................................................................................................................................ 2-62
DEF OSC PWB PATTERN .............................................................................................................................. 2-63
POWER & DEF PWB PATTERN ..................................................................................................................... 2-64
LINE FILTER PWB PATTERN .......................................................................................................................... 2-66
CONVEREGENCE OUT PWB PATTERN ........................................................................................................ 2-66
FRONT RELAY PWB PATTERN ...................................................................................................................... 2-68
REMOCON SENSOR PWB PATTERN ............................................................................................................ 2-68
FRONT CONTROL PWB PATTERN ................................................................................................................ 2-69
