Major Waveforms; Ic1 Micom Interface Waveform - LG MDD105 Service Manual

1. IC1 MICOM INTERFACE WAVEFORM

1) During power on
1
IC1 Pin33 DVD_CE
IC1 Pin72 RESET
2
3
IC1 Pin34 DVD_DO
IC1 Pin35 DVD_DI
4
FIG. 1-1
ESS8390/8391SCC

MAJOR WAVEFORMS

IC1
1
R5A1 R5A4
10R 10R
R5A7
10R
2) During normal play
1
2
3
4
IC1 Pin35 DVD_DI
80
VDAC/YUV6
C90 R5A0
FDAC/YUV7 79
104 390 1%
78
RESET/YUV4
COMP/YUV3 77
76
VREF
VD33 75
74
VS33
CLK/TDMCLK/RBCK 73
R5B4
2
72
RESET
FB600
MCLK 71
AUX3[0]/CAMIN0 70
104
AUX3[1]/CAMIN1 69 C540
68
VDD
VS33 67
VD33 66
C551
AUX3[2]/CAMIN2 65
104
AUX3[3]/CAMIN3 64
AUX3[4]/CAMIN4 63
AUX3[5]/CAMIN5 62
AUX3[6]/CAMIN6 61
AUX3[7]/CAMIN7 60
AUX15/656CLK 59
AUX14/TBCK/TXD1 58
AUX13/RWS/TDMFS 57
AUX12/RBCK/TDMCLK 56
55
AUX11/RSD/TDMDR
AUX10/TSD[3] 54
AUX9/HSYNC/TXD2 53
VD33 52
51
VS33
AUX8/VSYNC/RXD2 50
49
SPDIF_OUT
SPDIF_IN 48
3 4
47
SPI_DO
SPI_DI 46
45
SPI_CLK
R-X
NC
C79 C541
104 104
C186
100P
GND
3-16
IC1 Pin33 DVD_CE
IC1 Pin72 RESET
IC1 Pin34 DVD_DO
FIG. 1-2
CVBS
C129
10P
C89
104
C81
104
R551
XOUT
750R R5A9
MRST
R5B2 750R MCLK
FB600
C182
330P
C196
C195
103
103
GND
TP1
UP_SW
TURO+
TURO-
SENSOR
DOWN_SW
R558 FB272
R554 FB272
DALRCK
R5A8 FB272
ADC_BCK
ADC_DATA
R5B8 10R
IN_SW
L21
C550
FB600
104
R5B7 FB600 OUT_SW
OPT_OUT
SPI_DO
Intel Flash Option SPI_DI
SPI_CLK
R5B6 NC
SPI_CLK_4MB
R5B9 0R
COREVCC
C78
220uF C549
16V 104