JVC LT-40FH76 Service Manual page 28

CONTENTS
SEMICONDUCTOR SHAPES ......................................................................2-2
WIRING DIAGRAM ........................................................................................2-3
BLOCK DIAGRAM ........................................................................................2-5
CIRCUIT DIAGRAMS
ANALOG PWB CIRCUIT DIAGRAM ........................................................................................................... 2-7
DIGITAL PWB CIRCUIT DIAGRAM .......................................................................................................... 2-19
MAIN POWER PWB CIRCUIT DIAGRAM ................................................................................................ 2-51
LED PWB CIRCUIT DIAGRAM ................................................................................................................. 2-55
SW PWB CIRCUIT DIAGRAM ................................................................................................................. 2-56
D-AMP PWB CIRCUIT DIAGRAM ............................................................................................................ 2-57
CARD PWB CIRCUIT DIAGRAM .............................................................................................................. 2-59
DC-DC PWB CIRCUIT DIAGRAM ............................................................................................................. 2-63
SUB POWER PWB CIRCUIT DIAGRAM .................................................................................................. 2-65
PATTERN DIAGRAMS
ANALOG PWB PATTERN ........................................................................................................................ 2-67
DIGITAL PWB PATTERN ......................................................................................................................... 2-69
MAIN POWER PWB PATTERN ................................................................................................................ 2-73
CARD PWB PATTERN ............................................................................................................................. 2-75
DC-DC PWB PATTERN ............................................................................................................................ 2-76
SUB POWER PWB PATTERN .................................................................................................................. 2-77
LED PWB PATTERN ................................................................................................................................ 2-78
SW PWB PATTERN ................................................................................................................................. 2-78
D-AMP PWB PATTERN ............................................................................................................................ 2-78
VOLTAGE CHATRS................................................................................... 2-79
WAVEFORMS ............................................................................................ 2-81
USING P.W. BOARD
P.W.B ASS'Y name
ANALOG P.W. BOARD
D-AMP P.W. BOARD
SW P.W. BOARD
CARD P.W. BOARD
LED P.W. BOARD
MAIN POWER P.W. BOARD
DC-DC P.W. BOARD
SUB POWER P.W. BOARD
DIGITAL P.W. BOARD
SEMICONDUCTOR SHAPES
TRANSISTOR
BOTTOM VIEW
E
C
B
B C E
E C B
(G) (D) (S)
IC
BOTTOM VIEW
OUT
E
IN
IN E OUT
CHIP IC
TOP VIEW
N
1
2-2(No.YA380)
P.W.B ASS'Y number
LCA10637-02A (SFL-1212A)
LCA90550-01B (SFL-6201A)
LCA90551-02A (SFL-7203A)
LCA10556-01C (SRP-8511A)
LCA90552-06A (SFL-8707A)
LCA90575-02C (SFL-9041A)
LCA90606-04A (SFL-9146A)
LCA10639-03B (SFL-9706A)
LCA10599-72A (SFL-0D152A)
FRONT VIEW TOP VIEW
CHIP TR
E C B
E C B B
FRONT VIEW TOP VIEW
1
1 N
1 N
1
N
C
E
N