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C8
SYSTEM CONTROL CIRCUIT
VDD2
VDD3
VDD1
ZBAT_OFF
RESET
VSS2
VSS3
VSS1
ZBKUPCTL
KEY_PLAY
KEY_DOWN/WIDE
ZCARD
ONENAND_RESET
SW3.2ON
ZSREQ
ST_CHG
TH_TEMP
XCOUT
XCIN
X3002
32.768KHz
UNREGSY
ASIC_SCK
ASIC_SDI
ASIC_SDO
ZBOOT_COMREQ
ZUSB DET
MRST
HOTLINE
ZAVJACK
PLLEN
ZCHGDONE
HINGE
IC301
8bit MICRO-
PROCESSOR
LI
BA
T
O
FF
RE
SET
BA
CK
UP
VI
N
AL
W
AY
S
BACKUP
BOOST5.3V
BACKUP3.2V
TO DMA
IC302
BATTERY
BACKUP
STANDBY LED
(UNIT SW)
KEY_2ND
KEY_LEFT
KEY_1ST
TH301
TEMP SENSOR
PON
KEY_VREC
KEY_SET
KEY_RIGHT
KEY_UP/TELE
KEY_MENU
KEY_POWER
MR_OPEN
TO DMA
TO PWA
UNREGSY
ONENAND_RESET
ZCARD
ZUSBDET
ZAVJACK
HOTLINE
MRST
ZBOOT_COMREQ
SREQ
PLLEN
ASIC_SDO
ASIC_SDI
ASIC_SCK
PON
ST_CHG
ZCHGDONE
SW3.2ON
BACKUP3.2V
SW3.2V
Q3004
RED_LED
GREEN_LED
PON2
PON2
RTX
UTX
IC305
BATTERY
REMAINING
GAUGE
AL3.2V
5
6
7
8
4
3
2
1
Z3001
36
21
14
49
57
56
35
10
53
59
9
31
55
54
51
24
32
23
29
33
30
22
15
16
18
25
40
44
13
45
52
61
5
17
26
50
43
64
63
1
60
62
42
2
20
19
11
12
SG318_SY_BLOCK
TO UNIT SW
MR_PANELTURN
Q3002
TO SW
CIRCUIT WAVEFORMS
TEST POINT
LOCATION
WAVEFORM
TEST POINT
LOCATION
WAVEFORM
IC101
PIN AE12
XO
1V/div
10ns/div
CN171
PIN 14
DCLK
1V/div
50ns/div
IC101
PIN AB25
D4CKIN
1V/div
4ns/div
IC101
PIN P3
ADCK
500mV/div
40ns/div
IC101
PIN Y2
AMCLK
1V/div
20ns/div
IC101
PIN W20
MCLK
1V/div
10ns/div
WF-SG318
IC101
PIN AB23
D4CKO
1V/div
10ns/div
CN171
PIN 15
HD
1V/div
20µs/div
CN171
PIN 16
VD
1V/div
5ms/div
CIRCUIT DIAGRAMS