Waveforms Of Major Check Point; System 27 Mhz Clock, Reset, Flash R/W Signal - LG DM5360K Service Manual

WAVEFORMS OF MAJOR CHECK POINT

1. SYSTEM 27 MHz CLOCK, RESET, FLASH R/W SIGNAL

1
Fig 1-1. MT1389 main clock is at 27 MHz
R850
100K
X801
27MHz
IC105
APS2401-3.3V
4 VIN 3
SW
1
5
EN FB
R188
1K
(X801)
1
FB105
600R
100uF/10V
3.3V
L101
4.7uH
R187
4.7K
C118 C163 C164
104P 10uF 10uF
R189
EC107
1M
470uF/16V
C160
22P
2
3
1.2 V
4 3.3 V
Fig 1-2. MT1389 reset is high active.
TRD 17
TRO
FOD 18
FOO
TRIN 19
FG_/_GPIO2
5.1R
R1
USBDP
20
USB_DP
5.1R
R2
USBDM
21
USB_DM
22
VDD33_USB
23
VSS33_USB
R801
24
PAD_VRT_/_GPIO37
5.1K 1%
USB_V12
25
VDD12_USB
PU_DET
26
YCLK
IOA 27
DV_Y0
28
DV_Y1
29
DV_Y2
30
DV_Y3
31
DV_Y4
32
DV_Y5
33
DV_Y6
34
DV_Y7
SF_CS 1 2 35
SF_CS_
RE4
SF_DO
3 4 36
SF_DO
SF_DI 101R
5 6 37
SF_DI
SF_CK 7 8 38
DVDD33_5
RE3
39
SF_CK
101R
1 2 40
UP1_6_/_SCL
2
3 4 41
UP1_7_/_SDA
RXD
5 6 42
GPIO11
TXD
7 8 43
GPIO6
DVD_RST 44
PRST_
R805
1K
C812
104P
D804
0603ESDA-05
MCU_VCC
EC109
C124
104P
VCC3.3
Q103
4
KO3415
2 3
C119
EC108
104P
R145
220uF/10V
4.7K
R146
1K
R147
Q104
3904
4.7K
POWER ON --> 3.3 V
3-26
DVD_RST
MT1389GH
LQFP176
V1.0
FB106
NC
FB107
600R
C122
C121
104P
104P
IC106
3
LM1117-1.2
IN OUT
3 2
GND
C123
C145
C120
104P
100uF/10V
104P
ON_PWR
DSP_3.3V
ADC_3.3V
VCC1.2