TM840 Service Manual
94
C434
1p
R196
1 2 0 R
C435
1p
C438
4 3 p
R203
2 2 R
R204
3.3k
C440
2 0 p F
C442
7 p
L127
330n
C446
0.1UF
R331
1 2 0 R
L126
3 3 0 n H
C450
1 0 0 P F
VCO
C453 100PF
C459
220p
L117
330n
R341
1 8
C460
8 P F
L134
330n
1
2
D121
1SV305
R345
6.8k
C462
2 2 P
12
1S
V
305 D122
C465
1 0 P F
R347
3 0 0
L118
330n
C469
2 2 P F
1
2
D125 1SV305
L124
3 3 n H
R349
2 2 R
C472
0.1UF
C475
3 p
R353
6.8k
C480
9 P F
R355
100
C484
9 p F
L121
330n
2
1
D108
1sv305
C490
0.1UF
L129
3 . 3 u H
C492 220p
C494
2 0 P
L137
3 3 n H
1
2
D109
1sv305
2
1
D26
1sv305
R359
3.3K
C496
220p
R361
3 0 0
L133
3 . 3 u H
C503 220p
12
D126
1S
V
305
L140
330n
C515
7 p
1
2
D107 1sv305
C517
220p
L139
3 3 0 n H
C521
5 P
R370 100
C523
1 0 0 P F
C524
0.1UF
C527
4 3 p
C531
470p
1
2
3
4
5
U108 UMC4
1
2
3
4
5
U26 UMC4
E
B
C
Q24
2SC3356
E
B
C
Q29
2SC3356
TP6
TO_PLL
TP7
RX_LO
C437
1 5 p F
C445
1 0 0 p F
R223
100P
C447
3 0 p F
L57
180nH
C454
0.1uF
C456
150pF
C457
150pF
FB24
5FE1-BLM11A601S/1k
C458
103
C461
1 0 0 p F
1
2
3
4
U46 GVA-63+
1
2
IN
OUT
3
4
U47
L F C N - 1 8 0
C101
1 0 0 p
R187
2
2
R
L16
4 7 n H
C102
150PF
R280
39K
C103
100pF
E
B
C
Q26
2SC3356
R281
N C
C104
0.1UF
Q46
DTC144YE
R186
510R
C105
150pF
Q47 FMMT717A
R224 47K
R304
100P
R305
100P
C377
2 4 p F
C380
N C
C381
2 4 p F
L15
3 3 n H
FIN
RXLO1
RX_VCO_L
RXVCO_5V
RX_VCO_H
RXVCO_5V
GND
RXVCOCTR
RXVCOBUFFER_5V
CPOUT
TX_TOPLL
Summary of Contents for TM840
Page 1: ...TM840 Service Manual I ...
Page 19: ...TM840 Service Manual Figure4 3 4 Click Next to keep on installation 16 ...
Page 60: ...TM840 Service Manual Figure1 TM840 400 470MHz Mainboard Top Side PCB View 57 ...
Page 61: ...TM840 Service Manual Figure2 TM840 400 470MHz Mainboard Bottom Side PCB View 58 ...
Page 62: ...TM840 Service Manual Figure3 TM840 400 470MHz Keypad Board Bottom Side PCB View 59 ...
Page 63: ...TM840 Service Manual Figure4 TM840 400 470MHz Keypad Board Top Side PCB View 60 ...
Page 82: ...TM840 Service Manual Figure7 TM840 136 174MHz Mainboard Top Side PCB View 79 ...
Page 83: ...TM840 Service Manual Figure8 TM840 136 174MHz Main Board Bottom Side PCB View 80 ...
Page 84: ...TM840 Service Manual Figure9 TM840 136 174MHz Keypad Board Bottom Side PCB View 81 ...
Page 85: ...TM840 Service Manual Figure10 TM840 136 174MHz Keypad Board Top Side PCB View 82 ...