TM840 Service Manual
93
C
R195
1 5 p F
1
2
D116 1sv305
L41
1 u H
R197
6.8k
R198
68R
L107
330n
L42
330n
C439
220p
R201
5 6 n H
R202
3.3k
C441
3 p
C443
0.1UF
1
2
D105
1sv305
C444
1 0 0 P F
C448
3 3 P F
R332
3.3k
R340
1 8 0
C455
0 . 7 5 P F
L110
330n
C463
10nF
L115
2 7 0 n H
C464
0.1UF
C466 220p
C467
3 p
C468
1 0 0 P F
L55
330n
L116
330n
R350 22R
C474
1 5 P
C476
15P
C479
1 0 p
2
1
D111
1S
V
305
C481
6 8 p
C482
7 p
1
2
D25
1sv305
R356
39K
C486
0.1UF
C488
2 7 P
12
D113
1sv305
C489
470p
C495
220p
12
D102
1sv305
C500
1 5 P
R362
6.8k
C502
220p
C504
2 4 P
R365
68R
C506 4.7UF
C510
0 . 7 5 p
C511
0.1UF
2
1
D117
1sv305
C512
3 3 P F
12
D106
1sv305
L105
4 7 n H
L114
5 6 n H
C513
1 2 p
1
2
D101
1sv305
L103
330n
C518
6 8 p
L112
1
u
H
C519
4 P F
C520
1 0 p
R371
39K
R372 22R
C529
11p
L106
1 0 0 n H
R374
3 0 0
C530
220p
1
2
3
4
5
U27 UMC4
1
2
3
4
5
U28
UMC4
E
B
C
Q27
2SC3356
E
B
C
Q28
2SC3356
C403
NC
C199
1 0 0 p F
R205
NC
C200
NC
C201
NC
L47
180nH
C218
0.1uF
C219
150pF
C220
150pF
FB23
5FE1-BLM11A601S/1k
C221
103
C222
1 0 0 p F
1
2
3
4
U42
GVA-63+
1
2
IN
OUT
3
4
U43
L F C N - 1 8 0
C168
100PF
Q31
DTC144YE
R185
510R
C160
150pF
Q50FMMT717A
R284 47K
R292
39K
R245
10K
R199
0 R
R302
100P
R303
100P
C169
0
R
L23
NC
R135
NC
E
B
C
Q62
NC
C187
NC
C198
0
R
R420
1 5 p F
TXVCO_5V
MOD_VCO
CPOUT
TX_VCO_L
TXVCO_5V
TX_VCO_H
TXVCO_5V
GND
TXLO
TXVCOCTR
TXVCOBUFFER_5V
TX
_TOP
LL
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 ...