Hytera MD78X Service Manual page 427

5
D
5VA_FGU
C
CV
TP124 TP124
CV CV
R180 R180
10k 10k
C87 C87
0.1u 0.1u
FL_Control
R183 R183
1K 1K
R5 R5
0 0
R168 R168
NC NC
LP_control
5VA_FGU
B
L1 L1
3.3UH 3.3UH
+ +
C92 C92 C73 C73
NC NC
A
5
4
MD78X/MD78XG Schematic Diagram (PLL Circuit)
L156 L156
3.3UH 3.3UH
+ +
C1009 C1009
C1010 C1010
1000p 1000p
1u/16V 1u/16V
L8 L8
3V3A_FGU
601SN1 601SN1
2 1
L7 L7
C80 C80 C83 C83
601SN1 601SN1
1 2
0.01U 0.01U 0.1u 0.1u
L6 L6
601SN1 601SN1
C86 C86
0.1u 0.1u
PLLLD PLLLD
R177 R177
TP121 TP121
10K 10K
R181 R181
Fin
1K 1K
PLL_LD
C95 C95
0.01u 0.01u
D100 D100
BA277 BA277
R171 R171
R187 R187
0 0
82 82
C132 C132
C124 C124 C122 C122
C1017 C1017
C1016 C1016
nc nc 0.1uF 0.1uF
0.1uf 0.1uf R111 R111 C123 C123
NC NC 0.1uF 0.1uF
0.1uF 0.1uF
100 100
5VA_FGU
U101 U101
FSA66P5X FSA66P5X
5 1
Vcc Vin
2
OUT
4 3
ON/OFF GND
C75 C75 R6 R6 R182 R182 R114 R114
R3 R3
1000P 1000P
0 0 0 0 nc nc 56 56
5VA_FGU
U102 U102
FSA66P5X FSA66P5X
5 1
Vcc Vin
2
OUT
4 3
ON/OFF GND
C79 C79
1000P 1000P
TP110 TP110
REF REF
4V3A C1000 C1000
220p 220p
VCO Power Filter
L152 L152
Q104 Q104
601SN1 601SN1
2SC4617 2SC4617
3 1 2 1
C1006 C1006
C1015 C1015
R176 R176 C1003 C1003
470p 470p 470p 470p 0.1uF 0.1uF
4.7K 4.7K
NC NC
C1005 C1005 C78 C78 C94 C94
0.1U 0.1U 0.1U 0.1U 0.1U 0.1U
+ +
C1001 C1001 C71 C71
470p 470p 1u/16V 1u/16V
4
3
R175 R175
10 10
C89 C89
C82 C82
1000p 1000p 0.1u 0.1u
C121 C121
100p 100p
U100 U100
R109 R109 TP116 TP116
sky72310 sky72310
C93 C93
10 10 PLLDATA PLLDATA
100p 100p
1 24
VCCecl/cml Mux_out
2 23
Fvco_main NC23
3
Fvco_main
22
C90 C90
Clock
100p 100p 4 21
LD/PS_main CS
5 20
VCCcp_main Data
6
CPout_main
19
C1320 C1320
VCCdigital
7 18
C1002 C1002 NC7 NC18 100p 100p
8 17
1000p 1000p
Xtalacgnd/OSC NC17
9 16
Xtalin/OSC NC16
10 15
Xtalout/NC NC15
11 14 C98 C98
VCCxtal NC14
12 13 0.1u 0.1u
GNDXtal NC13
C97 C97 C96 C96
0.01U 0.01U 1000p 1000p
L149 L149
NC NC
19.2_AD9864
C65 C65
NC NC R188 R188
0 0
L150 L150 C85 C85
NC NC
0.1u 0.1u
19.2_OMAP
C81 C81
C1004 C1004 NC NC
33P 33P
R174 R174
X100 X100
0 0
4 1
VCC VCC VCONT VCONT
3 2
OUT OUT GND GND
L154 L154
C99 C99
0.56u 0.56u DSA535SD DSA535SD
270p 270p
REF OSC
C1007 C1007 C91 C91 C88 C88 C70 C70 C74 C74 C84 C84 C72 C72 C67 C67 C69 C69 C68 C68
0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U
414
3
2
TP118 TP118 TP120 TP120
PLLSTB PLLSTB PLLCLK PLLCLK
R167 33 R167 33
PLL_CLK
PLL_STB
R178 33 R178 33
PLL_DATA
R1110 33 R1110 33
C77 C77 C76 C76
100p 100p 100p 100p
3V3A_FGU
R4 R4
100 100
C1013 C1013
+ +
10u/16V 10u/16V
TP119 TP119
R166 R166 MOD_L MOD_L
NC NC
R2 R2
0 0
MOD_L_RFCS
R184 R184
NC NC
C66 C66 C64 C64 C103 C103 C105 C105 C104 C104
0.1U 0.1U 0.1U 0.1U nc nc nc nc nc nc
DESIGNER: ZDW
Title Title Title
<Title> <Title> <Title>
Size Size Size Document Number Document Number Document Number
C C C <Doc> <Doc> <Doc>
Date: Date: Date: Sunday, September 19, 2010 Sunday, September 19, 2010 Sunday, September 19, 2010
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1
D
C
B
A
PLL
Rev Rev Rev
<RevCode> <RevCode> <RevCode>
Sheet Sheet Sheet 9 9 9 of of of 14 14 14
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