JVC LT-23E31 BUG, Руководство по обслуживанию

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(No. YA032) 2-1
CONTENTS
USING P.W. BOARD
..................................................................................................................................................................... 2-1
SEMICONDUCTOR
........................................................................................................................................................................ 2-1
BLOCK DIAGRAM
......................................................................................................................................................................... 2-2
CIRCUIT DIAGRAMS
................................................................................................................................................................... 2-3
MAIN PWB CIRCUIT DIAGRAM ........................................................................................................................................................... 2-3
IR SENSOR PWB CIRCUIT DIAGRAM .............................................................................................................................................. 2-25
AV JACK PWB CIRCUIT DIAGRAM ................................................................................................................................................... 2-27
FRONT CONTROL PWB CIRCUIT DIAGRAM ................................................................................................................................... 2-29
TUNER PWB CIRCUIT DIAGRAM ...................................................................................................................................................... 2-31
PATTERN DIAGRAMS
............................................................................................................................................................... 2-33
MAIN PWB PATTERN ......................................................................................................................................................................... 2-33
IR SENEOR PWB PATTERN .............................................................................................................................................................. 2-35
AV JACK PWB PATTERN ................................................................................................................................................................... 2-35
FRONT CONTROL PWB PATTERN ................................................................................................................................................... 2-35
TUNER PWB PATTERN ...................................................................................................................................................................... 2-35
TRANSISTOR
BOTTOM VIEW FRONT VIEW TOP VIEW
CHIP TR
IC
BOTTOM VIEW FRONT VIEW TOP VIEW
CHIP IC
TOP VIEW
1 N
N
1
OUT
E
IN
IN OUT E
1 N
N
1
N
N
N
1
N
E
C
B
E C B
C
B E
B C E
(G)(D)(S)
E C B
E C B
SEMICONDUCTOR SHAPES
USING P.W. BOARD
MAIN P.W. BOARD DA-5097627802 (PWB-0640-1)
IR SENSOR P.W. BOARD DA-5097627802 (PWB-0640-2)
AV JACK P.W. BOARD DA-5098800736 (PWB-0641-1)
FRONT CONTROL P.W. BOARD DA-5098800737 (PWB-0641-2)
TUNER P.W. BOARD DA-5098800738 (PWB-0641-3)
LT-23E31BUG, LT-23E31BJG, LT-23E75BJG
LT-23E31SUG, LT-23E31SJG, LT-23E75SJG
STANDARD CIRCUIT DIAGRAMS