Waveforms Of Major Check Point; When Power On, Reset & Data Etc Waveform - LG CM1530 Service Manual

WAVEFORMS OF MAJOR CHECK POINT

1. WHEN POWER ON, RESET & DATA ETC WAVEFORM
1
2
CLK (FLASH) CLK (FLASH)
3
4
Figure 1-1.
D801
C800 1N4148
1uF
R800 Q800
1
1K
R801
22K
D800
2 1
1N4148
C809 0.1uF
GND
HAVC
EC803
C807
0.1uF
GND
C805 0.1uF
EC804
C806 0.1uF
M33V_LDO
C808 0.1uF
GND
RF_1V8
C802 R803 0
32KTALI
32.768KHz
C803
R802
32KTALO
RESET (CD) RESET (CD)
F_DI F_DI
F_DO F_DO
GND
R804
VREF_16
4.7K
XSLEGP
EC809
C817
XSPINDLE
R805 XFOCUS
0.1uF
XTRACK
1K
C812
1uF
LDO
TPI
TNI
MCPUH
MBPUH
SEV_3V3 MDPUH
MAPUH
10
11
EC806
C166 0.1uF
12
C813
FELPFO 13
0.1uF
TELPFO 14
SBLPFO 15
SEV_3V3 C819 1uF
16
17
C814 0.1uF
18
19
20
21
32KTALI 22
32KTALO 23
24
25
26
V18
27
28
GND
2 1
29
M33V_CKG
30
31
32
33
34
35
36
LINE_L
C815
37
LINE_R
0.1uF
38
AUD_GND
GND
AUD_3V3
DM
C818
DP
EC805 EC808
0.1uF
AUD_GND
AUD_GND
3V3SD
SEV_3V3
M33V_PAD
C821 0.1uF
MDI
1
LDO
2
TP1
3
TP2
4
MC
5
MB
6
MD
7
MA
8
AVDD33_2
9
HAVC
V12
AVSS33_2
TELP
MPXOUT1
MPXOUT2
MPXOUT3
COSP
COSN
M5677(SDRAM)
AVDD_3
VTB
VTP
AVSS_3
32KTALI
32KTALO
AVSS33_LDO
AVDD33_LDO
AVDD18_LDO
AVDD18_RTC
XAMIN
XFMIN
AVDD33_CKG
XTALI
XTALO
AVSS33_CKG
AVDD18
AVSS18
LINEOUTL
LINEOUTR
AVSS33_AUD
C823
3-10
3V3SD
R817
CN800
10K
CON2_2.0MM
MUTE34
600RH
1
1
CD_TX 2
2
2
600RH
CD_RX 2
LIMIT
MUTE1
CP_SDA
GND
1 2
3
102
GPIOI0/I2C_CLK CP_SCL
101 USE_RCOSC
GPIOH7/USE_RCOSC
100 RESETJ
PRSTB
R813 75R
99
GPIOH6/SFSCK
R814 75R
98
GPIOH5/FSCSB
R815 75R
97
GPIOH4/SFDI
R816 75R
96
GPIOH3/SFDO
95
GPIOH2/DOCD_CLK
IPOD_DET1
94
GPIOH1/DOCD_DATI
93
GPIOH0/DOCD_DATO
92
GPIOG7/LCD_DAT
91
GPIOG6/LCD_WR
90
GPIOG5/LCD_CS
89
GPIOG4/AM/FM
88
GPIOG3/SDD2
87
GPIOG2/SDD3
86
VDD_PAD M33V_PAD
85
GND
GND_PAD
84
GPIOF3/SD_CMD
83
GPIOF2/SD_PWR
82
GPIOF1/SD_CLK
81
GPIOF0/SDD0
80
GPIOE7/SDD1
79
CARD_DET
GPIOE6/SDDET
78
GPIOE5/SD_WP
77
GPIOE4/RA14
76
GPIOE3/RA13
75
GPIOE2/RA12
74
GPIOE1/RA4
73
GPIOE0/RA5
72
GPIOD7/RA6
71
GPIOD6/RA7
70
GPIOD5/RA8
69
GPIOD4/RA9
68
GPIOD3/RA11
67
GPIOD2/RCKE
66
GPIOD1/RSDCLK
65
GPIOD0/RD0
0
R820
M33V_PAD
NC 15R
GND
C8550
1
4
F_CLK
F_CS
F_DI
F_DO
M33V
EC812
LDO