Sony SA-LZ9R, Service Manual

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SA-Z9R
28
• IC Pin Function Description
SK2 REAR MAIN BOARD IC8006 CXD3776ER-T9 (AUDIO CODEC)
Pin No. Pin Name I/O Description
1 SDIN1 I Audio data input from the RF modulator
2 SDIN2 I Audio data input terminal Not used
3 LRCKO I/O L/R sampling clock signal input/output terminal Not used
4 BCKO I/O Bit clock signal input/output terminal Not used
5, 6 SDOUT1, SDOUT2 O Audio data output terminal Not used
7 FS256O O 256fs clock signal output terminal Not used
8 XLDO_EN I LDO enable signal input terminal Fixed at “L” in this unit
9 MCKO O Master clock signal output terminal Not used
10 XTO O System clock output terminal Not used
11 XTI I System clock input terminal (49.152 MHz)
12 SCL I Serial clock signal input from the RF modulator
13 SDA I/O Two-way serial data bus with the RF modulator
14 XRESET I Reset signal input from the RF modulator “L”: reset
15 XINT O Interrupt signal output to the RF modulator
16 PWMOUT1PL O Digital audio signal (positive) output to the digital power ampli fi er
17 PWMOUT1NL O Digital audio signal (negative) output to the digital power ampli fi er
18 VDDPWM1 - Power supply terminal (+3.3V) (for digital)
19 GNDPWM1 - Ground terminal
20 PWMOUT1PR O Digital audio signal (R-ch positive) output terminal Not used
21 PWMOUT1NR O Digital audio signal (R-ch negative) output terminal Not used
22 PWMOUT2PL O Digital audio signal (L-ch positive) output terminal Not used
23 PWMOUT2NL O Digital audio signal (L-ch negative) output terminal Not used
24 VDDPWM2 - Power supply terminal (+3.3V) (for digital)
25 GNDPWM2 - Ground terminal
26 PWMOUT2PR O Digital audio signal (R-ch positive) output terminal Not used
27 PWMOUT2NR O Digital audio signal (R-ch negative) output terminal Not used
28 ADDSEL I I2C address select signal input terminal Fixed at “L” in this unit
29 TST_MODE I Test mode setting terminal Fixed at “L” in this unit
30 AVDD2R - Power supply terminal (+3.3V) (for analog)
31 AOUT2R O Analog audio signal (R-ch) output terminal Not used
32, 33 AGND2R, AGND2L - Ground terminal
34 AOUT2L O Analog audio signal (L-ch) output terminal Not used
35, 36 AVDD2L, AVDD1R - Power supply terminal (+3.3V) (for analog)
37 AOUT1R O Analog audio signal (R-ch) output terminal Not used
38, 39 AGND1R, AGND1L - Ground terminal
40 AOUT1L O Analog audio signal (L-ch) output terminal Not used
41 AVDD1L - Power supply terminal (+3.3V) (for analog)
42 VQ O Reference voltage output terminal
43 VCOM I Reference voltage fi lter input terminal
44 AINNL I Analog audio signal (L-ch negative) input terminal Not used
45 AINPL I Analog audio signal (L-ch positive) input terminal Not used
46 AGNDAD - Ground terminal
47 AVDDAD - Power supply terminal (+3.3V)
48 AINNR I Analog audio signal (R-ch negative) input terminal Not used
49 AINPR I Analog audio signal input from the rear speaker wired connection jack
50, 51
PSENSEIN,
TSENSEIN
I Sense signal input terminal
52 DGND - Ground terminal
53 VD_FILT O LDO fi lter connection terminal
54 DVDD - Power supply terminal (+3.3V)
55 LRCKI I L/R sampling clock signal input from the RF modulator
56 BCKI I Bit clock signal input from the RF modulator