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A
SCHEMATIC DIAGRAMS-2
(CD AND MICROPROCESSOR SECTION)
NAETC-6883
U9
1
CONNECTOR
PC BOARD
+5V
2
Vref
CD MECHANISM
M002
M003
M004
M005
3
M006
4
N O T E
.
T H E C O M P O N E N T S I D E N T F I E D
R E P L A C E O N L Y W I T H P A R T N U M B E R S P E C I F I E D .
. V O L T A G E ( M E A S U R E D W I T H V O L T M E T E R )
. E L E C T R O L Y T I C C A P A C I T O R S (
. A L L C A P A C I T O R S A R E I N p F / 5 0 W V U N L E S S O T H E R W I S E N O T E D .
5
E X ) 0 3 0 3 p F 3 3 0
3 3 p F 3 3 1 3 3 0 p F 3 3 3 0 . 0 3 3 u F
.
A L L R E S I S T O R S A R E I N O H M S 1 / 4 W A T T S U N L E S S O T H E R W I S E N O T E D .
. T H E T H I C K L I N E S O N P C B O A R D A R E T H E P R I N T I N G S I D E O F T H E P A R T S .
E X )
P R I N T I N G S I D E
.
C I R C U I T I S S U B J E C T T O C H A N G E F O R I M P R O V E M E N T .
B
VC
R833 0
FC-
FC-
TR-
TR-
0
TR+
TR+
FC+
FC+
R847
PD
PD
VR
R891
0
0
LD
R892
GND
1SS352
100
LD-G
LD
F
F
L101
D101
C
C
B
B
A
A
2SA950
D
D
Q114
E
E
VCC
VCC
VC
VC
100/6.3
C101
SP+
SP-
SL+
0
SL-11
SSTOP
R855
SLD
GND
VC
LD+
LD-
GND
FC
TR
FC+
FC-
Q103 TA7291S
LD+
LD-
C151
+5.6
100/6.3
R150
TUNER UNIT
B Y
M A R K
A R E C R I T I C A L F O R S A F E T Y .
I S D C V O L T A G E . ( N O I N P U T S I G N A L )
) A R E I N
u
F / W V .
C
VC
FOCUS GAIN ADJUST
0
R832
FE1
FE2
TE1
0
TE2
R845
52
FZC
0
51
VC
C106 474
R831
50
TDFCT
0
C105 103
49
TZC
R842
48
ATSC
103
Q101
47
TEI
0
C104
46
LPFI
CXA1992BR
100
R835
45
TEO
R119
44
VEE
1K
43
EI
R109
42
E
41
F
0
0
FE_BIAS
40
R844
R836
1K
R102
D
0
B
R846
C
A
PD
DC-IN
Q102
LA6541D
Q112
2SB1068
DC-IN
SSTOP
GND
10K
R739
CLOSE
4.7K
8.2K
10K
R151
R740
NADIS-6879
CR-305TX
10K
R128
C119
101
SL_P
47K
14
R131
SL_M15
SL_O16
220K
ISET17
R132
VCC18
4.7K
LOCK19
CLKO
R137
CLK20
XLTO
XLT21
DATAO
DATA22
XRST
XRST23
COUT
C.OUT24
SENS1O
SENS125
SENS2O
SENS226
FOK
C121
EFM
103
RFO
VC
C127 OPEN
R135 12K
R134 12K
R133 4.7K
C126 22PF
R141
10K
MDP
R144
R142
10K
4.7K
Q110
2SB1068
+5.6
R147
0
Q111 RN1404
10G
9G
8G
7G
6G
5G
4G
3G
2G
1G
P17
P16
P15
R792
P14
P13
R791
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
F1
R814
GND
0
VCC
R809
R812
REMO1
R817
R826
K11
0
0
R816
R825
K01
0
0
AP
LED21
0
0
D
R705
R
OPEN
J
1
DD
3.3K
5.
PP
10K
OP
PT
5.6K
3.
DT
5.6K
3.
3G
80
3G
2G
79
2G
1G
78
1G
P17
77
P17
P16
76
P16
P15
75
P15
P14
74
P14
P13
73
P13
P12
72
P12
71
-VDI
P11
70
P11
P10
69
P10
P9
68
P9
P8
67
P8
P7
66
P7
P6
65
P6
P5
10K
R735
R819
R820
C797 104
0
0
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