Table of Contents
Advertisement
K
USB 5
10,11 SDA,SCL
USB_VBUS
IC505
TO DMA
6,7,9 USUSP1,CEN1,UCTL1
BAT 1,2
BAT+
TO BATTERY
USB
CHARGE
J
17,18 SYS
16 VDDM
I
1 LX1
2 PVDD1
22 FB1
EN1 24
EN2 14
17 PVDD2
18 LX2
H
DELAY
EN3 3
CIRCUIT
21 FB2
EN4 20
13 PVDD3
12 LX3
IC501
G
15 FB3
SWITCHING
CONTROL
6 PVDD4
7 LX4
4 FB4
F
8 EN5
11 PVDD5
9 VOUT5
10 FB5
E
D
C
B
A
1
2
3
4
POWER CIRCUIT
CH1
L5301
STEP UP
CIRCUIT
VIN 4
ROAD SW
CH2
L5021
STEP DOWN
CIRCUIT
CH3
L5031
STEP DOWN
CIRCUIT
ROAD SW
CH4
L5041
STEP DOWN
CIRCUIT
CH5
STEP DOWN
CIRCUIT
STEP UP CIRCUIT
5
6
7
8
I2C_SDA
I2C_SCL
USB_SUSPEND
CHARGE_EN
USB_HPWR
UNREGST
UNREGSY
PON
TO DMA
BOOST5.0V
3 VOUT
VDD5
IC504
1 CE
HDMI_5V_ON
TO DMA
VDD1.1
VDD3
Q5006
CMOS1.8
PAON1
TO DMA,CAA
VDD1.8
PAON2
TO DMA,CAA
VAA2.8
L5071
LCDAN
BLON
LCDFB
TO DMA
SG41L_PW_BLOCK
9
10
11
12
C7
CIRCUIT DIAGRAMS
CIRCUIT WAVEfORMS
TEST POINT
TEST POINT
WAVEFORM
LOCATION
LOCATION
IC101
CN171
PIN A3
XOUT
1V/div
20ns/div
IC101
CN171
PIN D11
AMCLK
1V/div
40ns/div
IC101
CN171
PIN AD19
CLK32K
1V/div
10µs/div
13
14
15
16
K
WAVEFORM
J
PIN 14
DCLK
1V/div
40ns/div
I
PIN 15
HD
1V/div
H
10µs/div
G
PIN 16
VD
1V/div
4ms/div
F
WF-SG41L
E
D
C
B
A
17
18
19
Advertisement
Chapters
Table of Contents
