Sony STR-DB798 Service Manual

68
STR-DB798
Pin No. Pin Name I/O
Description
62 VSS -
Ground terminal
63 DLDRI I
Surround back audio data input from the audio digital signal processor
64 CSWI I
Center and sub woofer audio data input from the audio digital signal processor
65 SLSRI I
Surround audio data input from the audio digital signal processor
66 FLFRI I
Front audio data input from the audio digital signal processor
67 TEST3 I
Input terminal for the test
68 CLK512 I
Master clock signal input from the audio digital signal processor
69 VSS -
Ground terminal
70 XRST I
Reset signal input terminal "L": reset
71 VDD -
Power supply terminal (+3.3V)
72 SCLK I
Serial clock signal input from the main system controller
73 XCS I
Chip select signal input from the main system controller
74 SI I
Serial data input from the main system controller
75 SO O
Serial data output to the main system controller
76 DEXRI -
Not used
77 DMLI I
Data input terminal for L-ch down mix Not used
78 DMRI I
Data input terminal for R-ch down mix Not used
79 VSS -
Ground terminal
80 PHRI I
Clock signal input terminal Not used
81 BCKAI I
Bit clock signal (2.8224 MHz) input terminal Not used
82 DQM -
Not used
83 DLI I
Front L-ch data input terminal Not used
84 DRI I
Front R-ch data input terminal Not used
85 DCI I
Center data input terminal Not used
86 DLFEI I
Sub woofer data input terminal Not used
87 DLSI I
Surround L-ch data input terminal Not used
88 DRSI I
Surround R-ch data input terminal Not used
89 VSS -
Ground terminal
90 to 95
D15 to D10
I/O
Two-way data bus with the SD-RAM
96 VDD -
Power supply terminal (+3.3V)
97, 98
D9, D8
I/O
Two-way data bus with the SD-RAM
99 GND -
Ground terminal
100
D0
I/O
Two-way data bus with the SD-RAM

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)