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TX-2100
SCHEMATIC DIAGRAM 1
DISPLAY SECTION
D709
STAND-BY
SEL4110R
C702
474
L701
NCH-1452
C711
100/6.3
C701
0.01F
C703
100/6.3
D711
D710
D701
D704
ATTENTION
V
A
ET CALIBRATION COMME INDIQUE.
D'INCENDIE, REMPLACER UNIQUEMENT
PERMANENTE CONTRE LES RISQUES
AFIN D'ASSURER UNE PROTECTION
PAR UN FUSIBLE DE MEME TYPE
E LENT. POUR UNE PROTECTION PERMANENTE,N'UTILISER
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL
FOR CONTINUED PROTECTION AGAINST FIRE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
V
A
AGAINST FIRE HAZARD, REPLACE
FOR CONTINUED PROTECTION
AND RATING INDICATED.
ONLY WITH FUSE OF SAME TYPE
CAUTION
BY MARK
ARE CRITICAL FOR
SAFETY.
IDENTIFIED
NOTE
THE COMPONENTS
REPLACE
ONLY WITH
PART
NUMBER
SPECIFIED.
.
. VOLTAGE (MEASURED
WITH
VOLTMETER)
IS
DC VOLTAGE.
(NO INPUT SIGNAL)
.
ELECTROLYTIC CAPACITORS (
) ARE IN
F/WV.
.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030-3pF 330-33pF 331-330pF 333-0.033uF
u
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX)
PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
.
.
X701
STBY
RDSSCK
8G
9G
10G
11G
12G
P1
P2
P3
P4
VLOAD
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
PROTECT
RFIN
SD
ST
VDD
S.TONE
REMIN
SYSIN
POFF
RDSDATA
POWER
SPARL
SPBRL
F-MUT
T-MUT
X2
X1
VSS
XT2
XT1
AVREF
AVDD
K0
K1
K2
K3
K4
MODE1
AREA
MODE2
AVSS
RST
VOL-DN
VOL-UP
STB
NC
NC
PLL
DATA
CL
VDD
1G
2G
3G
4G
5G
6G
7G
Q701
MPD78044FGF-217-3B9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
P16
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP
F2
F2
NP
NP
12G
11G
10G
9G
8G
7G
6G
5G
4G
3G
2G
1G
NP
F1
F1
Q702
HNA-12MM49 OR 12-BT-102GK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
R778
1K
R724
10K
R723
NON
R702
47K
R783
NON
R725
NON
R722
3.3K
R717
47K
R733
4.7K
R714 10K
R715
10K
R756
1K
R712
270
R701
100
R779
10K
R706
100K
R707
100K
R767
R782
1K
R781
1K
R726
10
R727
NON
R755
10
R789
1K
R790
1K
R759
1K
R758
1K
R777
2.2K
R774
R773
R772
R769
R768
R721
R720
R719
R718
R729
R730
R731
R732
R
R
R
R
R
R
R
R
R
R
R
R
Q706
2SC1740S
Q705
2SC1740S
C724
103Z
C705
103Z
AREA
4.19MHz
R767 - R769 1K
R772 - R774 1K
R729 - R732 4.7K
R718 - R721 3.3K
10K*12
R706
A
1
2
3
4
5
B
C
D