SPKOR
004:G9
SPKOL
004:G8
BEEPSP
001:G7
C1032
0.1u
R1032
47K
VAMP
SNDGND
SPAMPL
SPAMPL
VC3SA
R1088
10K
C1093
0.1u
R1089
100K
R1090
15K
C1094
0.22u
R1091
22K
C1096
1000p
SNDGND
R1092
33K
NJM2904V-TE1
IC1009
-
2
1
O
+
3
NJM2904V-TE1
IC1009
V-
4
V+
8
SNDGND
VC3SA
C1097
0.22u
R1093
22K
SPAMPR
R1094
100K
R1095
15K
R1096
33K
SNDGND
VC3SA
R1098
10K
NJM2904V-TE1
IC1009
-
6
7
O
+
5
C1100
0.1u
SM09B-SRSS-TB
CN1006
JST
SPAMP CN
9
8
7
6
5
4
3
2
1
SPAMPR
SNDGND
R1099
0
R1077
0
HPIL
006:E7
R1078
0
HPIR
006:A7
KAB2402202NA31
F1002
2A
63V
2152
2
1
SNDGND
NJM2072M-TE1
IC1011
JRC
DMP8
1 IN
2 G/C
3 A/O
4 GND
8
VCC
7
OUT2
6
OUT1
5
R/C
C1103
0.22u
C1104
1000p
SNDGND
VC3SA
R1102
1K
R1103
1K
C1105
0.1u
SNDGND
SNDGND
C1095
0.22u
AMPMUTE#
6.3V
C1106
47u
+
C1099
0.22u
SNDGND
C1098
1000p
TC7W66FU(TE12L)
IC1010
TOSHIBA
1 IN/OUT1
5 IN/OUT2
7 CONT1
3 CONT2
4
GND
8
VCC
6
OUT/IN2
2
OUT/IN1
MUTESEL
004:C5
PWRMUTE#
006:C10;007:G6
AMPMUTE#
VC5
VC5
R1104
10K
XP0421300L
Q1017
5
3
4
XP0421300L
Q1017
6
2
1
VC5
R1105
10K
R1108
NU
EC_MUTE
001:G7;006:B10;006:D10
R1109
0
R1106
NU
VC3
C1107
0.1u
6.3V
C1108
47u
+
SNDGND
C1109
0.01u
fc=1/ (2*
π
*R1087 *C1096) = 10.6kHz
Av= - R1089 / R1088= - 10.0
03/01/25 Add R1077, HPIL.
MUTE Select circuit
Default PWRMUTE# (EC_MUTE=L)
1
2
3
4
5
6
7
8
9
10
11
A
B
C
D
E
F
G
H
I
J
Rear PCB 5 Rear-Spamp C
on
Summary of Contents for CF-73ECLTXKM - Toughbook 73 - Pentium M 1.4...
Page 2: ...2 1 ...
Page 4: ...2 3 ...
Page 5: ...2 4 ...
Page 7: ...1 Specfication 4 ...
Page 8: ......
Page 11: ...3 Block Diagram System Confugration Diagram 8 ...
Page 12: ...4 9 ...
Page 14: ...6 11 ...
Page 56: ...1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H I J CF 73E3 Printed Circuit Board Main PCB Top View ...
Page 57: ...1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H I J Main PCB Bottom View ...
Page 58: ...1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H I J VGA PCB Top View VGA PCB Bottom View ...
Page 59: ...Rear PCB Top View Rear PCB Bottom View 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H I J ...