-
11
-
Model No.: LCT-20CHST
Version: 1.0
LCD Interface
145 OCLK
Clock
output
146 LDE
Enable
signal
144 LVSYNC
Vertical
sync
output
143
LHSYNC
Horizontal sync output
138 LVA0M
LVDS output 0
-
137
LVA0P
LVDS ouput 0+
136 LVA1M
LVDS output 1
-
135
LVA1P
LVDS ouput 1+
134 LVA2M
LVDS ouput 2
-
133
LVA2P
LVDS output 2+
128 LVA3M
LVDS output 3
-
127
LVA3P
LVDS ouput 3+
132 LVACKM
LVDS clock signal ouput
-
131
LVACKP
LVDS clock signal ouput +
26-23,18-15
RB[7:0]
TTL red signal channel
14-11, 8-5
GB[7:0]
TTL green signal channel
4,3,154,153,150-147 BB[7:0]
TTL blue signal channel
GPIO Interface
87 GOUT1/PWM1
PWM
output
1
86 GOUT0/PWM0
PWM
output
0
2
BYPASS
Outside connect filter capacitor
29
DDC_DAT
Analog interface DDC data
30
DDC_CLK
Analog interface DDC clock
31
DDCROM_CLK
DDC ROM clock
32 DDCROM_DAT
DDC
ROM
data
34
XIN
Crystal oscillator signal input
35
XOUT
Crystal oscillator signal output
Power Pins
48, 54, 58, 77
AVDD
A/D convert power supply
56 AVDD_PLL
PLL
power
supply
36 AVDD_MPLL
MPLL
power
supply
10, 22, 88, 99, 111,
129, 139, 151
VDDP
Digital signal output power supply
19, 102, 114, 142
VDDC
Digital circuit power supply
1, 9, 20, 21, 37, 42,
45, 51, 57, 59, 76,
81, 89, 100, 101,
112, 113, 130, 140,
141, 152
GND Digital
circuit
ground
Summary of Contents for LCT-20CHST
Page 1: ...LCT TV Service Manual...
Page 7: ...7 Model No LCT 20CHST Version 1 0...
Page 17: ...17 Model No LCT 20CHST Version 1 0 TDA15021H inside block diagram...
Page 19: ...19 Model No LCT 20CHST Version 1 0 TDA9178 inside block diagram...
Page 21: ...21 Model No LCT 20CHST Version 1 0 TDA1517 inside block diagram...
Page 47: ...47 Model No LCT 20CHST Version 1 0 WIRING DIAGRAM...