3-40
3-41
PHOTO COUPLER
(IC102)
T101
TRANS
RECTIFIER &
SMOOTING BLOCK
(D107,C126)
P. CTL ëHí
30VA
9VA
ERROR
AMP
(IC103)
13
12
10
7
11
14
15
FEED-BACK
BLOCK
R116,R117,
C114,R118.
R119.R120
R121)
RECTIFIER &
SMOOTING BLOCK
(D108,C124,L106,C125)
RECTIFIER &
SMOOTING BLOCK
(D110,C122)
RECTIFIER &
SMOOTING BLOCK
(D105,C118,
L104,C119)
RECTIFIER &
SMOOTING BLOCK
(D109,C120)
RECTIFIER &
SMOOTING BLOCK
(D106,C116,
L103,C117)
5V
5VA
TO Main
(P101)
8
9
9V REG & S/W
BLOCK
(IC154,C154,R154)
12V REG & S/W
BLOCK
(IC155,C155,R151)
3.3V REG & S/W
BLOCK
(IC153,C153,R152)
5.0VA REG
BLOCK
(IC156,C156)
5.0V REG & S/W
BLOCK
(IC152,C152,R153)
FD(+)
FD(-)
-29VA
FUSE
(F101)
NOISE FILTER
BLOCK
(C101,L101,
C102)
SNUBBER
BLOCK
(D102,C105
C106,R104)
DRIVE & S/W BLOCK
(IC101, D103, R103,
C111, C109 , R101,
R102,R106,BC101)
BD101
R105
1
3
5
6
Y-CAP
C113
Y-CAP
C112
+
BR BL
(BK)(WH)
C103
!
!
!
!
!
!
3.3V
12VA
BLOCK DIAGRAM & SIGNAL FLOW
1. POWER(SMPS) BLOCK DIAGRAM
Summary of Contents for LST-3100A
Page 17: ...3 8 Fig 01 12 2880MHz clock Fig 02 48KHz clock Fig 04 Analog Audio Signal Fig 03 Data Signal ...
Page 19: ...3 10 Fig 06 Analog Audio Signal ...
Page 22: ...3 13 Fig 07 Digital Audio Signal Fig 08 Coaxial Digital Audio Signal ...
Page 31: ...3 23 FIG 04 V sync signal FIG 03 H sync signal ...
Page 33: ...3 25 FIG 05 Input Stream to IC203 FIG 06 Interrupt Signal ...
Page 34: ...3 26 ...
Page 35: ...3 27 ...
Page 36: ...3 28 YES D Check analog buffers IC303 for 480i Jump to A flow ...
Page 50: ...3 50 3 51 2 CPU AUDIO POWER CIRCUIT DIAGRAM ...
Page 51: ...3 52 3 53 3 HD2 TUNER DVI CIRCUIT DIAGRAM ...
Page 52: ...3 54 3 55 4 ATSCII STB CIRCUIT DIAGRAM ...
Page 53: ...3 56 3 57 5 FRONT CIRCUIT DIAGRAM ...
Page 54: ...3 58 3 59 PRINTED CIRCUIT DIAGRAMS 1 DIGITAL MAIN P C BOARD BOTTOM LOCATION GUIDE ...
Page 55: ...3 60 3 61 2 DIGITAL MAIN P C BOARD TOP ...
Page 56: ...3 62 3 63 3 FRONT P C BOARD 4 POWER P C BOARD LOCATION GUIDE ...
Page 57: ......