Sony DVP-CX777ES Service Manual

102
DVP-CX777ES
7-44. IC PIN FUNCTION DESCRIPTION
• MB BOARD IC104 MB91307RPFV-G-BND-E1 (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1 to 5 HA17 to HA21 O
Address signal output terminal
6 (NOT_USED) O
Not used
7WPO
Write protect signal output to the EEPROM
8 XSACS O
Chip select signal output to the DSD decoder
9AVCC—
Power supply terminal (+3.3V)
10 AVRH —
Reference voltage input (+3.3V) terminal
11 AVSS —
Ground terminal
12 DISC_AD I
Disc detect sensor input terminal
13, 14
MOD_SET1,
MOD_SET2
I
Mode setting input terminal
15 IPSW I
Scan select switch input terminal
16 XAVDECINT I
Interrupt signal input from the AV decoder
17
XARPINT
I
Interrupt signal input from the DSP
18
XSDSPINT
I
Interrupt signal input from the DSP
19 XGAINT I
Interrupt signal input from the mechanism controller
20 XIFINT I
Interrupt signal input from the interface controller
21 XADSPINT0 I
Interrupt signal input from the audio DSP
22 XADSPINT1 I
Interrupt signal input terminal Not used
23 XSARDY I
Ready signal input from the DSD decoder
24 VCC —
Power supply terminal (+3.3V)
25 IFSI I
Serial data input from the interface controller
26 IFSO O
Serial data output to the interface controller
27 IFSC O
Serial clock signal output to the interface controller
28 SIN1 I
Serial data input from the audio DSP, digital audio processor and DSD decoder
29 SOUT1 O
Serial data output to the audio DSP, D/A converter, digital audio processor and DSD decoder
30 SCK1 O
Serial clock signal output to the audio DSP, D/A converter, digital audio processor and DSD
decoder
31 RX I
Serial data input terminal (for check)
32 TX O
Serial data output terminal (for check)
33 XDVD/SACD O
DVD/SACD selection signal output terminal Not used
34 VSS —
Ground terminal
35 XRSTO O
Reset signal output to the DSP, AV decoder, audio DSP, D/A converter, mechanism controller
and digital audio processor “L”: reset
36 WIDE O
Wide control signal output terminal
37 (RGBSEL) O
Not used
38 SDA I/O
Two-way data bus with EEPROM, I/P converter and D/A converter
39 SCL O
Serial clock signal output to the EEPROM, I/P converter and D/A converter
40 XSARST O
Reset signal output to the DSD decoder “L”: reset
41 (EUROY/V) O
Not used
42 (ISEL) O
Not used
43
MODE_SELECT0
I
Mode selection signal input terminal (Fixed at “H” in this set)
44, 45
MODE_SELECT1,
MODE_SELECT2
I
Mode selection signal input terminal (Fixed at “L” in this set)
46 AVDREQ0 I
Request signal input from the AV decoder
47 AVDDACK0 O Acknowledge signal output to the AV decoder
48 XDRVMUTE O
Drive muting signal output to the motor/coil driver

Sony DVP-CX777ES Specifications

General

Brand	Sony
Model	DVP-CX777ES
Category	DVD Player
Language	English