Hytera MD78X - Page 397

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
MD780_U5_800&900MHz
APC_COMP
APC_COMP
VGG
9V_TX
9V_TX
9V_TX
9V_TX
9V_TX 9V_TX
TEMP_DET
TV_APC
TV_APC
REV_TEMP_DET
REV_TEMP_DET
TEMP_DET2
Fcouple_DET
F_V_DET
Rcouple_DET
R_V_DET
R_V_DET
R_V_DET_T
R_V_DET_T
F_V_DET
VWSR_DET
VWSR_DET
F_V_DET
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TX_Control
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TX_Control
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TX_Control
C1027
2pF
C1027
2pF
C890
39p
C890
39p
t
RT803
NC
t
RT803
NC
1 2
R889
0ohm
R889
0ohm
R851
200ohm
R851
200ohm
R872
180k
R872
180k
R884
4.7k
R884
4.7k
R847
47K
R847
47K
C954
NC
C954
NC
R903
NC
R903
NC
R838
22k
R838
22k
C1026 NCC1026 NC
D803D803
3
1
2
L806
0ohm
L806
0ohm
C1008
39PF
C1008
39PF
C897
220p
C897
220p
L837
5.6NH
L837
5.6NH
R837
0
R837
0
C895
39p
C895
39p
R878
NC
R878
NC
C964
7pF
C964
7pF
C883
39pF
C883
39pF
R857
0
R857
0
TP810
TEMP
TP810
TEMP
1
R894
2.2K
R894
2.2K
C896
220p
C896
220p
C959
0.1u
C959
0.1u
C898
39p
C898
39p
R883
56k
R883
56k
R902
0ohm
R902
0ohm
R873
NC
R873
NC
R900
NC
R900
NC
R895
56k
R895
56k
t
RT804
100k
t
RT804
100k
12
R822
27ohm
R822
27ohm
C858
270ohm
C858
270ohm
D129D129
1 2
D804D804
3
1
2
R849
2.2k
R849
2.2k
R893
20K
R893
20K
R831
2.2k
R831
2.2k
R853
4PF
R853
4PF
R839
4.7K
R839
4.7K
TP812
REV_TEMP_OUT
TP812
REV_TEMP_OUT
1
C993 NCC993 NC
R863
0
R863
0
R897
470K
R897
470K
-
+
U801B
-
+
U801B
5
6
7
84
R890
3.3k
R890
3.3k
C1025
3pF
C1025
3pF
R898
470K
R898
470K
C972
39p
C972
39p
C899
120p
C899
120p
R888
NC
R888
NC
C894 0.018ufC894 0.018uf
R885
10k
R885
10k
R850
200ohm
R850
200ohm
R891
2.7K
R891
2.7K
D805D805
1 2
-
+
U801A
-
+
U801A
3
2
1
84
L838
5.6NH
L838
5.6NH
R875
33K
R875
33K
R865
39k
R865
39k
R882
220k
R882
220k
C1024
3pF
C1024
3pF
C875
NC
C875
NC
R886
18k
R886
18k
-
+
U802B
-
+
U802B
5
6
7
84
D128D128
1
2
3
L836
5.6NH
L836
5.6NH
R841
68k
R841
68k
R866
2.2K
R866
2.2K
R874 1KR874 1K
C904
NC
C904
NC
R899470KR899470K
R870
10K
R870
10K
R892
82K
R892
82K
R842
12k
R842
12k
R905
33K
R905
33K
C953
18K
C953
18K
-
+
U804B
-
+
U804B
5
6
7
84
R864
470K
R864
470K
R876
56k
R876
56k
R904
0
R904
0
C891
120p
C891
120p
R887
820
R887
820
-
+
U802A
-
+
U802A
3
2
1
84
C94982PF C94982PF
R852
5.6PF
R852
5.6PF
C1028
1pF
C1028
1pF
R854
56k
R854
56k
R869
18k
R869
18k
-
+
U804A
-
+
U804A
3
2
1
84
R871
NC
R871
NC
R823
8.2NH
R823
8.2NH
R896
12K
R896
12K
TP807
APC
TP807
APC
1
MD78X/MD78XG Schematic Diagram (TX Control Circuit)
74