Service manual

25
LC-20VM2
LC-121M2E
LC-150M2E
Terminal No. Symbol I/O Voltage Function block Function
99 TST7 I 3V Test signal(Internal PD)
100 TST6 I 3V Test signal(Internal PD)
101 TST5 I 3V Test signal(Internal PD)
102 TST4 I 3V Test signal(Internal PD) A/D clock terminal input/output switching
for test
103 TST3 I 3V Test signal(Internal PD)
104 TST2 I 3V Test signal(Internal PD)
105 TST1 I 3V Test signal(Internal PD)
106 TSH I 3V Horizontal synch signal
for test
107 GND
108 ADCK I/O 3V VIDEO PLL A/D clock output
109 TST9 I 3V
110 PC_VD I 3V Common SPLS, SPRS polarity setting
111 SECAM O 3V Common
112 VDD 3V
113 GND
114 B7 I 3V RGB gradation process BLUE signal input (LSB)
115 B6 I 3V RGB gradation process
116 B5 I 3V RGB gradation process
117 B4 I 3V RGB gradation process
118 B3 I 3V RGB gradation process
119 B2 I 3V RGB gradation process
120 B1 I 3V RGB gradation process
121 B0 I 3V RGB gradation process BLUE signal input (MSB)
122 GND
123 OCVD O 3V Sync signal process Vertical synch signal, Digital countdown
output
124 TSV I 3V LCD TIMING Vertical synch signal input
125 ETWEN I 5V LCD TIMING External MBK signal input
(Scanning conversion PWB)
126 OSCOZ I 3V LCD TIMING 15.1" support
127 OSCIZ I 3V LCD TIMING SPLS, SPRS polarity setting
128 GND