LG LH-T3039X Service Manual page 37

Pin Main
100 DACVDDB
101 DACVDDA
102 Y/G
103 B/CB/PB
104 R/CR/PR
105 AADVSS
`
106 AKIN2
107 ADVCM
108 AKIN1
109 AADVDD
110 APLLVDD3
111 APLLCAP
112 ADACVSS2
113 ADACVSS1
114 ARF / LFE
115 ARS
116 AR
117 AV CM
118 AL
119 ALS
120 ALF /CENTER
121 ADACVDD1
122 ADACVDD2
123 AVDD18_1
124 AGND18
54, 90 DVDD18
LGE Internal Use Only
Alt. Type
Power
Power
Analog
Analog
Analog
Ground
Analog
Analog
Analog
Power
Power
Analog InOut
Ground
Ground
GPIO Analog Output
GPIO Analog Output
Analog Output
Analog
GPIO Analog Output
GPIO Analog Output
GPIO Analog Output
Analog Power
Analog Power
Analog Power
Analog Ground
General Power/ Ground (7)
Power
Description
3.3V power pin for video DAC circuitry
3.3V power pin for video DAC circuitry
Green, Y, SY, or CVBS
Blue, CB/PB, or SC
Red, CR/PR, CVBS, or SY
Ground pin for 2ch audio ADC circuitry
1) Audio ADC input 2
2) MS_CLK set B
3) MCDATA
4) Audio Mute
5) HSYN/VSYN output
6) C5
7) GPIO
1) 2ch audio ADC reference voltageC
2) C6
3) GPIO
1) Audio ADC input 1
2) MS_D0 set B
3) Audio Mute
4) HSYN/VSYN output
5) C7
6) GPIO
3.3V power pin for 2ch audio ADC circuitry
3.3V Power pin for audio clock circuitry
APLL external capacitance connection
Ground pin for audio DAC circuitry
Ground pin for audio DAC circuitry
1) Audio DAC sub-woofer channel output
2) While internal audio DAC not used:
a. ACLK
b. GPIO
1) Audio DAC right Surround channel output
2) While internal audio DAC not used:
a. ABCK
b. GPIO
1) Audio DAC right channel output
2) While internal audio DAC not used:
a. SDATA2
b. GPIO
c. RXD2
Audio DAC reference voltage
1) Audio DAC left channel output
2) While internal audio DAC not used:
a. SDATA1
b. GPIO
c. RXD1
1) Audio DAC left Surround channel output
2) While internal audio DAC not used:
a. ALRCK
b. GPIO
1) Audio DAC center channel output
2) While internal audio DAC not used:
a. ASDATA0
b. GPIO
3.3V power pin for audio DAC circuitry
3.3V power pin for audio DAC circuitry
Analog 1.8V power
Analog Ground
1.8V power pin for internal digital circuitry
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Only for training and service purposes