JVC LT-32WX84 Service Manual page 56

CONTENTS
SEMICONDUCTOR SHAPES ......................................................................2-2
BLOCK DIAGRAM ........................................................................................2-3
CIRCUIT DIAGRAMS ....................................................................................2-5
RECEIVER PWB CIRCUIT DIAGRAM ........................................................................................................ 2-5
VIDEO PWB CIRCUIT DIAGRAM .............................................................................................................. 2-11
POWER PWB CIRCUIT DIAGRAM .......................................................................................................... 2-15
REGULATOR PWB CIRCUIT DIAGRAM .................................................................................................. 2-19
FRONT SENSOR PWB CIRCUIT DIAGRAM ............................................................................................ 2-21
FRONT CONTROL PWB CIRCUIT DIAGRAM .......................................................................................... 2-23
PATTERN DIAGRAMS .............................................................................. 2-25
RECEIVER PWB PATTERN ...................................................................................................................... 2-25
VIDEO PWB PATTERN ............................................................................................................................ 2-27
POWER PWB PATTERN .......................................................................................................................... 2-29
REGULATOR PWB PATTERN .................................................................................................................. 2-33
FRONT SENSOR PWB PATTERN ............................................................................................................ 2-34
FRONT CONTROL PWB PATTERN ......................................................................................................... 2-34
VOLTAGE CHART ..................................................................................... 2-35
WAVEFORMS ............................................................................................ 2-36
CHANNEL CHART (US) ............................................................................. 2-37
CHANNEL CHART (CA) ............................................................................. 2-38
USING P.W. BOARD
PWB ASS'Y name
RECEIVER P.W. BOARD
VIDEO P.W. BOARD
POWER P.W. BOARD
REGULATOR P.W. BOARD
FRONT SENSOR P.W. BOARD
FRONT CONTROL P.W. BOARD
SEMICONDUCTOR SHAPES
TRANSISTOR
BOTTOM VIEW
E
C
B
E C B
IC
BOTTOM VIEW
OUT
E
IN
IN
CHIP IC
N
N
N
1
N
2-2
PWB ASS'Y No.
LCA90182-01B(SSB-0J086A)
LCA90152-03C(SSB-1086A)
LCA90149-07F(SSB-9091A)
LCA90150-07D(SSB-9191A)
LCA90155-03B(SSB-0L286A)
LCA90154-03D(SSB-0L386A)
FRONT VIEW
B C E
E C B
( G ) ( D ) ( S )
FRONT VIEW
1 N
E OUT
TOP VIEW
1
N
TOP VIEW
CHIP TR
C
E C B B E
TOP VIEW
1
N
1 N
No.YA004