SERVICE MANUAL LC-XB41 - TechEdu.com

Control Port Functions
PIN NO. PORT NO. PORT NAME FUNCTION SIGNAL NAME DESCRIPTION I/O
411 R5 CR_IN CR_IN Compornent Video (CR) Input I
86 T1 SCART_CV SCART_CV Composite Video Signal Input for SCART I
264 T3 S_Y S_Y S-Y Signal Input I
410 T5 Y_IN Y_IN Compornent Video (Y) Input I
283 U3 SMUXIN1 SOG MUX input Ch1 SOG Sync on Green Signal Input I
409 U5 SMUXIN0 SOG MUX input Ch0 Y_IN Y Signal Input (Not used) I
282 V3 BMUXIN1 Blue MUX input Ch1 VIDEO Video Signal Input I
408 V5 BMUXIN0 Blue MUX input Ch0 CB_IN Compornent Video (CB) Input I
140 V25 MREFIN1 Memory Voltage Reference
82 Y1 RAI1 Ch1 Analog Input R R Signal Input I
280 Y3 GAI1 Ch1 Analog Input G G Signal Input I
174 AA2 SOG1 SOG Ch1 SOG Ch1 Sync on Green ch1 Input I
258 AB3 BAI1 Ch1 Analog Input B B Signal Input I
331 AC7 HS1 HS1 H-Sync Input I
166 AE6 ADCXOUT Crystal oscillator X'TAL OUT
165 AE7 AFETEST3 TestPin TAFETST3
162 AE10 RESETB Reset PW_RESET Reset Input I
161 AE11 VS1 Channel 1 VSync VS1 V-Sync Input I
50 AE26 NMI NMI NMI NMI Input I
72 AF5 ADCXIN Crystal oscillator X'TAL IN
IIC Bus D/A Converter Port Functions (M62334)
PIN NO. PORT NO. NAME DESCRIPTION I/O
1 A1 FAN_DAC1 Fan Control Analog Output AO
2 A2 FAN_DAC2 Fan Control Analog Output AO
3 A3 FAN_DAC3 Fan Control Analog Output AO
4 A4 FAN_DAC4 Fan Control Analog Output AO
5 GND GND - -
6 SDA SDA IIC BUS SDA(5V) I/O
7 SCL SCL IIC BUS SCL(5V) I/O
8 Vcc Vcc - -
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