Sony STR-DA90ESG Service Manual page 15

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DIGITAL BOARD IC3308 SN-PM4007A (DOLBY (AC-3) DEMODULATOR)
Pin No. Pin Name I/O
1 GND —
2 VDD —
3 RESET I
4 OSCON I
5 DATA I
6 MCK I
7 MLTB I
8 IDST O
9 IDCK O
10 IDO O
11 TM0 I
12 ECCK O
13 DEY O
14 DRY O
15 DRY O
16 TM1 I
17 A0 O
18 A1 O
19 A2 O
20 A3 O
21 A4 O
22 A5 O
23 TM2 I
24 TM3 I
25 XOUT O
26 XIN I
27 NEXT I
28 GND —
29 VDD —
30 A6 O
31 A7 O
32 GND —
33 VDD —
34 A12 O
35 A14 O
36 WE O
37 A13 O
38 A8 O
39 A9 O
40 GND —
41 A11 O
42 OE O
43 A10 O
44 D7 I/O
45 D6 I/O
Ground terminal
Power supply terminal (+5V)
Reset signal input from the master controller (IC3413) "L": reset
Oscillation on/off control signal input terminal "H": on (fixed at "H")
Test terminal Not used (fixed at "L")
Test terminal Not used (fixed at "L")
Test terminal Not used (fixed at "L")
Test terminal Not used (open)
Test terminal Not used (open)
Test terminal Not used (open)
Test terminal Not used (fixed at "L")
Test terminal Not used (open)
Test terminal Not used (open)
Test terminal Not used (open)
Test terminal Not used (open)
Test terminal Not used (fixed at "L")
Address signal output to the S-RAM (IC3309)
Test terminal Not used (fixed at "L")
Test terminal Not used (fixed at "L")
System clock output terminal Not used (open)
System clock input terminal Not used (fixed at "L")
Test terminal Not used (fixed at "L")
Ground terminal
Power supply terminal (+5V)
Address signal output to the S-RAM (IC3309)
Address signal output to the S-RAM (IC3309)
Ground terminal
Power supply terminal (+5V)
Address signal output to the S-RAM (IC3309)
Address signal output to the S-RAM (IC3309)
Write enable signal output to the S-RAM (IC3309) "L" active
Address signal output to the S-RAM (IC3309)
Ground terminal
Address signal output to the S-RAM (IC3309)
Output enable signal output to the S-RAM (IC3309) "L" active
Address signal output to the S-RAM (IC3309)
Two-way data bus with the S-RAM (IC3309)
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Function