Pioneer VSX-D812-K, Service Manual

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VSX-D912-S
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1 2 3 4
1 2 3 4
C
D
F
A
B
E
No. Pin Name I/O Function
1 SDOS I SDTO Source Select Pin (Note 1)
"L" : Internal ADC output, "H" : DAUX input
SDOS pin should be set to "L" when TDM= "1".
2 I2C I Control Mode Select Pin
"L" : 3-wire Serial, "H" : I C Bus
2
3 SMUTE I Soft Mute Pin (Note 1)
When this pin goes to "H", soft mute cycle is initialized.
When returning to "L", the output mute releases.
4 BICK I Audio Serial Data Clock Pin
5 LRCK I Input Channel Clock Pin
6 SDTI1 I DAC1 Audio Serial Data Input Pin
7 SDTI2 I DAC2 Audio Serial Data Input Pin
8 SDTI3 I DAC3 Audio Serial Data Input Pin
9 SDTO O Audio Serial Data Output Pin
10 DAUX I AUX Audio Serial Data Input Pin
11 DFS I Double Speed Sampling Mode Pin (Note 1)
"L" : Normal Speed, "H" : Double Speed
12 SDTI4 I DAC4 Audio Serial Data Input Pin
13 DZFE I Zero Input Detect Enable Pin
"L" : mode 7 (disable) at parallel mode,
zero detect mode is selectable by DZFM3-0 bits at serial mode
"H" : mode 0 (DZF1 is AND of all eight channels)
14 TVDD -
Output Buffer Power Supply Pin, 2.7V~5.5V
15 DVDD -
Digital Power Supply Pin, 4.5V~5.5V
16 DVSS - Digital Ground Pin, 0V
17 PDN I Power-Down & Reset Pin
When "L", the AK4529 is powered-down and the control registers are reset to default
state. If the state of P/S or CAD0-1 changes, then the AK4529 must be reset by PDN.
18 TST I Test Pin
This pin should be connected to DVSS.
19 CAD1 I Chip Address 1 Pin
20 CAD0 I Chip Address 0 Pin
21 LOUT4 O DAC4 Lch Analog Output Pin
22 ROUT4 O DAC4 Rch Analog Output Pin
• Pin Function