Sony STR-DB840 Service Manual page 50

• DIGITAL BOARD IC1201 MB90573PFV-G-296-BND (SYSTEM CONTROLLER)
Pin No. Pin Name
SCLK
1
2 SI
3 SO
4 CS
5 IC
6 DSIG
7 NC
8 VCC
9 SIN0
10 SOT0
11, 12 NC
13 XHDWR
14 XHDRD
SOD
15
16 XHDCS
HD7 to HD0
17 to 24
25 HA0
26 XRST
27 HRDY
28 CS
CCLK
29
CDTI
30
SMUTE
31
PD
32
33 VSS
34 C
35 96kHz
36, 37 NC
DVCC
38
DVSS
39
NC
40, 41
AVCC
42
AVR+
43
AVR–
44
AVSS
45
EVSTB
46
EVDATA
47
48 EVCLK
DISPMR
49
DISPDATA
50
51 SLVDTA/REQ
DISPCLK
52
NC
53
VCC
54
SLAT
55
50
I/O
O
Serial clock signal output to the dolby digital audio decoder (IC1301)
I
Serial data input from the dolby digital audio decoder (IC1301)
O
Serial data output to the dolby digital audio decoder (IC1301)
O
Chip select signal output to the dolby digital audio decoder (IC1301)
O Reset signal output to the dolby digital audio decoder (IC1301)
I
Data detect signal input from the digital audio interface receiver (IC1101)
O
Not used (fixed at "L")
— Power supply terminal (+5V)
I
UART signal input from the display controller (IC102)
O
UART signal output to the display controller (IC102)
O
Not used (fixed at "L")
O
Data write output to the audio DSP (IC1401)
O
Data read output terminal Not used (fixed at "L")
I
Serial data input from the audio DSP (IC1401)
O Chip select signal output to the audio DSP (IC1401)
O
Two-way data bus with the audio DSP (IC1401)
O
Address data output to the audio DSP (IC1401)
O Reset signal output to the audio DSP (IC1401)
O
Ready signal output to the audio DSP (IC1401)
O
Chip select signal output to the A/D, D/A converter (IC1503)
O
Clock signal output to the A/D, D/A converter (IC1503)
I
Data input from the A/D, D/A converter (IC1503)
O
Soft mute signal output to the A/D, D/A converter (IC1503)
O
Reset signal output to the A/D, D/A converter (IC1503)
— Ground terminal
—
External power regulator capacitor is connected terminal
O
Dfs signal output to the A/D, D/A converter (IC1503)
I Not used (fixed at "L")
—
Power supply terminal (+5V) (digital system)
—
Ground terminal (digital system)
O
Not used (fixed at "L")
—
Power supply terminal (+5V) (analog system)
—
Power supply terminal (+5V)
—
Ground terminal
—
Ground terminal (analog system)
O
Serial strobe output to the select switch circuit
O
Serial data output to the select switch circuit
O Serial clock output to the select switch circuit
I
Display master request signal input from the display controller (IC102)
I
Display master data input from the display controller (IC102)
O Slave data/request output to the display controller (IC102)
I
Display master clock input from the display controller (IC102)
I
Not used (fixed at "L")
—
Power supply terminal (+5V)
O
Tuner latch signal output to the FM/AM tuner unit (TM301)
Description