LC-32P70E (serv.man10). Major ICs information - Sharp TV Service Manual (repair manual). Page 31

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STMicroelectronics Confidential

  7368868E

Confidential

Signal names are prefixed by NOT_ if they are active low; otherwise they are active high.
All signals are only 3.3 V capable unless otherwise indicated as 1.8 V or 5 V tolerant.

C4

Others

75

4

S8

SDRAM/EMI

75

8

S8b

SDRAM/EMI

75

8

E8

EMI
(programmable)

35

8

a

a. Typical load, but the maximum is 75 pF

25

6

a

15

4

a

5

2

a

P4

PIO

400

4

VDDVDACRGB

AE12

1

3.3 V power supply for RGB video DAC

VDDVDACYCC

AF10

1

3.3 V power supply for YCC video DAC

GNDVDACRGB

AC12

1

Ground for RGB video DAC

GNDVDACYCC

AC10

1

Ground for YCC video DAC

SHIELDVDAC

AC9

1

Shield ground for 2 x video DACs

IREFDACRGB

AD11

1

RGB video DAC current reference

IREFDACYCC

AE9

1

YCC video DAC current reference

VREFDACRGB

AC11

1

RGB video DAC voltage reference

VREFDACYCC

AD9

1

YCC video DAC voltage reference

VDDVPLL

C15

1

3.3 V power for video PLL

VDDAUDIOFSYN

B17

1

1.8 V dedicated power for low jitter audio clock
frequency synthesizer

GNDAUDIOFSYN

C17

1

Dedicated ground for low jitter audio clock frequency
synthesizer

VDDGENFSYN

A16

1

1.8 V dedicated power for nonaudio clock frequency
synthesizer

GNDGENFSYN

B16

1

Dedicated ground for nonaudio clock frequency
synthesizer

VDDAADAC

AA2

1

3.3 V power for audio DAC

VSSAADAC

AA1

1

Ground for audio DAC command switches