Read Sharp LC-20B2E (serv.man2) Service Manual online
18
LC-13B2H/M
LC-15B2H/M
LC-20B2H/M
LC-15B2H/M
LC-20B2H/M
37
Y3
Picture Bus Luma
38
Y2
Picture Bus Luma
39
Y1
Picture Bus Luma
40
Y0
Picture Bus Luma (LSB)
41
C7
Picture Bus Chroma (MSB)
42
C6
Picture Bus Chroma
43
C5
Picture Bus Chroma
44
C4
Picture Bus Chroma
45
DVCC
Supply Voltage, Chroma Output Circuitry
46
DGND
Ground, Chroma Output Circuitry
47
C3
Picture Bus Chroma
48
C2
Picture Bus Chroma
49
C1
Picture Bus Chroma
50
C0
Picture Bus Chroma (LSB)
51
DGND
Ground, Sync Pad Circuitry
52
DVCC
Supply Voltage, Sync Pad Circuitry
53
FIELD
Interlace Output
54
VACT
Active Video Output
55
CPULSE
Front Sync/Horizontal Clamp Pulse
56
HSYNC
Main Sync/Horizontal Sync Pulse
57
VSYNC
Vertical Sync Pulse
58
FPDAT
Front-End/Black-End Data
59
AVCC
Standby Supply Voltage
60
CLK5
CCU 5MHz Clock Output
61
N.C.
Not connected
62
XIN
Analog Crystal Input
63
XOUT
Analog Crystal Output
64
AGND
Analog Shield GND
65
AGND
Ground, Analog Front-End
66
VRT
Reference Voltage Top, Analog
67
I
2
SEL
I
2
C Bus Address Select
68
AGND
Signal Ground for Analog Input, connect to GND
69
AVCC
Supply Voltage, Analog Front-End
70
VOUT
Analog Video Output
71
SC
Chroma/Analog Video5 Input
72
SY
Video1 Analog Input
73
AV1 V
Video2 Analog Input
74
AV2 V
Video3 Analog Input
75
AV3 V
Video4 Analog Input
76
AVCC
Supply Voltage, Analog Component Inputs Front-End
77
AGND
Ground, Analog Component Inputs Front-End
78
VREF
Reference Voltage Top, Analog Component Inputs Front-End
79
OSD_BK
Fast Blank Input
80
AGND
Signal Ground for Analog Component Inputs, connect to GND
4-16. Description of LCD controller IC (IC1201) RH-IX3378CEZZQ terminals
No.
Terminal name
Description
1
GND
GND Grounding
2
GND
GND Grounding
3
GND
GND Grounding
4
TM3
Not used
5
TM2
Gate vertical reverse signal output
6
TM1
Not used
7
SCAN
Not used
8
NBH
Vertical and horizontal display reverse signal input
9
NT/PAL
Not used
10
VS
VSYNC input
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