Kirisun DP770 Service Manual

DP770 Service Manual
Page 84 of 102
DEFLDO1 DEFLDO2 VLDO1 VLDO2
0 1.2 V 3.3 V 0
1 0
0 1
1
2.8 V 3.3 V
1.2 V 1.8 V
1.8 V 3.3 V1
PIN LEVEL VOLTAGE
DEFDCDC1DEFDCDC1DEFDCDC1
DEFDCDC1DEFDCDC1DEFDCDC1
DEFDCDC2DEFDCDC2DEFDCDC2
DEFDCDC2DEFDCDC2DEFDCDC2
DEFDCDC3DEFDCDC3DEFDCDC3
DEFDCDC3DEFDCDC3DEFDCDC3
Q903
DTC114EE
TP902
TP
+
C904
47uF/35V
C915
10uF
C910
NC
1000pF C927
L902 10uH
R925
10k
R929
10k
R919
10k
R909
3.3K
FB901
0R
C901
4.7pF
12
D901
PESD12VS1UB
12
D906
PESD5V0S1UB
C938
10pF
R921
10k
L901
10uH
R910
10K
R926
0R
R902
BLM21PG221SN1D--
C912
0.1uF
0.1uF C906
1000pF C936
1
DEFDCDC3
2
VDCDC3
3
PGND3
4
L3
5
VINCDDC3
6
VINDCDC1
7
L1
8
PGND1
9
VDCDC1
10
DEFCDCD1
11
HOT_RESETN
12
DEFLDO1
13
DEFLDO2
14
VSYSIN
15
VBACKUP
16
VRTC
17
AGND2
18
VLDO2
19
VINLDO
20
VLDO1
/LOWBAT
21
LDO_EN
22
DCDC3_EN
23
DCDC2_EN
24
DCDC1_EN
25
TRESPWRON
26
/RESPWRON
27
/INT
28
SDAT
29
SCLK
30
/PWRFAIL
31
DEFDCDC2
32
VDCDC2
33
PGND2
34
L2
35
VINDCDC2
36
VCC
37
PWRFAIL_SNS
38
LOWBAT_SNS
39
AGND1
40
PWRPAD
41
U902
TPS65023
100pF C926
R920
10k
R923
10k
21
F901
2.5A-32V
100pF
C934
100pF C929
1000pF
C933
R913
4.7k
FB905
BLM18PG181SN1
+
C922
22uF
R922
10K
+
C905
22uF
C921
2.2uF
C919
1uF
Q904
MMBT3904
100pF
C931
+
C902
47uF/35V
1
PGND
2
VIN1
3
VIN2
4
EN
5
SYNC
LBO
6
7
LBI
8
VINA
9
AGND
FB
10
11
GND1
12
GND2
PG
13
SW2
14
SW1
15
16
PGND1
17
PWRPAD
U901
TPS62110
1
2
3
D904
DAN222
R914
4.7k
TP903
TP
+
C918
22uF
R907 12K
R927
0R
R932
BLM21PG221SN1D--
R911
10R
21
D905
MMSZ4678T1G
C911
10uF/10V
C916
1000pF
10pF C925
R930
NC
C923
10uF
R906
150k
C907
1uF
1000pF C939
100pF C937
R904
510k
R912
10K
FB907
BLM18PG181SN1
R915
10K
R917
10k
12
D903
1SR154-400
12
D902
PESD12VS1UB
+
C913
22uF
C909
100pF
C935
10pF
1000pF
C930
Q901
ST2301
R924
10k
R916
10k
C903
10pF
R908 47K
1
2
J901
BAT-PD700
R903
2K
10pF C928
10pF C932
C908
0.1uF
R928
100K
Q902
2SK1824
L904 10uH
C920
0.1uF
C917
10uF
C1064
0.1uF
+
C914
22uF
+
C924
NC
R901
100R
R918
10k
R905
1K
12
D907
PESD3V3S1UB
L903 10uH
FB906
BLM18PG181SN1
R19
NC
R20
NC
R21
NC
R14
0R
Q3
NC
TP2 TP
TP3 TP
+
C1
22uF
TP4 TP
TP5 TP
TP6 TP
TP7 TP
TP8 TP
TP9 TP
+
C2
47uF/35V
VCC_5V0
VCC_1V2
LDO_3V3
VCC_1V8
VCC_5V0
VCC_5V0
LDO_3V3
VCC_3V3
VCC_5V0
IO_3V3
VCC_5V0
VCC_5V0
LDO_3V3 LDO_3V3
LDO_3V3 LDO_3V3 VCC_5V0
VCC_5V0
VCC_5V0
VCC_3V3
VCC_5V0
VCC_5V0
VCC_5V0
VCC_3V3
BAT_7V5
LDO_3V3
SD_3V3
POWER
SYS_RESET
I2C0_SCL
I2C0_SDA
PWR-SW-
PWR-SW+
POWER_KEY_DET
DCDC3_EN
DEFDC1
DEFDC3
DEFLDO1
DEFDC2
DCDC1_EN
DCDC2_EN
DEFLDO2
VCC_3V3
POWER_CTL
POWER_CTL
PWR-SW+
PWR-SW-

Kirisun DP770 Specifications

General

Brand	Kirisun
Model	DP770
Category	Radio
Language	English