Kirisun DP770 Service Manual

DP770 Service Manual
Appendix Figure 11 DP770 VHF Main Board Schematic Diagram
Page 90 of 102
DCDC 5V
PMU
PWR SW
TP3
D2
12
F1
3A/32V
1
2
J1
BAT
TP1
D3
R2
470k
R6
100k
1
2
3
D4
DAN222
FB2
BLM21P300S
TP2
Q4
MMBT3904
R12
47k
R14
3.3k
R3
2k
R10
47k
R1
100R
FB1
BLM21P300S
R11
1k
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
U1
TPS62110
+
C5
22uF/10V
R5
10K
R9
NC
C6
1uF
C7
100nF
C8
10pF
L1
10uH
R4
510k
R7
150k
C9
1uF
+
C1
100uF/6.3V
C2
1uF
C3
100nF
C4
10pF
FB3
BLM21P300S
12
D1
PESD5V0S1UB
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
U2
TPS65023
+
C25
10uF/16V
C26
1uF
C27
100nF
C28
10pF
L3
10uH
R22 10k
+
C22
47uF/6.3V
C23
100pF
L4
10uH
R29 10k
+
C29
22uF/10V
C30
100pF
R36 10K
R37 10K
R38 10K
R33
0R
R34
0R
C31
2.2uF/16V
C33
100pF
+
C32
10uF/16V
+
C34
10uF/16V
R27 10k
R30 10k
R25 10k
R26 10k
R28 10k
C24
1000pF
R18
4.7k
R19
4.7k
R20
10k
R21
10k
R17
10k
+
C18
10uF/16V
C19
1uF
R16 0R
L2
10uH
+
C20
22uF/10V
C21
100pF
R24 33R
R23 33R
FB4
BLM18PG181SN1
C12
10uF/6V3
C13
100pF
C14
10pF
C15
1uF
C16
100nF
C17
100pF
+
C10
NC
C11
1uF
Q3
DTC144EE
Q6
MMBT3904
Q7
MMBT3904
R35
10k
R32
10k
R31
10k
TP4
TP5
TP6
+
C179
100uF/6.3V
+
C182
22uF/10V
Q1
ST2301A
C277
5pF
C302
10pF
C303
20pF
C304
56pF
C437
100pF
C305
150pF
C439
270pF
C440
1000pF
C187
1nF
C188
10nF
1
32
Q2
VCC_3V3
[8]
PWR-SW+
[8]
PWR-SW-
POWER
[4]
POWER_CTL
[4]
POWER_KEY_DET
BB_7V5
BB_7V5
VCC_5V
VCC_5V
VCC_5V
VCC_3V3
VCC_1V2
VCC_5V
VCC_5V
LDO_3V3
[4,6,8]
I2C0_SCL
[4,6,8]
I2C0_SDA
VCC_5V
[2]
SYS_RESET
LDO_3V3
VCC_5V
VCC_1V8
VCC_3V3 IO_3V3
VCC_5V
VCC_1V2
[1]
DCDC2_EN
[1]
DCDC2_EN
VCC_1V8
BAT_7V5
BAT_7V5

Kirisun DP770 Specifications

General

Brand	Kirisun
Model	DP770
Category	Radio
Language	English