Circuit Diagrams - JVC AV-27F577/R Service Manual

CONTENTS
SEMICONDUCTOR SHAPES ......................................................................2-2
BLOCK DIAGRAM ........................................................................................2-3

CIRCUIT DIAGRAMS ....................................................................................2-5

MAIN PWB CIRCUIT DIAGRAM ................................................................................................................ 2-5
AV SW PWB CIRCUIT DIAGRAM .............................................................................................................. 2-9
CRT SOCKET PWB CIRCUIT DIAGRAM .................................................................................................. 2-11
FRONT CONTROL PWB CIRCUIT DIAGRAM .......................................................................................... 2-13
LED & POWER SW PWB CIRCUIT DIAGRAM ........................................................................................ 2-15
USB PWB CIRCUIT DIAGRAM ................................................................................................................ 2-16
L/F PWB CIRCUIT DIAGRAM .................................................................................................................. 2-17
PATTERN DIAGRAMS .............................................................................. 2-19
MAIN PWB PATTERN .............................................................................................................................. 2-19
AV SW PWB PATTERN ............................................................................................................................ 2-21
CRT SOCKET PWB PATTERN ................................................................................................................. 2-21
FRONT CONTROL PWB PATTERN ......................................................................................................... 2-22
LED & POWER SW PWB PATTERN ........................................................................................................ 2-22
L/F PWB PATTERN .................................................................................................................................. 2-23
USB PWB PATTERN ................................................................................................................................ 2-23
VOLTAGE CHARTS .................................................................................. 2-25
WAVEFORMS ............................................................................................ 2-26
USING P.W. BOARD
PWB ASS'Y name AV-27F577/R
MAIN P.W. BOARD SGJ-1308A-M2
CRT SOCKET P.W. BOARD SGJ-3304A-M2
AV SW P.W. BOARD SGJ-5301A-M2
FRONT CONTROL P.W. BOARD SGJ-6301A-M2
LED & POWER SW P.W. BOARD SGJ-7301A-M2
USB P.W. BOARD SGJ-8302A-M2
L/F P.W. BOARD SGJ-9302A-M2
SEMICONDUCTOR SHAPES
TRANSISTOR
BOTTOM VIEW
E
C
B
E C B
IC
BOTTOM VIEW
OUT
E
IN
CHIP IC
N
N
N
1
N
2-2(No.YA387)
AV-27F577/S
SGJ-1302A-M2
SGJ-3302A-M2
FRONT VIEW
B C E
( G ) ( D ) ( S )
FRONT VIEW
1
IN E OUT
TOP VIEW
AV-32F577/R AV-32F577/Y
SGJ-1313A-M2 SGJ-1301A-M2
SGJ-3305A-M2 SGJ-3301A-M2
SGJ-9301A-M2
E C B
E C B
1 N
N
1
N
AV-32F577/Z
SGJ-1307A-M2
SGJ-3303A-M2
TOP VIEW
CHIP TR
C
B E
TOP VIEW
1
N