Kenwood NEXEDGE NX-820, Руководство по обслуживанию

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115
SCHEMATIC DIAGRAM /
原理图
NX-820
X54-383 1/1
2
1
3
4
5
6
7
AY AZ BA BB BC
50C
SB
R 2 5
3 . 3 k
R 2 9
2 2 0
R 1 2
1 0 0
R 2 8
1 2 0
C P 1
1 0 0 X4
I C 1
L C 7 5 8 5 7 W - E
1
P1/S1
2
P2/S2
3
P3/S3
4
P4/S4
5
S5
6
S6
7
S7
8
S8
9
S9
10
S10
11
S11
12
S12
13
S13
14
S14
15
S15
16
S16
1 7
S 1 7
1 8
S 1 8
1 9
S 1 9
2 0
S 2 0
2 1
S 2 1
2 2
S 2 2
2 3
S 2 3
2 4
S 2 4
2 5
S 2 5
2 6
S 2 6
2 7
S 2 7
2 8
S 2 8
2 9
S 2 9
3 0
S 3 0
3 1
S 3 1
3 2
S 3 2
33
S33
34
S34
35
S35
36
S36
37
S37
38
S38
39
CoM4/S39
40
CoM3
41
CoM2
42
CoM1
43
KS1/S40
44
KS2/S41
45
KS3/S42
46
KS4
47
KS5
48
KS6 4 9
K I 1
5 0
K I 2
5 1
K I 3
5 2
K I 4
5 3
K I 5
5 4
V D D
5 5
V L C D
5 6
V L C D 1
5 7
V L C D 2
5 8
V S S
5 9
T E S T
6 0
o S C
6 1
D o
6 2
C E
6 3
C L
6 4
D I
R 2 6
4 . 7 k
330
R19
D 2 3
B30-2151-05
R15
0
R20
0
D 2
D A 3 S 1 0 1 F
R 3 4
2 7 0
R 3 5
2 7 0
R 3 6
2 7 0
R 3 7
2 7 0
D1
DZ2J062(M)
J 1
100
R 2 4
3 . 3 k
R23
47k
R14
1.2k
R9
0
R 1 7
0
R 7
0
R 3
1 0 k
R 2
1 0 k
R 4
1 0 k
R 5
1 k
D25
MINISMDC020F
K T C 4 0 7 5 E ( Y , G R )
Q 8
K T C 4 0 7 5 E ( Y , G R )
Q 6
K T C 4 0 7 5 E ( Y , G R )
Q 3
R40
4.7k
R 3 8
4 . 7 k
R 3 9
4 . 7 k
Q 1 0
LTC014EEBFS8
C13
0.01u
C1
100p
C15
1000p
C12
100p
C11
220p
C14
1000p
C2
220p
C5
220p
C3
C24
0.01u
C23
1000p
C4
100p
C7
1000p
C6
470p
C27
1u
C21
0.01u
C31
1000p
C32
0.047u
C33
0.047u
D 2 6
H N 2 S 0 3 F E
R41 100
C25
0.01u
C34 47p
C35
L2
D27
DZ2J062(M)
K T C 4 0 7 5 E ( Y , G R )
Q 1 1 R 4 2
2 . 7 k
R43 10k
R44
2.2k
R45
4.7k
L3
C36
220p
C N 1
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
Q S T 7
Q 9
D 7
B 3 0 - 2 3 3 7 - 0 5
D 5
B 3 0 - 2 3 3 7 - 0 5
D 9
B 3 0 - 2 3 3 7 - 0 5
D 6
B 3 0 - 2 3 3 7 - 0 5
D 1 1 D 1 5 D 1 9
D 1 2 D 1 6 D 2 0
D 1 3 D 1 7
D 2 4
D 2 1
D 8
B 3 0 - 2 3 3 7 - 0 5
D 2 2
B30-2321-05
KEY BACKLIGHT
LCD BACKLIGHT
GND
PTT
HOOK
MIC
POWER
MKEY
LCDDI
LCDCL
LCDCE
50C
SB
ME
LCDDO
RLED
GLED
BLC
SP+
SP-
BLED
GND
GND
EMG
GND
NC
GND
MBL
GND
B30-2337-05
POWER
SP+
DISPLAY UNIT (X54-3830-10)
D 1 8 D 1 4
R22
0
L 1
MBL
SB
GND
PTT
ME
MIC
HOOK
DM
220p
R1
C10
1000p
R18
220
220p
KMI1
KMI2 KMI3
KMO3
B
KMO2
KMO1
C
S
A
LCD
SEG30 SEG29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG21 SEG22 SEG17 SEG20 SEG18 SEG19 SEG16 SEG15 SEG14 SEG13 SEG11 SEG7
SEG9
SEG12
SEG8
SEG10 COM1 SEG4 SEG42 SEG6 SEG1 SEG2 SEG3 SEG5 COM2 COM3 COM4 SEG31 SEG32 SEG33 SEG34 SEG35 SEG36 SEG37
SEG38
SEG40 SEG41
INT SP
PROTECTION
VOLTAGE
PROTECTION
SURGE
D 1
D 2
TX/BUSY
INDICATION
SWITCH
TX LED
CONTROL
SWITCH
Q3
TX LED
SWITCH
Q6
BUSY LED
INDICATION
(BLUE)
D 2 2
LCD DRIVER
D 5-9
D 1 1-21,24
SWITCH
LCD BACKLIGHT
SWITCH
KEY BACKLIGHT
SWITCH CONTROL
KEY BACKLIGHT
SP+
SP-
MIC
KMI1
KMI2
KMI3
KMO3
KMO2
KMO1
5.0V
HOOK:4.96V
PTT:4.62V
SB:13.53V
MBL:5.00V
3.27V
LED ON:2.26V
LED OFF:0V
LED ON:5.0V
LED OFF:0V
T:1.76V
R:0V
T:0V
R:2.06V
T:1. 8 1V
R:5.0V
T:5.0V
R:2.13V
T:0V
R:4.95V
5.0V
5.0V
9.72V
12.93V
3.77V
3.77V
1. 8 9V
2.07V
4. 8 2V
4.62V
5.0V
13.5V
R:0V
T:4.95V