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SCHEMATIC DIAGRAMS - MTH500 Keypad Board (FCN9090A)
6 - 8
68P02963C70-O
MTH500 Keypad Board (FCN9090A)
_R
GREEN LED
GND
contact
pins
GND
RESET
Connector GND pins
BACKLIGHT-
RESET
1
9
MK1
2
1
+
VALUE
C8
INT_EAR-_R
ON_OFF
PTT
ROW4
COL2
COL4
PHF_GND
PHF_MIC
PHF_SENSE
PHF_PTT
PHF_EAR
PHF_JACK
place close to
ROW2
ROW1
MENU
UP
GND
GND
GND
GND
GND
GND
FLEX to Display Board
BACKLIGHT-
RESET
CHIP SELECT
2.775_DISPLAY
RS
DATA
CLOCK
INT_EAR-_PHF_EAR
PHF
ON_OFF
PTT
GND
INT_MIC-
ROW1
ROW2
COL0
COL1
COL2
COL3
COL4
SEND/END
SOFT KEY
LEFT
SOFT KEY
RIGHT
DOWN
MODE
*
7
8
0
4
5
1
2
3
6
9
#
MUTE
LEFT
40 pin Main To Keypad conn
RED LED
RIGHT
ROW0
BA
GREEN LED
ROW3
ROW4
COL0
COL1
COL2
COL3
COL4
PHF_GND
GND
PHF_MIC
GND
GND
GND
GND
GND
GND
PHF_SENSE
GND
GND
INT_MIC-
CHIP SELECT
2.775_DISPLAY
RS
DATA
CLOCK
MIC
ROW0
BA
RED LED
ROW3
ROW4
R3
68
J1-5
J1-3
J1-4
5
GND1
1
GND2
6
R1
10
R2
9
R3
8
R4
7
U5
FLTR_EZAST33A
C1
2
C2
3
C3
4
C4
1
GND1
6
GND2
10
R1
9
R2
8
R3
7
R4
FLTR_EZAST33A
U3
2
C1
3
C2
4
C3
C4
5
P2-22
22
P2-9
7
P2-19
19
P2-1
1
P2-7
2
P2-3
3
P2-4
4
P2-2
5
C4
1
GND1
6
GND2
10
R1
9
R2
8
R3
7
R4
FLTR_EZAST33A
U4
2
C1
3
C2
4
C3
VALUE
C9
41
P1-42
42
38
P1-41
P1-37
37
P1-38
35
P1-36
36
P2-5
5
P1-35
10
P2-8
8
P2-11
11
P2-10
18
P2-17
17
P2-21
21
P2-18
P2-20
20
VR4
VR3
VR1
VR2
0.
R6
R5
0.
0.
R4
VALUE
C4
VALUE
C3
C2
VALUE
C1
33.u
5
P1-4
4
P1-6
6
P1-5
P1-1
1
J1-1
J1-2
N2
S1
A1
A2
Q1
Q2
S1
N1
S1
V1
V2
S1
T2
S1
U1
U2
9
R2
8
R3
7
R4
S1
T1
2
C1
3
C2
C3
4
5
C4
6
GND1
GND2
1
10
R1
P2-24
24
U2
EZAST21
P2-23
23
C3
4
C4
5
GND1
1
GND2
6
R1
10
R2
9
R3
8
R4
7
U1
FLTR_EZAST33A
C1
2
C2
3
E1
BLM11B601S
C12
10.n
1.u
180.p
C11
S1
X1
X2
C10
S1
M1
M2
W1
W2
S1
G1
G2
11
S1
P1-40
40
P1-11
26
P1-39
39
P1-25
25
P1-26
23
P1-24
24
P1-22
22
P1-23
20
P1-21
21
18
P1-20
2
P1-17
17
P1-18
15
P1-2
P1-16
16
P1-15
P2-15
15
P2-16
16
6
P2-14
14
13
P2-6
P2-12
12
P2-13
C7
VALUE
P1-19
19
BA
BA
14
P1-13
13
P1-12
12
P1-14
9
P1-7
7
P1-10
10
P1-9
3
P1-8
8
S1
S2
P1-3
L2
S1
R1
R2
S1
K1
K2
S1
L1
S1
J1
J2
S1
P2
S1
H1
H2
E1
E2
S1
P1
S1
D1
D2
S1
B2
S1
C1
C2
F1
F2
S1
B1
P1-34
34
S1
32
P1-33
33
P1-31
31
P1-32
29
P1-30
30
28
P1-29
P1-27
27
P1-28
Содержание MTH500
Страница 10: ...Contents x 68P02963C70 O THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 14: ...Foreword xiv 68P02963C70 O THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 18: ...Overview 1 4 68P02963C70 O THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 50: ...Theory of Operation 2 32 68P02963C70 O THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 76: ...Troubleshooting 3 26 68P02963C70 O Offset VCO Test ...
Страница 78: ...Troubleshooting 3 28 68P02963C70 O This page left blank intentionally ...
Страница 82: ...Programming the Radio 4 4 68P02963C70 O This page left blank intentionally ...
Страница 100: ...Maintenance 5 18 68P02963C70 O Figure 23 Exploded View 1 2 3 4 5 7 6 X6 8 ...
Страница 101: ...Maintenance 68P02963C70 O 5 19 Figure 24 Exploded View of Chassis Assembly 9 12 13 10 11 14 ...
Страница 102: ...Maintenance 5 20 68P02963C70 O ...
Страница 103: ...MTH500 Detailed Service Manual COMPONENT BOARD LAYOUTS 68P02963C70 O 6 1 Component Board Layouts ...
Страница 104: ...MTH500 Detailed Service Manual COMPONENT BOARD LAYOUTS 6 2 68P02963C70 O This page intentionally left blank ...
Страница 109: ...MTH500 Detailed Service Manual Schematic Diagrams and Parts Lists 68P02963C70 O 6 7 Schematic Diagrams and Parts Lists ...
Страница 134: ...SCHEMATIC DIAGRAMS MTH500 Flex CD 6 32 68P02963C70 O This page left blank intentionally ...
Страница 140: ...Replacement Parts and Kits 6 68P02963C70 O ...
Страница 141: ...Replacement Parts and Kits 68P02963C70 O 7 ...
Страница 142: ...Replacement Parts and Kits 8 68P02963C70 O ...
Страница 144: ...Test Equipment Service Aids Tools A2 2 68P02963C70 O THIS PAGE INTENTIONALLY LEFT BLANK ...