Sony STR-DE835 Service Manual page 29

IC1201 MB90573PFV-G-190-BND SYSTEM CONTROL(DIGITAL BOARD)
Pin No. Pin Name I/O
1 SCLK O
2 SI I
3 SO O
4 CS O
5 IC O
6 D.SIG I
7 5.1CH O
8 VCC
—
9 SIN0 I
10 SOT0 O
11 N.C O
12 N.C O
13 XHDWR O
14 XHDRD O
15 SOD
I
16 XHDCS O
17 HD7 O
18 HD6 O
19 HD5 O
20 HD4 O
21 HD3 O
22 HD2 O
23 HD1 O
24 HD0 O
25 HA0 O
26 XRST O
27 HRDY I
28 CS O
29 CCLK O
30 CDTI O
31 CDTO I
32 PD O
33 VSS —
34 C —
35 96KHz O
36 N.C I
37 N.C I
38 DVCC —
39 DVSS
—
40 N.C O
41 N.C —
42 AVCC —
43 AVR+ —
44 AVR- —
45 AVSS —
46 EVSTB
O
47 EVDATA O
48 EVCLK O
49 DISPMR I
50 DISPDATA I
To CXD9511Q clock
To CXD9511Q data input
To CXD9511Q data output
To CXD9511Q chip select
To CXD9511Q reset(Pull Down near CXD9511Q)
ZERO data detect
5.1CH muting.
Power supply +5 V
UART input. Used for rewriting flash memory
UART output. Used for rewriting flash memory
Not used (Connected to ground)
Not used (Connected to ground)
To CXD2712 data write
To CXD2712 data read
To CXD2712 LFE detection
To CXD2712 chip select
To CXD2712 HCIF data I/O
To CXD2712 HCIF data I/O
To CXD2712 HCIF data I/O
To CXD2712 HCIF data I/O
To CXD2712 HCIF data I/O
To CXD2712 HCIF data I/O
To CXD2712 HCIF data I/O
To CXD2712 HCIF data I/O
To CXD2712 address
To CXD2712 reset
To CXD2712 ready
To AK4526A chip select
To AK4526A clock
To AK4526A data input
To AK4526A data output
To AK4526A reset
Ground (Connected to ground)
External power regulator capacitor 0.1u is connected to this terminal.
To AK4526A Dfs
Not used (Connected to ground)
Not used (Connected to ground)
Digital power supply +5 V
Digital Ground (Connected to ground)
Not used (Connected to ground)
Not used (Connected to ground)
Analog power supply +5 V
Power supply +5 V
Ground (Connected to ground)
Ground (Connected to ground)
To TC9299 strobe
To TC9299 data
To TC9299 clock
Display master request (Connected to MCU U.MREQ)
Display data (Connected to MCU U.DATA)
— 51 —
Description