JVC LT-26X506/S Service Manual page 20

CONTENTS
SEMICONDUCTOR SHAPES ......................................................................2-2
WIRING DIAGRAM ........................................................................................2-3
BLOCK DIAGRAM ........................................................................................2-5
CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM ................................................................................................................ 2-7
DIGITAL SIGNAL PWB CIRCUIT DIAGRAM ........................................................................................... 2-17
POWER PWB CIRCUIT DIAGRAM [LT-26X506/S] ................................................................................... 2-25
POWER PWB CIRCUIT DIAGRAM [LT-32X506/S] ................................................................................... 2-31
LED BOARD PWB CIRCUIT DIAGRAM ................................................................................................... 2-37
KEY PWB CIRCUIT DIAGRAM ................................................................................................................. 2-38
PATTERN DIAGRAMS
MAIN PWB PWB PATTERN ..................................................................................................................... 2-39
DIGITAL SIGNAL PWB PATTERN ........................................................................................................... 2-43
POWER PWB PATTERN [LT-26X506/S] ................................................................................................... 2-47
POWER PWB PATTERN [LT-32X506/S] ................................................................................................... 2-51
LED BOARD PWB PATTERN ................................................................................................................... 2-55
KEY PWB PATTERN ................................................................................................................................ 2-55
VOLTAGE CHATRS................................................................................... 2-56
WAVEFORMS ............................................................................................ 2-57
USING P.W. BOARD
P.W.B ASS'Y name
MAIN P.W. BOARD
DIGITAL SIGNAL P.W BOARD
POWER P.W. BOARD
LED P.W. BOARD
KEY P.W. BOARD
SEMICONDUCTOR SHAPES
TRANSISTOR
BOTTOM VIEW
E
C
B
E C B
IC
BOTTOM VIEW
OUT
E
IN
CHIP IC
N
1
LT-26X506/S
QAL0753-001
QAL0754-001
QAL0756-001
QAL0758-001
QAL0759-001
FRONT VIEW
B C E
( G ) ( D ) ( S )
FRONT VIEW
1
IN E OUT
TOP VIEW
LT-32X506/S
QAL0755-001
QAL0757-001
E C B
E C B
1 N
N
1
N
TOP VIEW
CHIP TR
C
B E
TOP VIEW
1
N
(No.YA333)2-2