Hytera MD78X Service Manual page 573

5
C983 C983 C985 C985 C973 C973 C972 C972 C974 C974 C971 C971 C984 C984
220p 220p 180p 180p 22p 22p 82p 82p 120p 120p 150p 150p 100p 100p
C855 C855
C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603
47pF 47pF
D R812 R812
NC NC
C964 C964
820pF 820pF R807 R807
C810 C810 4.7 4.7
C0805 C0805
C815 C815
R1206 R1206
NC NC
W= 3mm
820pF 820pF R804 R804
4.7 4.7
L= 5.5mm
R1206 R1206
w=3mm,
C0805 C0805 R806 R806
Z= 8ohm L=5.5mm
4.7 4.7
Z=8
R1206 R1206
C0805 C0805
R813 R813
R1206 R1206
4.7 4.7
C988 C988
C987 C987 NC NC
R818 R818
NC NC C839 C839
C0603 C0603 4.7 4.7
820pF 820pF
C0603 C0603 C840 C840
R1206 R1206
L835 L835 R860 R860
C0805 C0805
NC NC
NC NC
3231301030000 3231301030000
R1206 R1206
R861 R861
3T 3T
C0805 C0805 4.7 4.7
R1206 R1206
R1206 R1206
C961 C961
820pF 820pF
C860 C860 C828 C828
C0805 C0805
NC NC NC NC
C0603 C0603 C0603 C0603
L830 L830
3231301030000 3231301030000
4T 4T
TP806 TP806
Final_bias Final_bias R859 R859
Final_bias
C C859 C859 1k 1k
TP30 TP30
C892 C892
220p 220p
R0603 R0603
C869 C869
NC NC NC NC
C886 C886 C887 C887 R858 R858
c0603 c0603
C0603 C0603 C0603 C0603
NC NC 220p 220p 9.1k 9.1k
L834 L834
3231301030000 3231301030000
c0603 c0603 c0603 c0603
3T 3T
R0603 R0603
W= 3mm C854 C854 C853 C853
L819 L819 0.1u 0.1u 220p 220p
L= 3mm w=3mm,
8T/47n 8T/47n
L=3mm
R864 R864
Z= 8 ohm
Z=8
8TM 8TM L831 L831
C949 C949 c0603 c0603 c0603 c0603
NC NC 560p 560p
NC NC
R826 R826 C866 C866 L823 L823
C867 C867 L0805 L0805
820p 820p R0805 R0805 0 0
c0805 c0805
47p 47p
560p 560p
1
Q804 Q804
RD07MUS2B RD07MUS2B
R0603 R0603 L0603 L0603
R828 R828
C0603 C0603
820p 820p C865 C865
C0603 C0603
C960 C960 18nH 18nH
R0603 R0603
RD07MVS1 RD07MVS1
R900 R900 18nH 18nH
820p 820p
L829 L829
C872 R0603 C872 R0603
10nH 10nH
120pF 120pF C0603 C0603
R829 R829
C0603 C0603
B
82 82
L0603 L0603
C881 C881
C878 C878
R0603 R0603 NC NC R844 R844
220p 220p
10k 10k
c0603 c0603
c0603 c0603
VGG TP811 TP811
driver driver
TP60 TP60
A
5
4
MD78X/MD78XG Schematic Diagram (TX Circuit)
R878 R878
10 10
2 1
R1206 R1206
C909 C909 C889 C889 C913 C913 C888 C888 C825 C825 C885 C885 L801 L801
1200pF 1200pF 470p 470p BLM41PG600SN1 BLM41PG600SN1
0.15u 0.15u 1200p 1200p 0.1uF 0.1uF 47p 47p
C806 C806
2 1
L1806 L1806
L803 L803
47p 47p
C0603 C0603 Gate_1 C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603 C1206 C1206 L804 L804 BLM41PG600SN1 BLM41PG600SN1
4T/27nH 4T/27nH
C0805 C0805 L1806 L1806
C820 C820
C833 C833 C1206 C1206
82pF 82pF
39pF 39pF
4TMPA 4TMPA
C8330 C8330 C841 C841
Q802 Q802 C1210 C1210 C1206 C1206
NC NC 100pF 100pF
PD85035S-E PD85035S-E C823 C823 C824 C824 C856 C856
2
NC NC NC NC 100pF 100pF
C1210 C1210 C1210 C1210
C1206 C1206 C1206 C1206 C1210 C1210
2
C832 C832 C834 C834 C870 C870
PD85035S-E PD85035S-E Q803 Q803 4TMPA 4TMPA
C842 C842 C831 C831 39p 39p NC NC 27pF 27pF
PD85035S-E PD85035S-E
NC NC NC NC
C1206 C1206 C1206 C1206 C1210 C1210
C819 C819 C882 C882
PD85035S-E PD85035S-E C812 C812 C1210 C1210 C1206 C1206
100pF 100pF NC NC
82pF 82pF
Gate_2
C1210 C1210 C1206 C1206
C1210 C1210
C846 C846
47pF 47pF
L815 L815
BLM18AG601SN1 BLM18AG601SN1
C0805 C0805 2
TP809 TP809 L0603 L0603
R856 R856 M6 M6 M5 M5 M1 M1 M2 M2 M3 M3 M4 M4
Gate_2
R1206 R1206
TP30 TP30
51 51
Gate_1
GND
MTG3_D6B MTG3_D6B MTG3_D6B MTG3_D6B MTG3_D6 MTG3_D6 MTG3_D6B MTG3_D6B MTG3_D6B MTG3_D6B MTG3_D6 MTG3_D6
R855 R855
51 51 9V3A
TP808 TP808
R1206 R1206
9V3A 9V3A
C991 C991 C990 C990 C992 C992
TP30 TP30
0.1uF 0.1uF 1000p 1000p 100p 100p
L802 L802
BLM41PG600SN1 BLM41PG600SN1 c0603 c0603 c0603 c0603
Q810 Q810
L821 L821
2SB1132 2SB1132
c0603 c0603 BLM18AG601SN1 BLM18AG601SN1
3 2 2
L1806 L1806
C807 C807
10u/25V 10u/25V C829 C829 C845 C845
L822 L822
L0603 L0603
0.1uF 0.1uF 220p 220p
L820 L820
BLM18AG601SN1 BLM18AG601SN1
R877 R877
8TM 8TM 1uH 1uH
C1206 C1206 R881 R881 47K 47K
c0603 c0603 4.7K 4.7K c0603 c0603
R0402 R0402 2SB1132 2SB1132
L827 L827 TX 3
R880 R880
39nH 39nH
4.7K 4.7K
C864 C864 L0603 L0603
1
R830 R830
C863 C863
470pF 470pF Q811 Q811 R0805 R0805
4700pF 4700pF
47 47
R0805 R0805
DTC114EE DTC114EE
C809 C809
220p 220p
2
R827 R827
C871 C871 L0603 L0603
270 270
c0603 c0603
39p 39p DTC114EE DTC114EE R0805 R0805
C0603 C0603
R824 R824 C843 C843 L826 L826
c0603 c0603
22nH 22nH 470pF 470pF 33nH 33nH
1
c0603 c0603 Q805 Q805
C0603 C0603 RD01MUS1 RD01MUS1 C805 C805 R0603 R0603
R803 R803 L805 L805
15p 15p R879 R879 C826 C826
L0603 L0603
R0603 R0603 L814 L814 c0603 c0603 1.2K 1.2K 47n 47n
NC NC 56p 56p
10pF 10pF
RD01MUS1 RD01MUS1 R835 R835 R0603 R0603
82 82
c0603 c0603 c0603 c0603
R898 R898 C813 C813
C814 C814 R0603 R0603 L0603 L0603
C880 C880 24 24 C844 C844 NC NC
L0603 L0603 47p 47p 2
0.047uF 0.047uF NC NC
R845 R845 C877 C877 R846 R846 c0603 c0603
R843 R843 R0603 R0603 c0603 c0603 R808 R808
20K 20K 220p 220p 10K 10K
5.6K 5.6K Q801 Q801 27 27
BFG540W BFG540W
R0603 R0603
c0603 c0603 R0603 R0603
c0603 c0603 R897 R897 R899 R899
c0603 c0603 220 220 220 220
C811 C811 R862 R862
BFG540W BFG540W
R0603 R0603 R0603 R0603 L824 L824 R0603 R0603 R0603 R0603 L825 L825
0 0 NC NC
BLM18AG601SN1 BLM18AG601SN1 BLM18AG601SN1 BLM18AG601SN1
c0805 c0805
VGG Final_bias
R0603 R0603 R0603 R0603
R0805 R0805
L0603 L0603 L0603 L0603
9V3A
3 3
1 1
R867 R867
Q812 Q812 Q813 Q813 8.2k 8.2k
2 2
DTC114EE DTC114EE DTC114EE DTC114EE
SW1 SW1
PAD SW PAD SW
DTC114EE DTC114EE DTC114EE DTC114EE
R0402 R0402
R868 R868
swpush swpush
NC NC
R0402 R0402
4
3
2 1
L812 L812
BLM41PG600SN1 BLM41PG600SN1
L1806 L1806
2 1
C953 C953 C954 C954 C959 C959 C979 C979 C801 C801 C802 C802 C803 C803
L818 L818
BLM41PG600SN1 BLM41PG600SN1
100p 100p 470p 470p 1200p 1200p 220p 220p 1000p 1000p 3300p 3300p 68pF 68pF
L1806 L1806
C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603 C1206 C1206 C0603 C0603 C0603 C0603
C821 C821 C816 C816
4p 4p 8p 8p
L807 L807 C817 C817
100nH 100nH 470pF 470pF
C876 C876 C879 C879
L809 L809 L813 L813 L810 L810
4pF 4pF NC NC
L808 L808 5T/nH 5T/nH 5T/nH 5T/nH 5T/nH 5T/nH
C893 C893
1 2 C1206 C1206 C1206 C1206
4T/22nH 4T/22nH 1200pF 1200pF C0603 C0603
C1206 C1206 C1206 C1206 D801 D801
C874 C874 C835 C835 C1210 C1210 L0603 L0603 C836 C836 C837 C837 C830 C830
MA4P1250 MA4P1250
5TM 5TM 5TM 5TM 5TM 5TM
27pF 27pF NC NC 12p 12p 22p 22p 20p 20p
MA4P1250 MA4P1250
L816 L816
C1210 C1210 C1206 C1206 C1210 C1210
11T/113nH 11T/113nH
C1210 C1210 C1206 C1206 L817 L817
C850 C850 5T/nH 5T/nH
470p 470p
C851 C851 D802 D802 C852 C852
5TM 5TM
22p 22p MA4P1250 MA4P1250 100p 100p
11TM 11TM
R821 R821
RX_in
C1206 C1206
C1206 C1206 C0603 C0603
33 33
R825 R825 MA4P1250 MA4P1250 C861 C861
1 C862 C862
33 33 1500pF 1500pF
2p 2p
C849 C849
R2512 R2512
NC NC
C0603 C0603
C0603 C0603
c0603 c0603
R2512 R2512
TP807 TP807
APC APC
RT803 RT803 R871 R871
NC NC NC NC
t t
1 2
TV_APC
R847 R847
R926 R926 TP60 TP60
47K 47K
R0603 R0603 R0402 R0402
0 0
R0402 R0402
R0402 R0402
1
APC_COMP
R0402 R0402
C868 C868
0.1u 0.1u R873 R873
R831 R831
NC NC
1k 1k R839 R839 R870 R870
VGG 3.3K 3.3K 12K 12K
c0603 c0603
R0402 R0402
R0402 R0402
C904 C904 R0402 R0402
R0402 R0402
R896 R896
C873 C873 NC NC
NC NC D805 D805
1500p 1500p
UDZS5.1B UDZS5.1B
C0402 C0402
c0603 c0603
R0402 R0402
UDZS5_1B UDZS5_1B
R802 R802
3.3K 3.3K C808 C808
1500p 1500p
TP803 TP803
LO LO
c0603 c0603
C822 C822
R805 R805 R0603 R0603 R809 R809
470p 470p
NC NC 30 30
NC NC
TX_LO
R893 R893
R0603 R0603
C818 C818
TP60 TP60
R811 R811 100p 100p
L811 L811 R814 R814 R810 R810
R0603 R0603
330 330 R894 R894
C0603 C0603
c0603 c0603 47nH 47nH 180 180 180 180
0 0
R0402 R0402 R0402 R0402
R0402 R0402
R0603 R0603 R0603 R0603 R0603 R0603 TP812 TP812
L0603 L0603
REV_TEMP_OUT REV_TEMP_OUT D128 D128
1
R874 R874
3
REV_TEMP_DET
2
1K 1K
TP30 TP30 R875 R875
R0402 R0402
DAN222 DAN222
33K 33K
TP813 TP813
TEMP_OUT TEMP_OUT
DAN222 DAN222 R889 R889
NC NC
TEMP_DET
R0402 R0402
R0402 R0402
TP30 TP30
C898 C898 R890 R890
R0402 R0402
220p 220p 3.3k 3.3k
C0402 C0402
R0402 R0402
C993 C993
C0402 C0402 220p 220p
R902 R902
0 0
TV_APC
R904 R904
0 0 R905 R905
R0402 R0402
REV_TEMP_DET 0 0
C994 C994
R0402 R0402
R0402 R0402
560 220p 220p
C0402 C0402
C996 C996
0.1uF 0.1uF
C0603 C0603
3
2
B+
C986 C986
68p 68p
W801 W801
C916 C916 C930 C930 C931 C931 C940 C940 C943 C943
C804 C804 ANTENNA ANTENNA
+ +
22u/25V 22u/25V 3300p 3300p 0.018uF 0.018uF 33p 33p 1200p 1200p 3300p 3300p C0603 C0603
TP801 TP801
1 4
C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603
2 3
C1210 C1210
Directional Couple Directional Couple
TP30 TP30
M801 M801
3 4
Fcouple 4
C827 C827
BNC_LR_PC BNC_LR_PC
1200p 1200p
1 2
Pin Pout
C838 C838 R815 R815 L828 L828 C884 C884
5 6
8p 8p 5 Rcouple 27k 27k 1uH 1uH NC NC
C1206 C1206
L833 L833 R848 R848
47pF 47pF NC NC
C1206 C1206 L832 L832 R840 R840
DM_A_VHF DM_A_VHF
10nH 10nH NC NC
C848 C848 C847 C847 R1206 R1206
150p 150p 150p 150p L1008 L1008
R816 R816 R817 R817
L0603 L0603 r0805 r0805
220 220 220 220
R819 R819 R820 R820
L0603 L0603 r0805 r0805 C0603 C0603
C0603 C0603 82 82 NC NC
D804 D804
C858 C858
RB706F RB706F
NC NC
r0805 r0805 r0805 r0805
2
3
r0805 r0805 r0805 r0805
C0603 C0603 C891 C891
1
R823 R823
120p 120p
100 100
C857 C857 R852 R852 R853 R853
R0603 R0603
22pF 22pF
470 470 470 470
C0402 C0402
MA742 MA742
C0603 C0603
D803 D803
R0603 R0603 R0603 R0603
RB706F RB706F
R822 R822 2
0 0
3
C899 C899
1
120p 120p
R850 R850
R0603 R0603
R851 R851
NC NC
NC NC
C0402 C0402
MA742 MA742
R834 R834 R836 R836
R832 R832 R833 R833
R841 R841 NC NC NC NC
NC NC NC NC
33k 33k
R0603 R0603
R0603 R0603
R0603 R0603 R0603 R0603
R0603 R0603 R0603 R0603
U801 U801
5 4
R837 R837 R838 R838
C894 C894 0 0 33k 33k
6 3
0.018uf 0.018uf
7 2
R842 R842 R0402 R0402 C875 C875 R0402 R0402
C0402 C0402 8 1
12k 12k 150P 150P
R857 R857
AD8566 AD8566 0 0
compatible AD8566
C0402 C0402
R0402 R0402
AD8566 AD8566 R866 R866
2.2K 2.2K R0402 R0402
R0402 R0402
220pF 220pF
C883 C883
R854 R854 R849 R849
56k 56k 2.2k 2.2k
C0402 C0402
U802 U802 R887 R887
TA75W01FU TA75W01FU 820 820
R0402 R0402 R0402 R0402
5 4
R863 R863
R882 R882 0 0
6 3
150k 150k
R0402 R0402 R865 R865
7 2
R892 R892
R869 R869 39k 39k
R0402 R0402
C890 C890 82K 82K
8 1
220p 220p
R0402 R0402
R872 R872 1k 1k
C0402 C0402
ad8566 ad8566
180k 180k R0402 R0402 R0402 R0402
C895 C895 R895 R895
R0402 R0402
220p 220p 9V3A
56k 56k
C0402 C0402
R0402 R0402 R886 R886
R884 R884
R888 R888
220k 220k
TP810 TP810
15k 15k
0 0
TEMP TEMP
R891 R891 R885 R885 L806 L806
0 0 10k 10k 1uH 1uH
R0402 R0402
R0402 R0402
C896 C896
220p 220p R883 R883 L0603 L0603 TP30 TP30
R0402 R0402 R0402 R0402
56k 56k
RT804 RT804
C0402 C0402 100k 100k
R0402 R0402
R876 R876 R0603 R0603
C897 C897
56k 56k
220p 220p
R903 R903
C0402 C0402
0 0
R0402 R0402
U804 U804
R0402 R0402
NJM2904V NJM2904V
5 4
6 3
7 2
DESIGNER: SHY
8 1
R907 R907
0 0 Title Title Title
APC_COMP TX
<Title> <Title> <Title>
R0402 R0402
R921 R921
Size Size Size Document Number Document Number Document Number
0 0 C995 C995
C C C <Doc> <Doc> <Doc>
220p 220p
R0402 R0402
C0402 C0402 Date: Date: Date: Tuesday, May 10, 2011 Tuesday, May 10, 2011 Tuesday, May 10, 2011
2
1
C970 C970 C975 C975 C976 C976 C977 C977 C982 C982
100p 100p 120p 120p 150p 150p 180p 180p 270p 270p
C0603 C0603 C0603 C0603
C0603 C0603 C0603 C0603 C0603 C0603
D
C1206 C1206
C
B
A
Rev Rev Rev
<RevCode> <RevCode> <RevCode>
Sheet Sheet Sheet 14 14 14 of of of 14 14 14
1