Description Of Major Ics; A/D, D/A Converter - JVC RX-5030VBK Service Manual

RX-5030VBK
4.1 AK4527BVQP (IC601): A/D, D/A converter
• Pin layout
• Pin function
No. Symbol
1 SDOS
2 OSKS
3 MIS
4 BICK
5 LRCK
6 SDTI1
7 SDTI2
8 SDTI3
9 SDTO
10 D,AUX
11 DFS
12 DEMI
13 DEMO
14 MCKO
15 DVDD
16 DVSS
17 PD
18 XTS
1-12 (No.22025)
SECTION 4

Description of major ICs

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9
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I/O
I SDTO Source Select Pin (Note 1)
"L" : Internal ADC output, "H" : DAUX input
I Control Mode Select Pin
"L" : 3-wire Serial, "H" : I2C Bus
- Soft Mute Pin (Note 1) Connect to GND
When this pin goes to "H" soft mute cycle is initialized.
When returning to "L", the output mute releases.
I Audio Serial Data Clock Pin
I/O Input Channel Clock Pin
I DAC1 Audio Serial Data Input Pin
I DAC2 Audio Serial Data Input Pin
I DAC3 Audio Serial Data Input Pin
O Audio Serial Data Output Pin
- Sub Audio Serial Data Input Pin, Connect to GND
- Double Speed Sampling Mode Pin (Note 1)
"L" : Normal Speed, "H" : Double Speed
- Connect to GND
No internal bonding.
- Zero Input Detect Enable Pin, Connect to GND
"L" : mode 7 (disable) at parallel mode,
- zero detect mode is selectable by DZFM2-0 bits at serial mode.
- H : mode 0 (DZF is AND of all six channels)
- Output Buffer Power supply Pin, 2.7V~5.5V
I Digital Power Supply Pin, 4.5V~5.5V
- De-emphasis Pin, 0V
I Power-Down & Reset Pin
When "L", the AK4527B is powered-down and the control registers are reset to default state.
If the state of P/S or CAD0-1 changes, then the AK4527B must be reset by PDN.
- Test Pin, Connect to GND
This pin should be connected to DVSS.
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27
Top View
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Function