Sharp LC-46X8E/S/RU, Service Manual

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LC-46X8E/S/RU
5 – 4
1.3. IC1402 (VHiR2S15502-1Y)
1.3.1 Block Diagram
1.3.2 Pin Connections and short description
4, 6, 10, 11,
12, 13, 17,
19, 39, 41,
43, 48, 61, 63
NC — Unconnected pins.
Pin No. Pin Name I/O Pin Function
1 AVSS — 0V Power Supply for Analog Core
2 AVDD — 3.3V Power Supply for Analog Core
3 SIF I Sound IF Input
4 VREF1 — ADC Voltage Reference 1
5 VREF2 — ADC Voltage Reference 2
6 TEST I Test pin
7 XI I Crystal Oscillator Input
8 XO O Crystal Oscillator Output
9 IVDD — 3.3V Power Supply for I/O Buffer
10 IVSS — 0V Power Supply for I/O Buffer
11 DVSS — 0V Power Supply for Logic Core
12 DVDD — 1.5V Power Supply for Logic Core
13 DACCLK I/O DAC Clock
14 BCK I/O Bit Clock
15 LRCK I/O LR Clock
16 SD0 O Digital Output for External DAC
17 SDI I Digital Input for Internal DAC
18 SDA I/O I2C bus Serial Data
19 SCL I I2C bus Serial Clock
20 STATUS I/O PLL Setting / Status Signal
21 RESET I Hardware Reset (Active low)
22 ROUT O Rch Analog Output
23 VCOM — DAC Voltage Reference
24 LOUT O Lch Analog Output
Pin No. Pin Name I/O Pin Function