Ic Pin Function Description - Sony DMP-1000P Service Manual

5-23. IC PIN FUNCTION DESCRIPTION

• DK-39E BOARD IC407 F432301PGF (A/D, D/A CONVERTER, MEMORY BUS CONTROL)
Pin No. Pin Name
1 MDT15
2 DGND
3 DVCC
4, 5 MAD11, MAD10
6 to11 MAD9 to MAD4
12 DGND
13 to16 MAD3 to MAD0
DGND
17
DVCC
18
SC
19
SYCX
20
DVCC
21
DGND
22
AGND
23
BIAS1
24
COMP1
25
26 VREF1
27 IREF1
28 AVCC
29 Y OUT
30 AGND
31 BIAS2
32 COMP2
33 VREF2
34 IREF2
35 AVCC
36 U OUT
37 AGND
38 BIAS3
39 COMP3
40 VREF3
41 IREF3
42 AVCC
43 V OUT
44 DGND
45 TI CHK
46 LDX
47 RESV
48 SYET
49 EXET
50 CGEEX
51 RESX
I/O
I/O
Two-way data bus with the D-RAM (IC403) (upper 8 bit)
— Ground terminal (logic system)
—
Power supply terminal (+5V) (logic system)
O
Address signal output terminal Not used (open)
O
Address signal output to the D-RAM (IC403)
—
Ground terminal (logic system)
O
Address signal output to the D-RAM (IC403)
—
Ground terminal (logic system)
—
Power supply terminal (+5V) (logic system)
O
Sub carrier output terminal Not used (open)
O
Composite sync signal output to the CXA1229M (IC103)
—
Power supply terminal (+5V) (logic system)
—
Ground terminal (logic system)
—
Ground terminal (D/A converter, analog system)
I/O
Bias control terminal of the D/A converter
I/O
Comparator in/out terminal of the D/A converter
Reference voltage (+3V) input terminal
I
Used for the D/A output level adjustment of luminance signal (Y signal)
I/O Reference current control terminal
—
Power supply terminal (+5V) (D/A converter, analog system)
O
Analog Y signal output terminal (luminance signal output terminal)
—
Ground terminal (D/A converter, analog system)
I/O Bias control terminal of the D/A converter
I/O
Comparator in/out terminal of the D/A converter
Reference voltage (+3V) input terminal
I
Used for the D/A output level adjustment of chroma signal
I/O
Reference current control terminal
—
Power supply terminal (+5V) (D/A converter, analog system)
O
Analog U signal output terminal (B-Y color difference signal output terminal)
—
Ground terminal (D/A converter, analog system)
I/O
Bias control terminal of the D/A converter
I/O
Comparator in/out terminal of the D/A converter
Reference voltage (+3V) input terminal
I
Used for the D/A output level adjustment of chroma signal
I/O
Reference current control terminal
—
Power supply terminal (+5V) (D/A converter, analog system)
O
Analog V signal output terminal (R-Y color difference signal output terminal)
— Ground terminal (logic, digital system)
I
Test input terminal (normally: fixed at "L")
I
Test input terminal (normally: fixed at "L")
I
Reset signal input for the internal SG V "H": reset Not used (fixed at "L")
O Sync selection signal output at external reading Not used (open)
O
Internal/external selection signal output terminal Not used (open)
EE, WR/READ select signal output to the video input circuit (IC101, 102) and Y/C separator
O
(IC105)
System reset signal input from the reset signal generator (IC501) "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
Description
5-53
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DMP-1000P (AEP)