Belson BSA-3750, Руководство по обслуживанию

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DVD - DivX Player - BSA3750
32
Filter and Reference
Voltage Interface
106 I Video DAC reference voltage input (VREF).
107 I Compensation input (COMP).
Front Panel
Display Interface
206 I Infrared remote control input (IR); (5V tolerant input).
General-Purpose
187-189, 191 O General-purpose open collector output (GPIO9-7, 5); Pull up to VCC using
a 4.7-k
&!
resistor.
190, 192 I/O General-purpose I/O (GPIO6, 4); (5V tolerant input).
I
2
C Bus Interface
199 I/O I
2
C data I/O (I2C_DATA); (5V tolerant input).
200 I/O I
2
C clock I/O (I2C_CLK); (5V tolerant input).
Power and Ground
1, 10, 19, 35, 44,
53, 62, 79, 96,
126, 185
P I/O power supply (VD33).
9, 18, 34, 43, 52,
61, 78, 95, 119,
127, 186, 208
G I/O ground (VS33).
26, 70, 86, 137,
197
G Ground for core power (VSS).
27, 71, 87, 138,
198
P Core power supply (VDD).
104 P Power supply for PLL block (VD33_PL).
105 G Ground for PLL block (VS33_PL).
111 P Power supply for video DAC (VD33_DA).
112 G Ground for video DAC (VS33_DA).
143 G Analog ground for ADC (AVSS_AD).
147 P Analog power supply for ADC (AVDD3_AD).
152 P Analog power supply for data slicer (AVDD3_DS).
157 G Analog ground for data slicer (AVSS_DS).
158 G Analog ground for data PLL (AVSS_PL).
162 P Analog power supply for data PLL (AVDD3_PL).
167 G Analog ground for DAC (AVSS_DA).
170 P Analog power supply for DAC (AVDD3_DA).
Serial Port Interface 203 I C2PO error correction flag from CD (C2PO); (5V tolerant input).
Servo Data Slicer
Interface
153 I Inverting input of data slicer (IPIN).
154 I Analog RF signal input after passing through equalizer (minus) (RFIN).
155 I Analog RF signal input after passing through equalizer (plus) (RFIP).
156 O Data slicer level output (DSSLV).
ES6688A Device Interfaces (Continued)
Name Pin Numbers I/O Definition