Ic Pin Function Description - Sony XR-C7500RX Service Manual

7-16. IC PIN FUNCTION DESCRIPTION

MAIN BOARD IC100 CXD2726Q-4 (DIGITAL SIGNAL PROCESSOR, DIGITAL FILTER, D/A CONVERTER)
Pin No. Pin Name
1 VSS1
2 to 15 T.P
16 to 21 TST0 to TST5
22 to 24 JPE1 to JPE3
25 VDD1
26 AVS3
27 AOUTL1
28 AVD3
29 AOUTR1
30 AVD5
31 AVS5
32 AVD1
33 AVS1
34 LREF
35 LIN
36 AVS7
37
AVD7
38 AOUTL2
39 AVDX
40 XTLO38
41 XTLI38
42 AVSX
43 AOUTR2
44 AVD8
45 AVS8
46 RIN
47 RREF
48 AVS2
49 AVD2
50 AVS6
51 AVD6
52 AOUTL3
53 AVD4
54 AOUTR3
55 AVS4
56 VSS2
57 XRST
58 BFOT
59 SCK
34
I/O
— Ground terminal (digital system)
I Input terminal for the test (fixed at "L")
I
Input terminal for the test (fixed at "L")
I
External condition jump terminal "H": condition jump (fixed at "L")
— Power supply terminal (+3.3V) (digital system)
—
Ground terminal (for D/A converter 1) (analog system)
D/A converter 1 (L-ch side) output terminal
O
Analog signal output for front side (L-ch side) output in this set
—
Power supply terminal (+3.3V) (for D/A converter 1) (analog system)
D/A converter 1 (R-ch side) output terminal
O
Analog signal output for rear side (L-ch side) output in this set
—
Power supply terminal (+3.3V) (for D/A converter 1) (analog system)
—
Ground terminal (for D/A converter 1) (analog system)
—
Power supply terminal (+3.3V) (for L-ch side A/D converter) (analog system)
—
Ground terminal (for L-ch side A/D converter) (analog system)
O
Connected to the bus control for A/D converter (for L-ch side)
A/D converter (L-ch side) analog input terminal
I
Tuner and bus audio input signal (L-ch side) in this set
—
Ground terminal (for D/A converter 2) (analog system)
—
Power supply terminal (+3.3V) (for D/A converter 2) (analog system)
O
D/A converter 2 (L-ch side) output terminal Not used (open)
—
Power supply terminal (+3.3V) (for master clock) (analog system)
O System clock output terminal (16.9344 MHz)
I
System clock input terminal (16.9344 MHz)
— Ground terminal (for master clock) (analog system)
O D/A converter 2 (R-ch side) output terminal Not used (open)
— Power supply terminal (+3.3V) (for D/A converter 2) (analog system)
— Ground terminal (for D/A converter 2) (analog system)
A/D converter (R-ch side) analog input terminal
I
Tuner and bus audio input signal (R-ch side) in this set
O Connected to the bus control for A/D converter (for R-ch side)
— Ground terminal (for R-ch side A/D converter) (analog system)
— Power supply terminal (+3.3V) (for R-ch side A/D converter) (analog system)
— Ground terminal (for D/A converter 3) (analog system)
— Power supply terminal (+3.3V) (for D/A converter 3) (analog system)
D/A converter 3 (L-ch side) output terminal
O
Analog signal output for rear side (R-ch side) output in this set
— Power supply terminal (+3.3V) (for D/A converter 3) (analog system)
D/A converter 3 (R-ch side) output terminal
O
Analog signal output for front side (R-ch side) output in this set
—
Ground terminal (for D/A converter 3) (analog system)
—
Ground terminal (digital system)
I
System reset signal input from the system controller (IC600) "L": reset
O
Master clock signal output terminal Not used (open)
Serial data transfer clock signal input from the system controller (IC600) and liquid crystal
I
display drive controller (IC800)
Description