JVC LT-26A61BJ Service Manual page 45

CONTENTS
SEMICONDUCTOR SHAPES ......................................................................2-2
WIRING DIAGRAM ........................................................................................2-3
BLOCK DIAGRAM ........................................................................................2-5
CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM ................................................................................................................ 2-7
KEY PWB CIRCUIT DIAGRAM ................................................................................................................. 2-17
LED PWB CIRCUIT DIAGRAM ................................................................................................................. 2-18
POWER PWB CIRCUIT DIAGRAM .......................................................................................................... 2-19
PATTERN DIAGRAMS
MAIN PWB PATTERN .............................................................................................................................. 2-25
POWER PWB PATTERN .......................................................................................................................... 2-29
KEY PWB PATTERN ................................................................................................................................ 2-31
LED PWB PATTERN ................................................................................................................................ 2-31
VOLTAGE CHATRS................................................................................... 2-32
WAVEFORMS ............................................................................................ 2-33
USING P.W. BOARD
LT-26A61BJ
P.W.B ASS'Y name
MAIN P.W. BOARD
QAL0823-001
POWER P.W. BOARD
QAL0826-001
LED P.W. BOARD QAL0827-001
QAL0828-001
KEY P.W. BOARD
LT-32A61BJ
P.W.B ASS'Y name
MAIN P.W. BOARD
QAL0825-001
POWER P.W. BOARD QAL0826-001
LED P.W. BOARD QAL0827-001
KEY P.W. BOARD QAL0828-001
SEMICONDUCTOR SHAPES
TRANSISTOR
BOTTOM VIEW
E
C
B
E C B
IC
BOTTOM VIEW
OUT
E
IN
CHIP IC
N
1
2-2(No.YA369)
LT-26A61BU
LT-32A61BU
FRONT VIEW
B C E
( G ) ( D ) ( S )
FRONT VIEW
1
IN E OUT
TOP VIEW
LT-26A61BU/C LT-26A61SJ
QAL0822-001
LT-32A61BU/C LT-32A61SJ
QAL0824-001
E C B
E C B
1 N
N
1
N
LT-26A61SU LT-26A61SU/C
QAL0823-001
LT-32A61SU LT-32A61SU/C
QAL0825-001
TOP VIEW
CHIP TR
C
B E
TOP VIEW
1
N