Hytera MD78X Service Manual page 353

5
TP4031 TP4031
B+
TP4032 TP4032
B900 B900
C902 C902 + + D900 D900
C903 C903
470p/50V 470p/50V
470uF/25V 470uF/25V
MR2835SKG MR2835SKG
D
L930 10uH L930 10uH
U902 U902
C981 C981 AAT1189IRN-0.6-T1 AAT1189IRN-0.6-T1
+ + C927 C927
0.1u 0.1u
10uF/25V 10uF/25V
6
BST
14
IN
17
BP
16
LX7
15
LX6
7 5
EN LX5
4
LX4
13 3
VL LX3
C912 C912
2
C914 C914 + + LX2
1
47uF/25V 47uF/25V LX1
2.2u/25V 2.2u/25V
8
RS
C920 C920
9
2.2u/10V 2.2u/10V
OS
11
FB
10
COMP
R952 R952
PWR_ON
24K 24K
1 2
Q920 Q920
D918 D918
C
NC NC
D45H8G D45H8G
L940 L940
BLM41PG600SN1 BLM41PG600SN1
1 2 3 2
C980 C980
C950 C950 + +
0.1u 0.1u
10uF/25V 10uF/25V
R958 R958
R953 R953
680 680
10 10
R961 R961
Q921 Q921 R965 R965
1
PZT2222AT1 PZT2222AT1
R966 R966
150 150
R968 R968 2.2k 2.2k
PWR_ON
B
U913 U913
LM317L(nc) LM317L(nc)
1 2
IN OUT1
3
OUT2
6
OUT3
C938 C938 7
OUT4
1uF 1uF R936 R936
680 680
R939 R939
1k 1k
A
Q909 Q909
F900 F900 L917 L917
2SB1184 2SB1184
3 2 1
LITTELFUSE04662 LITTELFUSE04662
C944 C944
R943 R943
1000p 1000p
R946 R946
47k 47k
1K 1K
3
R974 1k R974 1k
1
PWR_ON
Q912 Q912
2SK1824 2SK1824
2
5
4
MD78X/MD78XG Schematic Diagram (Power Circuit)
MMBZ6V8ALT1G MMBZ6V8ALT1G
D237 D237
B901 B901
L904 L904
9V3
BLM18PG181SN1D BLM18PG181SN1D
D901 D901
BAS16 BAS16
C923 C923
1u 1u
C907 C907
R924 1K R924 1K
0.1u 0.1u
L902 L902
10uH 10uH
C911 C911
C960 C960
D902 D902 330p 330p
R911 R911
180p 180p
R909 R909 B340A B340A
2.2K 2.2K 44.2K 1% 44.2K 1%
R912 R912
C947 C947 0.1u 0.1u 510 510 C951 C951 C915 C915
C948 C948
+ +
R960 R960 4.7K 4.7K
0.1u 0.1u
R951 1.5K R951 1.5K
R981 NC R981 NC
R918 R918
C921 C921 220p 220p
6.04K 1% 6.04K 1%
R915 R915 24K 24K
9V3A
C922 C922 56p 56p
C928 C928
10u/16v 10u/16v
+ +
RX
9V3
L916 L916
1 2
BLM41PG600SN1 BLM41PG600SN1
+ + + +
C956 C956 C957 C957
D915 D915 C955 C955 C958 C958
10uF/25V 10uF/25V 10uF/25V 10uF/25V
1SS372 1SS372 0.1u 0.1u
R962 R962 R964 R964
0 0 2.2K 1% 2.2K 1%
1u 1u
C952 0.01U C952 0.01U
R963 R963 R971 R971 2.74K 1% 2.74K 1%
330 330 0 0 R972 R972 C962 C962
2.2k 2.2k
0 0
U914 U914 R982 100k R982 100k
NJM2904V NJM2904V
D917 D917
UDZSTE(175.1B) UDZSTE(175.1B)
R969 R969
47k 47k 3
R970 1k R970 1k
1
3
1
Q923 Q923
2
DTC114EE DTC114EE
Q922 Q922
DTC114EE DTC114EE
2
1 2
PWR_CTRL_594
D914 D914 HVC131TRF-E HVC131TRF-E
R978 R978 1K 1K 1 2
PWR_CTRL
D909 D909
HVC131TRF-E HVC131TRF-E
D904 D904
3VRTC
RB521S30T1G(nc) RB521S30T1G(nc)
1 2
C939 C939
R935 R935
0.1u 0.1u D905 D905
470 470
RB521S30T1G(nc) RB521S30T1G(nc)
2
C968 C968
R937 R937
0.1u 0.1u 4.7K 4.7K
R940 R940
EMERGENCY_IN
U912 U912 22K 22K
ML414RF9AE ML414RF9AE
Q910 Q910
MMBT3906LT1 MMBT3906LT1
EXT_SWB+
2
2
C969 C969
R942 R942
0.1u 0.1u
4.7K 4.7K
R944 R944
PWB_IN
22K 22K
4
3
5VD
TP4035 TP4035
5VA
U905 U905
XC6209F502PR XC6209F502PR
C925 C925
4 5
Vin Vout
2 1u 1u
Vss
C924 C924
1u 1u
3 1
CE Nc
L908 L908 3V3A
BLM18PG181SN1D BLM18PG181SN1D
C934 C934
C935 C935 + +
2.2uF/10V 2.2uF/10V C929 C929
0.1u 0.1u
10uF/16V 10uF/16V
Q902 Q902 9V1A_RX
2SB1132 2SB1132
3 2
C910 C910
1000p 1000p
R906 R906
47k 47k
R908 R908
3
4.7K 4.7K
1
Q903 Q903
DTC114EE DTC114EE
2
0.1u 0.1u
U915 U915 U918 U918
3V3A_FGU
XC6209F502PR XC6209F502PR 5VA_FGU XC6209F332PR XC6209F332PR
4 5 4 5
Vin Vout Vin Vout
2 C963 C963 2 C965 C965
Vss C926 C926 + + Vss
2.2u 2.2u
0.1u 0.1u
10uF/16V 10uF/16V
3 1 3 1
CE Nc CE Nc
R954 R954 1K 1K
R948 R948
3
D910 D910
100 100
2 1 1
Q913 Q913
R949 R949 C945 C945
DTC114EE DTC114EE
UDZSTE(1715B)15V UDZSTE(1715B)15V
47K 47K 470p 470p
R931 R931
2
47K 47K
U917 U917
2
VDD
R929 R929 100 100
1
OUT
4
NC
R934 R934 5
NC1
47K 47K
R3111N421A R3111N421A
Q905 Q905
R930 R930
3 4
R984 R984 220 220 15k 15k
R933 R933 220 220 2
C967 C967
1 5
0.1u 0.1u R976 R976
10K 10K
3V3D
UMC4N UMC4N
R975 R975
20K 20K
R938 R938
Q906 Q906
10K 10K
MMBT3906LT1 MMBT3906LT1 D906 D906
3 1 2
R941 R941
3
HVC131TRF-E HVC131TRF-E
1K 1K
1
Q908 Q908
DTC114EE DTC114EE 3V3D
R979 R979
2
10K 10K
D907 D907 R945 R945
3 1 2 10K 10K
HVC131TRF-E HVC131TRF-E R947 R947
3
1K 1K
1
Q914 Q914
DTC114EE DTC114EE
R980 R980
2
10K 10K
340
3
2
U900 U900
RP102N331B RP102N331B 3V3D
1 5
VDD VOUT
2
GND
C900 C900 3 4 C901 C901
CE NC
1u 1u 1u 1u
U901 U901
RP102N331B RP102N331B 3V3DP
1 5
VDD VOUT
2
GND
C905 C905 C906 C906
3 4
CE NC
1u 1u 1u 1u
U903 U903
XC6209F182PR XC6209F182PR L901 L901 1V8D
4 5
Vin Vout
BLM18PG300SN1 BLM18PG300SN1
C966 C966
2
Vss
C908 C908 1u 1u
1u 1u
3 1
CE Nc
U919 U919
L903 L903
L931 L931
4.7uH 4.7uH
1 10
VIN PGND
4.7uH 4.7uH 2 9
LBO SW
R925 4.7K R925 4.7K
3 8
C936 C936 R910 R910 GND EN R922 NC R922 NC
4 7
0.1u 0.1u 4.7K 4.7K
PG SYNC
+ + C946 C946 5 6
C917 C917 FB LBI
1u 1u
10uF/16V 10uF/16V
TPS62050 TPS62050
R913 R913
4.7K 4.7K AAT1189
3V3D
U910 U910
5
SENCE
3
MR
C937 C937
1000p 1000p
4
CT
C941 C941
0.15u 0.15u
3V3D
R950 R950
10K 10K
R967 R967
VOTG_DET
0 0
U906 U906
1
MR WDO
2
3V3D VCC
3
GND
C978 C978
4
PFI
0.1u 0.1u
TPS3705-33D TPS3705-33D
R977 R977
nc nc
PWR_ON
C942 C942
0.1u 0.1u
R957 R957
1K 1K
Q1 Q1
C933 C933
EMERGENCY
R955 R955
1 2 1
2SK1824 2SK1824
180k 180k
22uF/16V 22uF/16V
R956 R956
D911 D911
180K 180K
HVC131TRF-E HVC131TRF-E
PWB
DESIGNER
Title Title Title
<Title> <Title> <Title>
Size Size Size Document Number Document Number Document Number
C C C <Doc> <Doc> <Doc>
Date: Date: Date:
2
1
D
1V6D
+ +
C918 C918 C919 C919 C932 C932
R917 R917
2.2u 2.2u
22p 22p 330K 1% 330K 1% 10uF/16V 10uF/16V
R919 R919
150K 1% 150K 1%
C
R932 R932
/PRST1 /PRST1
4.7K 4.7K
D913 D913
1 2 1
RSET /PRST
MBRM120LT1G MBRM120LT1G
TPS3808G33DBVT TPS3808G33DBVT
D912 D912
8
7 2 1
/RST
6
WDI
MBRM120LT1G MBRM120LT1G
5 B
PFO
R983 R983 0 0
RST_CTRL
M7 M7 M8 M8 M9 M9 M10 M10 M11 M11 M12 M12 M13 M13
IGN_SENSE_IN
R959 R959
47k 47k
A
LHY
POWER
Rev Rev Rev
<RevCode> <RevCode> <RevCode>
Tuesday, May 10, 2011 Tuesday, May 10, 2011 Tuesday, May 10, 2011 Sheet Sheet Sheet 8 8 8 of of of 14 14 14
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