Sony STR-DB798 Service Manual

67
STR-DB798
A/V SYNC BOARD IC2010 CXD9722TQ (LIP SYNC ADJUST)
Pin No.
Pin Name I/O Description
1 to 5
D1 to D5
I/O
Two-way data bus with the SD-RAM
6 VDD -
Power supply terminal (+3.3V)
7, 8
D6, D7
I/O
Two-way data bus with the SD-RAM
9 VSS -
Ground terminal
10 WE O
Write enable signal output to the SD-RAM
11 CAS O
Column address strobe signal output to the SD-RAM
12 RAS O
Row address strobe signal output to the SD-RAM
13 CS O
Chip select signal output to the SD-RAM
14 CLK O
Clock signal output to the SD-RAM
15 CKE O
Clock enable signal output to the SD-RAM
16 VDD -
Power supply terminal (+3.3V)
17 to 22
A11, A10, A0 to A3
O
Address signal output to the SD-RAM
23 VSS -
Ground terminal
24 to 29
A9 to A4
O
Address signal output to the SD-RAM
30 VSS -
Ground terminal
31 DRSO O
Surround R-ch data output terminal Not used
32 DLSO O
Surround L-ch data output terminal Not used
33 DEXRO -
Not used
34 DLFEO O
Sub woofer data output terminal Not used
35 DCO O
Center data output terminal Not used
36 VDD -
Power supply terminal (+3.3V)
37 DRO O
Front R-ch data output terminal Not used
38 DLO O
Front L-ch data output terminal Not used
39 VSS -
Ground terminal
40 DMRO O
Data output terminal for R-ch down mix Not used
41 DMLO O
Data output terminal for L-ch down mix Not used
42 VSS -
Ground terminal
43 VDD -
Power supply terminal (+3.3V)
44 DLDRO O
Surround back audio data output to the D/A converter
45 CSWO O
Center and sub woofer audio data output to the D/A converter
46 SLSRO O
Surround audio data output to the D/A converter
47 FLFRO O
Front audio data output to the D/A converter
48 VSS -
Ground terminal
49 SPDIFO O
Digital audio data output terminal Not used
50 TEST1 I
Input terminal for the test
51 TRST I
Reset signal input from terminal Not used
52 TMS I
Mode selection signal input terminal Not used
53 TCK I
Clock signal input terminal Not used
54 TDI I
Serial data signal input terminal Not used
55 TDO O
Serial data signal output terminal Not used
56 TEST2 I
Input terminal for the test
57 SPDIFI I
Digital audio data input terminal Not used
58 VSS -
Ground terminal
59 LRCKI I
L/R sampling clock signal (44.1 kHz) input from the audio digital signal processor
60 BCKI I
Bit clock signal (2.8224 MHz) input from the audio digital signal processor
61 VDD -
Power supply terminal (+3.3V)

Sony STR-DB798 Specifications

General

Impedance	8 Ω
Supported radio bands	FM
Radio Data System (RDS)	Yes
Channels quantity	7 channels
I/O ports	Output(Component x 1, Optical Digital x 1, Composite x 1, S-Video x 1), Input(Component x 2, Optical Digital x 4, S-Video x 4, Coaxial Digital x 2, Composite x 4)